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lakkis [162]
3 years ago
11

What is the sum of the interior angle measures of a 20-gon?

Mathematics
2 answers:
guapka [62]3 years ago
6 0
The answer is A: 360*
poizon [28]3 years ago
5 0

Step-by-step explanation:

360 one gon 18 therefore 18*20=360

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210 is equal to the total of p and 111
Aleks [24]

Answer:

p + 111 = 210

p = 99

Step-by-step explanation:

Break the question down into parts.

<u>Convert each part into algebraic form</u> (numbers or symbols).

210                                =>   210

is equal to                    =>   =

the total of p and 111    =>   p + 111

Put the equation together:

210 = p + 111

Usually, the variable is on the left side:

p + 111 = 210

<u>To solve the equation is to isolate "p"</u>. This means to keep "p" on the left, and move everything else to the right side. When moving something, do the <u>reverse operation</u> to both sides of the equation.

p + 111 = 210            "111" should be on the left. It's opposite is -111.

p + 111 - 111 = 210 - 111                Simplify. "111" cancels out on the left.

p = 99                     Solved for "p"

6 0
3 years ago
Please its worth 20 points I will give you brainliest!!!​
trapecia [35]

Answer:

you can use desmos or symbolab

Step-by-step explanation:

5 0
3 years ago
What is the square root of 147?
olga nikolaevna [1]
The square root of 147 when rounded to the nearest tenth is about 12.1
7 0
3 years ago
On a piece of paper, graph y=4x-2. then determine which answer matches the graph you drew?
Natalka [10]

Because this equation is in slope-intercept form, we can tell exactly how it will look by checking out 3 key points.

Leading coefficient: negative, or positive.

In this case, the leading coefficient is positive, which means that the slope will be going from bottom left to upper right.

Leading coefficient = slope

In this case, the slope is 4, or 4/1, so it will be at a steep incline.

Value of constant = y-intercept.

In this case, the y-intercept is -2, which will help us narrow down our choice.

<h3><u>After reviewing the three answer choices, the most likely selection will be A, as it seems to have a slope of 4, it is positive, and it has a y-intercept of -2.</u></h3>
3 0
3 years ago
Find the inverse of the function f (x) = 0.25x + 12.
worty [1.4K]

Answer:

g(x)=4x-48

Step-by-step explanation:

f(x)=0.25x + 12

substitute

f(x) with y

y=0.25x + 12

then replace x with y and y with x

x=0.25y + 12

swap equation

0.25y + 12 = x

0.25y = x - 12

divide both sides by 0.25

Y=4x-48

5 0
3 years ago
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