Wednesday

December 7, 2016
Number of results: 18,519

**Physics**

after an ice show, Michelle helps clear the props from the ice. Standing in her skates next to a potted artifical tree, she gives it a push. The tree, which has a mass of 6500g, slides forward at a velocity of 13m/s. Michelle, with a mass of 40.0kg, slides in the opposite ...

*April 29, 2012 by Sarah*

**Trigonometry**

While camping by the Merced River in Yosemite Valley, a group of friends were admiring a particular tree on the opposite bank. Maria claimed that the height of the tree could be determined from the group’s side of the river by the following method: • Measure a 50 meter ...

*July 6, 2013 by Loki*

**precalculus (check answer)**

A tree casts a 35 meter long shadow at a time when the sun is 41° above the horizon. How tall is the tree? Would the answer be 53 meters?

*November 5, 2015 by peyton*

**math**

if a tree in a 1/2 inch scale drawing is 11 inches tall, how tall is the actual tree?

*December 15, 2012 by Alex*

**Math**

If a 12ft tree casts a 17ft shadow, what tree height will cast a 28 ft shadow?

*April 28, 2013 by Ariel*

**algebra**

There are (35)2 ⋅ 30 leaves on a tree. What is the total number of leaves on the tree? 33 37 310 325

*October 7, 2015 by CHRISTIAN*

**algebra**

There are (3^5)^2 ⋅ 3^0 leaves on a tree. What is the total number of leaves on the tree? 33 37 310 325

*October 7, 2015 by gaby*

**math**

Find the height of the tree 27feet and 14feet what is the height of the tree to the nearest tenth

*March 8, 2016 by betty*

**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....

*February 22, 2007 by Andrew*

**math help please!!!**

In this question how do you know when to add or subtract?? Simplify 100^12/100^8 A.100^12/8 B.100^96 C.100^4 D.100^20 Is the answer C or D?? Thank you

*May 19, 2015 by penny*

**Math11**

bernhardt and julia are observing an eagals nest in a tree. Julia is 75 m from the tree, and sees it an angle of elevation of 42 degrees. A) How high up the tree is the nest? B) bernhardt is standing 30 m behind Julia. At what angle of elevation does he see the nest?

*October 20, 2014 by Priya*

**physics **

A soccer ball accelerates from rest and rolls 6.5 meters down a hill in 3.1 seconds. It then bumps a tree. What is the speed of the ball right before it hits a tree?

*October 8, 2015 by ashley*

**math**

(a). For any connected graph G, all internal nodes of the BFS tree on G have the same number of children. (b). For any connected graph G, the DFS tree on G and the BFS tree on G have the same number of edges.

*March 14, 2011 by aj*

**physical sciences**

john wants to get his friend, peter, to a height of 2.8 m above the ground to reach an apple in a tree. they connect a swing to a high branch in an adjacent tree. the bottom of the swing, X, is at a height of 1.2 m. peter has s mass of 45 kg. ignore the effects of any ...

*March 1, 2016 by xolani rudolph ngovene*

**geometry**

A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground to the nearest degree.

*February 2, 2012 by meghan*

**math**

A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.

*April 23, 2012 by Sally*

**Math**

A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.

*December 11, 2012 by Junior*

**math**

From a lookout tower 80 ft. high, a man observes from a position 6.5 ft. below the top of the tower that the angle of elevation of the top of a certain tree is 12 degrees 40 minutes and the angle of depression of its base is 72 degrees 20 minutes. If the base of the tower and ...

*August 1, 2012 by Sasuke*

**PHYSICS**

Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. The sides of the trunks that face each other are separated by 1.2 m. A frisky squirrel makes three jumps in rapid succession. First, he leaps from the foot ...

*September 15, 2010 by veronica*

**Physics**

Two trees have perfectly straight trunks and are both growing perpendicular to the flat horizontal ground beneath them. The sides of the trunks that face each other are separated by 1 m. A frisky squirrel makes three jumps in rapid succession. First, he leaps from the foot of ...

*September 18, 2012 by Anonymous*

**math**

Pete is standing 2 feet away from a mirror on the ground. Pete is 5 feet tall and can just see the top of the tree in the mirror from where he is standing. The two triangles formed in the picture above are similar. If the mirror is 12 feet away from the base of the tree, how ...

