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Alla [95]
3 years ago
14

Evaluate \dfrac {15}k

Mathematics
1 answer:
Georgia [21]3 years ago
6 0

Answer:

5

Step-by-step explanation:

We desire to evaluate the fraction: \dfrac{15}{k} when k=3.

This is a simple substitution, so what is required is

  • Replace k with the given number
  • Simplify the resulting expression

Therefore, when k=3

\dfrac{15}{k}=\dfrac{15}{3}=5

You can try the same for any value of k.

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artcher [175]
108 people were invited
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85 : 45 = 170 : x<br><br> Answer to get the answer for x
Marina86 [1]

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8 0
3 years ago
What is 24.2% of 120
katen-ka-za [31]

Answer:

29.04

Step-by-step explanation:

Multiply: 120*.242=29.04

It's multiplied by .242 bc if you want to turn a percentage into a decimal you need to move the decimal twice to the left. So, 24.2 becomes .242.

3 0
3 years ago
Helppppppppppppppppppp please
Svetlanka [38]

Answer:

\sqrt[]{\frac{x+8}{4}}-3

Step-by-step explanation:

g(x)=4(x+3)^2-8

First rewrite g(x) as y

y=4(x+3)^2-8

Now swap y and x

x=4(y+3)^2-8

Add 8 on both sides.

x+8=4(y+3)^2-8+8

x+8=4(y+3)^2

Divide by 4.

\frac{x+8}{4} =\frac{4(y+3)^2}{4}

\frac{x+8}{4}=(y+3)^2

Extract the square root on both sides.

\sqrt[]{\frac{x+8}{4}}=\sqrt[]{(y+3)^2}

\sqrt[]{\frac{x+8}{4}}=y+3

Subtract 3 on both sides.

\sqrt[]{\frac{x+8}{4}}-3=y+3-3

\sqrt[]{\frac{x+8}{4}}-3=y

4 0
3 years ago
I dunno how to solve this!! {10th grd geometry}
irakobra [83]

the answer is 9.

ie.. the value of x =9

7 0
2 years ago
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