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V125BC [204]
3 years ago
8

MATH 15 POINTS, HELP

Mathematics
1 answer:
7nadin3 [17]3 years ago
4 0
Statement 3: tri egc = tri egb
statement 4: tri ebc is equilateral.
reason 5: equilateral triangles have equal angles
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How do you calculate an algebra question that is addition?
strojnjashka [21]
Read itgxgdydyffvgg
5
4 0
3 years ago
Convert to<br> expanded form.<br> 1,025,004,032
sweet [91]

Answer:

1,000,000,000 + 25,000,000 + 4,000 + 32

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How old is molly if she was 52 years old when she was fourteen years ago?
meriva
To solve a problem like this, we can setup a basic algebraic equation.

52+14=x
66=x

We know this equation is true because 14 years ago, she was 52 so 14 years later, she is 66.
8 0
3 years ago
Which two expressions will find the total volume of the figure below?
IRINA_888 [86]
The volume of the prism:
V = L x W x H,
where L is the length, W the width and H the height.
We can find the volume of the entire figure by adding together the volumes of two smaller figures ( 2 prisms ).
The 1st one has dimensions: 2, 2, 7 and the 2nd has dimensions 2, 3, 8.
Answer:
B . ( 2 x 2 x 7 ) + ( 2 x 3 x 8 )
7 0
3 years ago
The owner of a factory wants to determine a confidence interval for the average wages at his factory. The population average wag
iVinArrow [24]

4,034.06 ,5,965.94 are confidence interval for the population average wages at the factory.

What is confidence interval estimation?

Your estimate's mean plus and minus the range of that estimate's fluctuation is called a confidence interval.

                                              If you repeat your test, you can expect your estimate to fall between these numbers with a reasonable degree of certainty.  Another term for probability in statistics is confidence.

The formula for confidence interval estimation is:

μ = M ± Z(sM)

where:

M = sample mean

Z = Z statistic determined by confidence level

sM = standard error = √(s2/n)

M = 50000

Z = 2.58

sM = √(30002/64) = 375

μ = M ± Z(sM)

μ = 50000 ± 2.58*375

μ = 50000 ± 965.94

μ = 4,034.06 ,5,965.94

Learn more about confidence interval

brainly.com/question/24131141

#SPJ1

6 0
1 year ago
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