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3 years ago

I WILL GIVE BRAINLIEST

Mathematics

2 answers:

gtnhenbr [62]3 years ago

7 0

Answer: B
explanation: on y-axis you can see the line touches -8 on graph. for the slope, rise over run could be used 9/9 =1
so y=x-8

Lunna [17]3 years ago

7 0

Answer: The correct answer to this problem is B. y=x-8

Step-by-step explanation:

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Estimate the sum of numbers 9488 and 857 to the nearest 10 Ans: ?

UNO [17]

For the first one it’s 9490 & for the second it’s 860

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4 years ago

Algebra 2 Please Help

hammer [34]

No sé lo que quieres decir

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3 years ago

Nancy had 333 dollars to spend on 9 books. After buying them she had 18 dollars. How much did each book cost ?

MissTica

Answer:

35 dollars

Step-by-step explanation:333-18=315 dollars

315/9=35 dollars for each book

7 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:

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

Wendy is helping her mom put candy in 217 giftbagd. Each bag has 7 pieces of candy. She already put 58 pieces of candy in the ba

Ganezh [65]

Answer:

406 pieces. If you multiply 58 times 7 you get 406. 406 divided by 58 is 7.

4 0

3 years ago