Is an estimate for the percent of a number always,sometimes or never greater than actual percent of the number

1 answer:

3 0

It would be sometimes because it can be 82.2% but if you round it the closest one would be 80% if it was 84.7% its closer to 85 so it would be 85% I hope I helped you out rate the answer if I got it right thanks!

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An engineer is planning a new water pipe installation. The circular pipe has a diameter of d=20\text{ cm}d=20 cmd, equals, 20, s

aivan3 [116]

Answer: The answer is 314.28 cm² (approx.).

Step-by-step explanation: Given that an engineer is going to install a new water pipe. The diameter of this circular pipe is, d = 20 cm.

We need to find the area 'A' of the circular cross-section of the pipe.

Given, diameter of the circular section is

$\textup{d}=20~\textup{cm}.$

So, the radius of the circular cross-section will be

$\textup{r}=\dfrac{\textup{d}}{2}=\dfrac{20}{2}=10~\textup{cm}.$

Therefore, cross-sectional area of the pipe is

$\textup{A}=\pi \textup{r}^2=\dfrac{22}{7}(10)^2=\dfrac{2200}{7}=314\dfrac{2}{7}=314.28~.~.~.~\textup{cm}^2.$

Thus, the answer is 314.28 cm² (approx.).

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3 years ago

F is between E and G EF= x-7 and EG= 4x+3 find FG

andre [41]

Too much work!!!!!!!!!!!!

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3 years ago

If f(x) = 6x +9, find f(0.5)

artcher [175]

The answer would be twelve 12 because 6x.5 is 3 and 3+9 is equal to 12

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2 years ago

The population of a town increased by 10% per year in 2009, 2010, and 2011. If the population of the town at the beginning of 20

Bogdan [553]

If the population was 40,000 at the beginning of 2009, at the end of 2009 it has increased by 10% and became 44,000.

By the same way, at the end of 2010, it became $44000 + \frac{44000*10}{100} = 48400$

At the end of 2011, the population was $48400 + \frac{48400 * 10}{100} = 53240$

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3 years ago

a beaker holds 50mL of a liquid.How many centiliters does the beaker hold? a.5000cL b.5cL c.5000cL d.500cL

Sindrei [870]

Answer:

Your answer is 5cl

Step-by-step explanation:

This is because of King Henry Died by Drinking Chocolate Milk (Kilometers,Hectometers, Decameters, Base(Liters,Meters, and Grams) Decimeters, Centimeters and Millimeters). So when you have 50 milliliters, milliliters is one place away from centiliters so you move the decimal forward one place.

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3 years ago