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Musya8 [376]
3 years ago
9

Type the expression that results from the following series of steps:

Mathematics
1 answer:
Sati [7]3 years ago
5 0

Answer:

Step-by-step explanation:

Given

x times by 9

Required

Write out an algebraic expression for the above.

Follow the instructions below to get the algebraic expression of the above.

1. First, write out the variable: x

2. Then write out an expression for "times by 9". This means multiply x by 9.

So, this gives x * 9.

x * 9 = 9x.

Hence, the expression for the above question is 9x

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How do you solve -3(2/5x-2)=18
stira [4]

-3(2/5x-2)=18

multiply -3 by 2/5 and my -2

-6/5x + 6 = 18

subtract 6 from each side

-6/5x = 12

divide by -6/5, multiply 12 by -5/6

x = -10

4 0
3 years ago
the measure of the seven angles in a nonagon measure 138, 154, 145, 132, 128, 147 and 130. if the two remaining angles are equal
mars1129 [50]
A polygon is any figure sided with three sides and above such that triangle (3) is the smallest polygon. A nonagon is a polygon with 9 sides. To get the sum of interior angles of a polygon we use the formula;
(n-2) 180 or (n-4)90 where n is the number of sides.
Therefore, for a nonagon the sum of interior angles = (9-2) 180 = 1260 degrees
If we add all the angles we should get 1260, considering the remaining angles to be each x
Thus 138+154 +145 +132 +128 +147 +130 + x +x =1260
                             = 974 + 2x = 1260
                             = 2x = 286
                             = 143
 therefore, each of the other angles was 143 
5 0
3 years ago
Why does the square root of 3 x the square root of 3 = 3?
stealth61 [152]

Answer: the square root of 3 is: (a number) times ITSELF is equal to 3. Therefore, if you multiply that number times that number again, it is equal to 3.

Ex1- sqrt of 4 times the sqrt of 4 —> 2 times 2 which is 4

Ex2- sqrt of 9 times the sqrt of 9 —> 3 times 3 which is 9

5 0
3 years ago
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What's the sqaure root of 4/49
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Your Answer is 2/7. I hope this helped
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