MATHEMATICS MIDDLE SCHOOL

Estimate, then find the difference and write in simplest form 4 1/2-3 4/5

Answers

Answer 1

Answer:

Answer:

7/10

Step-by-step explanation:

4 1/2=9/2

3 4/5=19/5

9/2-19/5=45/10-38/10=7/10

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What is the volume of the sphere? (Use 3.14 for π.) 301.44 in.3 2,712.96 in.3 904.32 in.3 1,521.12 in.3

Answers

Answer:

The volume of the sphere is 904.32 inch³.

Step-by-step explanation:

Answer:

v=4/3ttr3

Step-by-step explanation:

Slove x: 9x - 6 = 4x + 19

Answers

Answer:

Simplifying

x = 5

9x-6-4x=4x+19-4x
5x-6=19
5x-6+6=19+6
5x=25
5x/5=25/5
x=5

Answer: X=5

Order this starting from the smallest:15.249 15.3 15.05 15.009 15.25

Answers

i think it might be easier to understand if i change decimals to fractions, so lets start ;)
$15.249=15(249)/(1000)$
$15.3=15.300=15(300)/(1000)$
$15.05=15.050=15(50)/(1000)$
$15.009=15(9)/(1000)$
$15.25=15.250=15(250)/(1000)$

denominators are the same so now you only have to compare numerators (biger numerator = greater fraction)

so:

$15(9)/(1000)<15(50)/(1000)<15(249)/(1000)<15(250)/(1000)<15(300)/(1000)$

it means that:

$15.009<15.05<15.249<15.25<5.3$

15.009
15.05
15.249
15.25
15.3

I believe is the correct order

A central angle of a sector equals 5 radians and the radius equals 20 inches. What is the measure of the arc length formed by the sector?