Thursday

April 24, 2014

April 24, 2014

Number of results: 13,863

**mathhhhhhhhhhhh**

Because of the prevailing winds, a tree grew so that it was leaning 6° from the vertical. At a point 100 feet away from the tree, the angle of elevation to the top of the tree is 22°55'
*Thursday, May 12, 2011 at 7:12pm by Anonymous*

**Trig**

From a certain distance from the base of a Giant Sequoia tree a surveyor determines that the angle of elevation to the top of the tree is 47deg. The surveyor then walks 100 feet away from the tree and determines that the angle of elevation to the top of the tree is now 37deg. ...
*Tuesday, April 16, 2013 at 5:06pm by Mary*

**Math**

Angela measured 2 trees in her front yard.Tree A is 5m. Tree B is 200 cm taller than tree A. How tall is tree B
*Thursday, April 25, 2013 at 5:01pm by Lexi*

**geometry**

a tree grew at a 3 degree slant from the vertical. at a point 60 feet from the tree, the angle of elevation to the top of the tree is 14 degrees. find the height of the tree to the nearest tenth of a foot.
*Tuesday, December 11, 2012 at 9:09pm by Shelby*

**math**

From 70 feet away from the base of a tree on level ground, the angle to the top of a tree is 60⁰. What is the height of the tree? What is the approximate distance from the vantage point to the top of the tree, to one decimal point? (Assume that the tree is perpendicular ...
*Wednesday, June 12, 2013 at 7:27pm by D*

**physics**

if im standing 28 meters from a tree....the tree is leaning 7 degrees vertically away from u...the degree of elevation is 26 degrees from feet to tree...whats the height of the tree?
*Sunday, December 6, 2009 at 10:58pm by josh*

**trig**

Because of prevailing winds, a tree grew so that it was leaning 4 degrees from the vertical. At a point, 35 meters from the tree, the angle of elevation to the top of the tree is 23 degrees. Find the height h of the tree
*Tuesday, June 10, 2008 at 2:36am by Keith*

**CST GEOMETRY**

a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest foot?
*Monday, March 25, 2013 at 1:23pm by carolina*

**Chemistry**

Is cutting a tree reversible? Several things come to mind, maybe not the same tree will grow back or not. Pls help. Thanks much. Cutting a large tree DOWN, as in severing the trunk, surely is not reversible. We can't cut the tree down, then glue it back on. We can cut the tree...
*Wednesday, February 14, 2007 at 9:22pm by Nathan*

**Math Help**

Mieko, who is 1.53 m tall, wishes to find the height of a tree. She walks 21.66 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. She is now 6.42 m from the ...
*Wednesday, September 15, 2010 at 4:41pm by Jill*

**geometry**

can someone please show me the answer for this problem ? a tree is situated on level ground from a point 135 feet from the base of the tree the measure of the angle of elevation from the ground to the top of the tree is 43 degrees which is the height of the tree to the nearest...
*Monday, March 25, 2013 at 1:39pm by ,,,,,*

**Geometry**

A surveyor measuring the tallest tree in a park is 100ft from the tree. His angle-measuring device is 5 ft above the ground. The angle of elevation to the top of the tree is 48°. How tall is the tree?
*Friday, September 20, 2013 at 9:55pm by George*

**statistics**

A professional basketball player has embarked on a program to study his ability to shoot foul shots. On each day in which a game is not scheduled, he intends to shoot 100 foul shots. He maintains records over a period of 40 days of practice, with the results below. Foul Shots ...
*Saturday, October 3, 2009 at 10:53am by MBAhopeful*

**Math**

The kingston parks and recreation dept. is planning a new that will be 100 yards long and 85 yards wide. The dept. recommended that the trees be planted along the perimeter of the park at equal distances from each other and as far apart as possible. How far apart can the trees...
*Monday, December 4, 2006 at 12:15am by Donna*

