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8_murik_8 [283]
2 years ago
15

Find the probability of not rolling prime numbers on both dice

Mathematics
1 answer:
gladu [14]2 years ago
6 0
Here’s the prime numbers on one dice: 2 3 5, so 3/6. If you have two die then your answer is 6/12. You have a 50 percent chance of not rolling prime numbers on both.
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Misty wishes to obtain 85 ounces of a 40% acid solution by combining a 72% acid solution with a 25% acid solution. How much of e
Y_Kistochka [10]

13.15 ounces of 72% acid and 71.85 ounces of 25% acid are needed

<u>Step-by-step explanation:</u>

Total mass of acid required= 85 ounces

Let the mass of 72% acid be 'a'

Let the mass of 25% acid be 'b'

a + b = 85

b = 85-a

85(40/100) = a(72/100) + b(25/100)

85(2/5) = a(72/100) +(85- a) (25/100)

34 = (72a/100) + (2125/100) - (25a/100)

34 - (2125/100) = (72a + 25a) /100

(3400-2125)/100 = 97a /100

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b = 85 - 13.14

b = 71.85 ounces

13.15 ounces of 72% acid and 71.85 ounces of 25% acid are needed

4 0
3 years ago
tinas salsa class membership which s $15 is deducted automatically from her bank account every month. which expression show the
mihalych1998 [28]
Y=-15x(12) I believe is the answer.
8 0
3 years ago
8y - 3y Combining like terms
Alchen [17]

Answer:

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8 0
3 years ago
Read 2 more answers
Evaluate x/y when x=32 and y=4.
lbvjy [14]

Answer:

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y = 4

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Hope it helps!

4 0
2 years ago
Read 2 more answers
Find the result when 90 is decreased by 35%.<br> 58.5<br> 75.6<br> 60.5<br> 78.5
avanturin [10]
In this question, it's asking you to find the number when 90 is subtracted by 35%. So, you find 35% of 90 which is 31.5 and you minus it from 90 = 58.5.

> 90 x 35% = 31.5
> 90 - 31.5 = 58.5
3 0
3 years ago
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