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svp [43]
2 years ago
10

A circle has an area of 49•3.14 square units. What is the diameter of the circle?

Mathematics
1 answer:
RideAnS [48]2 years ago
5 0
The diameter of the circle is:
14
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Can someone help me on this?!
umka21 [38]

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Answer:

  D.  3 to 4

Step-by-step explanation:

The ratio ...

  blueberries : strawberries = (1/2) : (2/3)

can be changed to a ratio of integer by multiplying by the least common denominator: 6.

  = 6(1/2) : 6(2/3) = 3 : 4

7 0
2 years ago
How do I correctly do this?
kiruha [24]

Answer:

you put a curcle on positive two and then make a line and move it backwards, towards the negativs.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Assume that the cheetah travels an average of 40 mph to go from its resting place to a rock near a river. On the return trip to
Ronch [10]

Answer:

The return trip take 5 minutes 27 seconds

Step-by-step explanation:

Let

x -----> the time it take the cheetah travels to go from its resting place to a rock near a river in hours

y ----> the time it take the cheetah the return trip to its resting place in hours

we know that

The distance from its resting place to a rock near a river is the same that the return trip

The average speed multiplied by the time is equal to distance

so

The total time is 15 minutes

Convert to hours

15 min=15/60 hours

x+y=(15/60)

x+y=1/4

4x+4y=1 -----> equation A

40x=70y ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point ( 0.1591,0.0909)

see the attached figure

The time it take the cheetah travels to go from its resting place to a rock near a river is 0.1591 hours

The time it take the cheetah the return trip to its resting place is 0.0909 hours

Convert to minutes and seconds

0.0909 hours=0.0909(60)=5.454 minutes

o.454 minutes=0.454(6)=27.24 seconds

therefore

The return trip take 5 minutes 27 seconds

<u><em>To the river</em></u>

The time it take the cheetah travels to go from its resting place to a rock near a river is 0.1591 hours

The rate is 40 mph

To find out the distance multiply the average rate by the time

<em>Find out the distances</em>

The distance from its resting place to a rock near a river is

d_1=40x=40(0.1591)=6.36\ miles

<u><em>From the river</em></u>

The time it take the cheetah the return trip to its resting place is 0.0909 hours

The rate is 70 mph

To find out the distance multiply the average rate by the time

<em>Find out the distances</em>

The distance of the return trip is

d_2=70x=70(0.0909)=6.36\ miles

Both distances are the same

8 0
2 years ago
(A+B)^2=hihihihihihihi
Ivahew [28]

Answer:

(a  + b) {}^{2}  = a {}^{2}  + 2ab  + b {}^{2}

Hope helpful <3 xD

6 0
2 years ago
PLSS HELP ME I DONT KNOW THIS SO PLSSS!!
vaieri [72.5K]

Answer:

Mean-6.3 (3 repeating)

Median-5

Mode-1

Step-by-step explanation:

Mean-Add all numbers together and divide by 12 (because is 12 numbers)

Median- List numbers From least to greatest and cross one off of each end until you meet in the middle

Mode- find the number that occurs the most

3 0
3 years ago
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