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3 years ago

10

Write each phrase as an algebraic expression

1 answer:

Pepsi [2]3 years ago

5 0

5. x/15=n the quotient of a number

8. 8*x+3 3 plus the product of a number and 8

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If you add the digits in a two-digit number and multiply the sum by 7, you get the original number. If you reverse the digits in

kolbaska11 [484]

The answer is A. 42

Solution:
Let x= ones digit, y=tens digit

1st condition (original number) : 7(x+y)=10y + x
2nd condition (new number by reversing the digits): 18+x+y=10x+y

simplifying:
1st condition: 6x=3y
2nd condition: x=2
substituting x=2 to 6x=3y
<span>y=4</span>

3 0

3 years ago

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Six is fifteen less than three time a number

Lemur [1.5K]

Answer:

3x-15=6

Step-by-step explanation:

3 0

3 years ago

What number should be added to both sides of the following equation to solve for x?

son4ous [18]

Answer:

7 is your answer

Step-by-step explanation:

Hope that helps you

5 0

3 years ago

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Help ASAP!!! 3/8 of the seventh grade students were taking Advanced math at the beginning of the year, but Seven dropped out by

Rashid [163]

Answer:

There are 392 students in the seventh grade.

Step-by-step explanation:

Let us assume that there are x number of students in the seventh grade.

Now, 3/8 of the seventh grade students were taking Advanced math at the beginning of the year, but seven dropped out by the end of the year.

So, after the end of the year there were $(\frac{3}{8}x - 7)$ number of students taking advanced math.

So, as per given condition, $(\frac{3}{8}x - 7) = 140$

⇒ $\frac{3}{8}x = 147$

⇒ x = 392

Therefore, there are 392 students in the seventh grade. (Answer)

8 0

2 years ago

PLEASE HELP WILL GIVE POINTS ABD BRAINLYIST ASAP

fiasKO [112]

Answer:

6

Step-by-step explanation:

2.5x6=15 and thats the closest it'll get. To be exact, it's 6.2, but i dont know if you need that.

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2 years ago

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