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3 years ago

The velocity-time graph for a cycle is shown.

Mathematics

1 answer:

ivolga24 [154]3 years ago

3 0

Answer:

a) 98m

b) 2m/s

Step-by-step explanation:

a) 2+4+6+8+10(8) = 98m

b) a = change/time = 8m/4s = 2m/s

not completely sure about a) so pls double check that <//3

good luck and hope this helped a bit!

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John will paint the four walls of his rectangular basement. The basement measures 10 feet long, 13 feet wide, and 8 feet high an

Svetlanka [38]

Answer:

D. 1,019 square feet

Step-by-step explanation:

10x13x8 - 3x7

3 0

2 years ago

PLEASE HELP I WILL GIVE BRAINLIST IF ITS RIGHT

kogti [31]

Answer:

49/4 inches

Step-by-step explanation:

Inches below ground= 3 1/2 inches

Plant's full height=15 3/4 inches

Height above ground = 15 3/4 inches -3 1/2 inches

63/4 - 7/2

63-14/4

49/4 inches

5 0

2 years ago

Read 2 more answers

A truck loaded with 8000 electronic circuit boards has just pulled into a firm’s receiving dock. The supplier claims that no mor

Juliette [100K]

Answer:

The 95% confidence interval for the proportion of all boards in this shipment that fall outside the specification is (1.8%, 6.2%).

Step-by-step explanation:

Let X = number of boards that fall outside the most rigid level of industry performance specifications.

In a random sample of 300 boards the number of defective boards was 12.

Compute the sample proportion of defective boards as follows:

$\hat p =\frac{12}{300}=0.04$

The (1 - α)% confidence interval for population proportion p is:

$CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}$

The critical value of z for 95% confidence level is,

$z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96$

*Use a z-table.

Compute the 95% confidence interval for the proportion of all boards in this shipment that fall outside the specification as follows:

$CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\=0.04\pm1.96\sqrt{\frac{0.04(1-0.04)}{300}}\\=0.04\pm0.022\\=(0.018, 0.062)\\\approx(1.8\%, 6.2\%)$

Thus, the 95% confidence interval for the proportion of all boards in this shipment that fall outside the specification is (1.8%, 6.2%).

3 0

2 years ago

MATH HELP!?

Debora [2.8K]

The correct answers are: 
1) C
2) A
3) D

Explanation: 
1) Voluntary deductions are amounts that you elect to come out of your paycheck every pay period. Federal tax is not voluntary; neither is state tax, nor Social Security. The only voluntary deduction in this list is health insurance. You are not obligated to pay for your health insurance by automatically withholding it from your check.

2) FICA is the tax that goes towards Social Security and Medicare. It is involuntary, and it is deducted as a percentage of your gross (pre-withholding) pay.

3) A fixed expense would be one that is the same from month to month. The only one of these expenses that would be the same amount monthly is a mortgage.

6 0

3 years ago

Read 2 more answers

3 1/9+2 1/4= what is the answer

34kurt

Answer:
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2 years ago