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4 years ago

Which expressions are equivalent to -7+3(-4e-3)?

Mathematics

2 answers:

kodGreya [7K]4 years ago

8 0

Answer:

It's A I just took the quiz lol

Step-by-step explanation:

natulia [17]4 years ago

4 0

For this case we must find an expression equivalent to $-7 + 3 (-4e-3)$ . To solve we follow the steps below:

We apply distributive property to the terms within the parenthesis taking into account that $+ * - = -$ :

$-7-12e-9 =$

We add common terms taking into account that equal signs are added and the same sign is placed:

$-16-12e$

Answer:

Option C

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3 years ago

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4 years ago

1. -4(3)2 + 12(3) + 11

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Answer:

Step-by-step explanation:

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3 years ago

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Find the missing value. Hint: Use the number line to find the missing value. -1-7-

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Answer:

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Step-by-step explanation:

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3 years ago

In how many ways can 5 boys and 4 girls be seated on a bench so that the girls and the boys occupy alternate seats?

Ne4ueva [31]

Answer:

2880 ways

Step-by-step explanation:

There can be only one arrangement in which boys and girls can sit.

G-B-G-B-G-B-G-B-G

but position of individual boy and girls can be changed.

So, there are 5 girls and 5 slots for them that means they can be arranged in 5! ways,

similarly boys have 4 slots, so they can be arranged in 4! ways.

now, one more thing to consider is that out of 5! arrangements of girls, with each arrangement boys can be arranged in 4! different positions.

so to get the total number of boys and girls arrangements together we would need to multiply the arrangements of both boys and girls.

so the desired answer would be: 5!*4! = 120*24 = 2880 ways.

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3 years ago