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Tasya [4]
3 years ago
6

Simplify the exspression 3z+5+5z-5

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
6 0

Answer:

8z

Step-by-step explanation:

3z+5+5z-5

Combine like terms

3z+5z   +5-5

8z +0

8z

GalinKa [24]3 years ago
3 0

Answer:

8z

Step-by-step explanation:

all we have to do here is to combine like terms

so we can add 3z and 5z which would be 8z

then add 5 and -5 which would be 0

so the expression simplified would be 8z

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Zigmanuir [339]
Total rental cost = $390 = 2($30/day) + ($0.25/mile)x     (x=number of miles)
                                                                                          330
Then 390 = 60 + 0.25x     =>    330 = 0.25 x    =>   x = ------------
                                                                                           0.25

x comes out to 1320 miles.
3 0
3 years ago
Area of a octagon with radii of 13.07 in. and perimeter of 80 in.
Brilliant_brown [7]

<em><u>Answer:</u></em>

<em>A≈482.84in²</em>

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<u><em>Step(s) of Explanation:</em></u>

N/A

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4 0
3 years ago
Suppose that you have an enormous grapefruit that is 92% water (by weight). The grapefruit weights 100 pounds. If the water cont
yuradex [85]

Answer:

The weight of grapefruit is now 80 pound.

Step-by-step explanation:

Consider the provided information.

Let the x is the weight loss. The weight of grapefruit is 100 pounds and water is 92%. After evaporation water is 90%.

Thus the weight loss is:

0.92\times100-0.90(100 - x) = x

92-90+0.90x=x

2=x-0.90x

2=0.1x

x=20

Hence, the weight loss is 80 pounds.

Therefore,  New weight is 100 - 20 = 80 pounds

The weight of grapefruit is now 80 pound.

3 0
3 years ago
There are 56 students going on a field trip to the science center. The students tour the center in groups of 8 how many groups o
S_A_V [24]

Answer:

There would be 7 groups of students because 56 divided by 8 students gives you 7 groups.

Step-by-step explanation:

3 0
3 years ago
Solve for y.
ladessa [460]

Answer:

y = 9/b

Step-by-step explanation:

by = 9 solved for b yields y = 9/b.

7 0
3 years ago
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