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3 years ago

I was doing my khan and i got stuck 6=2(y+2)

Mathematics

1 answer:

Anna [14]3 years ago

3 0

Answer:

$y=1$

Step-by-step explanation:

Given:

$6=2(y+2)$

Distribute the parenthesis

$6=2y+4$

Subtract both sides by 4

$2=2y$

Divide both sides by 2 to get $y$ alone

$1=y$

Hope this is helpful

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Steve puts an 18-foot ladder against his house. The ladder reaches a height of 15 feet on the house. How far is the bottom of th

krek1111 [17]

Answer:

$3 \sqrt{11}$

Step-by-step explanation:

Since we are given the hypotenuse which is 18 since it slanted, and leans on the house. And we are given one of the legs which is 15 since it is vertical. We can use the pythagorean theorem to solve for this problem.

${a}^{2} + {b}^{2} = c {}^{2}$

where a and b are the legs and c is the hypotenuse l.

Let plug it in

${a}^{2} + 15 {}^{2} = {18}^{2}$

${a }^{2} + 225 = 324$

${a}^{2} = 99$

$a = \sqrt{99}$

$a = \sqrt{9 \times 11}$

$a = 3 \sqrt{11}$

4 0

3 years ago

Write this statement as a conditional in if-then form:. . All triangles have three sides.. . (1 point). If a triangle has three

ehidna [41]

The <u>correct answer</u> is:

<span>If a figure is a triangle, then it has three sides.

Explanation:

A conditional is an if-then statement. The part after "if" is called the hypothesis; the part after "then" is called the conclusion.

We know that triangles have 3 sides. We will start out with "if a figure is a triangle"; we end with "then it has three sides."

This is a true conditional statement.</span>

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4 years ago

Read 2 more answers

A trail is 2940 miles long. it begins in city a and ends in city

d1i1m1o1n [39]

In this question, the trail is 2940 miles long and Manfred is already hiking the 3/7 of the trail. You are asked how many miles he has a hike. Then to find it you just need to multiply the trail length with the ratio of hike/total trail. The calculation would be:

2940 miles * 3/7 = 1260 miles

5 0

4 years ago

kolezko [41]

(-1/3,0)for the x intercept and (0,-2) for the y intercept

6 0

4 years ago

A rectangular tank is 24 cm wide, and 30 cm long. It contains a stone and is filled with water to a height of 8 cm. When Amy pul

maw [93]

Answer:

Formula for volume = length (L) × width (W) × height (H)

Volume of the stone = 1,440 cm³

Step-by-step explanation:

✔️Formula for the rectangular tank = L*W*H

✔️Volume of the stone = volume of the tank with the stone - volume of the tank without the stone

✔️Volume of the tank with the stone:

L = 30 cm, W = 24 cm, H = 8 cm (height of water when the stone was in the tank)

Volume of the tank with the stone = 30*24*8 = 5,760 cm³

✔️Volume of the tank without the stone:

L = 30 cm, W = 24 cm, H = 6 cm (height of water when the stone was pulled out)

Volume of the tank with the stone = 30*24*6 = 4,320 cm³

✅Volume of the stone = 5,760 - 4,320 = 1,440 cm³

3 0

3 years ago