MATHEMATICS MIDDLE SCHOOL

Name two different numbers that round to 8.21 when rounded to the nearest hundredth

Answers

Answer 1

Answer:

Answer:

The two different numbers are 8.211 and 8.209 that round to 8.21 when rounded to the nearest hundredth

Step-by-step explanation:

Given : Number 8.21.

To find : Name two different numbers that round to 8.21 when rounded to the nearest hundredth?

Solution :

To round to the nearest hundredth, we use the thousandths place to determine whether the hundredths place rounds up or stays the same.

We have top round such that number became 8.21.

So, There are two ways to pick the number

1) The thousandths place value is greater than or equal to 5 and hundredths place is 0 then it round to required number.

Example - 8.205,8.206,8.207,8.208,8.209

2) The thousandths place value is less than 5 and hundredths place is 1 then it round to required number.

Example - 8.211,8.212,8.213,8.214

Therefore, The two different numbers are 8.211 and 8.209 that round to 8.21 when rounded to the nearest hundredth

Answer 2

Answer: There's an infinite amount of numbers that round to 8.21 when rounded to the nearest hundredth, for example:

8.211
8.209
8.214
8.21145683204
etc...

Just pick whichever two numbers you like :)

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Let f(x)=3x+5 and g(x)=x^2. Find (f+g)(x)

A) x^2+3x+5

B) 3x^3+5x^2

C) 3x^2+5

D) x^3+5

Answers

f(x)= 3x+5 and g(x)= x²

find (f+g)(x)

substitute g(x) into f(x)

3(x²)+5

the answer is C

$3 {x}^(3) + 5 {x}^(2)$

Match the points on the number line with the rational numbers

Answers

Step-by-step explanation:

A is matched with -1 6/8

B is matched with -1 2/8

C is matched with -0.5

D is matched with 1

E is matched with 1 5/8

Find the value of the expression below for x=10x² - 2(x + 5)

A. 10
B. 70
C. 85
D. 90

Answers

Answer is B

Work:
10^2 -2(10+5)
100- 2(15)
100-30
=70

Can someone help me with this question? It's related to equations.

Answers

There’s infinite solutions

Find the volume of a rectangular prism with length 2 m, width 7 m, and height 9 m.

Answers

Answer:

126 cubic meter

Step-by-step explanation:

because the formula of rectangular is l*w*h

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