3 years ago

Two angles are alternate to each other. One of the

Mathematics

1 answer:

maw [93]3 years ago

8 0

45°? alternate angles have the same degree

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Find the sum of the first 5 terms of the infinite series: 8 + 18 + 28 +

Anna007 [38]

Answer:

8 + 18+ 28+ 38+ 48= 140

Step-by-step explanation:

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3 years ago

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We have x = 7 so now solve for y by replacing x with 7 in this equation 2x + y = 20

Ivahew [28]

Answer:

y=6

Step-by-step explanation:

2(7)=14.

subtract both sides by 14.

y=6

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3 years ago

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Elliot wrote a computer program that randomly generates a number from 2 to 10. If he runs the program twice, what is the probabi

Vikentia [17]

Answer:

StartFraction 16 over 81 EndFraction

Step-by-step explanation:

There are 4 prime numbers from 2 to 10 (2, 3, 5, 7) and 9 numbers from 2 - 10. Total possibilities: 9 * 9 = 81

Prime possibilities: 4 * 4 = 16

Therefore the answer is 16/81 or StartFraction 16 over 81 EndFraction

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3 years ago

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Is -2 a solution to 4x^(3)-x^(2)+16x-4

sergiy2304 [10]

Answer:

Not a solution

Step-by-step explanation:

In order for $x=-2$ to be a solution, the result after substituting must be 0:

$4(-2)^3-(-2)^2+16(-2)-4\stackrel{?}{=}0$

$4(-8)-4-32-4\stackrel{?}{=}0$

$-32-40\stackrel{?}{=}0$

$-72\neq0$

Therefore, $x=-2$ is not a solution to $4x^3-x^2+16x-4$

3 0

3 years ago

The sales tax in your city is 4.4%, and an item costs $3 before tax.

defon

Answer:

0.132

Step-by-step explanation:

4.4%*3=0.132

6 0

3 years ago