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madreJ [45]
3 years ago
5

Does rebecca burn more than 400 calories per hour?Explain

Mathematics
1 answer:
ivann1987 [24]3 years ago
5 0
               t = 30a  +  150 . 

' t ' is the total cost of treatment. 
' a ' is the number of appointments. 
The $150 is paid only once. 

I hope Pedro gets better fast.  Poor little guy.
______________________________________

Oh, I see.
Now you're saying that she pays the $150 at every appointment.

So the equation is actually

                         <span>t = 180a</span>

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Iteru [2.4K]

Answer:

Answer is option c)20

Step-by-step explanation:

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0.645 hm=<br> cm<br> Convert
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Step-by-step explanation:

5 0
4 years ago
I will give Brainliest AND a Cookie!
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3 0
3 years ago
A bag of marbles contains three blue,one black,and four yellow marbles.If two marbles are chosen at random without replacement,w
kolezko [41]

The probability that both marbles chosen from the bag will be yellow is 3/14.

<h3>What is the probability?</h3>

Probability determines the odds that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that both marbles chosen from the bag will be yellow = (number of yellow marbles / total number of marbles) x (number of yellow marbles - 1/ total number of marbles - 1)

4/8 x 3/7 = 3/14

To learn more about probability, please check: brainly.com/question/13234031

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3 0
2 years ago
A bag contains 10 blue, 6 green, and 4 red marbles. You choose one marble. Without putting it back, you choose a second marble.
gizmo_the_mogwai [7]

Answer:

\frac{3}{19}

Step-by-step explanation:

Given :

A bag contains 10 blue, 6 green, and 4 red marbles.

You choose one marble. Without putting it back, you choose a second marble.

To Find: What is the probability that you first choose a green marble and then a blue marble?

Solution:

No. of blue balls = 10

No. of green balls =6

No. of red marbles =4

Total no. of marbles = 10+6+4 =20

Since we are given that first he choose a green marble

So, probability of getting green marble :

\frac{\text{No. of green marbles}}{\text{total no. of marbles}}

= \frac{6}{20}

Since he choose second marble without replacement

So, after choosing first ball . The total no. of balls will be 19

So, Probability of getting blue marble in second draw :

\frac{\text{No. of blue marbles}}{\text{total no. of marbles}}

= \frac{10}{19}

The probability that you first choose a green marble and then a blue marble:

=\frac{6}{20}*\frac{10}{19}

=\frac{3}{19}

Hence the probability that you first choose a green marble and then a blue marble is  \frac{3}{19}

8 0
4 years ago
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