*February 19, 2015 by kimberlyyanez*

**Functions**

Suppose w=j(h) is the average daily quantity of water (in litres) required by an oak tree of height h metres. If Wa is the quantity of water required by a tree of average height, write an expression for the height of a tree 10 m higher than the average. Show step by step ...

*May 13, 2015 by Rob*

**Physics**

Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:12, immediately turns, and runs to the tree. Larry arrives at the tree at 2:28. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost is ...

*September 29, 2012 by Sarah*

**Math**

Please help. Julio uses a scale of 1/ 8 inch 1 foot when he paints landscapes. In one painting, a giant sequoia tree is 34.375 inches tall. How tall is the real tree?

*February 6, 2016 by Sal*

**Physics**

A photographer uses a camera lens with focal length of 50.0 mm to photograph a tree that is 4.60 m tall. She wishes to fill her 24.0-mm slide with the tree. a) how far from the lens should the film be? b) what is the magnification of the image?

*December 2, 2016 by Lisab*

**Physics**

To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. When the water turns to ice during the night, heat is released into the plants, thereby giving them a ...

*December 11, 2012 by Anonymous*

**Statistics**

The table I have is: Color of Candy Frequency Proportion (as a fraction and decimal) Percentage Red 13 13/100 or .13 13% Orange 25 25/100 or .25 25% Yellow 8 8/100 or .08 8% Brown 8 8/100 or .08 8% Blue 27 27/100 or .27 27% Green 19 19/100 or .19 19% TOTALS 100 100/100 or 1 ...

*July 13, 2015 by Destiny Park*

**Maths **

5. You have inherited an orange grove. The more orange trees there are in the grove, the fewer oranges each tree produces. When there are 30 trees, each tree produces 84 kg of oranges. When there are 90 trees, each tree produces 74 kg of oranges. Assume that the amount of ...

*May 15, 2014 by Hanna*

**science**

In a cd player, where is the potential energy stored? Where does does it change form? Where is the kinetic energy released? Also What happens to the mass in the leaves of a tree when the tree burns?? PLEASE ANSWER ALL OF THE QUESTIONS!!

*May 10, 2009 by Caro*

**trig**

A tree casts a shadow 203 feet long. Find the number of feet in the height of the tree knowing that the angle of elevation of the sun is 16 degrees. Give your answer to the nearest integer. a. 57 b. 56 c. 61 d. 58 e. 55

*December 13, 2011 by James B*

**physics**

A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 15.0 m/s, and the man is initially 2.45 m above the level of the saddle.

*September 23, 2012 by Anonymous*

**Math**

Can you show or explain how to do this? Julio uses a scale of 1/8 inch= 1 foot when he paints landscapes. In one painting, a giant sequoia tree is 34.375 inches tall. How tall is the real tree?

*February 6, 2016 by Lenny*

**PHYSICS**

A MONKEY CLIMBED TO THE TOP OF A TREE. THE TREE IS 40 METERS HIGH AND THE MONKEY WEIGHS 6 KG. HOW MUCH POTENTIAL ENERGY DOES THE MONKEY HAVE?

*April 3, 2012 by GHG*

**Math**

There are 28 pears on 4 trees. There are the same number of pears on each tree. How many pears on each tree? If Jomel picks 10 pears, how many pears will be left on the trees? My answers: 7 pears on each tree. 18 pears will be left on the trees. Is this correct?

*November 1, 2011 by Myra*

**Algebra**

A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree?

*December 14, 2013 by Angel*

**DPS**

the height of a particular tree is increasing at the rate of 10cm per month. What would be height of the tree after 5 years if its present height is 10m?

*May 10, 2016 by harsh*

**math**

word problem: Q1.there were 60 birds at three treesin some moment 6 birds flew away from the first tree,8 birds flew away from the second tree, and 4 birds flew away from the third tre. then there were same number of birds at each of the three trees. How many birds were there ...

*April 6, 2009 by Rosalia*

**grammar**

Are my sentences of appositive and appositive phrases correct? we planted a small tree, brought by my father, in the park and called it a "family tree." The reunion site, in the empty room, took us hours to clean up.

*February 23, 2011 by sgf*

**black river **

Mathematics How high is the tree if I had 5m 4m how high is the tree

*August 1, 2015 by lia*

**geometry**

Jenny is building a rectangular garden around a tree in her yard. The southwest corner of the garden will be 2 feet south and 3 feet west of the tree. The northeast corner of the garden will be 1 foot north and 4 feet east of the tree. If jenny paves a path around the garden ...

