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3 years ago

The midpoint of ̅̅̅CD is (−1,0). One endpoint is (5,2). What are the coordinates of the other endpoint?

Mathematics

1 answer:

olganol [36]3 years ago

6 0

Why don't ya graph it.

Answer is (-7, -2)

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HURRRYY PLEASEE<br> Determine the surface área of the pyramids below

lakkis [162]

Step-by-step explanation:

EXAMPLE OF SURFACE AREA

1/2 × (30×4) × 39 + (30×30)

= 60 × 39 + 900

= 2340 + 900

= 3240

4 0

2 years ago

Write each number as a product of a decimal number between 1 and 10 and a power of 10.<br> 234,000

MrRa [10]

Answer:

2.34 * 10^5.

Step-by-step explanation:

234000 = 2.34 * 10^5

- there are 5 digits after the first number so the exponent is 5.

4 0

3 years ago

(1.)Find the slope of the line that passes through the given pair of points. (If an answer is undefined, enter UNDEFINED.) (?a +

jekas [21]

Answer:

1. The slope of the line is $m=\frac{-2b+3}{2a}$ .

2. The value of a is 18.

Step-by-step explanation:

If a line passes through two points, then the slope of the line is

$m=\frac{y_2-y_1}{x_2-x_1}$

(1)

It is given that the line passes through the points (-a + 3, b - 3) and (a + 3, -b). So, the slope of the line is

$m=\frac{-b-(b-3)}{a+3-(-a+3)}$

$m=\frac{-b-b+3}{a+3+a-3)}$

$m=\frac{-2b+3}{2a}$

The slope of the line is $m=\frac{-2b+3}{2a}$ .

(2)

If the line passing through the points (a, 1) and (6, 5), then the slope of the line is

$m_1=\frac{5-1}{6-a}=\frac{4}{6-a}$

If the line passing through the points (2, 7) and (a + 2, 1), then the slope of the line is

$m_2=\frac{1-7}{a+2-2}=\frac{-6}{a}$

The slopes of two parallel lines are same.

$m_1=m_2$

$\frac{4}{6-a}=\frac{-6}{a}$

On cross multiplication we get

$4a=-6(6-a)$

$4a=-36+6a$

$4a-6a=-36$

$-2a=-36$

Divide both sides by -2.

$a=18$

Therefore the value of a is 18.

8 0

3 years ago

Please help me I have been stuck for a while now

luda_lava [24]

Answer:

Option 3

Step-by-step explanation:

Pythagorean Theorem:

$A^2 + B^2 = C^2 \\\\300^2 + 400^2 = 500^2$

3 0

3 years ago

Alyssa sold half of her comic books and then bought 7 more. She now has

shusha [124]

She began with 20.

If she bought 7 more books and ended up with 17, that means she had ten beforehand. If she had half remaining, we simply double it, thus getting 20.

6 0

3 years ago