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Black_prince [1.1K]
3 years ago
14

30 points for whoever gets it right! !!

Mathematics
1 answer:
kramer3 years ago
6 0
3)
GCF of 18 and 22 is 2
GCF of 25 and 50 is 25
GCF of 54 and 36 is 18
GCF of 40 and 8 is 8
GCF of 16 and 24 is 8
4) 
GCF of 10 and 15 is 5
GCF of 24 and 30 is 6
GCF of 8 and 10 is 2
GCF of 5 and 24 is 1
GCF of 24 and 40 is 8
5)
GCF of 8 and 12 is 4
GCF of 15 and 4 is 1
GCF of 20 and 4 is 4
GCF of 3 and 24 is 3
GCF of 12 and 4 is 4
6) 
GCF of 15 and 2 is 1
GCF of 12 and 30 is 6
GCF of 4 and 30 is 2
GCF of 6 and 40 is 2
GCF of 10 and 2 is 2
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What is 5x + 4x<br>and find the coefficient​
antoniya [11.8K]

Answer:

9x

9 is the coefficient

Step-by-step explanation:

5x + 4x

These are like terms (they both have the same variable (x))

5x + 4x = 9x

The coefficient is 9, since it's the number in front of a variable.

Hope this helped!

6 0
3 years ago
100 textbooks increased by 99%
Gala2k [10]
<span>100 textbooks increased by 99%

Do this:

First, make 99% a decimal, to do this, you must divide 99 by 100

you get 0.99

multiply 0.99 by 100

you get 99

then, add 99 to 100 and you get 199

so the total sum is 199!!


Hope this helped!
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5 0
3 years ago
The sum of the areas of two circles is 80 pie square meters. Find the length of a radius of each circle if one of them is twice
Svetach [21]

Answer:

The radius of the circles are 4\ m  and   8\ m

Step-by-step explanation:

Let

x-----> the radius of larger circle

y----> the radius of smaller circle

we know that

\pi x^{2} +\pi y^{2}=80\pi

x^{2} +y^{2}=80 -----> equation A

Remember that

x=2y -----> equation B

substitute equation B in equation A and solve for y

(2y)^{2} +y^{2}=80

4y^{2} +y^{2}=80

5y^{2}=80

y^{2}=16

y=4\ m

Find the value of x

x=2y

x=2(4)=8\ m

therefore

The radius of the circles are 4\ m  and   8\ m

4 0
3 years ago
Maisha has 3(x+2) hours reading a book 8x-5 hours sleeping and 2x hours playing.How many hours did she spend in all of these act
Mandarinka [93]
Add all the activities together

=3(x+2) + (8x-5) + 2x
multiply 3 by all in parentheses
=(3*x) + (3*2) + (8x-5) + 2x
=3x + 6 + 8x - 5 + 2x
combine like terms
=(3x + 8x + 2x) + (6 - 5)
=13x + 1

ANSWER: 13x + 1

Hope this helps! :)
6 0
3 years ago
50 POINTS!!!!! PLEASE WILL MARK BRAINLIEST
kirill [66]

Answer:

  • Q11 - 12 sides
  • Q12 - 10 sides

Step-by-step explanation:

<u>Use the formula for sum of interior angles of a regular polygon:</u>

  • S = 180(n - 2)

<u>Each angle A measures:</u>

  • S/n = 180(n - 2)/n
  • A = 180(n - 2)n
  • An = 180n - 360
  • (180 - A)n = 360
  • n = 360/(180 - A)
<h3>Question 11</h3>

<u>Each angle is 150, then finding n:</u>

  • n = 360/(180 - 150)
  • n = 360/30
  • n = 12
<h3>Question 12</h3>

<u>Each angle is 144, find n:</u>

  • n = 360/(180 - 144)
  • n = 360/36
  • n = 10
3 0
3 years ago
Read 2 more answers
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