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timama [110]
3 years ago
5

Turn these phrases into algebraic expressions. (PLEASE HELP)

Mathematics
1 answer:
RideAnS [48]3 years ago
3 0

Answer:

2x + 5

5x - 7

5x - 2

2 - 7x

2 + 5x

Step-by-step explanation:

you can replace x with whatever variable you want :)

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There are 1200 students at a school and 390 of them are boys if each classroom holds 30 students how many classrooms are needed
vodomira [7]

Answer:

40 classrooms

Step-by-step explanation:

Divide 1200 by 30.

1200÷30=40

If 390 students are boys just subtract 390 from 1200.

1200-390= 810

There must be 810 girls if there are 390 boys

5 0
2 years ago
What is the slope- intercept form equation of the line that passes through (5, 7) and (8, 22)
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<span>using point (5, 7) </span>
<span>y - 7 = 5(x - 5) in point-slope form </span>
<span>y - 7 = 5x - 25 </span>
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3 years ago
The decibel level of sound in a quiet office is 10−6watts/m2.
Liono4ka [1.6K]
I don’t understand your question can you explain it more
4 0
3 years ago
The cost price was $10000 she made a down payment of 2500 and agreed to pay the balance in 24 monthly installments of $350 how m
Airida [17]

Answer:

in total she spent 10900

Step-by-step explanation:

We know she made a down payment of 2500 dollars and she agreed to pay the balance in 24 monthly installments of 350 dollars. Thus we can do simple multiplying of 24 x 350 which gives us 8400. We also need to add in her down payment which is 2500 so in total we got 10900

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Find the sum of the first 8 terms in the following geometric series.
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Step-by-step explanation:

5 0
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