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3 years ago

Plzz help with math attachment included

Mathematics

2 answers:

Ierofanga [76]3 years ago

7 0

Answer:

C. y - 4 = 2 ( x - 4 )

according to Microsoft Math

Liono4ka [1.6K]3 years ago

3 0

Answer:

C. y - 4 = 2(x - 4)

Step-by-step explanation:

y - 4 = 2(x - 4) , if x = 4

y - 4 = 2(4 - 4)

y - 4 = 8 - 8

y = 4

Then y = 4

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KIM [24]

Answer:

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Step-by-step explanation:

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3 years ago

What is 2+2*56*89/5+69

Natalija [7]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the sum of 37, 9, 663, 1198, and 45 a. 1952 b. 1142 c. 942 d. 3952 e. 2722

frez [133]

The answer is 1952 because you have to add all of the numbers together

5 0

3 years ago

Read 2 more answers

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:

Step:-1

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).

Answer:-

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

4 0

3 years ago

(4-3n) 8 simplify the expression

PSYCHO15rus [73]

Answer:32-24n

Step-by-step explanation:

Take 8 and 4 and multiply it and you get 32. Take 8 and 3 multiply or add 8 three times and you get 24 and also add the n so it’s 24n since the n goes no where, and you can’t really subtract a number with a letter with a number or a number with a different letter, you can only subtract or add it if it has the same letter on the number. Hope that helps.

5 0

3 years ago