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artcher [175]
3 years ago
13

7. The probability of passing an

Mathematics
1 answer:
Citrus2011 [14]3 years ago
3 0

Answer:

Option B

Step-by-step explanation:

Total Probability = 1

Probability of passing = 0.77

Probability of failing = 1-0.77

=> 0.23

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MaRussiya [10]
Just divide it and you will get the answer
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1 1/4 as a improper fraction ​
ludmilkaskok [199]
That would be
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Explanation:
This answer is valid because, when you multiply
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Have a great day!
8 0
3 years ago
Read 2 more answers
Date
ss7ja [257]

Answer:

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7 0
3 years ago
Graph y > x^2 - 5. Click on the graph until the correct one appears.
kenny6666 [7]

y=x^2\\\\for\ x=\pm2\to y=(\pm2)^2=4\to(-2;\ 4);\ (2;\ 4)\\\\for\ x=\pm1\to y=(\pm1)^2=1\to (-1;\ 1);\ (1;\ 1)\\\\for\ x=0\to y=0^2=0\to (0;\ 0)

Shift the graph of the function y = x², 5 units down /look at the picture #1/.

y > x^2-5 /look at the picture #2/ - your answer

7 0
3 years ago
Read 2 more answers
Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference o
tatyana61 [14]

Answer : 96

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1/8 x + 1/2 y = 52

x is the higher grade and y is the lower grade

We solve the first equation for y

x - y = 16

-y = 16 -x ( divide each term by -1)

y = -16 + x

Now substitute y in second equation

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Take common denominator to combine fractions

1/8x + 4/8x -8 = 52

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Add 8 on both sides

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Multiply both sides by 8/5

x = 96

We know x is the higher grade

96 is the higher grade of Jose’s two tests.

8 0
3 years ago
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