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Ganezh [65]
3 years ago
8

If 3/x= 4/5, then what is the value of x? A. 12/5 B. 1/5 C. 15/4 D. 19/5 E.3

Mathematics
1 answer:
gladu [14]3 years ago
7 0

Answer:

C

Step-by-step explanation:

\frac{3}{x}=\frac{4}{5}\\

Cross multiply,

3*5 = 4*x

15 = 4x

4x = 15            {Divide both sides by 4}

x=\frac{15}{4}\\\\

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Irina18 [472]
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Speed with current = 120 miles /5 hours = 24 miles / hour.

Speed of boat in still water = (20+24)/2 = 22 miles / hour
6 0
3 years ago
5/6*2/3<br> 9/10*5/18<br> 4/5*3/4<br> 2/3*5/1
zalisa [80]

To multiply fractions, you multiply numerator with numerator and denominator with denominator

In other words: a/b*c/d=(a*c)/(b*d)

So 1st one is (5*2)/(6*3) which is 10/18 or 5/9 simplified

2nd one is (9*5)/(10*18) which is 45/180 or 1/4 simplified

3rd one is (4*3)/(5*4) which is 12/20 or 3/5 simplified

4th one is (2*5)/(3*1) which is 10/3 or 3 1/3 if you want a mixed number

Hope this helped!

5 0
3 years ago
Read 2 more answers
Find c. Determine it from the choices below.
Kobotan [32]

Answer:

12 centimeters

Step-by-step explanation:

The triangle is half of an equilateral one. So the hypotenuse is double the minor leg

12 centimetres

3 0
3 years ago
If 1 yard = 3 feet and 1 mile = 5,280 feet, how many yards are there in 1miles?
slavikrds [6]

1 yard = 3 feet

1 mile = 5,280 feet

So, 1 mile = 5,280/3 yards = 1760 yards

8 0
3 years ago
There were 10 bunches of roses and tulips. Each bunch had 5 of the same flowers. There were 2 more bunches of tulips than roses.
Leviafan [203]

Answer:

I think the answer is 12 (sorry if i misunderstood the question)

Step-by-step explanation:

Because if there are 10 things of roses and tulips and then 2 more tulips are added in the question in total thats 12.... 10+2=12

6 0
3 years ago
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