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Artist 52 [7]
3 years ago
11

How do I find the value of x?

Mathematics
1 answer:
nadezda [96]3 years ago
4 0
S = (n-2) x 180 to find the total angles.
5-2*180
3*180
540
540-86-140-138-59=117
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A water tower that is 132 feet tall casts a 48-foot long shadow. If Shannon is 1 point
MariettaO [177]

Answer:

2.03 ft

Step-by-step explanation:

132 divided by 48 is 2.75 and 5.6 divided by 2.75 is 2.03

6 0
3 years ago
A number exceeds its four-sevenths by 18. Find the number.
Andru [333]

Answer:

42

Step-by-step explanation:

let the number be x

4/7 of x

(4/7) × x

4x/7

As stated in the question:

x=4x/7+18

=x-4x/7=18

=(7x-4x)/7=18

=3x/7=18

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5 0
2 years ago
The average of the first five multiple of 7 is
Black_prince [1.1K]

Answer:

b. 21

Step-by-step explanation:

The first five mutiples of 7 are:<em> 7, 14, 21, 28, 35. </em>You can get these by multiplying 7 to any integer.

  • 7x1 = 7
  • 7x2 = 14
  • 7x3 = 21
  • 7x4 = 28
  • 7x5 = 35

In order to get the average of these numbers, you have to add them and divide the sum to the total number of multiples.

Let's add first.

7+14+21+28+35 = 105

Let's divided 105 by 5, which is the number of the multiples of 7.

105÷5 = 21

<em>The answer is 21.</em>

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3 years ago
Find the range of f in given ordered pair f(X)=8x-9,D={4,5,6}. plz. help fasttt plspls<br>​
Phantasy [73]

Answer:

f(2) = -2 + 12 = 10 so the ordered pair is (-2, 10).

6 0
3 years ago
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