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astra-53 [7]
3 years ago
8

Write -7.5 as a common fraction.

Mathematics
1 answer:
Alina [70]3 years ago
4 0

Answer:

-15/2  (or  -7 1/2)

Step-by-step explanation:

-7.5 is equal to -75/10.

When you simplify it, you get:

-15/2  which simplifies to -7 1/2

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Alika [10]

Answer: The critical value for a two-tailed t-test = 2.056

The critical value for a one-tailed t-test = 1.706

Step-by-step explanation:

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Again, Using student's t distribution table , the critical value for a one-tailed t-test will be :-

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4 years ago
$20 haircut with 10% and 7% tax
Anika [276]

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The price of a 20$ haircut with a 10% tax would be $22.

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3 years ago
Which equation does the graph of the systems of equations solve? 2 linear graphs. They intersect at 1,4
Pepsi [2]

Answer:

See below.

Step-by-step explanation:

There is an infinite n umber of systems of equations that has (1, 4) as its solution. Are you given choices? Try x = 1 and y = 4 in each equation of the choices. The set of two equations that are true when those values of x and y are used is the answer.

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121

Step-by-step explanation:

EDG 21

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