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VLD [36.1K]
2 years ago
12

How many sides are there?

Mathematics
1 answer:
lions [1.4K]2 years ago
4 0

Answer:

13

Step-by-step explanation:

1980 = ( n - 2 ) * 180

n - 2 = 11

n = 13

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I need help with these two questions
BlackZzzverrR [31]
Problem 4

Answer: 47

------------------------

Work Shown:

f(x) = x^2 - 7x + 3
f(x) = (x)^2 - 7(x) + 3
f(-4) = (-4)^2 - 7(-4) + 3 ... replace each x with -4
f(-4) = 16 - 7(-4) + 3
f(-4) = 16 + 28 + 3
f(-4) = 44 + 3
f(-4) = 47

============================================================

Problem 5

Answer: See the attached image for the table

------------------------

Work Shown:

Plug in n = 27 and we get...
C = 26 + 10*n
C = 26 + 10*27
C = 26 + 270
C = 296
The input n = 27 leads to the output C = 296. This means that 27 people will have the cost be $296

Do the same for n = 39
C = 26 + 10*n
C = 26 + 10*39
C = 26 + 390
C = 416
The input n = 39 leads to the output C = 416. This means that 39 people will have the cost be $416

and also n = 43 as well
C = 26 + 10*n
C = 26 + 10*43
C = 26 + 430
C = 456
The input n = 43 leads to the output C = 456. This means that 43 people will have the cost be $456

4 0
3 years ago
Which of the following is a true statement about the rhombus shown?
Airida [17]

Answer:-

B

I hope it helps.

8 0
2 years ago
Read 2 more answers
Find the value of -5 - (- 6)-(-3)=
iVinArrow [24]

Answer: -5-(-6)-(-3)= 4

7 0
3 years ago
Larry made 85% on his exam. If there were 140 questions, how many did he answer correctly
ella [17]

Answer:

119

Step-by-step explanation:

Divided by x and y for total engagement of relationship between two beings of equation.

3 0
3 years ago
What is the value 24/25 ÷ 4/5 6th grade work.
Anna [14]

Answer:

as a decimal 0.048 and as a fraction 6/125

Step-by-step explanation:

Hope this helps :)

4 0
2 years ago
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