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3241004551 [841]
3 years ago
9

Write an equation and solve. Round to the nearest hundredth where necessary.

Mathematics
1 answer:
Colt1911 [192]3 years ago
7 0
About 27.5 percent so B is the correct answer
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What is a the answer??
soldier1979 [14.2K]

Answer:

First one=120,138 Second one=477,900

Step-by-step explanation: For the first one use subtraction, and for the second one use multiplication. Such as multiplying each digit of 6,372 by 7 and by 5. The top one is pretty self explanatory.

4 0
3 years ago
Read 2 more answers
uppose a new production method will be implemented if a hypothesis test supports the conclusion that the new method reduces the
True [87]

Tn the given situation, the appro[riate null hypotheses and alternative hypotheses are: H₀: μ₁ ≥ μ₂a and H₁: μ₁ < μ₂

<h3>What are alternative hypotheses?</h3>

An assertion used in statistical inference experiments is known as the alternative hypothesis.

It is indicated by Ha or H1 and runs counter to the null hypothesis.

Another way to put it is that it is only a different option from the null.

An alternative theory in hypothesis testing is a claim that the researcher is testing.

The initial assertion that forms the null hypothesis frequently rests on research from the past or expert knowledge.

According to the alternative hypothesis, a population parameter is either less, larger, or different from the value predicted by the null hypothesis.

So, the new production method supposedly lowers the mean operating cost per hour.

The following are the hypothesis when comparing the average production costs of the new production method (μ₁) with the old production method (μ₂):

H₀: μ₁ ≥ μ₂

H₁: μ₁ < μ₂

Therefore, in the given situation, the appro[riate null hypotheses and alternative hypotheses are: H₀: μ₁ ≥ μ₂a and H₁: μ₁ < μ₂

Know more about alternative hypotheses here:

brainly.com/question/13045159

#SPJ4

7 0
2 years ago
The sum of a number and ten is twenty in algebraic equation​
Shtirlitz [24]

Step-by-step explanation:

Let the number be x. Then x + 10 = 20.

This is all you need to write out. But, for practice, find the solution as well.

3 0
3 years ago
Read 2 more answers
Nathan is planning to ride his bike for 24 minutes.
Bas_tet [7]

Answer:

2 miles

Step-by-step explanation:

60 min = 1 hour

24 min = x

x = 2/5 hour

1 hour = 5 miles

2/5 hour = y

y = 2 miles

7 0
3 years ago
Finish writing the equation of the line y= -3/2x+?, given the points (6, -5) and (-2, 7).
anastassius [24]

Answer:

y=-3/2x+4

Step-by-step explanation:

In order to solve this you need to graph the points and then draw a line threw them. The place where the line crosses through the y-intercept is the value for b in y=mx+b.

6 0
3 years ago
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