3 years ago

13 is 25% of what number

2 answers:

6 0

Hack way
25%=1/4
13 is 1/4 of something
1/4 times 4=4/4=1

therefor
13 times 4=1 whole
13*4=52
the original number is 52

marshall27 [118]3 years ago

3 0

13 is 25% of the number 52.
13/25%(or .25) = 52 >>> 13/0.25 = 52
I divided because if you multiply, you get 3.25, which isn't what your looking for. :D

You might be interested in

I neee help with this question ???

olchik [2.2K]

Answer:

Step-by-step explanation:

5 0

3 years ago

Pls answer precisely

Nata [24]

Answer:

The third one

Step-by-step explanation:

Its asking if its positive in the interval [-3, -2]

Which means you only look at the graph from -3, -2 on the x axis and we are looking see which one is positive in that space. And by positive it means going up in a positive direction. Only the third one does this.

3 0

2 years ago

Please show me how to solve the initial value problem <br> y'=tanx y(pi/4)=3

AlexFokin [52]

The ODE is separable, i.e. you can write

$\dfrac{\mathrm dy}{\mathrm dx}=\tan x\iff\mathrm dy=\tan x\,\mathrm dx$

Integrating both sides gives the general solution.

$\displaystyle\int\mathrm dy=\int\tan x\,\mathrm dx$
$y=-\ln|\cos x|+C$

Given that $y\left(\dfrac\pi4\right)=3$ , we have

$3=-\ln\left|\cos\dfrac\pi4\right|+C$
$3=-\ln\dfrac1{\sqrt2}+C$
$3-\ln\sqrt2=C$

and so the particular solution to the IVP is

$y=-\ln|\cos x|+3-\ln\sqrt2$
$y=3-\ln|\sqrt2\cos x|$

4 0

3 years ago

How man different rectangular prisms can be built from 18 cubes

Sever21 [200]

You can make 4 out of 18 cubes

3 0

3 years ago

Read 2 more answers

A homeowner chooses 9 of 25 plants at a nursery to landscape her front yard. Which expression gives her the number of ways she c

Vladimir79 [104]

The correct answer is 25C9

6 0

3 years ago