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Korolek [52]
3 years ago
6

Write the number in exponential notation:

Mathematics
1 answer:
Whitepunk [10]3 years ago
6 0

Answer:

2^5*3^2*5^3

Step-by-step explanation:

Count them

2^5*3^2*5^3

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10. A video rental store charges a $20 membership fee and $2.50 for each video
Pavel [41]
Y= 2.50(x) + $20 is the linear equation

If 15 videos are rented
Y=2.50(15) + $20
Y= $57.50

67.50 = 2.50(x) + 20
19= x
19 videos were rented in 3 months
8 0
3 years ago
Half the difference between two numbers is 2. The sum of the
leva [86]

Answer:

as below

Step-by-step explanation:

1st  the difference is 4  b/c half of 4 = 2

and

2*smaller +greater = 13

so check out small number that are 4 apart.. like 2 and 6

2(2)+6 =10

2(3) +7 = 13  aahh hah..  that's it

3 and 7 are the numbers being hunted :P

5 0
2 years ago
3 over 8 multiplied by 10 over 9 multiplied by 16
Gnom [1K]

Answer:

20/3

Step-by-step explanation:

(3/8)*(10/9)*16

This is 30/72 = 5/12

5/12*16=20/3

7 0
1 year ago
Read 2 more answers
A random sample of 85 group leaders, supervisors, and similar personnel at General Motors revealed that, on average, they spent
andreyandreev [35.5K]

Answer:

Step-by-step explanation:

From the information given,

Number of personnel sampled, n = 85

Mean or average = 6.5

Standard deviation of the sample = 1.7

We want to determine the confidence interval for the mean number of years that personnel spent in a particular job before being promoted.

For a 95% confidence interval, the confidence level is 1.96. This is the z value and it is determined from the normal distribution table. We will apply the following formula to determine the confidence interval.

z×standard deviation/√n

= 1.96 × 6.5/√85

= 1.38

The confidence interval for the mean number of years spent before promotion is

The lower end of the interval is 6.5 - 1.38 = 5.12 years

The upper end is 6.5 + 1.38 = 7.88 years

Therefore, with 95% confidence interval, the mean number of years spent before being promoted is between 5.12 years and 7.88 years

4 0
2 years ago
Why is the percent increase from 45 to 75 not equal to the percent decrease from 75 to 45? Select three
Novay_Z [31]

Answer:

For me the answer is

The ratio for the percent increase has a smaller denominator than the percent decrease.

Step-by-step explanation:

From 45 to 75, the increase is 30

If we check the % increased, (30/45)*100 = 66.667%

If we decrease the price from 75 to 45, the amount is same, i.e. 30 but the denominator is changed.

(30/75)*100 = 40%

5 0
2 years ago
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