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statuscvo [17]
3 years ago
14

Twenty-four students took a test. Fourteen students earned an A and 10 students earned a B. A student will be randomly chosen.

Mathematics
2 answers:
White raven [17]3 years ago
8 0
7/12 simplest form is the answer


Alex_Xolod [135]3 years ago
6 0
The probability of a student that earned an A on the test is 7/12.

To get a fraction like this, you put the number of students on the left, or the top and the number of students total on the right, or bottom. Then, you simplify your answer. This brings us to 7/12. You cannot simplify any further because the fraction includes a prime number.


I hope this helps!
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Find the common ratio r for the given geometric sequence and find the next three terms.
34kurt

Answer:

The common ratio is -2

Next three terms are 18, -36, and 72

Step-by-step explanation:

The common ratio is -2 since each consecutive term is being multiplied by -2

The next three terms are -9(-2) = 18, 18(-2) = -36, and -36(-2) = 72

4 0
2 years ago
Read 2 more answers
a 5 inch tall bamboo shoot doubles in height every 3 days. if the equation, y=ab^x where x is the number of doubling periods, re
Lemur [1.5K]
X-doubling periods
Y-height of bamboo
Y=ab^x

1) make a table of values
X Y
1 5
2 10
3 20

2) write equations and substitute
5=ab^1 —> a=5/b^1 —> a=5/b
10=ab^2

Substitute into second equation

10=(5/b)*b^2
10=5b^2/b
10=5b
b=2

Substitute back in

b=2
10=a*2^2
10=4a
a=5/2

End equation:
Y=5/2*2^x


3 0
3 years ago
Match each subtraction problem on the left with the equivalent simplified expression on the right.
Ahat [919]

Answer:

A-3, B-4, C-1, D-2

Step-by-step explanation:

A:

  • 5x-(3x+1)
  • Expand, 5x-3x-1
  • Combine like terms, 2x-1

B:

  • 5x-(-3x-1)
  • Expand, 5x+3x+1
  • Combine like terms, 8x+1

C:

  • -5x-(3x+1)
  • Expand, -5x-3x-1
  • Combine like terms, -8x-1

D:

  • -5x-(-3x-1)
  • Expand, -5x+3x+1
  • Combine like terms, -2x+1

4 0
2 years ago
Plz help for exam!!!<br> Solve for x and y.
ad-work [718]

Answer:

A x-198,y-99\sqrt{3}

Step-by-step explanation:

since sin p/h you can say

perpendicular is 99

and hypotenuse is x

sin 30=99/x

x=198

and cos is b/h

base is y

and hypotenuse is x

cos 30=y/198

y-99\sqrt{3}

6 0
3 years ago
10 = z/2 + 7<br> Help please..??
laila [671]
10 = \frac{z}{2} + 7\\\\3 = \frac{z}{2}\\\\\boxed{\bf{z = 6}}
7 0
2 years ago
Read 2 more answers
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