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blsea [12.9K]
3 years ago
5

In a class of 24 students, 25 percent of them failed a test. How many students failed a test

Mathematics
2 answers:
scZoUnD [109]3 years ago
8 0
25 is 1/4 and 1/4 of 24 is 6 ( that is the easy way)

Tcecarenko [31]3 years ago
4 0
X/24 = 25/100
100x = 600
100x/100 = 600/100
x = 6
6 students failed the test
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Help me please!!!!!!!!!!!
tangare [24]

Answer:

m∠B = 107°

Step-by-step explanation:

The given geometric figure is a deltoid or quadrilateral with two pairs of equal adjacent sides whose diagonals are perpendicular.

The longer diagonal divides two opposite angles into two equal parts, which means:

m∠A = 2 · 32 = 64°

m∠C = 2 · 41 = 82

Also the angles m∠B ≅ m∠D = x

The total sum of the inner angles in the quadrilateral is 360°, which means:

2 · x = 360 - ( 64 + 82) = 360 - 146 = 214 => x = 214/2 = 107°

m∠B = 107°

God with you!!!

7 0
3 years ago
2
pentagon [3]

Answer:

7xy^2 - 2xy^2

Step-by-step explanation:

Subtracting 3xy² from 8xy² is 8xy² - 3xy² = 5xy²

And 7xy^2 - 2xy^2= 5xy²

3 0
2 years ago
You spent $10 on office supplies out of a $25 budget. What percentage did you spend
Alexxandr [17]
The simplest way to find percent is to take the partial number, divide by the whole number, and multiply the answer by 100%.

= 0.4

0.4 x 100% = 40%.
8 0
2 years ago
Bob is going on a bike ride. He rides for 7 hours for a total of 105 miles. How fast did he ride?Immersive Reader
dlinn [17]

Answer:

15 miles per hour.

Step-by-step explanation:

105/7=15

8 0
2 years ago
A cotton candy vendor has 22 cones of blue cotton candy to sell. If the blue cotton candy is 50% of the total number of cones, h
Feliz [49]
44. You can come to this answer by using algebra,
1/2x = 22
Multiply both sides by 2(denominator) thus,
X = 44.
Or you can use lateral thinking and realise that if 22 is 50%, you need to multiply by 2 to reach 100%.
4 0
3 years ago
Read 2 more answers
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