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anyanavicka [17]
3 years ago
10

Avery selects chips from a bag without looking at them. The bag has 5 green chips, 3 red chips, and 7 blue chips. What is the pr

obability that he selects a red or blue chip? A. 1/3
B. 7/15
C. 2/3
D. 14/15
Mathematics
2 answers:
SVEN [57.7K]3 years ago
6 0
2/3 is your answer. Have a nice day
kumpel [21]3 years ago
4 0

Answer:

C. 2/3

Step-by-step explanation:

p(event) = (number of desired outcomes)/(total number of outcomes)

The total number of outcomes is the sum of the numbers of all chips.

5 + 3 + 7 = 15

The desired outcomes are any red or blue chips to be drawn.

There are 3 red chips and 7 blue chips.

3 + 7 = 10

Number of desired outcomes = 10

p(red or blue) = 10/15 = 2/3

Answer: C. 2/3

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Suzette went to the mall with her uncle Louie and ended up having to borrow some money to finish her holiday shopping. Suzette s
sergejj [24]

Answer: she had 6 dollars at the beginning of her spree

Step-by-step explanation:

4 0
3 years ago
Pencils are sold in boxes of 10 Erasers are sold in boxes of 14 A teacher wants to buy the same number of pencils and erasers wo
Neko [114]

Answer:

7 boxes of pencils and 5 boxes of erasers.

Step-by-step explanation:

The least common denominator of these two numbers are 70. 7×10 and 14×5. So she is purchasing the same quantity of both.

8 0
3 years ago
F(x)=2x^2+4x-16<br> g(x)=4x^2-16<br> Find (f/g)(x).
Nastasia [14]

Answer:

Step-by-step explanation:

(\frac{f}{g} )(x) = \frac{2x^{2} +4x-16}{4x^{2} -16}

2x²+4x -16 =  2(x²+2x-8); factor 2

                  = 2(x+4)(x-2) ;factor the quadratic equation

4x²-16  = 4(x²-4) ; factor 4

            =4(x²- 2²) ; rewrite 4 as 2²

           = 4(x-2)(x+2); now use the difference of two squares a²-b²=(a-b)(a+b)

so now we have:

(\frac{f}{g}) (x) = \frac{2(x+4)(x-2)}{4(x-2)(x+2)} ; simplify (x-2) from numerator and denominator

                                  and 2/4 as 1/2

(\frac{f}{g}) (x) = \frac{(x+4)}{2(x+2)}

8 0
3 years ago
Graph f(x)=2ˣ−1 and g(x)=−x+5 on the same coordinate plane.
Evgesh-ka [11]

Graph attached

  • Solution is (2,3)

3 0
2 years ago
This year, Mrs. Fisher has 9 students who are new to the school. The number of new students represents 7.5% of all her students.
Lelu [443]
7.5\% \text { of } x = 9 \text { students}

0.75 \times x = 9 \text { students}

0.75x = 9
5 0
3 years ago
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