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DaniilM [7]
3 years ago
14

The doctor tells Emily that she needs to exercise enough to burn at least 200 calories each day. She prefers kickboxing or swimm

ing. While kickboxing she burns 10 calories per minute, and while swimming she burns 7 calories per minute.
Mathematics
2 answers:
gladu [14]3 years ago
4 0

Answer: 10x+7y _>

200

Step-by-step explanation:

Leona [35]3 years ago
3 0

Answer:

Well, looks like kickboxing would be the best for Emily then!

Step-by-step explanation:

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Molly scored 86, 87, 93, and x
zmey [24]

Answer:

98

Step-by-step explanation:

Average is the sum of all data points divided the number of data points.

In this specific situation, the average test score, 91, is equal to the sum of Molly's four individual test scores divided by the number of test Molly had, 4.

(( 86 + 87  + 93  + x) / 4) = 91

86 + 87 + 93 + x = 91/4

86 + 87 + 93 + x = 364

x = 364 - 93 - 87 - 86 = 98

3 0
3 years ago
Nancy worked thirty-six and three-tenths hours each week How many hours did she work in forty-seven weeks
Annette [7]

Answer:

I believe the answer would be 1,706.1

Step-by-step explanation:

Since the problem is a fraction, it would be easier to covert it to a decimal. This is made simple since the fraction is out of ten. Now, the number should look like this: 36.3

Now let's do long division.

Now we have answer of 1706.1

We have one more step. Since there is one number behind the decimal point in 36.3, we have to put one number behind the decimal point in our answer.

As you can see in the last picture, we have 1,706.1.

I hope you understand after I have explained. If you have any other troubles, tell me.

7 0
3 years ago
Which net represents this solid figure?
Sever21 [200]

Answer:

bottom left corner

Step-by-step explanation:

hope this helps

3 0
4 years ago
Find the circumference of a circle with diameter, d = 23cm.<br>Give your answer in terms of pi​
laila [671]

Answer:

perimeter =

23\pi

Step-by-step explanation:

perimeter

  • = 2 × pi × radius
  • = diameter × pie ( 2 × radius )
  • = 23 × pi

=

23\pi

6 0
3 years ago
Use angle addition formula to find the expression for cos(a+b). Use the same formula to
Sav [38]

Answer:

we have

Cos (a+b)=Cos aCosb-SinaSinb

for

Cos (a+a)=Cos aCosa-SinaSina=<u>Cos²a-Sin²a</u>

is a required answer.

5 0
3 years ago
Read 2 more answers
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