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finlep [7]
3 years ago
13

Bryce is testing whether school is more enjoyable when students are making high grades. He asked 100 students if they enjoyed sc

hool and whether their GPA was
above or below 3.0. He found that 33 of the 40 students with a GPA above 3.0 reported that they enjoyed school, and 5 of the 60 students with a GPA below 3.0
reported that they enjoyed school. What is the probability that a student with a GPA below 3.0 does not enjoy school?
Mathematics
1 answer:
GrogVix [38]3 years ago
8 0
Hiiiiiiii The answer would be D
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$7.50 meal; 6.5% tax _____
enyata [817]

Answer:

14.0

Step-by-step explanation:

$7.50 meal + your 6.5$ tax.

We add those and it will equal 14.00

7 0
3 years ago
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Number 12.
blondinia [14]

Answer:

22) 22

23) -350

Step-by-step explanation:

22)

1/4 = 0.25 ft

5.5 / 0.25 = 22

Answer: 22 tiles are needed

23)

12(x + 360) = 120

x + 360 = 10

x = - 350

4 0
3 years ago
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What’s the mean of 39,49,50,28,55,62,35,27,51
ra1l [238]
Answer: the mean is 44
Explanation: add up all the numbers and then divide by how many numbers there are
3 0
3 years ago
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Complete the square than convert to vertex form. y=2x^2+8x-9​
8_murik_8 [283]

y=2x^2+8x-9\\D=b^2-4ac\\D=64-4(2)(-9)\\D=64+72 > 0

There are 2 roots so the only way to complete the square is,

y=2x^2+8x-9\\y=2[(x^2+4x)]-9\\y=2[(x^2+4x+4)-4]-9\\y=2[(x+2)^2-4]-9\\y=2(x+2)^2-8-9\\y=2(x+2)^2-17

Just factor 2 out of 2x^2+8x (just ignore the -9) then find the number that will make the terms be able to complete the square.

then complete the square and multiply 2 inside the brackets.

subtraction as you already get the vertex form and know how to complete the square.

Vertex Form: y=2(x+2)^2-17

3 0
3 years ago
5 friends go out to lunch and order 4 pizzas . The friends divided the pizzas evenly. find how much pizza each friend got as a d
Ainat [17]
0.8 I think. I'm not 100% sure
8 0
3 years ago
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