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Temka [501]
2 years ago
15

Three times the sum of seven and a number:

Mathematics
2 answers:
sashaice [31]2 years ago
3 0

Answer:

7× • 3

Step-by-step explanation:

This might be the answer

Strike441 [17]2 years ago
3 0
7 +(x) x 3 this is what it sounds like.
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How many times greater is 70 million than 7 million
Dahasolnce [82]

For this case we have the following expressions:

70,000,000

7,000,000

If we divide the first expression by the second we have:

\frac {70,000,000} {7,000,000} = 10

Thus, we have that the first expression is 10 times greater than the second expression.

Answer:

70,000,000 is 10 times greater than 7,000,000

6 0
3 years ago
A ticket to a museum costs $8. A ticket to the dinosaur exhibit costs $5. The expression 8n+5n represents the cost in dollars fo
julia-pushkina [17]
The equation which represents the people that want to visit the museum and the exhibit is 8n+5n.
As you can see, the variable n is present in both terms 8n and 5n of the equation, so we can now factor the equation. You create parenthesis in which you put inside 8+5 and then you throw the variable n outside the parenthesis, and you get at last:
8n + 5n = (8+5)n

Hope this helps! :D
6 0
3 years ago
Read 2 more answers
Solve for<br> a. 7a-2b = 5a+b
Stels [109]
<span>So we have a problem with two unknows and one equation. We have to express one over the other like this: 7a - 2b = 5a + b. First we separate one kind on the left side and the other kind on the right side: 7a - 5a = b + 2b. Then: 2a = 3b. Now we divide both sides by 2 and get: a= 3b/2.</span>
6 0
3 years ago
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What is the following product?
umka21 [38]

Answer:

10 sqrt 3.

Step-by-step explanation:

sqrt30 = sqrt10 * sqrt 3

so sqrt30 * sqrt10

= sqrt10 * sqrt10 * sqrt3

= 10 sqrt 3.

5 0
3 years ago
A small company did an analysis of their pay scale versus years of experience and found that the line of best fit was y=2035.6x
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X stands for the number of years experience . y = 36000 when x = 0 years experience, so the 36000 is the starting salary for a new employee.
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3 years ago
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