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2 years ago

6

Need help on 6 and 7 asap! Will mark brainliest!!

2 answers:

Mekhanik [1.2K]2 years ago

8 0

For #6:
1. Simplify the expression by crossing out the similar numbers

2^3 • 3^2

2. Then evaluate the power

8 • 9

3. Multiply

Solution: 72

For #7:
1. Reduce and simplify all the similar numbers

3 • 4^2/3

2. Reduce the fraction by 3

4^2

3. Evaluate the power

Solution: 16

MrMuchimi2 years ago

3 0

I did number 6 to give you an idea of what you have to do. First find simplify the top and bottom and reduce!

Hope it helps! Comment if you have any questions!

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An electric bulb is sold in a box measuring 5 cm by 4 cm by 4 cm. If the shopkeeper receives them in a carton measuring 50 cm by

katen-ka-za [31]

Answer:

250

Step-by-step explanation:

Bulb box and carton both are of cuboidal shape.

<u>For bulb </u><u>box</u><u> </u><u>the </u><u>d</u><u>imensions</u><u> </u><u>are:</u>

l = 5 cm, w = 4 cm, h = 4 cm

$V_{Bulb\: box} =lwh$

$\implies V_{Bulb\: box} =5(4)(4)$

$\implies V_{Bulb\: box} =80\: cm^3$

<u>For </u><u>Carton </u><u>the dimensions are</u><u>:</u>

l = 50 cm, w = 20 cm, h = 20 cm

$V_{Carton} =lwh$

$\implies V_{Carton} =50(20)(20)$

$\implies V_{Bulb\: box} =20,000\: cm^3$

To find the number of bulbs packed in the carton, divide the $V_{Carton}$ by $V_{Bulb\: box}$

$Number \:of \:bulbs =\frac{V_{Carton}}{V_{Bulb\: box}}$

$\implies Number \:of \:bulbs =\frac{20,000}{80}$

$\implies Number \:of \:bulbs = 250$

So, 250 bulbs will be packed in one carton.

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2 years ago

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sp2606 [1]

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Step-by-step explanation:

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2 years ago

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The answer is D. The bus picked up people, and the graph is saying it dropped people off.

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3 years ago

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Answer:

y = 7 - 2x/3

Step-by-step explanation:

Make the y alone, so 3y = -2x+21

Divide everything else by 3, so y = -2x/3 +7

You end with the answer of y= 7-2x+3

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Sphinxa [80]

Answer:

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Step-by-step explanation:

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