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3 years ago

Write 30 : 84 as a ratio in simplest form

Mathematics

1 answer:

solniwko [45]3 years ago

5 0

15:42 ??? I think so. Have a good day.

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Which of the following BEST describes how to use the addition property of equality to isolate the variable y

Alexandra [31]

Answer: C) add 12 to both sides

Reason:

We add 12 to the left side to undo the -12, which will get y by itself.

We must do the same thing to both sides to keep things balanced.

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1 year ago

What are two ratios that are equivalent to 1:1

kow [346]

Equivalents to 1:1 -

2:2

3:3

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2 years ago

Read 2 more answers

What is (f+g)(3) for functions f(x)=2x+210 G(x)=2x+125

sashaice [31]

Answer:

347

Step-by-step explanation:

2(3) + 210 = 216

2(3) + 125 = 131

216+131 = 347

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2 years ago

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Translate each of the following research questions into appropriate H0 and Ha.

Mandarinka [93]

Answer:

$H_{0}: \mu = 62500\text{ dollars per year}\\H_A: \mu > 62500\text{ dollars per year}$

$H_{0}: \mu = 2.6\text{ hours}\\H_A: \mu \neq 2.6\text{ hours}$

Step-by-step explanation:

We have to build appropriate null and alternate hypothesis for the given scenarios.

a) Population mean, μ = $62,500 per year

The market research wants to find whether the mean household income of mall shoppers is higher than that of the general population.

$H_{0}: \mu = 62500\text{ dollars per year}\\H_A: \mu > 62500\text{ dollars per year}$

We would use one-tail(right) test to perform this hypothesis.

b) Population mean, μ = 2.6 hours

The company want to know the average time to respond to trouble calls is different or not.

$H_{0}: \mu = 2.6\text{ hours}\\H_A: \mu \neq 2.6\text{ hours}$

We would use two-tail test to perform this hypothesis.

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2 years ago

What’s the correct answer A.1 B.2 C.3 D.4 E.5

skad [1K]

Please like it if you did find it good :) !

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2 years ago