*September 14, 2015 by katy*

**College Level Calculus**

Each orange tree grown in California produces 720 oranges per year if not more than 20 trees are planted per acre. For each additional tree planted per acre, the yield per tree decreases by 15 oranges. How many trees per acre should be planted to obtain the greatest number of ...

*November 12, 2013 by Timofey*

**math**

The Python snake climbed 10 feet up a 12 foot tree and the boa constrictor snake climbed 16 feet up an 18 foot tree. Write the fraction of the tree each snake climbed. Simplify the fractions and compare the distances. my answer: 10/12 = 5/6 for python 16/18 = 8/9 boa

*September 7, 2011 by Lindsey*

**arithmetic**

USING PRIME FRACTORIZATION WHAT IS THE GCF FOR 45,100 USING A FACTOR TREE AND COMMON PRIME FACTORS

*November 10, 2009 by Anonymous*

**Math**

A support wire to the top of a newly planted tree is 15 m long. It forms an angle of 30 degrees to the ground. On the same side of the tree, a second wire is also attached to the top of the tree, but it makes an angle of 45 degrees to the ground. Determine an exact expression ...

*December 5, 2016 by Peter*

**trig**

A tree growing on a hillside casts a 121-foot shadow straight down the hill. Find the height of the tree (in feet) if the slope of the hill is 8 degrees and the angle of elevation of the sun from the horizontal is 50degrees.

*November 5, 2012 by joey *

**Maths**

The top of a building 24cm high is observed from the top and from the bottom of a vertical tree. The angles of elevation are found to be 45degree and 60degree respectively . Find the height of the tree. ( leave your answer in surd form)

*January 1, 2016 by Faith*

**English**

1. He painted the emperor a gold tree. 2. He painted a gold tree for the emperor. 3. He painted a gold tree to the emperor. (Are they all grammatical? Which preposition do we have to use?) 4. Ma Liang kept painting. (Ma Liang is a person's name. What is the part of speech of '...

*March 24, 2010 by rfvv*

**Math**

An apple farm yields an average of 39 bushels of apples per tree when 21 trees are planted on an acre of ground. Each time 1 more tree is planted per acre, the yield decreases by 1 bushel (bu) per tree as a result of crowding. How many trees should be planted on ...

*October 8, 2016 by saul*

**geometry**

A 12-foot guy wire is to be attached to a tree at a 30 degree angle to the ground. At what height on the tree should the guy wire be attached? How far from the tree should the wire be attached to the ground?

*May 8, 2012 by Piggy*

**math**

Each of two observers 475 feet apart measures the angle of elevation to the top of a tree that sits on the straight line between them. These angles are 55° and 59°, for observers A and B, respectively. How tall is the tree? How far is the base of its trunk from each observer?

*February 11, 2013 by rachel*

**Trigonometry **

A golfer hits a ball off of the ground with an angle of elevation of 10 degrees and an initial velocity of 240 feet per second. There is an 80 foot tree 160 yards in front of her. Will she hit the ball over the tree?

*April 4, 2015 by E *

**Algebra(Please Help ASAP)**

Indirect Measurement: A tree casts a shadow 8 ft long. A 6 ft man casts a shadow 4 ft long. The triangle formed by the tree and its shadow is similar to the triangle formed by the mad and his shadow. How tall is the tree? **PLEASE give a step-by-step explanation**

*November 17, 2015 by *\|'*'|Autumn|'*'|/* *

**math 115 CH 7**

A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree? Is this correct ? 1m=.4m 1m÷.4m =2.5m 2.5m X 5m =12.5m

*December 9, 2008 by Debbie*

**Question??? English**

In The Year of the Perfect Christmas Tree, what Ruthie wants for Christmas is 1. a Christmas feast. 2. a new dress. 3. a doll. 4. a beautifully decorated Christmas tree.

*December 10, 2008 by Leah*

**algebra**

3. You are going to plant trees in your hilly backyard. Tree A is located at coordinates (1,4) and Tree B is located at (5,12). What is the slope of the hill between the two trees?

*March 12, 2011 by victor*

**trig**

a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree

*September 6, 2011 by hails*

**trig**

a tree casts a shadow 36 ft long. at the same timem the shadow cast by a vertical 7 ft pole is 4ft long. find the hight of the tree

*September 6, 2011 by hails*

**Physics**

On level ground, you stand 21.0m from the base of a tree and determine that the treetop is at 46 degrees above the horizontal, as measured from ground level. How tall is the tree?

