3 years ago

True or False: If your expression contains more than one set of parentheses, you should evaluate all of them

Mathematics

1 answer:

Scrat [10]3 years ago

4 0

Answer:

You should evaluate whatever is in the parenthesis first.

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What is 3 times 12 plus 23 minus 90 times 300?

Lesechka [4]

I believe it has to be about-9'300

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2 years ago

Add 7 and 10 then divide by 5 write in a numerical expression

Gre4nikov [31]

(7 + 10) / 5 would be the expression

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3 years ago

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A junior high principal runs a report to determine what ratio of all 100 students take the bus to school or are dropped off by p

ratelena [41]

The probability that a student is in seventh grade, given that he/she is dropped off by parents is <u>option C)</u> 0.22

<u>Step-by-step explanation</u>:

The total probability of students in 7th grade = 0.56
The probability of 7th grade students dropped by parents = 0.12

P(student is in 7th grade student is in seventh grade) = P(students in 7th grade) / P(7th grade students dropped by parents).

⇒ 0.12/0.56

⇒ 0.22

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3 years ago

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Max and pedro both clean pools. Each charges a flat fee to clean a pool. Max cleans 12 pools in 8 hours and earned $270. Pedro c

marshall27 [118]

Answer:

The number of pools clean per hour is 1.5

Step-by-step explanation:

Given as :

The number of pools clean in 8 hours = 12

The number of pools clean in 7.5 hours = 9

Let The number of pools they clean per hours = x

I.e x = $\frac{8}{12}$ + $\frac{7.5}{9}$

Or, x = $\frac{24+30}{36}$

Or, x = $\frac{54}{36}$

∴ x = $\frac{3}{2}$

I.e x = 1.5

Hence The number of pools clean per hour is 1.5 Answer

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3 years ago

I got 7 to go :( help plz

gladu [14]

Answer:

I think the second one is the answer ; 2√b

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3 years ago

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