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arsen [322]
4 years ago
9

7=PRIZE

Mathematics
1 answer:
brilliants [131]4 years ago
5 0
40% * 15 = 0.4*15=6

No, 6 shots is not enough for a prize.


?*15=7

?= 7/15
      = about 0.467

The answer is 46.7%

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Debra start a babysitting business. She purchased toys, snacks, and other supplies. She charged an hourly rate for each child. T
Ghella [55]

Answer:

A. 6y

Step-by-step explanation:

The profit formula is: total earnings- total expenses. In this case the 145 has a minus sign, which indicates that these are Debra's total expenses. Then, 6y represents total revenue. You can also identify that this is the answer because revenues depend on babysitting hours, which in this case, is represented by the variable "y".

8 0
3 years ago
Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many s
leva [86]
Z score = 66 - 76
               ----------  = - 1
                   10 

from the tables of normal distribution  this corresponds to 0.34-3 of the area under the normal curve 
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3 0
4 years ago
Read 2 more answers
Describe two ways to solve the equation 2(4x-11)=10
shtirl [24]
2(4x-11) = 10

On dividing 2 on both sides

\frac{2(4x-11)}{2} =  \frac{10}{2}

4x-11 = 5

On Adding 11 on both sides:

4x-11+11 = 11+5

4x = 16

On dividing both side by 4

\frac{4x}{4}  =  \frac{16}{4}

x = 4

Second way is:

We can use distributive property as

2(4x-11) = 10

2*4x- 2*11 = 10

8x - 22 = 10

On Adding 22 on both side

8x - 22+22 = 10+22

8x = 32

On dividing both side by 8

\frac{8x}{8}  =  \frac{32}{8}

x = 4
6 0
3 years ago
Determine of 10% of 300.<br><br> using a double number line
Sphinxa [80]

Answer:

100%     -     300

------------------------

10%      -      x

100x=300*10\\100x=3000\\x=\frac{3000}{100}\\x=30

6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (8,8) and (20,-2)?
vesna_86 [32]

Answer: Slope = -5/6

Step-by-step explanation:

(y1-y2) / (x1-x2)

(-2-8) / (20-8)

-10/12

-5/6

Hope this helps!

6 0
3 years ago
Read 2 more answers
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