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3 years ago

The ratio of the sum k and 12 to 15 is the same as the ratio of 30 to 25. What is K?

Mathematics

1 answer:

avanturin [10]3 years ago

3 0

K would be 13 I hope his helps

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BRAINLIEST ASAP! PLEASE HELP ME :)

Irina-Kira [14]

Answer:

○ $\displaystyle 25\%$

Step-by-step explanation:

3 → 13 − 16

$\displaystyle \frac{Number\:of\:desired\:[favourable]\:outcomes}{Total\:number\:of\:possible\:outcomes} \\ \\ \frac{3}{12} = \frac{1}{4} = 25\%$

I am joyous to assist you anytime.

4 0

3 years ago

-2 (4x-9) = -18 ×=___

Dahasolnce [82]

Answer:

x = 9/2 or 4 1/2 or 4.5

Step-by-step explanation:

Divide both sides by the numeric factor on the left side, then solve. Hope this helped :)!

5 0

2 years ago

Solve for x in the literal equation -20=xy +z.

erastovalidia [21]

Answer:

-(20+z)/y = x

Step-by-step explanation:

-20=xy +z

Subtract z from each side

-20 -z = xy+z-z

-20 -z = xy

Divide each side by y

(-20 -z)/y = xy/y

Factor out a negative

-(20+z)/y = x

5 0

2 years ago

What value of t is a solution to this equation?<br> -t + 2<br> ------- = 1<br> 3

____ [38]

Answer:

-1

Step-by-step explanation:

you mutiply the 3 on both sides and then you subtract the 2 from both sides.

-t=1

then u divide by negative 1 which will make the right side number negative

7 0

2 years ago

Read 2 more answers

Last month you spent $30 on clothing. This month you spent 150% of what you spent last month. Set up a proportion to model thi

valentinak56 [21]

Answer:

$45

Step-by-step explanation:

x=1.5(30)

x=45

6 0

2 years ago