3 years ago

Which of the following best describes the algebrate expression 15x+8

Mathematics

1 answer:

tangare [24]3 years ago

6 0

fifteen times the sum of a number and eight

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Why is 1 + (−5) equal to −4?

ruslelena [56]

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because its 5 units to the left on a horizontal number line

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4 years ago

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A box contains 8 videotapes and 5 DVDs. I’m how many ways can one videotape and one DVD be selected?

Art [367]

Answer:

Step-by-step explanation:

8x5=40

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3 years ago

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Which of the following points is a vertex for the image produced by a dilation about the origin with a scale factor of 1/2?

MA_775_DIABLO [31]

Answer:

A (0,3)

Step-by-step explanation:

The given trapezoid has vertices:

(0,6), (7,12), (7,9) and (0,12).

We want to choose from the given options, a point that is a vertex for the image produced by a dilation about the origin with a scale factor of 1/2.

Note that the mapping for such a dilation is:

$(x,y)\to( \frac{1}{2} x, \frac{1}{2} y)$

This implies that:

$(0,6)\to(0,3)$

$(7,12)\to(3.5,6)$

$(7,9)\to(3.5,4.5)$

$(0,12)\to(0,6)$

Therefore correct choice is (0,3)

8 0

4 years ago

Find the difference: -10 - (-6) = A. -4 B. -16 C. +4 D. +16

Tatiana [17]

Answer:

-10-(-6) = -10+6 = -4; A

Step-by-step explanation:

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3 years ago

X equals ??????????

Ymorist [56]

Answer: x = 18

explanation: the two angles are congruent bc so you can set the equation up as 9x - 40 = 5x + 32 and then solve for x

hope this helps :)

7 0

3 years ago