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Alborosie
3 years ago
12

Donna has 6 hours to spend training for an upcoming race,she completes her training by running full speed the distance of the ra

ce and walking back the same distance to cool down. If she runs at a speed of 10 mph and walks at a speed of 2 mph, how long should she plan to spend walking back
Mathematics
1 answer:
LekaFEV [45]3 years ago
3 0
I'm sorry but I dont know
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In Amy’s backyard, there are also chickens and rabbits. There are 5 more chickens than rabbits. The total number of legs is 130.
Butoxors [25]

Answer:

There are 25 chickens and 20 rabbits

Step-by-step explanation:

Let

x-----> the number of chickens

y ----> the number of rabbits

Remember that

1 chicken has two legs

1 rabbit has four legs

so

2x+4y=130 -------> equation A

x=y+5 -----> equation B

Substitute equation B in equation A and solve for y

2(y+5)+4y=130

2y+10+4y=130

6y=120

y=20 rabbits

Find the value of x

x=y+5

x=20+5=25 chickens

3 0
3 years ago
Help!!! Quick answer please!
olga_2 [115]

Answer:

18 sq ft

Step-by-step explanation: all you have to do is add the sides. 5+5=10

4+4= 8

10+8=18

This makes the most sense with the answers givin

3 0
3 years ago
HELP HELP PLEASE IM BEGGING YOUUU
Alexandra [31]

Answer:

Area=615.75

Step-by-step explanation:

A=πr2

Seriously I have helped you twice in 5 minutes.

8 0
3 years ago
Mikaela travels 15 blocks on her skateboard in 5 minutes. At this speed, how many blocks can she travel on her skateboard in 12
Alchen [17]

Answer:

36 blocks.

Step-by-step explanation:

We have been given that Mikaela travels 15 blocks on her skateboard in 5 minutes. We are asked to find the number of blocks that she can travel on her skateboard in 12 minutes.

We will use proportions to solve our given problem.

\frac{\text{Blocks traveled}}{\text{Time taken}}=\frac{15}{5}

\frac{\text{Blocks traveled}}{12}=\frac{15}{5}

\frac{\text{Blocks traveled}}{12}\times12=\frac{15}{5}\times12

\text{Blocks traveled}=3\times12

\text{Blocks traveled}=36

Therefore, Mikaela will travel 36 blocks on her skateboard in 12 minutes.

3 0
3 years ago
Read 2 more answers
20 points. Find the surface area of the rectangular prism.
neonofarm [45]

Answer:

60

Step-by-step explanation:

4 times 3 = 12     12 times 5 =60

7 0
3 years ago
Read 2 more answers
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