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9966 [12]
3 years ago
8

Plz help Find the surface area of the prism.

Mathematics
1 answer:
maw [93]3 years ago
5 0

Answer:

920ft^2

Step-by-step explanation:

20*17=340

15*20=300

60*2=120

8*20=160

340+300+120+160= 920 ft^2

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What value of x is in the solution set of 4x – 12 &lt; 16 + 8x?<br> -10<br> -9<br> -8<br> -7
Akimi4 [234]

Answer:

Step-by-step explanation:

4x - 12 ≤ 16 + 8x

4x - 8x ≤ 16 + 12

- 4x ≤ 28

<em>x ≥ - 7 or [ - 7, ∞ )</em>

3 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 95% pure anti
Dimas [21]

Answer:

42 gallons 45% antifreeze

28 gallons 95% antifreeze

Step-by-step explanation:

If x is volume of 45% antifreeze, and y is volume of 95% antifreeze, then the total volume is:

x + y = 70

And the total amount of antifreeze is:

0.45 x + 0.95 y = 0.65 (70)

Solving by substitution:

0.45 x + 0.95 (70 − x) = 0.65 (70)

0.45 x + 66.5 − 0.95 x = 45.5

21 = 0.5 x

x = 42

y = 28

7 0
3 years ago
Vivian has a 550 page book on folk tales . If she reads 9 pages everyday before falling asleep . how many days will it take her
zepelin [54]

Answer:

62 days

Step-by-step explanation:

Given that she reads 9 pages everyday before falling asleep. Then, on day one, she would read 9m pages.

On day 2, she would read another 9 pages, making 18 pages after 2 days. If she will finish the book in x days then

x = 550/9

=61 1/9 days

Converting the 1/9 into a day then, she will finish the book in 62 days, reading just a page on the 62nd day.

5 0
3 years ago
Write a division number story with an answer of 3/5
katrin [286]

Peter has 4 friends. He invited them to his home. He ordered a pizza of his favorite and made it into 5 slices.

Few minutes later, one of his friends Smith came and they enjoyed one slice of pizza each.

Now, the question is what portion of the pizza left for his remaining friends?

Answer :

Peter made the pizza into 5 pieces.

So, 1=\frac{5}{5}

Peter and Smith had \frac{1}{5}th of the pizza each.

So, the remaining portion = \frac{5}{5} -(\frac{1}{5}+\frac{1}{5})

=\frac{5}{5} -\frac{2}{5}

=\frac{3}{5}

8 0
3 years ago
Cookies cost $3 each, and candies cost $2 each. Tim has
riadik2000 [5.3K]

Answer:

he can buy 5 cookies and 5 candies

Step-by-step explanation:

3+2=5

5×5=25

6 0
3 years ago
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