# You and your friend are sledding on two sides of a triangle-shaped hill. On your side, the hill slopes up at 30.0° from the horizontal; on your friend's side, it slopes down at the same angle. You do not want

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## Geometry, Cubes

The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted -
## Math

Paige is making a garden in the shape of a square. The sides of the new garden are twice the length of the old one. If the side of the original is x, what is the area of the new garden in terms of x? -
## physics

A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal att he same angle as the angle of incidence. Find: a.the angle between the light -
## geometry

suppose the bases of the rectangle and triangle in the building above are doubled to 40ft,but the height of each figure remains the same.How is the force of the wind against the side of the building affected? -
## Physics

three point charges 4nC , 4nC and -3nC are placed at vertices of an equilateral traingle of side 0.20 m. calculate the net electric field at the centriod of the triangle -
## Physics HELP!!

Three charges, q1=+45.9nC q2=+45.9nC and q3=+91.8nC are fixed at the corners of an equilateral triangle with a side length of 3.70cm. Find the magnitude of the electric force on q3. -
## Math

Emma is going camping.Each side triangle on her tent is5 feet tall.The square base 4feet wide.What is the surface area of her tent -
## Bisectors in a Triangle

Let ABC have side lengths AB=13, AC=14, and BC=15. There are two circles located inside <BAC which are tangent to rays AB, AC , and segment BC. Compute the distance between the centers of these two circles. -
## Maths

Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with -
## Maths

Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with -
## Math

Marks worth is A 1 B 2 C 2 Please explain next to it though how you got that answer and what to write to get that mark. Clearly explain as I have no clue, don't leave anything out though! Information needed to solve There is an isosceles triangle with -
## Math

In an isosceles triangle the verticle angle is 40° find the other two angle of the Triangle -
## statistics

A rental agent claims that the mean monthly rent, u , for apartments on the east side of town is less than $675. A random sample of 21 monthly rents for apartments on the east side has a mean of $674, with a standard deviation of $18. If we assume that the -
## pre calc

i have to use the inverse of tangent to find a missing angle in a triangle. the know sides are x+1 and 10. since i am using tangent, it should be arctan theta=x+1/10 my question is how do i solve this? i don't want the answer just HOW. -
## Algebra

A manufacturer of shipping boxes has a box shaped like a cube. The side length is (5a + 4b). What is the volume of the box in terms of a and b? Show your work. (5a+4b)^3 =(5a+4b)(5a+4b)(5a+4b) =(25a2+40ab+16b2)(5a+4b) = 125a^3 + 100a^2b + 200a^2b + 160ab^2 -
## algebra

the gateway arch is the tallest man-made monument found in the united states in St. Louis missouri. The gateway arch can be closely approximated by a parabola, is 630 feet high and 630 feet across at the base. 1) the maintenance crew is doing ht side of -
## trig

Find the values of the six trigonometric functions of the angle in standard position with the terminal side passing through the point P(-4, 3). -
## trigonometry

An angle measuring (468n)° is in standard position. For which value of n will the terminal side fall along the negative portion of the x-axis -
## trig

Find the values of the six trigonometric functions of an angle 0 in standard position whose terminal side passes through point P. P(4, -3) -
## precalculus

Suppose that θ is an angle in standard position whose terminal side intersects the unit circle at , 35/37−12/37 . -
## Precalculus

Evaluate all six trigonometric functions at t, where the given point lies on the terminal side of an angle of t radians in standard position. (40/41, -9/41) -
## MATH

A REGULAR PENTAGON ABCDE AND A SQUARE ABFG ARE FORMED ON OPPOSITE SIDE OF AB. FIND ANGLE BCF.. -
## trig

Find sin t,cos t and tan t when the terminal side of an angle of t radians passes through ( -3/5 , -4/5) on the unit circle. -
## Precalculus Someone please help

Evaluate all six trigonometric functions at t, where the given point lies on the terminal side of an angle of t radians in standard position. (40/41, -9/41) -
## Pre-Cal

Find the exact sine value of the angle in standard position whose terminal side goes through the point (-1,5) I do not know when to start -
## math - trig

Given the coordinates of the terminal side of an angle in standard position, find the value of sine, cosine, and tangent: (-4,0) -
## Steve/Ms.Sue

Steve can you please show me how to do this problem? What is the area of the shaded region in the given circle in terms of pi and in the simplest form? the picture shown is of a circle with a triangle from 1 oclock to 3 oclock with a 60 deg opening. the -
## Science

