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2 years ago

5

How do I solve 2x+y=17 in slope intercept form?

1 answer:

sergij07 [2.7K]2 years ago

8 0

Slope intercept form is y=mx+b

Just move the parts of the equation around until it's in that format.

y=-2x+17

Remember when you move the 2x to the other side of the equation you must change the sign, so it becomes -2x.

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Brainliest explain this to me

shutvik [7]

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2 years ago

What is the measure of each angle? Show your work!

nalin [4]

Answer:

pos: 99. Sor: 17. roq: 64

Step-by-step explanation:

(5x+4)+(x-2)+(3x+7)=180

we add the angles to 180 because straight lines are equal to 180

5x+4+x-2+3x+7=180

5x+x+3x+4-2+7=180

9x+9=180

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9x=171

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2 years ago

What is the ratio of 4 and 2

Bas_tet [7]

2:1 or 2

Step-by-step explanation:

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2 years ago

The edges of a cube are 5 cm each and the diaganol of a face is approximately 7 cm what is the approximate area of the cross sec

xxTIMURxx [149]

Answer:

The approximate area is 35 square centimeters

Step-by-step explanation:

we know that

The cross section passing through the diagonal of opposite faces of the cube is a rectangle

so

the approximate area is equal to

$A=bh$

where

b is the diagonal of a face

h is the length side of the cube

we have

$b=7\ cm\\h=5\ cm$

substitute

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3 years ago

Sinea thinks that the fully factored form of the expression (x^4-1) is (x^2-1)(x^2+1). Is she correct? Explain.

iVinArrow [24]

Answer:

No. See below.

Step-by-step explanation:

$( {x}^{4} - 1)$

Use the following formula (Difference of Two Squares)

${x}^{2} - {y}^{2} = (x + y)(x - y)$

$( {x}^{4} - 1) = ( {x}^{2} + 1)( {x}^{2} - 1)$

We are not done yet. As we can still factor the expression which is x²-1 by using the same formula.

$( {x}^{2} + 1)(x + 1)(x - 1)$

This is the fully factored form.

3 0

2 years ago