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motikmotik
3 years ago
13

Help how many questions did you answer correctly

Mathematics
2 answers:
krek1111 [17]3 years ago
6 0
Answer:
18 questions

step-by-step explanation:
90% of 20 is 18
0.90 • 20 = 18
Lady bird [3.3K]3 years ago
4 0

Answer:

450

Step-by-step explanation:

you divide 90 by 20 and times in by 100

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Evaluate the expression
Lilit [14]

Answer:

<h2>2^7</h2>

Multiply

2^3 by 2^4 by adding the exponents.

Use the power rule

a^m a^n=a^m+n

to combine exponents.

2^3+4

Add 3 and 4.

2^7

Raise 2 to the power of 7.

128

Step-by-step explanation:

Hope it is helpful....

7 0
2 years ago
Which of the following is a solution for the equation 7x+ 21 = 105?<br> 105<br> 15<br> 84<br> 12
lisov135 [29]
The correct answer is 12
7 0
3 years ago
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Does this graph represent a function? Why or why not?
sashaice [31]

Answer:

B)...yes, because it passes the vertical line test.

Step-by-step explanation:


8 0
3 years ago
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Diana walks around a circular swimming pool of diameter 14 feet. What is the distance she has walked?
Bingel [31]

The distance she has walked around a swimming pool is 44 ft.

What is circumference?

The circumference of the circle is the length of the curve traced out from the fixed point which is equidistant from the locus of the curve.

Given that:-

  • Diana walks around a circular swimming pool of diameter 14 ft.
  • What is the distance she has walked?

The circumference of the circular swimming pool will be:-

C  =  2 π r

C  =  2  x  π  x  7

C   =  44 ft

Therefore the distance she has walked around a swimming pool is 44 ft.

To know more about circumference follow

brainly.com/question/20489969

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5 0
1 year ago
Given the following matrices what three elements make up the first row of the product matrix CD?
Sindrei [870]

Answer:

b

Step-by-step explanation:


5 0
3 years ago
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