How would I do this? Please explain instead of just giving me the answer.
How would I do this? Please explain instead of just - 1

Answers

Answer 1
Answer: According to the Pythagorean theorem, the square of the hypotenuse (the longest side) of a right-angled triangle equals to the sum of the squares of the other two sides. In this case, the ladder is the hypotenuse, which equals to the distance between the bottom of the ladder and the tree + the distance we want to find (x):
5² + x² = 13²
25 + x² = 169
x² = 144
x = √144 = 12.
The distance between the ground and the top of the ladder is 12 ft.


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Jana is taking pledges for a bike-a-thon fundraiser. Ivan pledged $4.25, plus $1.25 for eachmile that Jana bikes. Vicky pledged $5.75, plus $0.75 for each mile that Jana bikes.
Part A
Write expressions for the number of dollars Ivan pledged and the number of dollars Vicky
pledged. Use m for the number of miles that Jana bikes.
Part B
Add the two expressions from Part A to find the combined amount that Ivan and Vicky
pledged in terms of m.
Part C
Find an expression equivalent to the one from Part B by factoring out the greatest common
factor from the two terms.

Answers

Jana is taking pledges for a bike-a-thon fundraiser.

Part A

Ivan: $4.25 + $1.25m

Vicky: $5.75 + $0.75m

where m is the number of miles jana bikes

Part B

Total = ($4.25 + $1.25m) + ($5.75 + $0.75m)

Total = $4.25 + $5.75 + $1.25m + $0.75m

Total = $10.00 + $2m

Part C

Total = $2 (5+m)

Part A
Ivan- 4.25+1.25x
x=number of miles rode
Vicky- 5.75+0.75x
x=number of miles rode

# 27 a rectangular piece of cloth had an area of 1/12 square yard

Answers

1/9
 becuase 27-1/12= 1/9

1/12 ÷ 2

2 = 2/1

1/12 ÷ 2/1 = 1/12 X 1/2
1 X 1 = 1
12 X 2 = 24

The answer is 1/24 yard

How do you estimate decimals?

Answers

If you are rounding to the nearest tenth
Let's say round 20.15 to the nearest tenth. 1 is the tenth place. You have to look at the hundredths place. Since it is 5 and over You round up. If it is under 4 then you round down to it would be 20.2
1. Find the place value you want (the "rounding digit") and look at the digit just to the right of it.
2. If that digit is less than 5, do not change the rounding digit but drop all digits to the right of it.
3. If that digit is greater than or equal to 5, add one to the rounding digit and drop all digits to the right of it. 

Hope this helps!!!!!!

What is the approximate volume of the cylinder? height = 52.2 cm; diameter = 20 cm

A.
1640 cm3

B.
3300 cm3

C.
16,400 cm3

D.
65,600 cm3

Answers

h = 52.2 diameter = 20 cm
radius = 10 cm
Cylinder volume = π • r² • height
Cylinder volume = PI * 100*52.2

Cylinder volume = 16,399
answer is C

You have a can that is in the shape of a cylinder. It has a volume of about 1,738 cubic centimeters. The height of the can use 23 centimeters. What is the approximate length of the radius? Use 3.14 for pi

Answers

Answer:

~8.7

Step-by-step explanation:

So we know that the formula for volume is 3.14 * r^2 * h.

So first we do 1738/23 to get an ugly ~ 75.6 Now he have to square root that to get r.

The square root of 75.6 is ~ 8.7

Simplify (3xy) to 6th power

Answers


You can write that expression in many different ways,
but you won't find one that's any simpler than (3xy)⁶ .

Here are a few:

(3)⁶x⁶y⁶
729x⁶y⁶
(27x³y³)²
(3x)⁶y⁶
(3y⁶)x⁶