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4 years ago

Pls help due today plsssss

Mathematics

2 answers:

pickupchik [31]4 years ago

8 0

Answer:

it is 46 because you add 20+10=30 then 30+8=38 then you add 38+6=46

Mandarinka [93]4 years ago

3 0

Answer:

Step-by-step explanation:

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Nicole has a collection of dolls that weigh 2/2 gram. How much would 2 dolls weigh?

SashulF [63]

Answer:

Step-by-step explanation:

Because 2/2 equals 1, and 1 * 2 = 2

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3 years ago

Simplify (x^-5) (x^2)*

Pani-rosa [81]

Answer:

1/x^3

Step-by-step explanation:

foil method

6 0

3 years ago

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Answer:

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Step-by-step explanation:

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7 0

3 years ago

Katherine Johnson is best known for her work on ________.

Mila [183]

Answer:

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7 0

3 years ago

Heather measures the temperature of her coffee to be 133.4 degrees fahrenheit. It is actually 145 degrees fahrenheit. What is th

zhenek [66]

Answer:

The percent error of Heather's calculation is <u>8%</u>.

Step-by-step explanation:

Given:

Heather measures the temperature of her coffee to be 133.4 degrees fahrenheit. It is actually 145 degrees fahrenheit.

Now, to find the percent error of Heather's calculation.

The temperature of coffee Heather measures = 133.4° F.

Coffee's actual temperature = 145° F.

So, to get the measurement in error we subtract the temperature of coffee Heather measures from coffee's actual temperature:

$145-133.4=11.6\°.$

Now, to get the percent error:

$\frac{11.6}{145}\times 100$

$=\frac{1160}{145}$

$=8\%.$

Therefore, the percent error of Heather's calculation is 8%.

5 0

3 years ago