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Andreas93 [3]
2 years ago
7

The area of a rectangle is x^2-4/2x in.^2 and its length is (x+2)^2/2 in. What is the width in inches?

Mathematics
1 answer:
Over [174]2 years ago
3 0
Is b I’m sure check
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Use Pythagorean Theorem to solve for x.<br><br> HELP ME PLZZZZ!!!! ASAP
4vir4ik [10]

Answer: 2\sqrt{22}

Step-by-step explanation:

Pythagorean theorem: a^{2} +b^{2} = c^{2}, where a and b are the legs and c is the hypotenuse.

We can solve for x by only using the left side of the triangle. Since we're only using the left side of the triangle, we can reduce 18 by 2 to get 9. Now we plug in our information to the equation.

9^{2} +b^{2} = 13^{2}

81 +b^{2} = 169

Since we don't know what b^{2} is, we're going to isolate it by subtracting 81 on both sides

b^{2} = 88

We have to square root both sides in order to find out b (or x in the problem).

\sqrt{b^{2}} = \sqrt{88}

When you put this on a calculator it would result in 2\sqrt{22} which is the answer d in the problem.

6 0
3 years ago
5x + 2y = 34<br> x= - 4y - 4
tiny-mole [99]

Answer:

y = -3

Step-by-step explanation:

So, first you need to plug in -4y-4 for x. So, 5(-4y-4) + 2y=34. Now, use the distributive property and now it will become -20y -20 + 2y = 34. Add like terms which would be -20y + 2y = -18y. Now the equation is -18y - 20 = 34. Now use inverse operations and add 20 to both sides. Then the equation will be -18y = 54. When you divide -18 on both sides, you get y=-3.

Hope this helps :)

3 0
2 years ago
Find the distance between the pair of points.<br> (3, 3) and (3,-4)
Art [367]
Distance between two points
√0+49=
√49
= 7
Distance between points (3, 3) and (3, -4) is 7

See picture

6 0
2 years ago
Jordana is putting a fence around a garden that is shaped like a half circle and a rectangle.How much fencing will Jordana need?
Travka [436]
To find how much fencing Jordana will need you will find the perimeter of the given shape.  This includes 3 straight sides and a rounded side.

28 ft + 14 ft + 28 ft = 70 feet for the straight sides.

To find the distance around the circular side, you will need to find half of the circumference of the circle.

1/2 x pi x d
 1/2 x 22/7 x 14 = 22 feet

70 feet + 22 feet = 92 feet

Jordana will need 92 feet of fencing to enclose this space.
3 0
3 years ago
Read 2 more answers
Can you help me please
Leto [7]

2.5

Step-by-step explanation:

Multiply 2.5 by y and you get x

4 0
3 years ago
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