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lions [1.4K]
2 years ago
7

!!20 POINTS!! Find the value of X. Round to the nearest tenth

Mathematics
1 answer:
USPshnik [31]2 years ago
7 0
The answer. Is 40 because remember the formula
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Explanation how solve step by step 2/7m-1/7=3/14
Drupady [299]

Answer:

m = 25/28

Step-by-step explanation:

It's best to enclose fractional coefficients inside parentheses to eliminate ambiquity:   2/7m-1/7=3/14 => (2/7(m - (1/7) = (3/14).

The LCD is 14; each of the denominators {7, 14} divides evenly into 14.  Hence our equation becomes

(4)(m - 1/7) = 3

... after multiplying every term by 14.

Let's multiply each side by 7 to eliminate the remaining fraction:

4(7m - 1) = 21, or

28m - 4 = 21, or

28m = 25.

Hence, m = 25/28.

8 0
3 years ago
What is the difference between "x times x"  and "x plus x"?
Mumz [18]
Well first off x times x is squaring whatever the number is while x plus x is just multiplying by 2
3 0
3 years ago
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At a boutique, a pair of flats cost the store $40 and is marked up 30% based on selling price. What is the selling price?
kicyunya [14]
40 x 30 percent = $52
6 0
2 years ago
Can some one please help me and explain how you got the answer?
podryga [215]

Answer:

Yes number 5 is, they are proportional because y is coresponding to x by multiplying by 1/5

No number 6 isn't, you can't go from 3 to 1 and 7 to 3

7 0
3 years ago
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Alec is doing a test of 50 questions. He gets 2 marks for every question that is correct, but loses 1 mark for every question th
slega [8]

Alec got 33 and a half questions correctly because he got one mark on the 34th Question

Step-by-step explanation:

50×2=100

100-67=33 and a half

4 0
3 years ago
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