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kap26 [50]
3 years ago
5

What is the answer help ASAP!! :))

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

b

Step-by-step explanation:

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Work out the difference in minutes, between 1 hour 50 minutes and 1 3/4 hours
m_a_m_a [10]

Answer:

5 mins difference

Step-by-step explanation:

1 3/4 hours = 1 hour and 45mins

50-45=5mins

8 0
3 years ago
Read 2 more answers
Molybdenum rods are produced by a production line setup. It is desirable to check whether the process is in control, i.e. equal
ikadub [295]

Answer: Test statistic = -8 and rejected region is  (-∞,-1.966) and (1.966, ∞)

Step-by-step explanation:

Since we have given that

X is the length of a rod.

Sample Mean = 2 inches

Standard deviation = 0.5 inches

n = 400

Hypothesis are

H_0:\mu=2.2\\\\H_1:\mu\neq 2.2

Test statistics would be

t=\dfrac{\bar{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}}\\\\t=\dfrac{2-2.2}{\dfrac{0.5}{\sqrt{400}}}\\\\t=-8

Degrees of freedom = n-1 =400-1 =39

and \alpha =0.05\\\\\dfrac{\alpha }{2}=\dfrac{0.05}{2}=0.025

Using the t-distribution table, we get that critical value z = 1.966

Since the two tail test will be applied to this,

So, the acceptance region will be (-1.966, 1.966)

Hence, the rejected region will be (-∞,-1.966) and (1.966, ∞)

5 0
3 years ago
What is 3 1/5 times 3/8
Vsevolod [243]

Answer:

6/5

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which inequality represents this situation? The number of students, s, who ride in a bus is less than 30. A. S < 30 B. S >
mezya [45]

Answer:

A.s<30

Step-by-step explanation:

We are given that

Number of students who ride in a bus=s

We have to find the inequality which represents the given situation.

According to question

s<30

A.s<30

It is true.

B.s>30

It is false because s is less than 30

C.s\geq 30

It is false because s<30

D.s\leq 30

It is false because s<30

Option A is true.

7 0
2 years ago
The system of linear equations 5x+3y = 3 and X+ y = -1 is graphed below
ExtremeBDS [4]

Answer:

(2,-3)

Step-by-step explanation:

these are the steps in the picture above

3 0
3 years ago
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