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nekit [7.7K]
3 years ago
7

Sorry this is a follow up from the last quest surface area

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
3 0
For surface area, you will be doing l(ength) x w(idth) x h(eight) or l x w x h = sa
for #1: l x w x a = 4 x 9 x 11 = 396 (whatever the measurement is squared)
for #2: base x height  4 x 4 x 8 = 128 (whatever the measurement is squared)
hope this helps :D

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2(6x + 9 - 3x) - 5x + 21 how many solutions are there​
sergey [27]

Answer:

Only one solution.

Step-by-step explanation:

1) Collect like terms.

2((6x-3x)+9)-5x+21

2) Simplify (6x-3x)+9 to  3x+9.

2(3x+9)-5x+21

3) Expand by distributing terms.

6x+18-5x+21

4) Collect like terms.

(6x-5x) +(18+21)

5) Simplify.

x+39

Therefore, the answer is x + 39 and there is only one solution possible.

4 0
1 year ago
5. Suppose that 15% of a 12-gal solution is bleach and
puteri [66]

Step-by-step explanation:

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5 0
3 years ago
A daycare center charges $300 per month for preschool and $3.50 per hour every hour after preschool. The function c = 300 + 3.50
Tcecarenko [31]

Answer:

The total number of hours the child spent in childcare after preschool was 96.5.

Step-by-step explanation:

The cost of the preschool, in function of the number of hours that the child spent there, is given by the following equation:

c(h) = 300 + 3.5h

If the one month charges for one child totaly $637.75, what was the total number of hours the child spent in childcare after preschool?

This is h when c(h) = 637.75. So

c(h) = 300 + 3.5h

637.75 = 300 + 3.5h

3.5h = 337.75

h = \frac{337.75}{3.5}

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The total number of hours the child spent in childcare after preschool was 96.5.

7 0
4 years ago
6x +12 - 3x = 70 <br> Plz step by step
xxTIMURxx [149]

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6x-3x+12= 70

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sign changes from +12 to -12

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divide by 3 for both sides

3x/3=58/3

x=58/3 or x=19 1/3

Answer: x=58/3 or x=19 1/3

5 0
4 years ago
jade ran 6 times around her neighborhood to complete a total of 1 mile how many times will she need to run to complete 5/6 of mi
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1 mile is 6 times
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<span>x= 5/6 x 6 = 30/6= 5 times</span>
7 0
4 years ago
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