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AlexFokin [52]
3 years ago
12

Solve 2/x+12/x=7 A. 2 B.-2 C. 28 D.-28

Mathematics
1 answer:
Juliette [100K]3 years ago
3 0

\frac{2}{x}+\frac{12}{x}=7\\\frac{2+12}{x}=7\\\frac{14}{x}=7\\14=7x\\\frac{14}{7}=x\\x=\frac{14}{7}\\x=2

The answer is A. 2

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2√15 =√15/3 = 5<br> IS THIS STATEMENT CORRECT <br> PLS EXPLAIN WITH CORRECT ONE
shepuryov [24]

Answer:

2√15=2√5*3

√15/3=√5

5 is not equal to root 5,2√15 is not equal to 5 either

7 0
4 years ago
Mai has picked 1 cup of strawberries for a cake which is enough for 3/4 of the cake. How many cups does she need for the whole c
Vaselesa [24]

Answer:Mai has picked 1 cup of strawberries for a cake which is enough for 3/4 of the cake. How many cups does she need for the whole cake?

Step-by-step explanation:

5 0
4 years ago
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What is 20 10 times as much as?
nikdorinn [45]

answer

the answer is 200

5 0
3 years ago
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Write a number sentence to add 6 ones to 21.Write number sentence to add 6 tens to 21
Semenov [28]
I do suppose that you refer to adding these quantities:
6/1 + 21 = 6 + 21 = 27
<span>and
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</span>= 3/5 + 21
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8 0
4 years ago
P
beks73 [17]

Answer:

The required equation is D=0.5(4)

Step-by-step explanation:

Consider the provided information.

Student on the cross-country team runs 30 minutes a day as a part of her training,

30 minutes = 0.5 hours

As we know Speed=\frac{Distance}{Time}

Let the distance she runs in miles, is represented by D, and her running speed, in miles per hour is represented by S.

Therefore, the required equation is: S=\frac{D}{0.5}

Part (A) At a constant speed of 4 miles per hour for the entire 30 minutes​.

Substitute S=4 in above equation.

4=\frac{D}{0.5}

D=0.5(4)

D=2

Hence, the required equation is D=0.5(4)

7 0
4 years ago
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