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Keith_Richards [23]
2 years ago
14

What percent is 36 of 90? can u show it by doing a cross multiply method?

Mathematics
2 answers:
algol132 years ago
4 0

Answer:

40 percent is right answer of 36 of 90

ololo11 [35]2 years ago
4 0

  • When you ask what is "90 out of 36?" you want to know what percent 90 is out of 36.

  • here are step-by-step instructions showing you how we calculated 90 out of 36 as a percentage

  1. the first step is to divide 90 by 36 to get the answer in decimal form

90 \div 36 = 2.5000

2. then we multiply the answer from the first step by 100 to get the answer as a percentage

2.5000 \times 100 = 250.00\%

<u>But</u><u> </u><u>if</u><u> </u><u>you</u><u> </u><u>think</u><u> </u><u>that</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>answer</u><u> </u><u>was</u><u> </u><u>wrong</u><u>,</u><u> </u>

<u>you</u><u> </u><u>can</u><u> </u><u>copy</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>from</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>top</u><u>.</u>

<em>#</em><em>H</em><em>o</em><em>p</em><em>e</em><em> </em><em>that</em><em> </em><em>helps</em>

<em>#</em><em>B</em><em>r</em><em>a</em><em>i</em><em>n</em><em>l</em><em>y</em><em>.</em><em>c</em><em>o</em><em>m</em><em>.</em><em>p</em><em>h</em>

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Vladimir [108]

<em>There is no specific requirement in the question, but I'm assuming you need to compute the time needed for Alexis reach 1,000,000 Instagram followers</em>

Answer:

t= 462.82\ days

Step-by-step explanation:

<u>Exponential Growth </u>

When the number of observed elements grows as the previous value multiplied by a constant ratio, we have exponential growth. The formula to model such situations is

\displaystyle f(x) = f_o(1 + r)^t

Where f_o is the initial value of f, 1 + r is the constant ratio, and t is the time expressed in half days (12 hours)

The initial value is 100 Instant followers, thus:

\displaystyle f(x) = 100(1.01)^t

We need to know when the number of followers will reach 1,000,000. Setting up the equation

\displaystyle 100(1.01)^t=1,000,000

Simplifying by 100

\displaystyle (1.01)^t=10,000

Taking logarithms

\displaystyle t\ log(1.01)=log\ 10,000

\displaystyle t\ log(1.01)=4

Solving for t

\displaystyle t=\frac{4}{log(1.01)}=925.63 periods of 12 hrs

t= 462.82\ days

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Can someone plsss help :)
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