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2 years ago

8

The area of a rectangular piece of plastic is 10 square millimeters. The perimeter is 22 millimeters. What are the dimensions of

the piece of plastic?

1 answer:

Serhud [2]2 years ago

4 0

2789 dimensions because it’s simple u multiple them

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John and Carol are building a model of a Saturn V rocket, with a scale of 1:33. An actual Saturn V rocket is 363 feet long and h

OleMash [197]

Answer:

11 feet

Step-by-step explanation:

363/33=11

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2 years ago

Kendra has $ 9.90 in dimes and quarters. If she has 4 times as many quarters as dimes, how many of each coin does she have?

KatRina [158]

Since it is 4 times as many quarters and dimes, you can use a chart for guess and check. I started with 8 dimes and 32 quarters.

If you keep going, you end up with the fact that there are 36 quarters and 9 dimes.

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2 years ago

The rule is “1, 2.” What is the 42nd number?

ivolga24 [154]

Answer:

42

Step-by-step explanation:

5 0

2 years ago

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Y1=4(5x-1), y2-=5x+1 and y1 is 344 more than 2 times y2

alisha [4.7K]

$y_1=4(5^x-1)$ and $y_2=5^x+1$

$y_1=344+2y_2$
$y_1=344+2(5^x+1)$
$4(5^x-1) = 344 + 2(5^x+1)$
$(4)(5^x)-4=344+2(5^x)+2$
$4(5^x)-2(5^x)=344+2+4$
$2(5^x)=350$
$5^x= \frac{350}{2}$
$5^x=175$
$log(5^x)=log(175)$
$x(log(5))=log(175)$
$x= \frac{log175}{log5}$
$x=3.21$ (rounded to two decimal places)

4 0

3 years ago

What is x(3x+2)?Please give a reasonable explaination and answer.

Andru [333]

Answer:

3x squared + 2x as you multiply everything in the bracket by what's on the outside of the bracket so it would be 3x multiply by x which equals 3x squared and 2 multiply x which equals 2x

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2 years ago

Read 2 more answers