*February 8, 2012 by Tig*

**math**

A person that is 1.6 m tall casts a 4 m shadow. At the same time, a nearby tree casts a 12 m shadow. What is the height of the tree to the nearest tenth of a metre?

*November 4, 2016 by tanya*

**math**

a fence post a 4-foot shadow at the same time that a tree next to it cast a 64-foot shadow. how tall os the tree? a)66 b)70 c)74 d)78 e)not enought information is given

*May 10, 2010 by morgan*

**Math **

Ella reports that the height of a tree in her school yard is 3.8m. If ella measured the tree to the nearest hundredth of a metre, what is the least height she might report?

*January 22, 2012 by Anonymous*

**math**

A 12-foot tree casts a 22-foot shadow. Find the angle of elevation from the tip of the shadow to the top of the tree. Round the answer to the nearest tenth.

*October 7, 2014 by celina*

**Math**

A tree grows vertically on a slope which has an incline of 27 degrees. When the sun is at an elevation of 78 degrees, the tree casts a shadow of 48 feet directly down the slope.

*September 20, 2016 by Meghan*

**PreCalculus**

A tree grows vertically on a slope which has an incline of 27 degrees. When the sun is at an elevation of 78 degrees, the tree casts a shadow of 48 feet directly down the slope.

*September 20, 2016 by Susan*

**algebra**

a point on one bank he finds the angle of elevation of the top of a tree on the other bank to be 60 degress. from his initial observation point he walks back 200 feet in a straight line with the tree and his first observation point and finds the angle of elevation to the top ...

*July 19, 2011 by alex*

**elemetary elgabra**

A tree casts a shadow 25 m long. At the same time, the shadow cast by a 57-cm tall statue is 66 cm long. Find the height of the tree to the nearest meter.

*January 27, 2013 by garrett*

**Trigonometry**

A tree casts a shadow 38 m long. At the same time, the shadow cast by a 34 centimeter tall statue is 69 cm long. Find the height of the tree to the nearest tenth.

*January 11, 2016 by Trig student*

**Math 115**

A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree?

*December 6, 2008 by Debbie*

**physics**

A Christmas tree ball will break if dropped on a hardwood floor with a speed of 2.0 m/s or more. If it falls 15 cm from a tree branch to the floor, will it break?

*September 27, 2011 by Anonymous*

**Intermediate Algebra**

A 6-foot man cast a shadow of 2.5ft. At the same time of the day, a tree cast a shadow of 25 ft. How tall is the tree?

*December 2, 2012 by Wanda*

**trigonometry - kindly help, needed badly**

From a point on the bank of a stream,the angle of elevation of a tree top on the opposite bank is 38 degrees and 23 mins. And from a point 200.6 ft. straight back from the bank, the angle of elevation of the tree top is 20 degrees and 22 mins. Find the height of the tree and ...

*September 12, 2014 by rhinechilde*

**Math**

a tree needss to be staked with three wires. Each wire is attached to the trunk 3 ft above the ground, then anchored to the ground 4 ft from the base of the tree. How much wire is need for 2 stakes?

*May 15, 2008 by Mary*

**math**

A rope is used to hold a tree upright. it is attached to the ground at a distance of 95 feet from the tree and forms an angle of 47 degree with the ground. How long is the rope to the nearest foot?

*February 12, 2013 by natalie*

**Math**

A tree casts a shadow that measures 5m. At the same time, a meter stick casts a shadow that is o.4m long. How tall is the tree?

*December 6, 2007 by Patricia*

**Math**

A tree casts a shadow that measures 5m. At the same time,a meter stick casts a shadow that is 0.4m long. How tall is the tree?

*March 6, 2008 by Danielle*

**Math**

A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree?

*August 12, 2009 by Kati*

**math**

A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree?

*August 12, 2009 by scooby91320002*

**physics**

A cat that has a mass of 6 kg climbs to the top of a tree that is 20 m high. How much potential energy does the cat have at the top of the tree?

*January 26, 2012 by Jay*

**Science**

A monkey that weighs 270 newtons is hanging from the branch of a tree. What is the size and direction of the monkey's force on the tree branch?

