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navik [9.2K]
3 years ago
9

If x = 10 when y = 320 then what is y then x is 1/2?

Mathematics
1 answer:
miv72 [106K]3 years ago
4 0

Answer:

y = 16

Step-by-step explanation:

if x =10 then y =320

that means y= 32x

so if x = 1/2

y = 32*1/2

y= 16

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0.751 as a percentage
tresset_1 [31]
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your answer is 

<em><u>75.1%</u></em>
7 0
3 years ago
Billy spent $30 on a T-shirt a sandwich and two books the T-shirt cost $8.95 in the sandwich cost $7.25 the books each cost the
saul85 [17]
To find out how much each book cost first we will subract to find out how many 2 books cost. Then we will divide. last but not least we will check our wok. Lets do it:- 

30 - 8.95 = <span>21.05
</span><span>21.05 - 7.25 = 13.80
</span>
CHECK OUR WORK:-

13.80 + 7.25 = 21.05
21.05 + 8.95 = 30
We were RIGHT!!!

Now lets divide:-

13.80 ÷ 2 = 6.90
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CHECK OUR WORK:-

6.90 × 2 = 13.80
We were RIGHT!!!!

So, 1 book costs $6.90.

Hope i helped ya!! 
5 0
3 years ago
Read 2 more answers
1-x-5x=8x-5<br> Show your work
nataly862011 [7]

Answer:

13

Step-by-step explanation:

its 13 calculator

4 0
3 years ago
Read 2 more answers
S19for 11 + 19 + 27 + 35 +...
MrRissso [65]

8 is the answer because it goes 11 and if you add 8 it becomes 19 add 8 it becomes 27 add 8 35 add 8 43

3 0
3 years ago
n a survey of 331 customers, 66 say that service is poor. You select two customers without replacement to get more information o
yaroslaw [1]

Answer:

3.93% probability that both say service is poor

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The customers are chosen without replacement, and the order in which they are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

What is the probability that both say service is poor?

Desired outcomes:

Two saying it is poor, from a set of 66. So

D = C_{66,2} = \frac{66!}{2!(66-2)!} = 2145

Total outcomes:

Two customers from a set of 331. So

T = C_{331,2} = \frac{331!}{2!(331-2)!} = 54615

Probability:

p = \frac{D}{T} = \frac{2145}{54615} = 0.0393

3.93% probability that both say service is poor

4 0
3 years ago
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