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rjkz [21]
2 years ago
10

Enter the correct answer in the box.

Mathematics
1 answer:
weeeeeb [17]2 years ago
8 0

Answer:b

Step-by-step explanation:

b

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Quinzel and Joseph sell shoes. Last month Quinzel sold 18 less pairs
hichkok12 [17]

Answer:

Quinzel sold 17 pairs of shoes last month.

Step-by-step explanation:

Let be "Q" the number of pairs of shoes Quinzel sold last month and "J" the number of pairs of shoes Joseph sold last month.

Set up a system of equations:

\left \{ {{Q=J-18} \atop {Q+J=52} \right.

Solve for "J" from the first equation:

J=Q+18

Applying the Substitution Method, you get:

Q+J=52\\\\Q+(Q+18)=52\\\\2Q=52-18\\\\Q=\frac{34}{2} \\\\Q=17

7 0
3 years ago
Please help due tomorrow, multiple choice
anzhelika [568]

Answer:

Step-by-step explanation:

12 is F

6 0
2 years ago
Find the probability of having 2,3, or 4 successes in five trials of a binomial experiment in which the probability of success i
Georgia [21]

Answer:

65.3%

Step-by-step explanation:

Binomial distribution PMF below (along with a description)

the probabilty of getting 2, 3, or 4 successes in 5 trials is just

p(2)+p(3)+p(4)

p(2)= 5C2*.4²*(1-.4)³ = .3456

p(3)= 5C3*.4³*(1-.4)²= .2304

p(4)= 5C4*.4⁴*(1-.4)=.0768

.3456+.2304+.0768= .6528

6 0
2 years ago
A book that cost $58 is now increased by 25 what is the new cost
Dennis_Churaev [7]

Answer:

the new cost is 83

Step-by-step explanation:

58 plus 25 is 83

3 0
2 years ago
-3x - 5=16 what does x equal?
alexandr1967 [171]

Answer: -7

Step-by-step explanation:

-3x - 5 = 16 (add 5 to 16)

-3x = 21 (divide by -3)

x = -7

8 0
3 years ago
Read 2 more answers
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