3 years ago

Can someone help me please

Mathematics

2 answers:

Crazy boy [7]3 years ago

6 0

It is 4.5 3x1.5=4.5

How this helped

kotegsom [21]3 years ago

3 0

Try 4.5?? dont you multiply both sides by the denominator?

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The midpoint of segment AB is (-7, 10) and endpoint A is located at (3, -1). Find the other endpoint B. Show all work.

dusya [7]

Answer:

$B(-17,21)$

Step-by-step explanation:

The midpoint of two points is the average of the x coordinates and the average of the y coordinates.

Given

A(3, -1)

and we let the other end point B be B(x,y)

and midpoint is (-7,10)

So, the average of 3 and x is -7, and

the average of -1 and y is 10

We can solve for x first:

$\frac{3+x}{2}=-7\\3+x=2*-7\\3+x=-14\\x=-14-3\\x=-17$

and now solving for y:

$\frac{-1+y}{2}=10\\-1+y=2*10\\-1+y=20\\y=20+1\\y=21$

So, the other point B is:

$B(-17,21)$

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3 years ago

Solve by factoring: 2x2 - 5x - 12 = 0

Zepler [3.9K]

Step-by-step explanation:

$2 {x}^{2} - 5x - 12$

$2 {x}^{2} - 8x + 3x - 12$

$2x(x - 4) + 3(x - 4)$

$2x + 3 = 0 \: \: x - 4 = 0$

$x = \frac{ - 3}{2} \: \: x =4$

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3 years ago

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PLEASE HELP!!! How much blueberry pie will each person get if 4 people share one half of the pie equally?

Rasek [7]

Answer:

Each person gets one eighth of the pie.

Step-by-step explanation:

1/2 pie divided by 4.

1/2 / 4 = 1/2 / 4/1 = 1/2 × 1/4 = 1/8

Answer: Each person gets one eighth of the pie.

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Rom4ik [11]

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Step-by-step explanation:

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zysi [14]

Answer:

Step-by-step explanation:

The answer is D. Both are negative because they're both elevations below 0. However, -7 is higher, or closer to the regular level, because -10 is simply farther down.

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2 years ago