**geometrY**

See the last picture at the bottom of this web page (for a pic of this exact problem). Using ratios, Tree height = T 15/66 = 6.33/T 15T = 512.73 T = 34.182 T = 34.182 when getting this answer from my question: to estimate the height of a tree, Dave stands in the shadow of the ...
*Monday, February 28, 2011 at 12:39am by shannon*

**Math**

Helen stands 66 m away from the base of the tree. If the line of sight makes an angle of 30 with the top of the tree with respect to the horizon. What is the height (h) of the tree?
*Tuesday, March 15, 2011 at 1:08pm by Valentine*

**maths --plse help me..**

THERE IS A SMALL ISLAND IN THE MIDDLE OF A 100M WIDE RIVER AND A TALL TREE STANDS ON THE ISLAND.pAND q RE POINTS DIRECTLY OPPOSITE EACH OTHER ON THE TWO BANKS AND IN LINE WITH THE TREE.IF THE ANGLE OF ELEVATION OF THE TOP OF THE TREE FROM p AND q ARE 30 DEGREES AND 45 DEGREES....
*Monday, December 17, 2012 at 6:57am by Anamika*

**HELP! URGENT! (geometry)**

Helen stands 66 m away from the base of the tree. If the line of sight makes an angle of 30 with the top of the tree with respect to the horizon. What is the height (h) of the tree?
*Tuesday, March 15, 2011 at 1:19pm by Valentine*

**mechanics - physics**

A bullet of mass 3.0g moving at 500m/s hits a tree and pierced 20cm into the trunk of the tree.what is the resistimg force offered by the tree?
*Saturday, January 5, 2013 at 5:47am by precious*

**trig Elev. & Depress part ii**

You are 55ft from a tree. The angle of elevation from your eyes, which are 4.5 ft off the ground,to the top of the tree is 61 degrees. To the nearest foot, how tall is the tree?
*Monday, February 4, 2013 at 4:09pm by Vannah*

**maths**

A tree stands vertically on a hill side which makes an angle of 15 degree with the horizontal. From a point on the ground 35 meter down the hill from the base of the tree, the angle of elevation of the top of the tree is 60 degree. find the height of the tree.
*Sunday, September 16, 2012 at 12:44am by Geeta negi*

**Math**

An 8 meters bamboo pole is leaning against a coconut tree. The foot of the pole is 3 meters from the base of the tree. What angle does the pole make with the tree if the pole reaches up to the top of the tree? HELP PLEASE!
*Monday, October 15, 2012 at 10:35pm by Katy *

**geometrY**

to estimate the height of a tree, Dave stands in the shadow of the tree so that his shadow and the tree's shadow end at the same point. Dave is 6 feet 4 inches tall and his shadow is 15 feet long. If he is standing 66 feet away from the tree, what is the height of this tree?
*Sunday, February 27, 2011 at 8:00pm by shannon*

**physics**

A hunter with a gun of maximum range 200 meters tries to shoot a leopard sitting in a tree. The tree is at a distance of 100 m from the hunter and the leopard is sitting at a height of 2 m from the ground. In order to be able to hit the leopard
*Friday, January 10, 2014 at 11:03pm by afrasiab*

**Biology**

The genetic code for an oak tree is (A) More similar to an ash tree than to a squirrel (B) more similar to a chipmunk than to a maple tree (C) more similar to a mosquito than to an elm tree
*Tuesday, May 18, 2010 at 7:55pm by Jawn*

**geometry**

Suppose the angle of elevation to the top of a tree is 47 degrees. If you are standing 28 feet from the tree, how tall is the tree? Type your numerical answer only in the answer box. Round your answer to the nearest tenth! The tree is _____ feet tall.
*Wednesday, January 5, 2011 at 11:31am by SASA*

**math**

A woman 5ft 6in tall stands so that the tip of her shadow coincides with the tip of the shadow of a tall tree. The woman stands 18 ft from the tip of her shadow and 100 ft from the base of the tree. How tall is the tree?
*Friday, March 1, 2013 at 9:16am by Tiffany*

