MATHEMATICS MIDDLE SCHOOL

The mass of Hinto's math book is 4,458 grams, what is the mass of 4 math books in kilograms

Answers

Answer 1

Answer: The weight of 4 math books is 17.832 kilograms.

Given:
weight of math books = 4458 grams
number of math books = 4

1 kg = 1000 grams

4458 grams * 1kg/1000 grams = 4458 kg/1000 = 4.458 kg
4.458 kg * 4 books = 17.832 kg

OR

4458 grams * 4 books = 17832 grams
17832 grams * 1kg/1000 grams = 17832 kg/1000 = 17.832 kg

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Seven hundred twelve thousandths in expanded form

Answers

(7×100)+(0.001×12) = 700.012

Hope It Helps :]

Calculate the sum of the infinite series

Answers

Answer:

$S_\infty=250$ .

Step-by-step explanation:

The given infinite series is $50+40+32+(128)/(5)+...$ .

The first term of this series is $a_1=50$ .

The common ratio is $r=(40)/(50)$ .

$\Rightarrow r=(4)/(5)$ .

The sum of this infinite series is given by the formula,

$S_\infty=(a_1)/(1-r)$

We now substitute all the above values in to this formula obtain,

$S_\infty=(50)/(1-(4)/(5))$

This implies that,

$S_\infty=(50)/((1)/(5))$

This simplifies to,

$S_\infty=50* 5$

$S_\infty=250$ .

The correct answer is C.

A rectangle is eight inch long and its diagonal is ten inches. What's the width of the rectangle?

Answers

Diagonal = $\sqrt{length^(2) + width^(2) }$

10 = $\sqrt{8^(2) + width^(2) }$

10 = $\sqrt{64 + width^(2) }$

100 = 64 + $width^(2)$

$width^(2)\n$ = 100 - 64

$width^(2)$ = 36

width = $√(36)$

width = 6 inches

Answer:

the answer is 6 inches

Step-by-step explanation:

To find the diagonal we use the Pythagorean Theorem:

l² + w² = d² where the is d hypotenuse

8² + w² = 10²

64 + w² = 100

w² = 100 - 64

w² = 36

w = √36

w = 6

therefore the width of the rectangle is 6 inches

I hope this was helpful !!!!!!!!!

Find the least common denominator (LCD) for the fractions.1\6 and 3\10

A.
2

B.
10

C.
30

D.
60

Answers

Pretty sure it's D. 60.
6 x 10 = 60

C. 30... 6 x 5 = 30
3 x 10 = 30

Explain how to subtract 247 from 538

Answers

Answer:

291

Step-by-step explanation:

subtract 247 from 538

In general, subtract a from b is written as b-a. 'a' is get subtracted from b

subtract 247 from 538

we need to subtract 247 from the number 538

So it can be written as

$538-247=291$

When we subtract 247 from 538 we got 291

subtract 247 from 538 gives us 291

You just subtract as normal:

247 - 538 =

But since 247 is smaller than 538, your answer will be negative

247 - 538 = -291

What is 16,473 rounded to the nearest hundred and thousand

Answers

16,473 hundred= 16,500 Thousand= 16,000

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