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Dmitrij [34]
3 years ago
14

Simplify.

Mathematics
2 answers:
Brums [2.3K]3 years ago
6 0
(1+1/3)^2 - 2/9
= (3/3 +1/3)^2 - 2/9
= (4/3)^2 -2/9
=16/9 - 2/9
=14/9
=1 5/9
Natalija [7]3 years ago
3 0
(1+1/3)^2 =(4/3)^2=16/9
therefore
16/9 - 2/9 = 14/9 = 1 5/9
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5x + 5 = 25<br> What is x?
Alexeev081 [22]

Answer:

x = 4

Step-by-step explanation:

5x + 5 = 25

-5           -5

5x = 20

----    ---

5      5

x = 4

3 0
3 years ago
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
8 over 9 + 7 over 9 bjf
valkas [14]

Answer:

That would be 0.87

Step-by-step explanation:

Is that the answer you wanted...?

6 0
3 years ago
Read 2 more answers
I will give brainliest Please answer
faust18 [17]

Answer:

Step-by-step explanation:

1) 9 x 4 = 36

9 + 4 = 13

2) 9 x -4 = -36

9 + (-4) = 5

3) 4 x3 = 12

4+ 3 = 7

4) -4 x 3 = -12

-4 + 3 = -1

8 0
3 years ago
Help on these problems please 
timama [110]
6.  9x^{7}  y^{2} ;

12. x^{2}
3 0
4 years ago
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