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ycow [4]
3 years ago
11

The difference between half of a certain number and seven is the same as with adding two to that number...Find the number

Mathematics
1 answer:
Alecsey [184]3 years ago
7 0

Answer:

x = - 18

Step-by-step explanation:

Let certain number = x

<em>The difference between half of a certain number and seven</em>

x/2 - 7

<em>is the same as</em>

=

<em>with adding two to that number</em>

x + 2

<em>Find the number</em>

x/2 - 7 = x + 2

x - x/2 = - 7 - 2

( 2x - x ) / 2 = -9

2x - x = -18

x = - 18

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Evaluate the expression.
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Step-by-step explanation:

for a³b²c-1d

given

a=2

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d=15

a³b²c-¹d

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=2³4²15/10

=8*16*15/10

=8*8*3

=64*3

=192

now

a³b²c¹d

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8 0
3 years ago
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The volume of a solid cylinder is 1584 cubic cm and its height is 14 cm. The radius is
enyata [817]

Answer: 6 cm

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:  

Volume of a cylinder (V): π x radius ² x height  

Replacing with the values given and solving for v (Volume)  

1584 = π x r ² x 14

Solving for r:

1584 / (π x 14) = r²

36.01 = r²

√36.01 = r

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In conclusion, the radius of the cylinder is 6 centimeters.

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
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Sadly, Sonic's health is at — 7 stars. Each magic potion that
olga55 [171]

Answer:

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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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= 8 over 5 + 3 over 5 (all in inches)

= 8/5 + 3/5 (all in inches)

Since the denominators are the same (5), we can simply add the numerators up while keeping the denominator

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Step-by-step explanation:

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