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3 years ago

Evaluate \dfrac {15}k

Mathematics

1 answer:

Georgia [21]3 years ago

6 0

Answer:

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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3 years ago

85 : 45 = 170 : x<br><br> Answer to get the answer for x

Marina86 [1]

x=9/34 that's the answer

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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