3 years ago

Evaluate: 8×6+(12-4)÷2

Mathematics

1 answer:

Mashutka [201]3 years ago

6 0

Answer:

Step-by-step explanation:

1. 8*6=48

2.12-4=8

8/2

3. 48+4

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Read 2 more answers

(2x³+11x²+5)-(x³-2x²+2)<br>

SOVA2 [1]

Answer:x^3+13x^2+3

Step-by-step explanation:

(2x^3+11x^2+5)-(x^3-2x^2+2)

Clearing brackets

2x^3+11x^2+5-x^3+2x^2-2

Collect like terms

2x^3-x^3+11x^2+2x^2+5-2

x^3+13x^2+3

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3 years ago

A rectangular prism has a length of 212 centimeters, a width of 212 centimeters, and a height of 5 centimeters. Justin has a sto

BlackZzzverrR [31]

Answer:

$3.75\ cm^{3}$ or $3\frac{3}{4}\ cm^{3}$

Step-by-step explanation:

step 1

Find the volume of the rectangular prism

we know that

The volume of a rectangular prism is

$V=LWH$

In this problem we have

$L=2\frac{1}{2}\ cm=\frac{2*2+1}{2}=\frac{5}{2}\ cm$

$W=2\frac{1}{2}\ cm=\frac{2*2+1}{2}=\frac{5}{2}\ cm$

$H=5\ cm$

substitute in the formula

$V=(\frac{5}{2})(\frac{5}{2})(5)=\frac{125}{4}=31.25\ cm^{3}$

step 2

Find the difference between the volume of the prism and the volume of the storage container

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$3.75=3\frac{3}{4}\ cm^{3}$

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3 years ago

Express 0.208 (the 8 is repeating) as a fraction in simplest form.<br><br> 10 POINT AWARD

den301095 [7]

Let x=0.208bar or 0.20888...

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3 years ago

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Answer:

Step-by-step explanation:

diameter=7917.5

r=3958.75

the earth is sphere

V=4/3x3.14xr^3

V=2.6*10^11

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3 years ago