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2 years ago

13

a car is traveling at a speed of 108 kilometers per hour. What is the cars speed in kilometers per minute? How many kilometers w

ill the car travel in 10 minutes? Do not round your answers.

2 answers:

Naya [18.7K]2 years ago

7 0

Answer: 10.8 km per min

Step-by-step explanation:

12345 [234]2 years ago

6 0

Answer:

6.71081 miles per 10 min or

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Refer to the previous exercise. The researchers wanted a sufficiently large sample to be able to estimate the probability of pre

Maru [420]

Answer:

<em>The large sample n = 117.07</em>

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the estimate error (M.E) = 0.08

The proportion (p) = 0.75

q =1-p = 1- 0.75 =0.25

Level of significance = 0.05

Z₀.₀₅ = 1.96≅ 2

<u><em>Step(ii):-</em></u>

The Marginal error is determined by

M.E = $\frac{Z_{0.05} \sqrt{p(1-p)} }{\sqrt{n} }$

$0.08 = \frac{2 X \sqrt{0.75(1-0.75)} }{\sqrt{n} }$

Cross multiplication , we get

$\sqrt{n} = \frac{2 X \sqrt{0.75(1-0.75)} }{0.08 }$

√n = $\frac{2 X0.4330}{0.08} = 10.825$

squaring on both sides , we get

n = 117.07

<u><em>Final answer:-</em></u>

<em>The large sample n = 117.07</em>

6 0

2 years ago

Solve using synthetic division.<br><br> (x2 + 3) ÷ (x − 1)

murzikaleks [220]

Answer:

2x+3 / x = 1

Step-by-step explanation:

3 0

3 years ago

Simplify the expression.

astra-53 [7]

$a^{\log_a b}=b\\\\12^{\log_{12}24}=24$

8 0

3 years ago

Read 2 more answers

I Need Help thanks <br>:)?

Feliz [49]

Answer:

6) x = 40.5

8) x = 16.5

Step-by-step explanation:

6) 45/x = 20/18

simplify and cross-multiply to get:

45/x = 10/9

10x = 405

x = 40.5

8) 22/8 = x/6

11/4 = x/6

4x = 66

x = 33/2

x = 16.5

8 0

2 years ago

The wheel of the Singapore Flyer is a circle with a diameter of 150 metres. Calculate the circumference of the wheel. Give your

Andrews [41]

Answer:

circumference is given by πd, where d is the diameter of the circle.

This implies, the circumference= 22/7*150m

=3300/7=471.429m

4 0

2 years ago