**math**

A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a 45-degree angle with the flat ground. The base of the tree is 9 feet away from the base of the ladder. With only this information, how can you ...
*Friday, April 19, 2013 at 11:38pm by Tom*

**math**

A child’s kite is on top of a straight pine tree. A ladder is placed against the tree and touches the kite. The ladder forms a 45-degree angle with the flat ground. The base of the tree is 9 feet away from the base of the ladder. With only this information, how can you ...
*Tuesday, April 23, 2013 at 11:38pm by Anonymous*

**physics**

Toby the cat is stuck in a tree. Billys dad placed a ladder 5 ft from the base of the tree and then leaned the ladder against the tree. the top of the ladder is where toby is sitting. if the ladder makes a 65 degree angle with the ground, how far up the tree is the cat?
*Friday, July 2, 2010 at 11:11am by Tiffany*

**math**

toby the cat is stuck in a tree. billys dad placed a ladder 5 feet from the base of the tree and then leaned the ladder against the tree. the top of the ladder is where toby is sitting. if the ladder makes a 65 degree angle with the ground, how far up the tree is the cat?
*Friday, July 2, 2010 at 2:03pm by Teri*

**geometry**

A tree is growing at an angle out of the ground, 15°17' from vertical. Standing 10 ft away from the base, the angle to the top of the tree is 25°17'. What is the height of the tree?
*Friday, February 17, 2012 at 3:12pm by tori*

**Trig**

A tree is growing at an angle out of the ground, 15°17' from vertical. Standing 10 feet away from the base, the angle to the top of the tree is 25°17'. What is the length of the tree?
*Friday, May 20, 2011 at 10:51am by Anonymous*

**Pre-Calculus**

From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do you find the height of the tree to the nearest foot?
*Wednesday, October 5, 2011 at 8:43pm by Joy*

**math**

At a point on the ground 80ft from the base of a tree,the distance to the top of the tree is 11ft more than 2 times the height of the tree. find the height.
*Wednesday, June 12, 2013 at 2:34pm by grace*

**geometry**

a tree cast a shadow 25 feet long. the angle of elevation from the far end of the shadow to the top of the tree is 64 degrees,find the heighth of the tree
*Thursday, February 16, 2012 at 5:11am by tori*

**math**

A tree casts a shadow that is 20 feet long. The angle of elevation from the end of the shadow to the top of tree is 66 degrees. Determine the height of the tree, to the nearest foot.
*Sunday, October 17, 2010 at 3:07pm by marie rose*

**math**

A tree casts a shadow that is 20 feet long. The angle of elevation from the end of the shadow to the top of tree is 66 degrees. Determine the height of the tree, to the nearest foot.
*Sunday, October 17, 2010 at 3:48pm by marie rose*

**math**

A student notices that the shadows of a sign and a tree lie along the same line and end at the same point. The height of the sign is 3 feet. The length of the tree's shadow is 20 feet. The distance from the base of the sign to the vase of the tree is 16 feet. How tall is the ...
*Friday, June 1, 2012 at 12:30pm by Jessica*

**10th grade**

a tree casts a shadow that is 20 feet long. the angle of elevation from the end of the shadow to the top of the tree is 66 degrees. Determine the height of the tree to the nearest foot.
*Sunday, October 17, 2010 at 2:56pm by marie*

**math**

Lighting hit a tree three-eighths of the distance up the trunk from the ground and broke the tree so that its top landed 40 feet from the base of the trunk. How tall was the originally tree?
*Monday, May 30, 2011 at 8:27pm by Katherine*

**Math**

A man looks up at the top of a tree. The angle of elevation is 42 degrees. If the tree is 20 feet tall, which of the following best represents the distance from the base of the tree where the man is standing?
*Friday, April 18, 2014 at 3:00pm by Judi*

**ELA**

Is it possible if you can shorten the text: Perindnes Tree, its sweet fruit throughout the tree is remarkably pleasing; a dove’s delight living in the tree. Living in India with rich and vibrant colors exotic, expressive, and aromatic; what could the doves possibly live in ...
*Saturday, December 1, 2012 at 5:03pm by S*

