3 years ago

This test is literally the death of me but can anyone help?

Mathematics

2 answers:

Neporo4naja [7]3 years ago

7 0

Answer:

answer is b

Step-by-step explanation:

i hope this helps you

topjm [15]3 years ago

7 0

I hope it will help you

please mark me as brainliest

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Prove that the value of the expression: 731^2−631^2 is divisible by 100

Ivanshal [37]

Answer:

Step-by-step explanation:

731² - 631² is the difference of squares.

731² - 631² = (731+631)(731-631) = 1362×100

therefore, 731² - 631² is divisible by 100

7 0

3 years ago

Consider kite WXYZ. What are the values of a and b? a = 4; b = 10. a = 4; b = 40, a = 8; b = 10, a = 8; b = 40

Brut [27]

Check the picture below.

let's recall that a kite is a quadrilateral, and thus is a polygon with 4 sides

sum of all interior angles in a polygon

180(n - 2) n = number of sides

so for a quadrilateral that'd be 180( 4 - 2 ) = 360, thus

$\bf 3b+70+50+3b=360\implies 6b+120=360\implies 6b=240 \\\\\\ b=\cfrac{240}{6}\implies b=40 \\\\[-0.35em] ~\dotfill\\\\ \overline{XY}=\overline{YZ}\implies 3a-5=a+11\implies 2a-5=11 \\\\\\ 2a=16\implies a=\cfrac{16}{2}\implies a=8$

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3 years ago

Read 2 more answers

Which function has an inverse that is a function?

statuscvo [17]

Answer:

i aint never seen two pretty bestfriends

Step-by-step explanation:

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3 years ago

Use your plan to find the temperature at the top of Mt Everest.

Dmitry [639]

Answer:

- 61

Step-by-step explanation:

-3 - 58 = -61

times 1 is

is -61

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3 years ago

Tyler’s brother works in a shoe store.

mylen [45]

I believe it should be (c)?

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3 years ago