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3 years ago

7

A picture on a page was reduced by 60% of its original size, and this copy was then reduced by 20%. What percent of the size of

the original picture was final copy ?

1 answer:

melamori03 [73]3 years ago

6 0

Answer:

the final copy should be 12% of the original picture.

Step-by-step explanation:

you multiply 20% by 60%

and you get 0.12 which is the same as 12%

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Perform the indicated operation. (12x2 + 7y3)(4x2 + 7y3)

Verdich [7]

ANSWER

$48 {x}^{4} + 60{x}^{2} {y}^{3} + 56 {y}^{6}$

EXPLANATION

We want expand:

$(12x^2+8y^3)(4x^2+7y^3)$

We expand using the distributive to obtain:

$12 {x}^{2} (4 {x}^{2} + 7 {y}^{3} ) + 8 {y}^{3} (4 {x}^{2} + 7 {y}^{3} )$

$48 {x}^{4} + 28 {x}^{2} {y}^{3} + 32{x}^{2} {y}^{3} + 56 {y}^{6}$

Simplify further by combining the two terms in the middle:

$48 {x}^{4} + 60{x}^{2} {y}^{3} + 56 {y}^{6}$

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4 years ago

Read 2 more answers

Kate is at a T-shirt sale where she can buy one and get a second one for 30% off. She wants to buy two T-shirts listed at $19 ea

gladu [14]

So in this problem we can state that each T-shirt costs S19 each. And if Kate buys two she gets a 30% off with the second shirt she buys. <span>And how much will she pay?

Solution:</span> <span><span>
1.       </span>19 for each t-shirt</span> <span><span>
2.       </span>Total of $38 if not provided with 30% off</span>
<span><span>3.       </span>19 x 0.3 = 5.7</span>
<span><span>4.       </span>Hence 30% of $19 is $5.7</span>
<span><span>5.       </span>Next is we deduct $5.7 which is 30% of $19.</span> <span><span>
6.       </span>19 – 5.7 = $13.3</span> <span><span>
7.       </span>Therefore we add one shirt for $19 and the second, less 30% off which now only costs for $13.3.</span> <span><span>
8.       </span>19 + 13.3 = 32.3</span>
<span><span>9.       </span>Conclusively, she will pay $32.3 for the shirts.</span>

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4 years ago

Six hundred two and six tenths as a decimal

AlexFokin [52]

Answer:

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Step-by-step explanation:

The six is in the hundreds place. Since no number is specified for the tens, a 0 goes there as a placeholder. The two, since it has no tag, is assumed to go in the ones. Another six goes in the tenths place after the decimal.

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cestrela7 [59]

Answer:

$28.91

Step-by-step explanation:

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2 years ago

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