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Artist 52 [7]
3 years ago
10

Hurryyyyyy!!! which expression is equivalent to 7(1+3)? a.1+21b.7+21c 7+3d.7+4

Mathematics
1 answer:
n200080 [17]3 years ago
4 0

Answer:

b. 7+21

Step-by-step explanation:

If you do 1+3=4 and then 4 times 7 that equals 28. When you do 7+21 that equals 28 too. So b is the answer

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Answer:

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Step-by-step explanation:

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5 0
2 years ago
The probability is 0.2 that a person shopping at a certain store will spend less than $20. For groups of size 17, find the mean
antiseptic1488 [7]

Steps:

1: p=0.2

2: n = 17

3: n*p= 17*0.2=3.4

Description:

The person will spend less than 20 or o.2 as seen in the question. Meaning p will equal 0.2. P for probability. Now n is for number. n will equal 17. And then we have to times all the number. N times P will equal 17 then times it by 0.2=  Answer will come as 3.4.

Answer: 3.4

The correct answer for this question is 3.4

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6 0
3 years ago
What is 1/5 divided by 5/7
vampirchik [111]
1/5 divided by 5/7 is 7/25
1/5 ÷ 7/5 = 7/25

Your answer is 7/25


5 0
3 years ago
Marty has read 32% of his 400-page library book. How many pages has Marty read?
vova2212 [387]

Answer:

128 pages

Step-by-step explanation:

0.32*400

=128

In total, Marty had read 128 pages of his book.

6 0
3 years ago
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