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kherson [118]
3 years ago
15

What is the answer to x=3x-20 and y=-6+30

Mathematics
1 answer:
NISA [10]3 years ago
5 0

Answer:y=24 and x=10

Step-by-step explanation:

To find the value of x and y in x=3x-20 and y=-6+30

We gets

y=24

To get x

x=3x-20

Collect like terms

x-3x=-20

Divide through by -2

-2x=-20

x=10

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7 0
4 years ago
2. Find the area in square meters of the figure<br> below? Use 3.14 for.<br> 6m
Illusion [34]

Answer:

in order to find the area, we should break up the figure. you can see that in the image we have a quarter of a circle and a square. here are the areas for each of these shapes

square:

area = {x}^{2}

circle:

area = \pi {r}^{2}

but since we only have a quarter of this circle we need to divide the area by 4 so the formula becomes

\frac{\pi {r}^{2} }{4}

now we can plug in our numbers

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3 0
3 years ago
marge cut 16 pieces of tape for mounting pictures on poster board. each piece of tape was 3/8 inch long. how much tape did marge
Tomtit [17]

Answer:

Total tape used by marge is 6 inches .

Step-by-step explanation:

As given

marge cut 16 pieces of tape for mounting pictures on poster board.

Each\ piece\ of\ tape\ was\ \frac{3}{8}\ inch\ long.

Total tape marge uses = Number of pieces × Each piece length

Total\ tape\ marge\ uses = \frac{16\times 3}{8}

Total tape marge uses = 2 × 3

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Therefore the total tape used by marge is 6 inches .

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Step-by-step explanation:

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3 years ago
Two pony express riders each rode part of a 176 mile trip. Each rider rode the same number of miles. They changed horses every 1
atroni [7]

Answer:

Total number of horses used = 16

Step-by-step explanation:

Two pony express riders each rode part of a 176 mile trip. Each rider rode the same number of miles.

\texttt{Total mile rode by each pony express rider = }\frac{176}{2}=88miles

They changed horses every 11 miles.

\texttt{Number of horses used by each pony express rider = }\frac{88}{11}=8

Total number of horses = Number of horses used by each pony express rider x Number of pony express rider

Total number of horses used = 8 x 2 = 16

Total number of horses used = 16

7 0
3 years ago
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