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3 years ago

5

Converting Measurements to Solve Problems

1 answer:

Shkiper50 [21]3 years ago

4 0

Answer:

She should have multiplied by 10,000.

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As instructor grades exams, 30%; term paper, 20%; and final exam, 50%. A student had grades of 75,80, and 85, respectively, for

Leni [432]

Okay, so 75 counts for 30% (exams), 80 counts for 20% (term paper), and 85 counts for 50% (final exam)

So you would multiply 30% by 75, 20% by 80, and 50% by 85. That would be 22.5, 16, and 42.5. Add these numbers up, and put them over the total percentage, 100%. So you would have 81/100. The student's final average is 81%.

6 0

2 years ago

Simplify this expression.<br> 6x/<br> 9(x + y)

iVinArrow [24]

Answer:

9x+9y

Step-by-step explanation:

9(x+9y

9x+9y

solution

9x+9y

4 0

2 years ago

This is a similar triangle please find the missing length. (?)

stira [4]

Answer:

10

Step-by-step explanation:

Set up as a proportion:

$\frac{QR}{QP}=\frac{BA}{BC}$ , insert given values

$\frac{?}{12}=\frac{30}{36}$ , cross multiple

36*?=30*12

36*?=360, divide both sides by 36 to get the missing side (?) by itself

?=10

3 0

2 years ago

A book contains 256 pages. A school has 48 copies of this book. How many total pages are there in the books?

svp [43]

Answer:

The answer is 12,288

Step-by-step explanation:

Hope this right.But if it's not im so sorry.

<em>H</em><em>a</em><em>v</em><em>e</em><em> </em><em>a</em><em> </em><em>n</em><em>i</em><em>c</em><em>e</em><em> </em><em>d</em><em>a</em><em>y</em><em> </em><em>:</em><em>v</em>

8 0

3 years ago

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The Rational Number<br>0

mafiozo [28]

Answer:

yes the rational no.is 0

8 0

2 years ago

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