16 of 20% explain it plz

Mathematics

2 answers:

Kryger [21]3 years ago

8 0

Answer:

Step-by-step explanation:

16:20*100 =

(16*100):20 =

1600:20 = 80

V125BC [204]3 years ago

3 0

Answer:

3.2

Step-by-step explanation:

In math, of means multiply. So, first convert the percent to a decimal by multiplying it by .1 them multiply that number by 16. Hope this helps!!

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A pilot is traveling at a height of 30,000 feet above level ground. She looks down at

vladimir2022 [97]

Answer:

540.6 mi

Step-by-step explanation:

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tan 6 = 30000/x

xtan 6 = 30000

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2 years ago

Find the zeros of polynomial function and solve polynomials equations. f(x)=x^2-x-90

victus00 [196]

The zeros are:

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A man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream. Fin

pochemuha

The speed of the current is 40.34 mph approximately.

SOLUTION:

Given, a man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream.

We have to find the speed of the current if the speed of the boat is 11 mph in still water. Now, let the speed of river be a mph. Then, speed of boat in upstream will be a-11 mph and speed in downstream will be a+11 mph.

And, we know that, $\text{ distance } =\text{ speed }\times \text{ time }$

$\begin{array}{l}{\text { So, for upstream } \rightarrow 40=(a-11) \times \text { time taken } \rightarrow \text { time taken }=\frac{40}{a-11}} \\\\ {\text { And for downstream } \rightarrow 70=(a+11) \times \text { time taken } \rightarrow \text { time taken }=\frac{70}{a+11}}\end{array}$

We are given that, time taken for both are same. So $\frac{40}{a-11}=\frac{70}{a+11}$

$\begin{array}{l}{\rightarrow 40(a+11)=70(a-11)} \\\\ {\rightarrow 40 a+440=70 a-770} \\\\ {\rightarrow 70 a-40 a=770+440} \\\\ {\rightarrow 30 a=1210} \\\\ {\rightarrow a=40.33}\end{array}$