3 years ago

What is the volume of a cube if the length measures 2 cm?

Mathematics

1 answer:

-BARSIC- [3]3 years ago

6 0

Answer:

=L*b*h

length,berth,highte

=2*2*2

=8cm^3

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Don't take my word on this. I may be wrong.

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3 years ago

Help please, what’s: 5x-7+2-2x=-26

svetoff [14.1K]

Answer:

Let's solve your equation step-by-step.

5x−7+2−2x=−26

Step 1: Simplify both sides of the equation.

5x−7+2−2x=−26

5x+−7+2+−2x=−26

(5x+−2x)+(−7+2)=−26(Combine Like Terms)

3x+−5=−26

3x−5=−26

Step 2: Add 5 to both sides.

3x−5+5=−26+5

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Step 3: Divide both sides by 3.

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Answer:

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3 0

3 years ago

Read 2 more answers

3. Suppose the mystery bag had resulted in the following number of red chips. Using the simulated sampling distributions found e

Vinvika [58]

Answer:

a) 0.172

b) 0.167

c) 0.1404

Step-by-step explanation:

Margin of error, E = $2\times\sqrt{\frac{p(1-p)}{n}}$

here,

p = probability of the event

n = sample size

a) n = 30

p = 10 ÷ 30 = 0.333

Therefore,

E = $2\times\sqrt{\frac{0.333(1-0.333)}{30}}$

= 2 × 0.0861

= 0.172

b) n = 30

p = 21 ÷ 30 = 0.7

Therefore,

E = $2\times\sqrt{\frac{0.7(1-0.7)}{30}}$

= 2 × 0.0836

= 0.167

c) n = 30

p = 22 ÷ 50 = 0.44

Therefore,

E = $2\times\sqrt{\frac{0.44(1-0.44)}{50}}$

= 2 × 0.0702

= 0.1404

3 0

3 years ago

according to phutis water bill,she has to pay the VAT exclusive amount of R249.31.calculate the quantity of water in kl she used

Leona [35]

Answer:

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Step-by-step explanation:

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3 years ago

Judy's heart beats 70 times a minute. At this rate, how many times does it beat per hour?

Studentka2010 [4]

Answer:

<h2>4200 times</h2>

Step-by-step explanation:

$70\:times = 1\:minute\\x\:times\:= 60\:minute\\\\Cross\:multiply\\ x = 70 \times 60\\\\x = 4200\\\\= 4200 \:times\:in\:an\:hour\\\\Note: 60\:minutes = 1 \:hour$

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3 years ago

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