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marshall27 [118]
3 years ago
13

1. Joanne's waitressing job gave her a raise of $2 per hour. The first day on her new

Mathematics
2 answers:
jolli1 [7]3 years ago
8 0

Answer:

What exactly is the question?

MAXImum [283]3 years ago
4 0
Im proud of you Joanne
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Jessie estimated the weight of his cat to be 12 pounds. The actual weight of the cat is 15 pounds.
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Suppose a couple planned to have three children. Let X be the number of girls the couple has.
sesenic [268]

Answer:

a) {GGG, GGB, GBG, BGG, BBG, BGB, GBB, BBB}

b) {0,1,2,3}

c)

P(X=2) = \dfrac{3}{8}

d)

P(\text{3 boys}) = \dfrac{1}{8}

Step-by-step explanation:

We are given the following in the question:

Suppose a couple planned to have three children. Let X be the number of girls the couple has.

a) possible arrangements of girls and boys

Sample space:

{GGG, GGB, GBG, BGG, BBG, BGB, GBB, BBB}

b) sample space for X

X is the number of girls couple has. Thus, X can take the values 0, 1, 2 and 3 that is 0 girls, 1 girl, 2 girls and three girls from three children.

Sample space: {0,1,2,3}

c) probability that X=2

P(X=2)

That is we have to compute the probability that couple has exactly two girls.

\text{Probability} = \displaystyle\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}

Favorable outcome: {GGB, GBG, BGG}

P(X=2) =\dfrac{3}{8}

d) probability that the couple have three boys.

Favorable outcome: {BBB}

P(BBB) = \dfrac{1}{8}

8 0
3 years ago
PLEASE HELP :D ( these are multi step equations )
AnnyKZ [126]
For the first problem the answer is -5/2

2x−7+10=−2

Step 1: Simplify both sides of the equation.
2x−7+10=−2
2x+−7+10=−2
(2x)+(−7+10)=−2

(Combine Like Terms)
2x+3=−2

Step 2: Subtract 3 from both sides.
2x+3−3=−2−3
2x=−5

Step 3: Divide both sides by 2.
2x/2=−5/2
x=−5/2

Answer:
x= -5/2
3 0
3 years ago
BRAINLIEST FOR THE CORRECT ANSWER What is the slope-intercept equation for the line below?
disa [49]

Answer:

y=-2x-1

Step-by-step explanation:

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Gavyn was thinking of a number.gavyn halves it and gets an answer of 9.4 what was the original number?
kupik [55]
Answer:

18.80

Explanation:

All you have to do is add 9.4 to 9.4, or multiply 9.4 times 2, and you get 18.80
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