**Geometry**

A dead tree was struck by lightning, causing it to fall over at a point 10 ft up from the base of the tree. If the fall treetop forms a 40 angle with the ground, about how tall was the tree originally?
*Tuesday, May 15, 2012 at 7:01pm by Rachel*

**trig.**

a person standing 100ft. from the base of the tree looks up to the top of the tree with an angle of elevation of 52. assuming that the persons eyes are 5ft above ground the ground how tall is the tree?
*Wednesday, November 27, 2013 at 4:31pm by maria *

**Math URGENT!**

the roots of a tree are 1/8 of the tree. they are 0.87 m. how tall is the tree? my answer: 0.87 x 7 = 6.09 m please check if my answer is right thanks :)
*Wednesday, November 14, 2012 at 8:24pm by Winnie*

**trig**

A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 800 centimeters tall?
*Thursday, June 28, 2012 at 8:10am by mia*

**trig**

A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 200 centimeters tall.
*Thursday, November 15, 2012 at 10:03pm by Ping*

**math**

a large elm tree died after it was struck by lightning.the property owner thinks he can remove it himself,but is concerned that it will fall on his greenhouse.he takes several measurement before attempting to cut it down.at 3 p.m. he measures the shadow of the tree and finds ...
*Thursday, November 15, 2012 at 11:42pm by nadia*

**Algebra**

Your kids have asked you to set up a cable fromtheir tree house to the ground so that they can slide down quickly when it’s time to head in for lunch. The tree house is 12 feet from the ground. You determine that in order to get a gentle enough slope from the tree house to the...
*Sunday, March 18, 2012 at 2:22am by kim*

**calculus**

A hunter at a distance dx from a coconut tree points the nuzzle of his gun directly at a monkey sitting on the tree at a height dy. The monkey sees the hunters and drops vertically from the tree at the very instant of firing. Will it be hit by the bullet?
*Wednesday, February 15, 2012 at 3:57am by elise*

**math**

A tree, in danger of falling , stands 65 feet from the house. The angle of elevation from the bottom of the house to the top of the tree is 50 degrees. If the tree should fall directly towards the house, will it the house? show all work and explain your answer. tan50/1=x/65 x=...
*Monday, March 3, 2014 at 4:06pm by B8*

**Physics**

After a tornado, a 0.55g straw was found embedded 2.3cm into the trunk of a tree. if the average force excerted on the straw by the tree was 65N, what was the speed of the straw when it hit the tree?
*Monday, March 15, 2010 at 5:39pm by Stevie*

**physics**

A hunter at a distance dx from a coconut tree points the nuzzle of his gun directly at a monkey sitting on the tree at a height dy. The monkey sees the hunters and drops vertically from the tree at the very instant of firing. Will it be hit by the bullet? Explain.
*Tuesday, February 7, 2012 at 2:12am by erwin*

**algebra**

The yearly production of a 6 foot orange tree is 40 pounds of oranges. A 16 foot tree produces 65 pounds.? Let H represent the height of an orange tree and p the number of pounds of oranges produced. a). List the ordered pairs. (H.P) What is the ordered pair for the first tree...
*Tuesday, March 27, 2012 at 5:50pm by Brittani*

**physics**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree at an angle of 33° above the horizontal. One child, with a mass of 51 kg, is 1.4 m along the branch from the tree trunk. The other child, with a mass of 26 kg, is 2....
*Sunday, November 3, 2013 at 12:41am by haya*

**physics**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree at an angle of 26° above the horizontal. One child, with a mass of 38 kg, is 1.1 m along the branch from the tree trunk. The other child, with a mass of 34 kg, is 2....
*Saturday, November 9, 2013 at 5:40am by n_sdn*

**physics**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree at an angle of 26° above the horizontal. One child, with a mass of 38 kg, is 1.1 m along the branch from the tree trunk. The other child, with a mass of 34 kg, is 2....
*Saturday, November 9, 2013 at 5:47am by n_sdn*

