3 years ago

Round 0.090999 to four decimal places.

Mathematics

1 answer:

baherus [9]3 years ago

5 0

0.0910, I think.

My dyslexia did not like theese numbers

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The formula for area of a circle is a = πr2. the radius r of the circle may be expressed as

RideAnS [48]

Answer:

The formula to find a circle's area π (radius)2 usually expressed as π⋅r2 where r is the radius of a circle. The area of a circle is all the space inside a circle's circumference.

Step-by-step explanation:

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3 years ago

The sum of the masses of two heavyweight boxers is 190kg. ⅘ the heavier boxer is 10kg less than the mass of lighter boxer. Find

ratelena [41]

Answer:

Their masses are 100 kg and 90 kg

Step-by-step explanation:

Equations

We'll solve the problem by setting only one variable. Let's call:

x = weight of the heavier boxer

Since the sum of the masses of both boxers is 190 Kg:

190 - x = mass of the lighter boxer.

It's given that $\frac{4}{5}$ of the mass of the heavier boxer is 10 kg less than the mass of the other, thus:

$\displaystyle \frac{4}{5}x=190-x-10$

Operating:

$\displaystyle \frac{4}{5}x=180-x$

Multiplying by 5:

$\displaystyle 4x=5(180-x)$

$\displaystyle 4x=5*180-5x$

Simplifying:

$\displaystyle 9x=900$

$x=\frac{900}{9}=100$

The heavier boxer's mass is 100 kg. The lighter boxer has a mass of 190-100 = 90 kg.

Their masses are 100 kg and 90 kg

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3 years ago

There are 45 questions on your math exam. You answered 8/10 of them correctly.how many questions did you answer correctly?

svet-max [94.6K]

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Step-by-step explanation: Took the test

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1 year ago

Please help, I am on a timer and need help with this question. I will give brainliest

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Step-by-step explanation:

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Addition of large numbers 9,13,09,540+ 7,48,91,730+ 2,48,65,865

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191,067,135 is the answer.

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3 years ago