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pentagon [3]
3 years ago
7

1. How many minutes until quarter of TEN?

Mathematics
1 answer:
Irina18 [472]3 years ago
3 0

Answer:

80 mins

Step-by-step explanation:

80 mins from 8.25 will be 10.15

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Viefleur [7K]

Answer:

15

Step-by-step explanation:

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3 years ago
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I will give brainliest please help
zimovet [89]

Answer:

x^5y^5

Step-by-step explanation:

<em>here's</em><em> your</em><em> solution</em>

=> if base are same then power get added in multiplication

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What is the expression in factored form? x2 + 14x + 48
scZoUnD [109]
(x+6)(x+8) = 0 
x = -6 or x = -8

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3 years ago
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Which is equivalent to 256 3/4?<br>A.4 <br>B.12 <br>C.64 <br>D.192
posledela
If you were going to multiply those two numbers, the answer would be D, 192.
4 0
3 years ago
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You are testing the claim that the mean GPA of night students is different from the mea GPA of day students. You sample 20 night
svetlana [45]

Answer:

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

Step-by-step explanation:

Here n= 20

Sample mean GPA = x`= 2.84

Standard mean GPA = u= 2.55

Standard deviation = s=  0.45.

Level of Significance.= ∝ = 0.01

The hypothesis are formulated as

H0: u1=u2   i.e the GPA of night students is same as the mean GPA of day students

against the claim

Ha: u1≠u2

i.e the GPA of night students is different from the mea GPA of day students

For two tailed test  the critical value is  z ≥ z∝/2= ± 2.58

The test statistic

Z= x`-u/s/√n

z= 2.84-2.55/0.45/√20

z= 0.1441

As the calculated value of z does not lie in the critical region the null hypothesis is accepted that the GPA mean of the night students is the same as the GPA mean of the day students.

8 0
3 years ago
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