**physics**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree at an angle of 23° above the horizontal. One child, with a mass of 59 kg, is 1.8 m along the branch from the tree trunk. The other child, with a mass of 49 kg, is 2....
*Saturday, November 9, 2013 at 1:26pm by jokilljhi*

**physics**

A man (mass = 78.6 kg) is jogging through the woods and runs straight into a large oak tree at 6.1 m/s. Rebound speed is measured at 5.2 m/s in the opposite direction. If the time of contact with the tree is 0.041s, what is the magnitude of the force that the tree exerts on ...
*Sunday, April 8, 2012 at 2:27pm by Miriam*

**physics**

The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with an acceleration of -5.60 m/s2 for 4.20 s, making skid marks 62.4 m long that end at the tree. With what speed does the truck then strike the tree?
*Thursday, September 13, 2012 at 11:12pm by starr*

**math**

an oak tree grows 500 meters north of the bottom of a rectangular park. The oak tree takes up a space of a circular area with a radius of 2.5 meters .The center of the tree is 24 meters from the left side of the park .The park is 200 meters wide and has a length of 1300 meters...
*Monday, April 8, 2013 at 5:17pm by aspasia*

**Math **

At a certain time of day, a tree that is Xft tall cast a shadow that is X-35 meters long if the distance from the top of the tree to the end of the shadow is X+5 meters, what is the height, X, of the tree?
*Tuesday, February 26, 2013 at 5:05pm by Alex *

**physics**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an angle of 27.1° above the horizontal. One child, with a mass of 42.4 kg, is hanging 1.22 m along the branch from the tree trunk. The other child, with a ...
*Tuesday, November 23, 2010 at 11:39am by michelle*

**Math**

Two dogs are 180 ft apart on opposite sides of a tree. The angles of elevation from the dogs to the top of the tree are 35 degrees and 23 degrees. What is the height of the tree?
*Wednesday, July 30, 2008 at 6:24am by May*

**Math**

A 5.0 m tree is leaning 5° from the vertical. To prevent it from leaning any farther, a stake needs to be fastened 2 m from the top of the tree at an angle of 60°with the ground. How far from the base of the tree, to the nearest metre, must the stake be?
*Sunday, January 20, 2013 at 6:36pm by Rutba*

**Physics**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an angle of 27.3° above the horizontal. One child, with a mass of 40.8 kg, is hanging 1.24 m along the branch from the tree trunk. The other child, with a ...
*Wednesday, November 16, 2011 at 6:40pm by Kelsey*

**Physics**

The driver of a truck slams on the brakes when he sees a tree blocking the road. The truck slows down uniformly with acceleration −5.15 m/s2 for 4.20 s, making skid marks 62.1 m long that end at the tree. With what speed does the truck then strike the tree?
*Tuesday, February 7, 2012 at 6:52pm by tim*

**9th grade integrated algebra**

a tree casts a 25 foot shadow on a sunny day if the angle of elevation from the tip of the shadow to the top of the tree 32 degrees, what is the height of the tree to the nearest thenth of a foot?
*Sunday, May 22, 2011 at 6:17pm by michaela*

**physics (clear answer)**

Two children hang by their hands from the same tree branch. The branch is straight, and grows out from the tree trunk at an angle of 26.1° above the horizontal. One child, with a mass of 43.6 kg, is hanging 1.31 m along the branch from the tree trunk. The other child, with a ...
*Thursday, April 3, 2014 at 6:21pm by jason*

**Language Arts**

I think that I shall never see A poem lovely as a tree. A tree whose hungry mouth is prest Against the earth’s sweet flowing breast; A tree that looks at God all day, And lifts her leafy arms to pray; A tree that may in summer wear A nest of robins in her hair; Upon whose ...
*Saturday, January 23, 2010 at 2:21pm by Anonymous*

