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svetoff [14.1K]
3 years ago
7

Please help!!! Multiply. Write your answer in scientific notation. (5×10 – 8)(1×103) 20 pts

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0

Answer:

4.326 x 10^ 3

Step-by-step explanation:

Correct me if wrong please :)

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Factor completely<br> 2c^3-22c^2+48c
Bingel [31]

Answer:

2c(c - 3)(c - 8)

Step-by-step explanation:

Hello!

Factor:

  • 2c³ - 22c² + 48c
  • 2c(c² - 11c + 24)

Think: What two numbers multiply to 24, and add up to -11?

Answer: -8 and -3

Split up the -11c into -8c and -3c:

  • 2c(c² - 8c - 3c + 24)      (factor each pair)
  • 2c( c(c - 8) - 3(c - 8))  
  • 2c(c - 3)(c - 8)
7 0
2 years ago
Min knows that Pi times r = 9.42 centimeters. What would she need to do to find the area?
Alinara [238K]

Answer:

The area of the circle is 28.26.

Step-by-step explanation:

πr =9.42

Using that, we can find the radius, which will help us find the area of the circle.

9.42/π = 3 (I used 3.14 for π)

The formula for area of a circle is:

πr^2

Plug our values in.

π(3^2)

9π

28.26

The area of the circle is 28.26.

To sum, Min would need to first figure out the radius of the circle, and then use the radius to find the area of the circle. She can figure out the radius by dividing 9.42 by π, and find the area with the formula πr^2.

5 0
3 years ago
Read 2 more answers
Anyone know how to solve this
Salsk061 [2.6K]

Answer:

Y=1800+150x

Step-by-step explanation:

8 0
3 years ago
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Susan’s stylist has done a great job of coloring her hair. She wants to leave a 20 percent tip. If the bill was $150, how much s
irina [24]
0.20(150) = 30....her 20% tip would be 30 bucks
6 0
3 years ago
Read 2 more answers
Im giving 30 points pls help
gayaneshka [121]

Step-by-step explanation:

Pathagory and Theorem

a^2+b^2=c^2

(x-3)^2+(x-4)^2=6^2

expand:

2x^2-14x+25=36

2x^2-14x-11=0

x=(\sqrt{71}+7)/2

perimeter=(x-3)+(x-4)+6=2x-1

insert the value for x into 2x-1

\sqrt{71}+6=perimeter

Hope that helps :)

7 0
3 years ago
Read 2 more answers
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