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taurus [48]
3 years ago
7

Please give me the answer

Mathematics
2 answers:
Charra [1.4K]3 years ago
7 0

Answer:

13.9

Step-by-step explanation:

To find the mean, add the two numbers and divide by two.

(13.9+13.9)/2=13.9

Airida [17]3 years ago
5 0

Answer:

13.9

Step-by-step explanation:

Mean is total (sum) divided by number of values

Mean = sum/num

mean1 = 13.9 = sum1/10

sum1 = 10 x 13.9 = 139

mean2 = 13.9 = sum2/11

sum2 = 11 x 13.9 = 152.9

Total mean = total sum/total num

total sum = 139 + 152.9 = 291.9

total num = 21

291.9/21 = 13.9

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Craig’s Kimbrell of the Atlanta braves, can throw his fast ball at 102 miles per hour. Convert this rate to feet per second
omeli [17]
Firstly, you change it to miles per second and then to feet
102miles per hour(60×60s)
102 per 120s
Divide
102÷120
=0.85miles per second
Convert to feet
=4488 feet per second
6 0
3 years ago
A person invested $6,000, some at 7% and the rest at 5%. The income from the 7% investment is equal to the income from the 5% in
8090 [49]

Answer:

The person invested $3500 at 7% and $2500 at 5%

Step-by-step explanation:

We can say that 0,07x+0,05x=6000 because the investment is equal both in one as in another, where x is the income from the investment.

Solving the equation we have:

0,12x=6000\\x=50000

Then to get the incomes:

At 7%: I=0.07*50000\\I=$3500

And at 5%: I=0.05*50000\\I=$2500

Finally we can demonstrate the answer because the  income at 7% + income at 5% are 3500+2500=$6000

6 0
3 years ago
(a) Solve the following formula for b.
pav-90 [236]

Answer:

J Trump has to be a great day of school and I have a great

Step-by-step explanation:

you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you for your loss of school and I have a great day of school ii

5 0
2 years ago
Please need help I will be MARKING as BRIANILIST. thank you so much. ​​
ryzh [129]

Answer:

C

Step-by-step explanation:

I am guessing that's it.

8 0
3 years ago
Read 2 more answers
I really don’t understand what the questions asking? How do I solve this
Eddi Din [679]

Answer:

$17.85

Step-by-step explanation:

Let the dollar amount per shirt be represented by s.

Let the dollar amount per pants be represented by p.

You have the following system:

3s+2p=104.81

2s+1p=61.33

If I multiply the bottom equation by -2, I can set the system up for elimination since the equations are already and the same form and I will have 2p and -2p in the same column there.  2p+(-2p)=0

Multiplying equation 2 by -2:

3s+2p=104.81

-4s-2p=-122.66

-----------------------Add the equations:

-1s      =-17.85

Multiply both sides by -1:

s=17.85

So one shirt cost $17.85

5 0
3 years ago
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