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2 years ago

8

Simplify the expression 5 + 2 ⋅ {(2 + 5) ⋅ 5 + 5] 1: 55 2: 85 3: 105 4: 115

2 answers:

FromTheMoon [43]2 years ago

6 0

Answer:

85

Step-by-step explanation:

Order of operations rules (PEMDAS) govern here. Anything inside parentheses must be done first, followed by exponentiation, mult. and div., and add. and subtr. last.

Add 2+5 first: 5 + 2*{(7)*5 + 5}

Perform the work shown inside the brackets { and }: 5 + 2*{40}

Perform the indicated mult.: 5 + 80

Finally, add: 85

g100num [7]2 years ago

6 0

<h2><u><em>Answer:its 858 because 125 plus 125 plus 125 plus 125=858 and thats ur answer simple math boi</em></u> <em><u>so go to school</u></em></h2>

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Catron evaluates the expression (negative 9) (2 and two-fifths) using the steps below.

Vlad [161]

Answer:

Catron's error is

"She did not follow order of operations"

Step-by-step explanation:

Catron evaluates the expression (negative 9) (2 and two-fifths)

That expression can be written as below

$(-9)(2\frac{2}{5})$

Catron's error is

"She did not follow order of operations"

The corrected steps are

Step1: Given expression is $(-9)(2\frac{2}{5})$

Step2: Convert mixed fraction into improper fraction

$(-9)(2\frac{2}{5})=(-9)(\frac{12}{5})$

Step3: Multiplying the terms

$(-9)(2\frac{2}{5})=-7\frac{-108}{5}$

Therefore solution $(-9)(2\frac{2}{5})=-7\frac{-108}{5}$

6 0

3 years ago

Read 2 more answers

Can you someone help me

lord [1]

(6,8) is the answer also this could be the answer too (6,2)

hope this helps

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2 years ago

Mr. Barnett’s test is normally distributed with a mean of 65 with a standard deviation of five points what is the probability th

uranmaximum [27]

Answer: 2.5%

Step-by-step explanation:

Mean score = 65

Standard deviation = 5

Score (x) = >75

Z-score = [(score - mean) ÷ standard deviation]

Z - score = [(75 - 65) ÷ 5]

Z - score = 10 ÷ 5 = 2

P(score higher than 75) = 100 - 95 = 5/2 = 2.5%

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2 years ago

Angelo's pet rabbit weighs 1 pound less than twice the weight of Carmen's pet rabbit.Angelo's pet rabbit weighs 9 pounds. Write

attashe74 [19]

W=(9+1)/2 i think? its worded strangely

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2 years ago

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Zina [86]

Answer:

I think the answer is - $\frac{u}{6}$

Step-by-step explanation:

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2 years ago