Fortune teller's use crystal balls to see the future. A fortune teller has a crystal ball with an index of refraction of 1.5 and diameter of 0.2 m. You sit on one side of the ball and the fortune teller sits on the other. She holds up a small red jewel on -
## Math

Learning about quadratic functions and equations, and I am struggling. It's so easy for others to understand, but math is my weakness, would appreciate all the help you could give. Notes and stuff would be great, as long as I understand. Quadratic -
## Physics

A square steel plate is 9.00 cm on a side and 0.600 cm thick. Assume that the plate is oriented with the square faces horizontal to the ground. A. Find the shear strain that results if a force of magnitude 1.00×106 N is applied to the top square face of -
## geometry

solve this proof: PR is congruent to DE, PT is congruent to DF, Angle R is congruent to Angle E, Angle T is congruent to Angle F.. Prove Triangle PRT is congruent to Triangle DEF -
## Math

What is the measure of the dent angle for a star-shaped polygon with 8 points and a point angle of 20 degrees? -
## Math

What is the measure of the dent angle for a star-shaped polygon with 8 points and a point angle of 20 degrees? -
## Math

Ricardo spends $3.50 for lunch each day. Write and solve an equation to find how long it takes him to spend $21.00 3.50x=21.00 3.50(6)=21.00 6. A spiral toy that can bounce down a flight of stairs is made from 80 feet of wire. Write and solve an equation -
## Euclidean Geometry

I am in the 10th Grade and my question is: The base of an isosceles triangle is 21cm. long. The altitude to the base is 9cm. long. What is the approx. measure of a base angle of the triangle? The tangent of that angle is 9/10.5 = 0.8571 Trigonometric -
## Geometry

AB and CD are two parallel chords of a circle whose centre is O and radius is 20cm.If Ab=24cm and CD=32cm find distance between AB and CD. If it's given that they lie. 1.onthe opposite sides of centreO. 2.on the same side of the centre o. -
## calculus

Consider a 10in by 14in rectangle to which you make square cuts of side length "x" in each corner, then fold the sides and form a box of height "x". What should "x" be to maximize the volume of the box? -
## Osciallations

You pull a simple pendulum of length 0.237m to the side through an angle of 3.50 degrees and release it. How much time does it take the pendulum bob to reach its highest speed? Take free fall acceleration to be = 9.80 . How much time does it take if the -
## MATH!

The length of a triangle is twice the width. The area is 32 square units. Find the length and width. I have the length of the triangle=2x and the width=x... so would the equation be 2x(x)=32 OR NO? Assume the "length" is the height measured from some side -
## Algebra

Two questions? Build a patio-hypotenuese is 50 feet long the two sides of patio are same. What is the length of one side of the patio I think I set it up a^2 + b^2 = c^2 a^2 + b^2 = 50^2 a^2+ b^2 = 2500 then I just could say 2a^2 = 2500 a^2 = 2500/2 a^2 = -
## algebra

Determine whether y varies directly with x. If so, find the constant of variation k and write the equation. The table ges right side dwnards, 7,8,9,10 the left side dwn ges 11, 13, 15, 17 Now I understand it I just don't knw how t write it. Help please -
## physics

Money managers: A. help people set up budgets to control personal spending. B. typically work for investment banks. C. are on the “sell side” of Wall Street. D. are on the “buy side” of Wall Street. B? -
## Circuits 2

For the circuit below, V1 has rms voltage of Vrms=10V. The turn ratio of the primary to secondary side of the transformer is 1:10. If R1 has a value of 20Ω, what is the value of the rms current on the secondary side? Enter your answer in units of Amps. -
## Algebra

Please show me step by step if possible: Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft². The length (longer side) equal ___ft and width (shorter side) equal ____ft. -
## Algebra

Please show me step by step if possible: Find dimensions of a rectanglar rug whose perimeter is 28 ft and whose area is 45 ft². The length (longer side) equal ___ft and width (shorter side) equal ____ft. -
## Math Geometry

Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be? -
## Geometry:Rectangles

Gery wants to fence a rectangular field whose area is 1200 sq.m. He has only 100 meters of fencing so he decided to fence only the three side of the rectangle letting the wall be the fourth side. How wide the rectangle should be? -
## Navigation

Solution to yesterdays problem I think! I am just beginning to study navigation & on top of that do not have a clue about how things should be expressed mathematically and on top of that have difficulty typing formulas on the computer - they are obviously -
## 7th grade