*December 9, 2013 by Angelo*

**Trigonometry**

A crow is on the ground 80 feet from the base of a 45 foot tall tree. It then flies straight throught the air to the top of the tree. What is the angle of the crow's flight path relative to the ground ?

*January 24, 2010 by Drake*

**pme**

a bullet moving at 270 m/s penetrates 5 cm into a tree limb, beforecoming to rest assuming that the force exerted by the tree limb is uniform, find its magnitude? mass of the bullet is 10 g

*July 24, 2011 by babu lal*

**math**

Marsha is using an 8-ft ladder to pick apples from a tree. If the bottom of the ladder is 3-ft from the bottom of the tree , calculate the angle of elevation to the nearest degree.Make sure to include diagram.

*July 6, 2012 by Anonymous*

**math**

Marsha is using an 8-ft ladder to pick apples from a tree. If the bottom of the ladder is 3-ft from the bottom of the tree , calculate the angle of elevation to the nearest degree.Make sure to include diagram.

*July 6, 2012 by Trey*

**trigonometry**

from a point 3 m above the water surface, the angle of elevation of the top of a certain tree is 30°40', while the angle of depression of its image is 65°10'. Find the height of the tree and its distance from the point of observation.

*December 7, 2015 by Albert*

**Fundamentals of Math**

A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.

*August 6, 2016 by Anonymous*

**Environmental Science **

H.B.D. Kettlewell observed that peppered moths in the forests of England were becoming darker in color over time. In addition, he observed that pollution had turned the tree trunks black. He thought it would be easy for birds to spot and capture light-colored moths resting on ...

*August 7, 2014 by Sydney*

**physics**

Larry leaves home at 2:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 2:15, immediately turns, and runs to the tree. Larry arrives at the tree at 2:29. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost is ...

*October 7, 2008 by Deepa*

**Math**

45% of the tree in a park are maple. There are 27 maple tree in the park. How many tree are there in all in the park?

*May 27, 2009 by Kellie*

**Math - Trig**

1. From a point 15m from the base of a tree, the angle of elevation of the top of the tree is 46.48degrees. Approximate the height of the tree. 2. From a point 17.2m from the base of a building, the angle of elevation of the top of the building is 73.5degrees. Aproximate the ...

*December 4, 2013 by McKenna Louise*

**math**

How do I make a math factor tree using the number 115 and make it look like a tree for real?

*October 6, 2010 by lanette*

**math**

Problem A: Let T be a balanced 5-ary tree with 81 nodes. (a). How many internal nodes does T have? (b). How many edges does the tree T have? (c). What is the height of T?

*March 14, 2011 by aj*

**algebra**

The reflection of the tree in the lake is 49 in long. If your shadow in the lake is 14 in long and you are 5 ft, how tall is the tree? Put your answer as inches.

*October 11, 2012 by jade*

**Math**

A tree is 18 feet tall and casts a shadow that is 22 feet long. How fat is it from the end of the shadow to the top of the tree

*April 21, 2014 by Tristan*

**math**

how high is a tree that cast a 48ft shadow at the time a 12 ft pole cast a shadow which is 12 ft long. the tree hight is?

*November 18, 2014 by Michellle*

** Algebra **

You go to a forest and measure the shadow of a tree as being 6 m long. The shadow of your meter stick is 2 m long .How tall is the tree ?

*August 22, 2015 by Bob*

**physics**

To measure the height of a tree, you throw a rock directly upward, with a speed just fast enough that the rock brushes against the uppermost leaves and then falls back to the ground. If the rock is in the air for 2.1 s, how tall is the tree?

*September 7, 2010 by frank*

**physics**

To measure the height of a tree, you throw a rock directly upward, with a speed just fast enough that the rock brushes against the uppermost leaves and then falls back to the ground. If the rock is in the air for 2.1 s, how tall is the tree?

*September 7, 2010 by frank*

**Physics**

A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 10.0 m/s, and the man is initially 2.75 m above the level of the saddle. Please Show work!! I am completely lost!

*February 7, 2012 by Haroula*

**Physics**

A soccer ball accelerates from rest and rolls 6.5 m down a hill in 3.1 s. It then bumps into a tree. What is the speed of the ball just before it hits the tree? A formula to answer this question would be fine; you don't have to solve the whole thing.

*September 28, 2016 by Heather*

**math**

(a). Determine the DFS tree of K3,3. (b). Determine the BFS tree of K3,3.

*March 14, 2011 by aj*