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hammer [34]
3 years ago
15

(a-2b)3 when a=-2 and b= -1/2

Mathematics
1 answer:
Aleks [24]3 years ago
6 0

Answer: (a-2b)3=3a-6b

=3x-2-6x-1/2

= -6+3

= -3

Step-by-step explanation:

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What are the angles sizes
Rus_ich [418]
Answers:
(x+2) = 55 degrees

x = 53 degrees

the given is 72 degrees


Explanation:
A triangle always equals 180 degrees. It was given that one of the angle measures is 72 degrees. 180-72=108. Now I need to find the value of x. (x+2)+x=108. Solving this equation I get x=53. Substitute this back into the angle measures and u get the answers as stated above.
5 0
3 years ago
An urn contains six red balls and four green balls. A sample of seven balls is selected at random.
KIM [24]

There are 10 balls in the Urn Total.

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Green: 4

Question One: The probability that five red and two green is selected is likely. (as that is over half for both)

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Question Three: At least four is likely, as  there is more red then green in the Urn.

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3 years ago
The computer rendering of a mural in a town's square uses
rjkz [21]

Answer:

B

The highest point of the mountain defined by the function is 16 feet.

ED 2020

Step-by-step explanation:

7 0
4 years ago
Brainliest + points!<br><br> Please explain
zepelin [54]

Answer:

C

Step-by-step explanation:

Legs are the sides of an isosceles triangle that aren't the base, so in this case ZX would be the base. This rule is only for isosceles triangles. It doesn't apply to any other type of triangle.

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6 0
3 years ago
Read 2 more answers
Solving for an Unknown Using the Distributive Property
ArbitrLikvidat [17]

<em><u>Complete Question:</u></em>

The equation a= 180(n-2)/n represents the angle measures, a, in a regular n-sided polygon. When the equation is solved for n, n is equal to a fraction with a denominator of a – 180. What is the numerator of the fraction?

<em><u>Answer:</u></em>

The numerator of fraction is -360

<em><u>Solution:</u></em>

Given that,

<em><u>The equation represents the angle measures, a, in a regular n-sided polygon is:</u></em>

a = \frac{180(n - 2)}{n}

We have to solve the equation for "n"

Rearrange the equation

a \times n = 180(n - 2)\\\\a \times n = 180n - 360\\\\an - 180 n = -360\\\\Take\ n\ as\ common\ factor\\\\n(a-180) = -360\\\\n = \frac{-360}{a - 180}

Thus the numerator of the fraction is -360

4 0
3 years ago
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