**math**

The value of x in the factor tree is a)30, b)150, c)100, d)50
*Tuesday, February 28, 2012 at 12:44am by Anonymous*

**physics**

Maria throws an apple vertically upward from a height of 1.2 m with an initial velocity of +2.7 m/s. Will the apple reach a friend in a tree house 4.8 m above the ground? the tree house 2. No, the apple will reach 1.40733 m below the tree house 3. No, the apple will reach 3....
*Friday, November 12, 2010 at 8:11pm by helpless*

**pre alg**

jane is standing next to a tree. the tree casts a shadow that is 11.2 ft long. she is 5.6 ft tall and her shadow measures 3.8 ft. How tall is the tree?
*Thursday, May 9, 2013 at 10:42pm by john*

**physics**

While taking a rest on a tree branch, a daring cowboy sees a wild horse running towards the tree he was on. he wants to land on the horses back when it passes under the tree. if the horse is running at a constant velocity of about 2 m/s and the vertical distance between the ...
*Sunday, September 22, 2013 at 5:38pm by JT*

**math**

A tree is struck by lightning. The top part breaks and falls to the ground. The part of the tree still standing is 30 feet tall and the top part that hit the ground is 40 feet from the base of the tree. How tall was the tree originally?
*Thursday, January 10, 2013 at 8:37pm by Jess*

**math**

I have 2 tree's the young tree is 5 meter's high and has a shadow of 2.0 meter's. the older tree has a shadow of 3.5 meter's How tall is the older tree.
*Sunday, June 20, 2010 at 9:47am by John*

**geometry**

Pine Tree In order to estimate the height h of a tall pine tree, a student places a mirror on the ground and stands where she can see the top of the tree, as shown. The student is 6 feet tall and stands 3 feet from the mirror which is 11 feet from the base of the tree. What is...
*Tuesday, January 17, 2012 at 10:35pm by Anonymous*

**math**

tree casts a shadow 32 feet on the ground. If the distance from the end of the shadow to the top of the tree is 40 feet, how tall is the tree?
*Monday, November 8, 2010 at 12:19pm by mitch*

**trig**

A slide is attached to the side of a tree house. The height of the tree house is 6 less than double the distance from the baswe of the tree to the base of the slide. The length of the slide is 3 more than the height of the tree house. Find the length of the slide.
*Sunday, May 5, 2013 at 9:00pm by Kendra*

**Math**

A maple tree casts a shadow of 45 ft long. At the same time, a 40-ft-long oak tree casts a shadow which is 60 ft long. Explain how you can use similar triangles to find the height of the tree. Then find the height of the tree.
*Thursday, May 23, 2013 at 10:28pm by Ashley*

**Calculus**

A tree grows 2.80 m during the first year since it was planted. During each subsequent year the tree's growth is 85% of its growth the previous year. a) Calculate to the nearest 0.001m, the growth of the tree in the fourth year. Tn = ar^n-1 T4 = 2.80(0.85)^10-1 T4 = 2450 I ...
*Wednesday, September 21, 2011 at 8:12pm by Anonymous*

**Math**

David the monkey is looking down at a 33° angle from the top of a tree. There are bananas on the ground 42.7 ft from the base of the tree. If David flies down from the tree in a diagonal path, as shown in the diagram, what distance would he travel? Round to the nearest tenth.
*Monday, July 16, 2012 at 4:01pm by shailene*

**Physics 12**

Oh goodness, another review question. "The 2.0kg head of an axe strikes a tree horizontally at 40 m/s. The blade penetrates 0.040 m into the tree. What is the average force exerted by the blade on this tree? Is this just net force? Why do they give you the distance the axe ...
*Wednesday, October 29, 2008 at 12:32am by solexgirl12*

**Math Help Please**

The concentric circles, or growth rings, represent the cross-section of a tree with a diameter of 16 centimeters. The width of the outer tree ring measures 2 centimeters. What is the area in square centimeters of the outer ring of the cross-section of the tree? Use 3.14 for p....
*Thursday, February 22, 2007 at 7:46pm by Andrew*

