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Tpy6a [65]
3 years ago
8

How to solve it and what the answer is

Mathematics
2 answers:
Fofino [41]3 years ago
8 0
7/4  and  3/2 = 21/ 8 ???
i think
Katen [24]3 years ago
8 0
1 3/4 is equal to 7/4 because 4×1 is 4 and 4+3 is 7. (denominator × whole number then that product + numerator. put that over the current denominator to get your improper fraction) then multiply that by the other fraction to get your answer. it is 21/8
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A car travels at a speed of 55 kilometers per hour.Find the distance travelled by the car in 12 minutes and 30 seconds.Find the
never [62]

Answer:

Step-by-step explanation:

(distance) d = (speed) s * t (time)

                    = 55km/h * 12.30m/s

                    = 11.275 km

                    = 11.275 * 1000

                    = 11275m

4 0
3 years ago
Ayudaaa es urgente por favor :(
rjkz [21]
3 /24 porque es 1/12
7 0
3 years ago
Can someone help me please!!​
Lynna [10]

Answer:

b because the value are correct

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
In 4 years, sravani will be 3 times as old as Makayla is currently. three years ago, sravani was 4 times as old as Makayla was t
77julia77 [94]
X - Sravani
y - Makayala

x+4=3y\\
x-3=4(y-3)\\\\
x=3y-4\\
x=4y-12+3\\\\
x=3y-4\\
x=4y-9\\\\
3y-4=4y-9\\
4y-3y=-4+9\\
y=5\\\\
x=3\cdot5-4\\
x=15-4\\
x=11

Sravani - 11
Makayla - 5
3 0
3 years ago
Find the ratio of the volume of one sphere to the volume of the right cylinder
yarga [219]

Answer:

B


Step-by-step explanation:

<em>Let r be the radius of one sphere.</em>

  • Volume of sphere is V=\frac{4}{3}\pi r^3

Since radius is r,  the height of the cylinder will be 4r

Also, the cylinder has the same radius as the sphere: r


  • Volume of Cylinder is V=\pi r^2 h

Plugging in the values we get: V=\pi (r)^{2}(4r)=4\pi r^3


<u>Ratio of volume of 1 sphere to volume of cylinder is</u>:

\frac{\frac{4}{3}\pi r^3}{4\pi r^3}=\frac{\frac{4}{3}}{4}=\frac{4}{3}*\frac{1}{4}=\frac{1}{3}

The ratio is 1:3

Answer choice B is right.

5 0
3 years ago
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