2 years ago

Write an equation in slope-intercept form that includes the points (-1,4) and (2, −2).

Mathematics

1 answer:

suter [353]2 years ago

4 0

The two formulas i used should be in your book

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Isabel wants a coat that costs $60. She has saved $42. What fraction of the amount she needs has she saved ?

notka56 [123]

Simple.....

you have this fraction...

$\frac{42}{60}$

simplify...

42/6=7
and
60/7=10

Thus... $\frac{7}{10}$

Thus, she has saved $\frac{7}{10}$ of the money.

8 0

2 years ago

Four-fifths of a number decreased by two is eighteen

hodyreva [135]

Pls mark me brainiless

(4/5)(x - 2) = 18
4(x - 2) = 90
4x = 98
x = 24 1/2

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2 years ago

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lbvjy [14]

Answer:

Step-by-step explanation:

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I already found the vertex, but can someone help me find the latus rectum of this parabola?

Fofino [41]

Answer:

Step-by-step explanation:

y=x²+7

vertex(0,7)

the length of latus rectum in a parabola equal to four times the focal length :

y=x²+7

focus X=-b/2a=0

focus Y=c- (b²-1)/4a=7+1/4=29/4

focus (0 , 29/4)

latus rectum is 29/4

(x-h)^2 = 4p (y-k) 4p is the length of the latus rectum with vertex(0,7)

(0-0)²=4p(29/4-7)

0=29p-28p=1p

the length of the latus rectum is 1

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2 years ago

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What is the domain of y=(x+5)(x-2)(x-7)

gavmur [86]

The correct answer is 16

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2 years ago