3 years ago

Multiplying greater numbers

Mathematics

1 answer:

Maslowich3 years ago

5 0

I don't understand the question

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What is the equation for a line passing through (-2,3) and perpendicular to y= -1/2+1 ?

nata0808 [166]

Answer:

$y=2x+7$

Step-by-step explanation:

The correct question is

what is the equation for a line passing through (-2,3) and perpendicular to y= -1/2x+1 ?

Remember

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes are equal to -1)

The slope of the given line is m=-1/2

the opposite reciprocal is m=2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=2\\point\ (-2,3)$

substitute

$y-3=2(x+2)$

Convert to slope intercept form

$y=mx+b$

isolate the variable y

$y-3=2x+4$

$y=2x+4+3$

$y=2x+7$

3 0

2 years ago

Are the graphs of the lines in the pair parallel? Explain. y = 3/7x + 11 –3x + 7y = 13

Kobotan [32]

Yes they will be parallel. Now you try to solve it.

5 0

2 years ago

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What is 4 1/6 divided by 10 in simplest form

Scilla [17]

10/7,8 ...................

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3 years ago

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Divide. Write your answer in simplest form. 1/9 divided 5/4?

timofeeve [1]

Answer: 4/45

Step-by-step explanation:

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3 years ago

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Which of the following sums would be under the radical symbol to find the distance between the points (7, -1) and (-8, -9)?

fomenos

The "distance formula" an extension of the Pythagorean Theorem is:

d^2=(x2-x1)^2+(y2-y1)^2 in this case:

d^2=(-8-7)^2+(-9--1)^2

d^2=(-15)^2+(-8)^2

d^2=15^2+8^2

d=√(15^2+8^2)

So the answer is 15^2+8^2

5 0

3 years ago