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makvit [3.9K]
2 years ago
14

Could someone confirm if I was correct or not?

Mathematics
2 answers:
Andrei [34K]2 years ago
7 0
Correct! Excellent Job
larisa86 [58]2 years ago
7 0
I think sure it’s correct!
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Simplify the expression 5 + 2 ⋅ {(2 + 5) ⋅ 5 + 5] <br><br> 1: 55 <br> 2: 85<br> 3: 105 <br> 4: 115
FromTheMoon [43]

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


6 0
2 years ago
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Alicia earns more than 12 per hour at her job at the bookstore. Write an inequality to show the least amount of money Alicia wil
zhuklara [117]
T>12x. the total will be more than x multiplied by 12.
5 0
3 years ago
What is the surface area of a rectangular prism with a height of 8 yd, length of 5.6 yd, and width of 2.3 yd?​
sammy [17]

Answer:

152.16 yd²

Step-by-step explanation:

2(8 x 5.6) + 2(8 x 2.3) + (2.3 x 8) = 152.16 yd²

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

4 0
3 years ago
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How much water should be added to 3 gallons of pure acid in order to obtain the 15% acid solution? HELP DUE BY TOMMOROW MORNING
Pani-rosa [81]
3 gallons of acid = 100% concentration acid
? (water+acid) gallons = 15 concentration acid

Note: Every gallon of water added reduces the percentage concentration of acid. Therefore, the relationship is inverse proportionality.

Solution:

Total number of gallons (water+acid) = (3*100)/15 = 20 gallons
Therefore, gallons of water = 20-3 = 17 gallons
5 0
3 years ago
Okay now using distributive property write 2(4x-9) without parenthesis
riadik2000 [5.3K]
2(4x - 9) = 
2 * 4x - 2 * 9 = 
8x - 18

Hope this helps!!
~Kiwi


6 0
2 years ago
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