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Amanda [17]
2 years ago
9

Can some help me pleas I don’t know

Mathematics
1 answer:
leva [86]2 years ago
5 0

Answer:

$0.78 for one bar

Step-by-step explanation:

2.34 divided by 3, is .78. that means the unit rate (how much for just one) is $0.78.

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If Sue worked 28 hours this week and made $172 in tips, how much did her weekly pay
sergejj [24]
Do 178 times 28 which equals 4,984 then you do 4,984 decided by 7 which equals 712 because there are 7 days a week. So the answer is 712.
6 0
2 years ago
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The difference between an ostrich's speed and a chicken's speed
hjlf

Answer:

9 miles an hour

Step-by-step explanation:

9

3 0
3 years ago
Cuánto es la ecuación 5x +6 =21​
aliya0001 [1]

Answer:

x=3

Step-by-step explanation:

5x+6=21

5x=15

x=3

8 0
2 years ago
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A Normal model states that if we draw repeated random samples of the same​ size, n, from some population and measure sample​ pro
notka56 [123]

Answer:

1) Randomization condition: We assume that we are selecting random samples so this condition is satisfied

2) 10% condition: We assume that the random sample selected is less than 10% of the population size

3) Success/ Failure condition:

For this case we need to satisfy this:

np \geq 10, n(1-p)\geq 10

So since the condition 1 and 2 are satisfied the correct option for this case would be:

a)np and nq must be respectively at least equal to 10

Step-by-step explanation:

Assuming the following options:

a)np and nq must be respectively at least equal to 10

b) as n increases, the distribution of sample proportions becomes less Normal

c) np and nq must be respectively less than 10

d) np plus nq must be at least 10.

For this case we need 3 basic conditions:

1) Randomization condition: We assume that we are selecting random samples so this condition is satisfied

2) 10% condition: We assume that the random sample selected is less than 10% of the population size

3) Success/ Failure condition:

For this case we need to satisfy this:

np \geq 10, n(1-p)\geq 10

So since the condition 1 and 2 are satisfied the correct option for this case would be:

a)np and nq must be respectively at least equal to 10

8 0
3 years ago
Helpppppppppppp plzzzzzzzzzzzzzzzzzz!
prisoha [69]

Answer: F=140

Step-by-step explanation:

720=(x-60)+(x-40)+(x-20)+130+120+110

720-130-120-110=3x-120

360=3x-120

360+120=3x

480=3x

480/3=x

160=x

F=160-20

Next problem

102+31+x=180

133+x=180

x=180-133

x=47

7 0
3 years ago
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