I have a critical thinking problem I need help with...you can divide each side of an equation by the same non zero value. Explain what would result from the equation 4 x 0 = 5 x 0 if you could divide each side by zero and if 0/0 = 1. -
## Math

A diagonal of a parallelogram is 10 inches long and makes angles of 25 degrees and 43 degrees with the side. how long is the longest side? -
## Algebra

Length of a side on a square is 5cm longer than the side of another square. the total area is 193cm. what is length of original? -
## 7th grade

I have a critical thinking problem I need help with...you can divide each side of an equation by the same non zero value. Explain what would result from the equation 4 x 0 = 5 x 0 if you could divide each side by zero and if 0/0 = 1. -
## Math - Permutations

How many different ways are there of arranging seven green and eight brown bottles in a row, so that exactly one pair of green bottles is side-by-side? -
## Math

If I were to make an equation so that the left side were a reciprocal function and the right side were an absolute value function, then the equation would be guaranteed to have at least one solution. Why? -
## Algebra

If I were to make an equation so that the left side were reciprocal function and the right side were an absolute value function then the equation would be guaranteed to have at least one solution. Why? -
## chemistry

The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 4.53 mm? atoms -
## Math C30

Eight Fundamental Identities Sec thada - Cos thada- on one side tan thada sin thada- on the other side How do you do this ??? -
## science

two inputs, two outputs and two side effects of the health care system would be... Compare and contrast one of the outputs with one of the side effects. help pl and thank u!! :) -
## Trignometry

Can you please help me prove that ((1-cosx)/(1+cosx))=(cscx-cotx)^2? I can only do work on one side to prove that its end result is equal to the other side. -
## College Physics

Three weights are attached to the corners of an equilateral triangle (side length 10 cm) made from stiff but very light wire. Measured from the bottom left corner, what is the center of mass of this object if M1 = 0.1 kg, M2 = 0.2 kg, and M3 = 0.3 kg? -
## lwtech

In order to build a bridge across a river, a surveyor is hired to find the distance across the river. The surveyor places a stake on either side of the river. As shown in the diagram below (the diagram is not drawn to scale). He measures the bearing to the -
## physics

A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light -
## Math

Post a New QuestionCurrent Questions Homework Help: Math Posted by Anonymous on Wednesday, November 11, 2015 at 7:08pm. 3. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number**** A whole number a radical 4.Mrs. -
## math

can someone please answer these questions for me?: 1. if the measure of an interior angle of a regular pentagonis 108 degrees, then the angle sum of that regular pentagon must be: A. 120 degrees B. 360 degrees C. 540 degrees D. 720 degrees 2. is it -
## Chemistry

I'm having a little trouble determining oxidation numbers for elements in a redox reaction KMnO4+HCl--> MnCl2+Cl2+H2O+KCl So far what I have for the reactants side is: K= +1 Mn= +7 O4= -2 H= +1 Cl= -1 And for the products side I have: Mn= +2 Cl2= -1 -
## math

the perimeter of an isoscles triangle is 42 cm and its base is 3/2 times each of equal sides. find the length of each sides. and area -
## math

the area of a triangle is equal to 48 cm squared and two of its sides measure 12 cm and 9 cm, respectively. find the possible measures of the included angles of the given sides. -
## Math

If three sides of a triangle are represented by three consecutive odd numbers and the perimeter is 75cm.Find the length of the sides. -
## Math

If a triangle has sides that measure 6, 5, and 5.999, is the triangle isosceles, equilateral, or scalene? -
## math

the perimiter of a triangle is 122cm. If the lengths of the sides of the triangle are(3x-1)cm, (4x+2)cm and (2x-5), what is the lenght of the longest -
## prealgbra

is a triangle with sides of length 6ft,21ft,23ft a right triangle.? explain -
## Math algebra1

What sides of a triangle have lengths 2x-1, x+3, 3x-4. Which of the following describes the perimeter of the triangle in terms of "x" -
## geometry

need help please: the sides of the triangle on the lines 6x-7+11=0 2x+9y+11=0 and 9x-2y-11=0. find the equation of the circle inscribed in the triangle. -
## Math ( please helllp )

The sides of a triangle have lengths ; 2x-1,x+3,3x-4 . Which of the following describes the perimeter of the triangle in terms if "x" -
## work

If I have a base of 144" and sides of an equilateral triangle measuring 7'3", what is the height of the triangle? -
## Math

