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olga2289 [7]
3 years ago
15

What is the algebraic expression for "the difference between seven times a number and three times that number"? 7 - 3 x 7 x - 3

7 x - 3 x
Mathematics
2 answers:
DedPeter [7]3 years ago
8 0
7x-3x is prob the answer
Vika [28.1K]3 years ago
3 0
The answer would be 7n - 3n. Please mark brainliest. Btw if it's a multi-choice question, post the answers one at a time below.
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2 years ago
The 5 players on the basketball team have a mean height of 141 cm. The heights of 4 of the players are listed below. The height
joja [24]

\frac{137+150+144+149+x}{5} =141

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7 0
3 years ago
I am having trouble<br> 2(10-13x)=-34x+60
morpeh [17]
<span>Simplifying 2(10 + -13x) = -34x + 60
(10 * 2 + -13x * 2) = -34x + 60
(20 + -26x) = -34x + 60
 Reorder the terms: 20 + -26x = 60 + -34x
 Solving 20 + -26x = 60 + -34x
 Solving for variable 'x'.
 Move all terms containing x to the left, all other terms to the right.
 Add '34x' to each side of the equation. 20 + -26x + 34x = 60 + -34x + 34x
 Combine like terms: -26x + 34x = 8x 20 + 8x = 60 + -34x + 34x
 Combine like terms: -34x + 34x = 0 20 + 8x = 60 + 0 20 + 8x = 60
Add '-20' to each side of the equation. 20 + -20 + 8x = 60 + -20
 Combine like terms: 20 + -20 = 0 0 + 8x = 60 + -20 8x = 60 + -20
 Combine like terms: 60 + -20 = 40 8x = 40
 Divide each side by '8'. x = 5
 Simplifying x = 5</span>
7 0
3 years ago
Two fair six-sided dice are rolled. What is the probability that the sum of the numbers rolled is either 7 or 11?
Llana [10]
There is 36 ways the dice come up, 6 for each dice. thats 8/36 or 2/9. :)

8 0
3 years ago
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