All Questions ⁺⁰237769 Questions

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5200

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tree house

Item 13
An 80-foot rope from the top of a tree house to the ground forms a 45∘ angle of elevation from the ground. How high is the top of the tree house? Round your answer to the nearest tenth of a foot.

Guest Mar 5, 2018

0

645

3

College algebra..

Hello!
I could really use some assistance on this please, it may seem easy to a lot of people.. but i'm struggling!

-25+[7-(-2-3]+(1-3)^4 read more ..

Guest Mar 5, 2018

0

729

1

+525

help please?

The recursive rule for a geometric sequence is given.
a1 = 2 ; an = 1 / 3 an−1

Enter the explicit rule for the sequence. read more ..

adore.nuk Mar 5, 2018

0

714

1

+525

help please?

The explicit rule for a sequence is given.
an= 3(1 / 6)^n−1

Enter the recursive rule for the geometric sequence. read more ..

adore.nuk Mar 5, 2018

0

1009

2

+69

I've been stuck on this. Help.

If 4 random points are placed on a sphere, what is the probability that the triangular prism made crosses over the center of the sphere?

I've been working on this for at least 20 mins and I'm stuck. Halp

TheXSquaredFactor ●●

CoopTheDupe Mar 5, 2018

0

715

2

+4117

Help 13

NotSoSmart Mar 5, 2018

0

715

1

+4117

Help 15

NotSoSmart Mar 5, 2018

0

767

2

+4117

Help 17

NotSoSmart Mar 5, 2018

0

742

2

+4117

Help. 18

NotSoSmart Mar 5, 2018

0

961

1

+4117

Help 19

TheXSquaredFactor ●

NotSoSmart Mar 5, 2018

0

793

1

+4117

Help 20

NotSoSmart Mar 5, 2018

0

776

1

+4117

Help 21 .

NotSoSmart Mar 5, 2018

0

1156

2

+17

45% of what distance is 135 miles i need a answer

opo363 Mar 5, 2018

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1660

2

+2448

Last questions

1) Given the proportion a/b = 11/20 , what ratio completes the equivalent proportion a/11 = ? (The answer needs to be a fraction)

2) A model is made of a car. The car is 3 meters long and the model is 4 centimeters read more ..

RainbowPanda Mar 5, 2018

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804

1

If a question says...

If a question says "calculate angle BDA", do i have to figure all 3 angles out seperately or calculate all three and then multiply them together?

Guest Mar 5, 2018

0

2462

7

+9

Geometry help

Graph the image of the figure after a dilation with a scale factor of 3 centered at (2,-7)
Graph the quadrilateral by connecting all its vertices.
(I'm not able to atach the image for some wierd reson so I will list the points of the orignal read more ..

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aimee0b Mar 5, 2018

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797

4

+2448

Help asap, please

1.
2.
3.
4. read more ..

RainbowPanda Mar 5, 2018

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1552

1

+2448

6 and 7

6. A salsa recipe uses green pepper, onion, and tomato in the extended ratio 2 : 5 : 8. How many cups of onion are needed to make 105 cups of salsa?
7. The measures of the angles of a triangle are in the extended ratio 2 : 3 : 5. What read more ..

RainbowPanda Mar 5, 2018

-1

806

1

+2448

Ratios and proportions 4 and 5

4. The measure of two complementary angles are in the ratio 1 : 5. What are the degree measures of the two angles?

5. The ratio of length to width in a rectangle is 3 to 1. If the perimeter of the rectangle is 56 feet, what is read more ..

RainbowPanda Mar 5, 2018

0

804

1

+37

Help Please

How much heat is necessary to change 30 g of water at 40°C into water at 80°C?

How much heat is necessary to change 30 g of water at 50°C into steam at 100°C?

cmoore Mar 5, 2018

-1

1045

1

+2448

Ratios and proportions 3

Red and grey bricks were used to build a decorative wall.
The number of red bricks
----- was 5/2. There were 210 bricks used in all. How many red bricks were used?
the number of grey bricks read more ..

RainbowPanda Mar 5, 2018

-1

757

1

+2448

Ratios and Proportions

The length of a rectangle is 7and 1/2 inches and the width is 2 and 3/4 inches. What is the ratio, using whole numbers, of the length to the width?

RainbowPanda Mar 5, 2018

0

676

1

combinations

A letter is chosen at random from the letters of the word NUMBER.Find each probabilty?

Guest Mar 5, 2018

-1

1123

1

+2448

Ratios and Proportions

The Sears Tower in Chicago is 1450 feet high. A model of the tower is 24 inches tall. What is the ratio of the height of the model to the height of the actual Sears Tower?

RainbowPanda Mar 5, 2018

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