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maksim [4K]
2 years ago
10

Lester listens to 8 songs every time he does his exercise routine he did his exercise routine 3 time this week how many songs di

d lester listen to while exercise this week.
Mathematics
1 answer:
pav-90 [236]2 years ago
6 0

Answer:

24

Step-by-step explanation:

multiply 8 by 3

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00:00
Marrrta [24]

Answer:

Part A: She borrowed: 3700

Part B: She would pay 555 in interest.

Step-by-step explanation:

Since, simple interest is,

Where, P is the principal amount,

r is the annual rate of interest,

t is time ( in years ),

Part A :  Here, S.I. = $ 444,

t = 3 years,

r = 4 %,

Thus,

Hence, She borrowed $ 3700.

Part B :

Here, r = 5 %, t = 3 years, P = $ 3,700,

Hence, She would pay $ 555 interest.

6 0
3 years ago
Read 2 more answers
In the United States, 75 percent of adults wear glasses or contact lenses. A random sample of 10 adults in the United States wil
V125BC [204]

Answer:

0.4745 is the probability that fewer than 8 of the selected adults wear glasses or contact lenses.

Step-by-step explanation:

We are given the following information:

We treat adult adults wear glasses or contact lenses as a success.

P(Adults wear glasses or contact lenses) = 75% = 0.75

Then the number of adults follows a binomial distribution, where

P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 10

We have to evaluate:

P(fewer than 8 of the selected adults wear glasses or contact lenses)

P(x < 8)\\=1 - P(x = 8) - P(x = 9) - P(x = 10)\\=1 - \binom{10}{8}(0.75)^8(1-0.75)^2 - \binom{10}{9}(0.75)^9(1-0.75)^1- \binom{10}{10}(0.75)^10(1-0.75)^0\\=1 - 0.2815-0.1877-0.0563\\= 0.4745

0.4745 is the probability that fewer than 8 of the selected adults wear glasses or contact lenses.

4 0
3 years ago
Ivan made a scaled copy of the following triangle. He used a scale factor less than 1
Elan Coil [88]

Answer: hi can u help me. i have this same question. what were the answers?

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Help me please its urgent
lana66690 [7]
I think the answer would be A,B and E
6 0
3 years ago
Find 7.5×1041.25×10−9. Write your answer in scientific notation.
Galina-37 [17]

Answer:

7.5×1041.25×10−9 = 78,084.75 = 7.808475 x^10

Step-by-step explanation:

7 0
4 years ago
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