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PIT_PIT [208]
3 years ago
7

What positive makes x the following equation true x2=289 explain

Mathematics
1 answer:
ziro4ka [17]3 years ago
6 0

Answer:

144.5

Step-by-step explanation:

289÷2=x

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miss Akunina [59]

Answer:

4 and 1/3

Step-by-step explanation:

3 can go into 13 4 times with one left over

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2 years ago
How many inches and does a window
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Well, it depends on the window.
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3 years ago
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If 2a+4b=5 and a is equal to three times b, what is 3a?
IrinaK [193]

Answer:

3a=4.5

Step-by-step explanation:

it says that "a is equal to 3 times b", which translates to a=3b

We can substitute a as 3b in 2a+4b=5

2(3b)+4b=5

multiply

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7 0
2 years ago
What is the surface area of the figure? Use 3.14 for π.
fredd [130]

Answer:

Option 3

Step-by-step explanation:

We want to work out the surface-area

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2πrh+2πr^2

^ means to the power of

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2(3.14)(15)(18) + 2(3.14){15}^2

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(6.28)(15)(18)

(6.28)(270)

1695.6

Part 2:

First, we do the exponents,

15^2 = 225

(6.28)(225)

1413

Part 3:

1695.6 + 1413 = 3108.6

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