3 years ago

Plz help due tonight

Mathematics

1 answer:

Assoli18 [71]3 years ago

4 0

It is 1. 2 and 3 are base angles.

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It takes about 20 minutes to grade a student’s paper. How long, in hours, does it take to grade papers for a class of 30 people?

insens350 [35]

Answer:

The answer is 600 minutes (10 hours)

Step-by-step explanation:

20 minutes = 1 student.

30 students x 20 = 600 minutes

600mins / 60 (because an hour has 60 mins) = 10 hours.

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3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=3%20%20%5Cfrac%7B1%7D%7B2%7D%20%20%2B%202%20%5Cfrac%7B1%7D%7B4%7D%20%20-%201%20%5Cfrac%7B1%7D%

Svetach [21]

Answer:

Step-by-step explanation:

Step 1: Convert into improper fractions

Step 2: Find least common denominator and find equivalent fractions

Step 3 : Do the required operation

$3\frac{1}{2}+2\frac{1}{4}-1\frac{1}{2}=\frac{7}{2}+\frac{9}{4}-\frac{3}{2}\\$

Least common denominator of 2 , 4 = 4

$=\frac{7*2}{2*2}+\frac{9}{4}-\frac{3*2}{2*2}\\\\=\frac{14}{4}+\frac{9}{4}-\frac{6}{4}\\\\=\frac{14+9-6}{4}\\\\=\frac{17}{4}\\\\=4\frac{1}{4}$

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3 years ago

Tessa had $110 in her checking account. She paid her cable/internet bill for $75. She deposited $50 from her part-time job befor

Nesterboy [21]

110-75+50-85 =

110+50=160

75+85 = 160

160-160=0

her balance is 0

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4 years ago

Which graph represents this system of equations?<br> y + 2x = 3<br> y+2 = 3.0

Tems11 [23]

Answer:

Blue = y+2 = 3

Red = y+2x = 3

Step-by-step explanation:

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3 years ago

What statements are true? Select the five correct answers

Elis [28]

where are the statements??

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3 years ago