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s344n2d4d5 [400]
2 years ago
5

The​ z-score with a​ two-tail probability of 0.55 is

Mathematics
1 answer:
katrin2010 [14]2 years ago
7 0

Answer:

-0.61

Step-by-step explanation:

0.55/2=0.275

Read 0.275 from normal distribution tables

Gives -0.61

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Abby earns $48 for babysitting for 6 hours . At that rate , how many hours will it take her to make $72
never [62]

Answer:

nine hours

Step-by-step explanation:

48 divided by 6 is 8 and 8 times 9 is 72

8 0
4 years ago
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What is 2/-4 simplified<br>​
pickupchik [31]

Answer:

-0.5 is the answer I think

8 0
3 years ago
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What is one way to test whether an unknown solution is acidic or basic?
jasenka [17]

Answer:

Bases change red litmus into blue and bases have a slippery and soapy texture. Therefore, we can conclude that out of the given options, one way to test whether an unknown solution is acidic or basic is to check whether the solution has a slippery feel

Step-by-step explanation:

3 0
3 years ago
.Write the equation of the line that passes through (5,0) and is perpendicular to the line y = 5x + 55.​
Pavlova-9 [17]

Answer:

y=-1/5 x+c

0=-1/5(5)+c

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Step-by-step explanation:

6 0
3 years ago
At a pet store, one fifth of the animals are cats and three-fourth are fish. There are 40 animals at the pet store. How many are
dybincka [34]

Answer:

2 animals

Step-by-step explanation:

Number of animals=40

Fraction of fish=3/4

=>number of fish=3/4*40=30

Fraction of cats=1/5

=>number of cats=1/5*40=8

Animals which are not cats or fish are=total number of animals-(number of cats + number of fish)

Animals which are not cats or fish=40-(8+30)

40-38

2 animals


7 0
3 years ago
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