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maxonik [38]
3 years ago
5

There are 28 students in the math class, and 22 of the students passed recently. What percentage did the test pass?​

Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0

About 79% passed

Hope this helps

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What is the factored from for -2r-6 PLEASE HELP! WILL MARK BRAINLIEST
Katarina [22]

Answer:

-2(r+3)

Step-by-step explanation:

4 0
3 years ago
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Find the areas of the shaded regions.
diamong [38]

Answer:

41.8887 cm^2

Step-by-step explanation:

area of a circle
A = pi * r^2
A = pi * (3 + 4)^2
A = pi * 49
A = 153.94

120 / 360 = 1/3
153.94 / 3 = 51.3134

now area of inner circle
A = pi * 3^2
A = pi * 9
A = 28.274
28.274 / 3 = 9.4247

subtract
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7 0
2 years ago
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gizmo_the_mogwai [7]

Answer:

the selling price is $28.50

i m confused on part b if you explain it i could help

Step-by-step explanation:

6 0
3 years ago
Amanda leaned a 15-foot ladder against the top of her house so she could get on the roof, which is 12 feet from the ground.
valentinak56 [21]

If you're trying to find the missing side of the "triangle" (the distance from the house to where the ladder touches the ground), you would use the pythagorean theorem, a²+b²=c². (c is always hypotenuse)

a²+b²=c²

12²+b²=15²

144+b²=225

b²=81

√b²=√81

b=9


8 0
3 years ago
HELP PLEASE I WILL GIVE BRAINLIEST AND 35 POINTS!!!!!!!!!!!!!!!!!!!!!!!Which statements are true about the ordered pair (−1, 5)
murzikaleks [220]
The ordered pair (-1,5) is a solution to the system because it makes both equations true.

1) x+y=4
2) x-y=-6

1) -1 + 5 = 4
    5-1 = 4   you can switch the order to make it easier to understand
        so
        4 = 4

2) -1 - 5 = -6
     -1 + -5 = -6 you can change the sign in the middle and make y - 
          so
        -6 = -6
3 0
3 years ago
Read 2 more answers
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