3 years ago

Which is written in standard form? A.-2x=13 B.3x+5y C.1/2x+1/3y=1/5 D.-3x+13y=25

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

4 0

Your answer is going to be D

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In the diagram below, A8 is parallel to CD. What is the value of y? Help me

Anna11 [10]

Answer:

C. 108

Step-by-step explanation:

The angles are known as same-side interior angles. They are supplementary angles so their sum is 180°.

$y+72=180\\y+72-72=180-72\\y=108$

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2 years ago

F(x) = -x^2<br> Find f(3)

Lemur [1.5K]

Answer:

Step-by-step explanation:

f(x) = -x^2

f(3) = -3^2

f(3) = 9

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3 years ago

<img src="https://tex.z-dn.net/?f=y%20%3D%5Cfrac%7B1%7D%7B2%7D%20-%201" id="TexFormula1" title="y =\frac{1}{2} - 1" alt="y =\fra

aleksley [76]

The answer would be -0.5.

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2 years ago

Read 2 more answers

For a sequence an=an-1+an-2 and a1=1, a2=2, find its first four terms<br>

ASHA 777 [7]

Answer:

3, 5, 8, 13

Step-by-step explanation:

aₙ = aₙ₋₁ + aₙ₋₂

a₃ = a₂ + a₁ = 2 + 1 = 3

a₄ = a₃ + a₂ = 3 + 2 = 5

a₅ = a₄ + a₃ = 5 + 3 = 8

a₆ = a₅ + a₄ = 8 + 5 = 13

7 0

3 years ago

Hamsters, i tried to times it by 2 but its 10 and the answers are not close, i think ive done something wrong, maybe i times it

otez555 [7]

Answer:

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Step-by-step explanation:

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3 years ago