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yKpoI14uk [10]
3 years ago
10

hich property would be used first to simplify the expression 2(x + 5y + 1) - 4(3x - y - 2)? A Inverse B Commutative C Distributi

ve D Identity
Mathematics
2 answers:
nika2105 [10]3 years ago
8 0
The first to simplify the expression would be C. Distributive
garri49 [273]3 years ago
6 0

Answer:

d

Step-by-step explanation:

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Chords AC and DB intersect at point E. Find the value of x.
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Answer:

the answer would be 9 so option B

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16 times 99 Thank you for helping! :D
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1584 is your answer that you are looking for

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What is the answer to 16-2t = t + 9 + 4t <br><br>I need it now
bogdanovich [222]

16 - 2t = t + 9 + 4t

16 - 2t = 5t + 9

-7t = -7

t = 1

Hope this helps! ;)

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3 years ago
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Alex787 [66]
I'm not entirely sure but it should be (3/5) together. For pen the probability is (5/20) and for crayon is (12/20) add them equals (12/20) simply equals (3/5) HOPE IT HELPS
4 0
3 years ago
Use the standard norml distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justif
dalvyx [7]

Answer:

E) we will use t- distribution because is un-known,n<30

the confidence interval is (0.0338,0.0392)

Step-by-step explanation:

<u>Step:-1</u>

Given sample size is n = 23<30 mortgage institutions

The mean interest rate 'x' = 0.0365

The standard deviation 'S' = 0.0046

the degree of freedom = n-1 = 23-1=22

99% of confidence intervals t_{0.01} =2.82  (from tabulated value).

The mean value = 0.0365

x±t_{0.01} \frac{S}{\sqrt{n-1} }

0.0365±2.82 \frac{0.0046}{\sqrt{23-1} }

0.0365±2.82 \frac{0.0046}{\sqrt{22} }

0.0365±2.82 \frac{0.0046}{4.690 }

using calculator

0.0365±0.00276

Confidence interval is

(0.0365-0.00276,0.0365+0.00276)

(0.0338,0.0392)

the mean value is lies between in this confidence interval

(0.0338,0.0392).

<u>Answer:-</u>

<u>using t- distribution because is unknown,n<30,and the interest rates are not normally distributed.</u>

4 0
3 years ago
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