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Naya [18.7K]
3 years ago
5

Can someone help me out

Mathematics
1 answer:
disa [49]3 years ago
5 0

Answer:

34

Step-by-step explanation:

Perimeter,

2×(8+5+4)

= 34 units

Answered by GAUTHMATH

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Which statement describes how to determine if a relation given in a table is a function?
const2013 [10]

Answer: B

Step-by-step explanation: A function is a relation in which each input value is paired to exactly one output value.

Technically, if you had the same input value twice and the same output value corresponded to each of those, it would still be a function because you are just repeating what you have twice.

However, most teachers want to think of it as each input value must have exactly one corresponding value to be a function.

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Which graph shows a negative acceleration?
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Third

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In the third, the rate of change is negative, and the rate of change of that is decreasing as time passes.

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3 years ago
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What is the sum of any rational number and its opposite and why
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8 0
3 years ago
Find the value of x. Round your answer to the nearest tenth.
Fantom [35]
Hello again! So we will be using the pythagorean theorem (leg^2+leg^2=hypotenuse^2) to solve for the bottom leg of the triangles. After we do that, we'll subtract the value of the legs from 31, and that'll be x.


Plug in 17 and z (or any variable that isn't x) into the leg variable and 19 into the hypotenuse variable, and from there we can solve.

17^2+z^2=19^2

Solve the exponents to get 289+z^2=361

Subtract 289 on each side to get z^2=72

Lastly, square root each side of the equation and your answer should be z= \sqrt{72} (To get more accurate answers, you shouldn't round until the end of the problem)


Nextly, we will need to subtract \sqrt{72} from 31. And since there are 2 triangles, you'll need to multiply \sqrt{72} by 2.

x=31- \sqrt{72} *2 \\ x=14.0

In short, x = 14.0
5 0
3 years ago
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amm1812

Answer:

$6.96

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(4*8.99) + (3*7)

35.96 + 21 = 56.96

50- 56.96 =  -6.96   So she owes 6.96

4 0
2 years ago
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