3 years ago

State the two quantities that are being compared in each rate. Then calculate the equivalent unit rate.

Mathematics

1 answer:

stealth61 [152]3 years ago

6 0

101.25 dollars are being compared to 9 hours. The unit rate is 11.25 dollars

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A rectangle measures 54 feet by 72 feet. What is the length, in feet, of

igomit [66]

length (l) =54

breath (b) =72

l²+b²= diagonal²..........(Pythagoras theorem) and (all sides of rectangle are 90degree)

(54)²+(72)²=diagonal²

2916+5184=diagonal²

8100=diagonal²

90= diagonal.............(taking square root)

length of diagonal is 90ft

i hope it helps

have a nice day and thanks for asking this question

6 0

3 years ago

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

Maru [420]

Answer:

The large sample n = 117.07

Step-by-step explanation:

Step(i):-

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

Step(ii):-

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

Final answer:-

The large sample n = 117.07

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3 years ago

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vichka [17]

The surface area of the cylinder is 301.44

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faltersainse [42]

= -4-(-1)
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55 people showed up on a party.There were 3 less women than men.how many men were there?

Anika [276]

Answer:

Step-by-step explanation:

55 - 3 = 52

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