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Alika [10]
2 years ago
13

What is the value of this expression 8 + 6x (10 - 4) +2

Mathematics
2 answers:
Vinvika [58]2 years ago
4 0

Answer:

8+6x(10-4)+2\\= 10 - 4\\= 6 + 2\\= 8 * (8 + 6x)\\ = 8 + 6x\\= 14x * 6\\= 84x\\

Step-by-step explanation:

hope this helps.

Andreas93 [3]2 years ago
4 0
I think the value of the expression is 84x
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3 years ago
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Answer the questions below.
DedPeter [7]

Answer:

63 m

Step-by-step explanation:

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138 - 75 = W

63 m

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2 years ago
Find area and perimeter​
alisha [4.7K]

Answer:

Perimeter

P = P1+P2

P1 = 4a           P2=2(a+b)

P1=4*5           P2=2(3+5)

P1=20            P2=2*8

                     P2=16

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P=36

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A=A1+A2

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5 0
3 years ago
What has a domain of x > -3
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3 years ago
A professor thinks that the students in her statistics class this term are less creative than most students at this university.
choli [55]

Answer:

It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

Step-by-step explanation:

\mu=35\\n=23\\\=x=33\\s=5\\\alpha=0.1

1. Null and alternative hypothesis

H_{0}:\mu=35\\H_{1}:\mu

2. Significance level

\alpha=0.1\\1-\alpha=0.99

Freedom degrees is given by:

v=n-1\\v=23-1=22

For a sgnificance level of 0,01 and 22 freedom degrees,  t-student distribution value is:

t_{0.01;23}=-2. 5083

3. Test statistic

t=\frac{\=x-\mu}{\frac{s}{\sqrt{n} } }

t=\frac{33-35}{\frac{5}{\sqrt{23} } }

t=-1,918

In this case, we have an one left tailed analysis, it means that null hypothesis is rejected if t

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Conclusion:

It is not enough evidence to reject null hypothesis. It is not enough evidence to say that mean score is not equal to 35.

3 0
3 years ago
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