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3 years ago

16 2/3% of what number is 90?

Mathematics

1 answer:

zysi [14]3 years ago

7 0

Answer:

540

Step-by-step explanation:

90 is 16 2/3% of 540

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What two numbers multiply to get -28 and add to 12

Serggg [28]

-2 and 14.

-2 * 14 = -28

-2 + 14 = 12

3 0

3 years ago

if a business man makes a profit of of 20% on the selling price then this profit percentage on the cost price will be

netineya [11]

Let selling price = SP and cost price = CP

He makes 20 % on selling price means = >

(sp-cp) / sp = 20 % = 20/100 = 0.2

(sp - cp) / sp = 0.2

1 - cp/sp = 0.2

1 - 0.2 = cp/sp

0.8 = cp/sp

Reversing 1 / 0.8 = sp/cp = 1.25

We need to find profit on cost price means =

=(sp-cp)/ cp

= sp/cp - 1 = 1.25 - 1 = 0.25

Means 25 % profit on cost price : Answer

Hope that will help :)

3 0

3 years ago

Which function represents exponential decay? f(x) = One-half (three-halves) Superscript x f(x) = One-half (negative three-halves

viva [34]

Answer:

$f(x) = 4(\frac{2}{3})^{x}$

Step-by-step explanation:

The first function is given as, $f(x) = \frac{1}{2}(\frac{3}{2})^{x}$ .

Now, the value of this function increases i.e. value of f(x) increases as the x-value increases because $\frac{3}{2} > 1$ .

Now, the second function is given as, $f(x) = \frac{1}{2}(- \frac{3}{2} )^{x}$ .

This function can not be considered as a continuous function because $- \frac{3}{2} < 0$ .

Again, the third function is given as, $f(x) = 4(- \frac{2}{3})^{x}$ .

This function can also not be considered as a continuous function because $- \frac{2}{3} < 0$ .

Finally, the fourth function is given to be, $f(x) = 4(\frac{2}{3})^{x}$ .

In this function, the value of f(x) continuously decreases as the value of x increases, because $0 < \frac{2}{3} < 1$ .

Therefore, this function represents exponential decay. (Answer)

10 0

3 years ago

Read 2 more answers

Name the missing coordinate(s) of each triangle

Cloud [144]

Answer:

13) C (a, a) Y (a, 0)

14) B (0, b) P (a, 0)

Step-by-step explanation:

13) Y lies on x axis so it is Y(a,0)

ZY = YC = a

so for C coordinates are (ZY,YC) = (a, a)

14) B lies on y axis so it is B(0, b)

BK = BP = $\sqrt{a^{2} + b^{2} }$ = distance between two points

so P is (a, 0) as it is same distance and on positive side of x axis

3 0

3 years ago

Read 2 more answers

A snail travels 10 cm in 4 minutes. At this rate: How long will it take the snail to travel 24 cm?

atroni [7]

It will take the snail 9.6 minutes to travel 24cm.

Step-by-step explanation:

Distance covered in 4 minutes = 10 cm

Ratio of distance to time = 10:4

New distance = 24cm

Let,

x be the time period

Ratio of new distance to time = 24:x

Using proportions;

Ratio of distance to time :: Ratio of new distance to time

$10:4::24:x$

Product of mean = Product of extreme

$24*4=10*x\\96=10x\\10x=96$

Dividing both sides by 10

$\frac{10x}{10}=\frac{96}{10}\\x=9.6\ minutes$

It will take the snail 9.6 minutes to travel 24cm.

Keywords: ratio, proportion

Learn more about ratios at:

#LearnwithBrainly

7 0

3 years ago