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Mice21 [21]
3 years ago
12

Evaluate 9f when f = 7. a 54 b 63 c 112 d 16

Mathematics
1 answer:
Allisa [31]3 years ago
3 0

Answer:

Your answer would be B.63

Step-by-step explanation:

Because when 7 is substituted for F then you will get 9(7) which equals 63

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I need help please.....
arlik [135]

Answer:

I am pretty sure the answer is 498.  

Step-by-step explanation:

You have to solve the parentheses first.  So,

9(7      (14-6)      -3 x 2)  

63         (8)             -6)

63(8)-6

63(8) = 504

504-6 = 498

please let me know f this is correct :)

4 0
3 years ago
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Given a regular decagon, find the measures of the angles formed by (
Sonja [21]
A decagon has 10 sides (think decade and decathlon). From the center of the decagon we draw the radii and in doing so we take the area of the decagon and divide it into 10 congruent Triangles.

The angles around the center add up to 360 because they form a circle and since there are 10, they each measure 36 degrees. So the answer to the first part (the angle between the radii) is 36 degrees.

Each of these triangles has two equal sides (both radii) so is Isosceles. That means that the base angles are congruent. So the two angles that are left in each triangle must measure the same. Since the angles in a triangle add up to 180 degrees, we know that the two remaining angles are together equal to 180-36=144 degrees. Since they are equal in measure they each measure 72 degrees.

Thus the answer to the second part, trhe measure of the angle between a radius and the side of the polygon is 72 degrees.




3 0
3 years ago
Pls send help if i get it right you get brainliest
Goshia [24]

I think the top right 1 is linear

Top left is neither and bottom is exponential

6 0
3 years ago
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PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!
Harrizon [31]
180-53 is 127 angle 6 and 3 would be the same so your answer is 127
3 0
2 years ago
What is the sum of 1/9, 2/3, and 5/18?<br> A. 19/18<br> B.4/15<br> C. 12/9<br> D. 8/20
kari74 [83]

Answer:

19/18

Step-by-step explanation:

The GCF of 9, 3, and 18 is 18.

Each denominator must be multiplied to 18, and as a result what you multiply in the denominator MUST be multiplied in the numerator.

9 * 2 = 18

1 * 2 = 2

2/18

3 * 6 = 18

6 * 2 = 12

12/18

5/18

Add all three fractions together:

12/18 + 5/18 + 2/18 = 19/18

8 0
3 years ago
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