The height of an isosceles triangle is 4 cm. Each of the two equal sides measure 5 cm. What is the area of the triangle? -
## geometry

triangle STR is an equilateral triangle. What is the value of x if the measures of the sides ate 7x+5,4x+14, and 10x-4 ? -
## geometry

Triangle ABC is an equilateral triangle with sides of 1. Arcs are drawn from A,B,C. what is the perimeter? -
## trig

Find all solutions to the following triangle. (Round your answers for angles A, C, A', and C' to the nearest minute. Round your answers for sides a and a' to two decimal places. If either triangle is not possible, enter NONE in each corresponding answer -
## trig

Find all solutions to the following triangle. (Round your answers for angles A, B, A', and B' to the nearest minute. Round your answers for sides a and a' to the nearest whole number. If either triangle is not possible, enter NONE in each corresponding -
## Adverbial Phrase

Q1. My mother and I did some gardening,and _______ we relaxed on our front porch, admiring our handiwork. a. last b. afterwards c. first Ans: a. last Q2. I bring my pet snake to the vet for a check-up every ______. a. Sundays b. days c. week Ans: c. week -
## Math 12A

Each side of a square is 20cm. Four points on the sides are joined as shown to form an inner square. What is the minimum area of the inner square? Can anyone help with this using quadratics? Please! -
## Math

The perimeter of the garden is 24 metres.all the sides are equal.what shape might the garden be? Give as many answers as you can.for each answer, record the length of each side of the garden. -
## math

At the Pentagon there are921 feet along each outer side facade and 17.5 miles of corridorS inside it. All sides of the Pentagon are equal. What is the perimeter of the Pentagon -
## maths

Let ABC be a triangle.Draw median AD on BC.Draw median AE of triangle ABD on BD.Take a point on side AB say F and join CF. Now from D make a line parallel to CF such that the line cuts AB at G. Note- G lies between F and B. AD intersect CF and P. AE -
## Algebra 1

A landscaper has two gardens: one is a square and the other is a rectangle. The width of the rectangular garden is 5 yards less than a side of the square one, and the length of the rectangular garden is 3 yards more than a side of the square garden. If the -
## Chemistry

What's the difference between the pressure of a system and the partial pressures in relation to Le Chatelier's principles? I know that when the pressure of the system is increased, it goes to the side with less moles/particles and when decreased it will go -
## math

A triangle is rotated 35 degrees about the origin. What is true about the relationship between the image and the pre-image? A) The lengths of the sides and the measures of angles are preserved, so the triangles are congruent. <--- * This one? B) The -
## Algebra 1

The graphs of 3x+2y=1, y=2, and 3x-4y=-29 contain the sides of a triangle. Find the measure of the area of the triangle. -
## Geometry

The lengths of three sides of a triangle are given. Describe each triangle as acute. right. or obtuse. 5, 6,10. -
## Geometry

Given the lengths of the sides of a triangle, identify the triangle as acute, right, or obtuse. 37,12,34 5,12,13 20,21,28 -
## Math

A triangle has sides with lengths of 3x, 5x, and 8x. Express the perimeter of the triangle in terms of x. Please help!!! -
## Geometry

Given a triangle with sides of 25, 9, 25, what type of triangle is it: Equilateral, Isosceles, Scalene? -
## Algebra 1

The graphs of 3x+2y=1, y=2, and 3x - 4y=-29 contain the sides of a triangle. Find the measure of the area of the triangle. -
## geometry

A triangle has sides x,x+7 , x+ 8. The value of x must fall between what boundaries to make this an obtuse triangle? -
## Math

If the 3 sides of a triangle have lengths 9m, 12m, and 15m, what is the area of this triangle? -
## trig

A kite is in the shape of a quadrilateral with two pair of congruent adjacent sides. The lengths of two sides are 20.0 inches and the lengths of the other two sides are 35.0 inches. The two shorter sides meet at an angke of 115 degrees. A. Find the length -
## Geometry

A plane is heading west at 200 mph. The wind is blowing S30°W at 25 mph. 1. What is the ground speed of the plane? 2. When you solve the triangle, what is the smallest angle? 3. What is the largest angle of the triangle? 4. What is the remaining angle? 5. -
## Physics

2. How much energy would a body of mass 50kg need to provide for the following: a. Climbing a hill 500m high. b. Walking up steps 10m tall. c. Jumping 10cm up. -
## Math

1. Choose a room you would like to decorate. Measure its length or width. This measurement will be the length of your pennant string. 2. Choose a size of paper square to use. (Hint: Whole number side lengths will make the calculations easier.) 3. Cut the