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Mrac [35]
2 years ago
13

(-1)[-3(-5)(-7)]+(-3+7)(-2)

Mathematics
2 answers:
posledela2 years ago
6 0
Simplify the expression.

Answer: 97
Sati [7]2 years ago
4 0

Using pemdas, we get:

(-1)[-3(-5)(-7)]+(-3+7)(-2) = (-1)(-105) + 4(-2) = 105 - 8 = 97

Hope that helps!

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It takes a hose 2 minutes to fill a rectangular aquarium 12 inches long, 13 inches wide, and 14 inches tall. How long will it ta
rusak2 [61]

Volume of the first aquarium =  (12" x 13" x 14") = 2,184 inches³

Volume of the second aquarium = (32" x 34" x 35") = 38,080 inches³

The second aquarium has (38,080 / 2,184) = 17.44 times as much
volume as the first aquarium has.

So it'll take the hose  17.44 times as long to fill the second one

                              =  (17.44) x (2 minutes)  =  34.9 minutes.
8 0
3 years ago
Carrie has 300 marbles 25 of the marbles are green 15% of the marbles are red and the rest of the marbles are blue how many blue
Rus_ich [418]

Answer:

230.

Step-by-step explanation:

\:  \:  \:  \: 300 - 25 -  \frac{15}{100}  \times 300 =  \\  = 275 - 45 =  \\  = 230

Hope this helps!

4 0
2 years ago
Read 2 more answers
Christy solved this problem. A store charged a customer $445.50 for 150 floor tiles . What is the price of each tile? Christy th
Ivan
A is correct because 445.50 Divided By 150 is Equal to $2.97.
5 0
2 years ago
Read 2 more answers
Brianna’s family spent $134 on 2 adult tickets and 3 youth tickets at an amusement park. Max’s family spent $146 on 3 adult tick
love history [14]
Let 
 x:adult tickets
 y:youth tickets  
 We have 
 2x+3y=134
 3x+2y=146
 Rewritting
 6x+9y=402
 -6x -4y=-292
 adding
 5y=110
 Clearing y:
 y=110/5
 y=22
 Answer:
 the price of a youth ticket is 22$
5 0
2 years ago
You are given a circle of radius 12. What is the segment area of an arc that is 90 degrees?
Pachacha [2.7K]

Answer:

36π - 72 sq in.

Step-by-step explanation:

π×12² = 144π

90/360 × 144π = 36π

Triangle = ½ × 12 × 12 = 72

Segment = 36π - 72

7 0
3 years ago
Read 2 more answers
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