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dezoksy [38]
3 years ago
13

A history test has 30 questions. A student answers 90% of the questions correctly. How many questions did the student get correc

t.
Mathematics
1 answer:
algol133 years ago
7 0

Answer:

27 questions

Step-by-step explanation:

Hope this helps!

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Simplify 71/35 keep the number in improper form
iogann1982 [59]
Decimal form: 2.03 (rounded)
If you want to keep the fraction form, it is simplified to the farthest point without taking it out of the improper form
8 0
3 years ago
Solve for r. 35r-21<-35r+19
Mnenie [13.5K]

Good morning ☕️

Answer:

r < \frac{4}{7}

Step-by-step explanation:

35r-21 < -35r+19

⇌ 35r + 35r < 19 + 21

⇌ 70r < 40

⇌ r < 40/70

⇌ r < 4/7

_________________________

:)

5 0
4 years ago
A 11-inch candle burns down in 4 hours. At what rate does the candle burn, in inches per hour?
aliya0001 [1]

2.75 inches per hour

11/4=2.75

8 0
2 years ago
Read 2 more answers
The perimeter of a rectangular field is 320320 yd. the length is 2020 yd longer than the width. find the dimensions.
hichkok12 [17]
The sum of length and width is half the perimeter, 160 yd. The length is the average of the sum and difference of dimensions:
.. (160 +20)/2 = 90
Then the width is 160 -90 = 70

The rectangular field is 70 yd by 90 yd.
6 0
3 years ago
What's 5and24/10 divided by 4?
Alchen [17]
First, convert 5 and 24/10 into a mixed fraction:

5 and 24/10 = 74/10

Now, divide 74/10 by 4:

74/10 ÷ 4 = 74/10 × 1/4
                
= 74/40
                = 37/20
                = 1 and 17/20

(Remember that dividing requires you to reciprocate 4)

Hope this helps!


5 0
3 years ago
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