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timama [110]
3 years ago
6

If x represents a number, then write an expression for three times the sum of x and 10

Mathematics
1 answer:
Amanda [17]3 years ago
4 0
The expression would be (x+10)3 or 3(x+10)
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I don’t really know where to start or the proper steps to use.
tangare [24]

What Math is this????

6 0
4 years ago
hiiii, i’m not good at this...at all so if you could please add in an explanation so i can understand better would be great!
aalyn [17]

Answer:

1. x=74

2. x=86

Step-by-step explanation:

1. the sum of interior angles in a triangle is 180 degrees

81 + 25 + x = 180

106 + x = 180

x = 74

2. once again the sum of interior angles in a triangle is 180 degrees so add up the terms and set them equal to 180

x + x-35 + 43 = 180

add up like terms (x and x, -35 and 43)

2x +8 = 180

2x = 172

x = 86

7 0
3 years ago
Craig and Tom, working together, can clean the house in 8 hrs, working alone, Tom takes four times as long as Craig, How long do
aksik [14]

Let x = Craig's time

Let y = Tom's time

Create a system of equations to solve this problem.

8 = x + y

y = 4x

Substitute 4x into the y variable in the first equation.

8 = x + 4x. Combine like terms

8 = 5x. Divide each side by 5.

1.6 = x

Craig takes 1.6 hours to clean the house

5 0
4 years ago
Read 2 more answers
I know the answer is 60 but how would I put it in words
saul85 [17]
it would be 60 then u find the factors to get to 60 and then after u find the factors that would be ur answer then u put sixty is the Lcm 
8 0
3 years ago
Which problem can be solved using 3x7=21 give me a example
Flauer [41]

Answer:

21/7= 3

Step-by-step explanation:


6 0
3 years ago
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