2 years ago

5(3x - 11) - 9x +30 +(6x + 22) - 8(3 - x)simplify

Mathematics

2 answers:

leonid [27]2 years ago

5 0

The answer is 20x-27.

Mamont248 [21]2 years ago

4 0

Answer:

Step-by-step explanation:

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A family has traveled 114 miles of a planned trip. This is 37% of the total distance they must travel on the trip. Find, correct

denis23 [38]

Answer:

The total distance they will travel on their trip is 308 miles.

Step-by-step explanation:

This question can be solved using a rule of three.

114 miles is 37% = 0.37. How many mines are 100% = 1?

114 miles - 0.37

x miles - 1

$0.37x = 114$

$x = \frac{114}{0.37}$

$x = 308.11$

Rounding to the nearest mile

The total distance they will travel on their trip is 308 miles.

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2 years ago

Tammy scored 88, 72, 44 points on her first three test. What must she score in her last test to get at least an average of 70?

lara [203]

Answer:

Step-by-step explanation:

(88+72+44+x)/4=70

88+72+44+x=280

204+x=280

x=76

Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.

5 0

2 years ago

5(3x - 11) - 9x +30 +(6x + 22) - 8(3 - x)simplify​

5(3x - 11) - 9x +30 +(6x + 22) - 8(3 - x)simplify