**math**

it costs kerry $400 to build a tree house. he sells the tree house to nannette and makes a 48% profit. how much does nannette pay for the tree house? i multiply 400x48% and i got $192, am i right
*Wednesday, February 6, 2013 at 4:17pm by rod*

**Physics**

A physics teacher (mass = 84.5 kg) is jogging through the woods and runs straight into a large oak tree at 3.5 m/s. Rebound speed is measured at 2.3 m/s in the opposite direction. If the time of contact with the tree is 45 milliseconds, what is the magnitude of the force that ...
*Monday, March 18, 2013 at 5:47pm by Will*

**English**

There is a gold tree on the island. 1. I want to go to the island to get the gold tree. 2. I want to go to the island to obtain the gold tree. 3. I want to go to the island to have the gold tree. (Which one is right? Which verb do we have to use? Are all acceptable?)
*Tuesday, April 13, 2010 at 3:42am by rfvv*

**Math - Trig**

From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a. How tall is the tree...
*Saturday, December 14, 2013 at 7:36pm by McKenna Louise*

**mathemathics**

an observer and a tree are standing against a slope. the observer is 80m from the tree.the angle between the slope, from the feet of the observer,and thetop of the tree is 14 degree.the slope makes an angle of 9 degree with the horizontal. solve the triangle formed by the feet...
*Tuesday, July 13, 2010 at 10:37am by stanley*

**Trigonometry**

From the foot of a building I have to look upwards at an angle of 22degrees to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50degrees to look at the top of the tree. a. How tall is the tree...
*Sunday, December 15, 2013 at 6:56am by Marie Ashley*

**Math30-1**

Your search for a researcher has determined that an equation that models the height of a particular species of tree is y=20.2log(x), where y is height in metres and x is time in years. Predict the height of the tree after 30years and predict how old the tree will be when it is...
*Friday, June 7, 2013 at 5:32pm by dano*

**Angle of elevation**

John stands at 12 feet from the foot of a tree. The angle of elevation to the top of the tree is 60°. What is the height of the tree?
*Wednesday, February 5, 2014 at 6:16am by kris*

**Math - Trig**

From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall is the tree? b. How far...
*Thursday, December 12, 2013 at 3:20am by Shelley Nicole*

**math**

From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall is the tree? b. How far...
*Tuesday, February 11, 2014 at 7:24pm by mackenzie*

**Chemistry**

The high acid rain which falls in the Northeast frees aluminum ions from the soils. The tree absorbs the aluminium ion. The sap is basic so the aluminium ion becomes aluminum hydroxide. Aluminium hydroxide is a large bulky molecule that plugs the water/nutrient transport ...
*Thursday, November 8, 2012 at 10:29am by I need Help*

**statistics**

A study of peach trees found that the average number of peaches per tree was 625. The standard deviation of the population is 140 peaches per tree. Ascientist wishes to find 80% confidence interval for the mean number of peaches per tree. How many trees does she need to sample...
*Tuesday, June 18, 2013 at 8:04pm by betsy*

**physics**

a 2.1 gram bullet is shot into a tree stump. Just before it hits the stump the bullet is moving at 280 m/s. The bullet penetrates into the tree and comes to a rest after having gone 5.1 cm into the tree a.What was the initial kinetic energy of the bullet b.What is the final ...
*Sunday, January 10, 2010 at 5:41pm by kathy*

**math**

A pine tree casts a 12-meter shadow on level ground. The angle of elevation from the tip of the shadow to the top of the tree is 50 degrees. To the nearest tenth of a meter, what is the height of the pine tree? Explain
*Tuesday, April 21, 2009 at 9:00pm by Helen*

**math**

A pine tree casts a 12-meter shadow on level ground. The angle of elevation from the tip of the shadow to the top of the tree is 50 degrees. To the nearest tenth of a meter, what is the height of the pine tree? Explain
*Tuesday, April 21, 2009 at 10:31pm by Helen*

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