3 years ago

Find the distance between the point (-6, 7) and (-1, -2)

Mathematics

1 answer:

Anton [14]3 years ago

8 0

(-5,9) because -6—1=-6+1 which equals -5 and 7—2=7+2 which equals 9

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Evaluate. −7×(−6)×5= -7×(-6)×5= ______

Lunna [17]

Answer:

210

Step-by-step explanation:

double negatives = positive

-7 * -6 * 5 = 7 * 6 * 5 = 42* 5 = 210

7 0

3 years ago

A 42-inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece

Karo-lina-s [1.5K]

Answer: 7 inches

Step-by-step explanation:

If x is the first piece, and the second piece is twice as long, then the second piece is 2x.

If the third piece is three times as long as the first piece, x, then the third piece is 3x.

The 42-inch board must be equal to all 3 pieces, so we will set up an equation and solve for x.

42 = x + 2x + 3x

42 = 6x

7 = x

The first piece is 7 inches long.

Learn more about your question here: brainly.com/question/20320071

5 0

2 years ago

Need help! Law of cosines...find b round to the nearest tenth please

dusya [7]

ANSWER

$B = 27.8 \degree$

EXPLANATION

The law of cosine is given by the formula:

${b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)$

From the diagram,

a=17, b=8, c=16

We substitute the given values into the formula to obtain:

${8}^{2} = {17}^{2} + {16}^{2} - 2(17)(16)\cos(B)$

$64 = 289+ 256- 544\cos(B)$

$64 = 545- 544\cos(B)$

$64 - 545 = - 544\cos(B)$

$- 481 = - 544\cos(B)$

$\frac{ - 481}{ - 544} = \cos(B)$

$cos(B) = 0.88419$

$B = \cos ^{ - 1} (0.88419)$

$B = 27.8 \degree$

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3 years ago

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124 ounces decreased by 67%

slavikrds [6]

40.92 ounces.
You can find it by multiplying 124 by 0.33

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3 years ago

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swat32

Answer: