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barxatty [35]
3 years ago
15

A student scored a 98, 86, 93 and 75 in math for the quarter. What is the student's math average for the quarter?

Mathematics
2 answers:
Sauron [17]3 years ago
5 0
Add all the grades and divide by the number of grades. The answer is 88.
NNADVOKAT [17]3 years ago
3 0
98+86+93+75=352

352/4=88

The math average is 88.
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Which construction is being shown in the diagram?
11Alexandr11 [23.1K]

Answer:

Correct answer is option <em>D)</em> Construct the bisector of an angle.

Step-by-step explanation:

Angle bisector of an angle is a line that divides the angle in two equal parts.

A Line <em>BD</em> is called the angle bisector of \angle ABC if

\angle ABD = \angle CBD

Please refer to image attached.

As per the question image, if the line PW is joined it will be the angle bisector of \angle QPR.

Steps of construction of angle bisector:

1. Draw the angle QPR.

2. Open compass and make an arc that will cut the two lines on points Q and R respectively as shown in question figure.

3. With the same compass opening, put the compass on Q and make an arc in the area between \angle QPR.

4. Draw an arc keeping the compass on R to cut the previous arc on point W.

Line joining the points P and W is the angle bisector of \angle QPR.

So, Correct answer is option <em>D)</em> Construct the bisector of an angle.

6 0
3 years ago
 Divide 1 hour in the ratio 1 : 9 : 10
olganol [36]

Answer:

3 minutes; 27 minutes; 30 minutes

Step-by-step explanation:

Let the common multiplier of the given ratios be x. So, the ratios 1: 9 : 10 will become x, 9x and 10x respectively.

Therefore,

x + 9x + 10x = 1 \: hour \\  \\ 20x = 60 \: minutes \\  \\ x =  \frac{60 \: minutes}{3}   \\  \\ x = 3 \: minutes \\  \\ 9x = 9 \times 3 = 27 \: minutes \\  \\ 10x =  10 \times 3 = 30 \: minutes

Thus, 1 hour in the ratio 1 : 9 : 10 can be divided as:

3 minutes; 27 minutes; 30 minutes

5 0
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IRISSAK [1]
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3 0
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Answer:

(9,6)

Step-by-step explanation:

You just take one of the (x,y) pairs and switch the numbers with each other so it's like (y,x)

5 0
3 years ago
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Kay [80]
8 times 8 is the closest you can get to 71 without going over, since 8 times 9 would be 72.
5 0
3 years ago
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