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3 years ago

What is the constant rate???

Mathematics

1 answer:

Dmitry [639]3 years ago

4 0

Answer:

The constant rate is 4

Step-by-step explanation:

40 ÷ 10 = 4

80 ÷ 20 = 4

120 ÷ 30 = 4

160 ÷ 40 = 4

They all equal 4 so that is the constant rate.

Brainliest???

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It is said that happy and healthy workers are efficient and productive. A company that manufactures exercising machines wanted t

denpristay [2]

Answer:

Confidence interval is 0.7 ≤ p ≤ 0.8

The margin of error is 7.1 %

Step-by-step explanation:

We have to calculate a 98% confidence interval for the proportion.

The sample proportion is p=0.75.

The standard error of the proportion is:

Here we have, the proportion or point estimate given by

= 150/200 = 0.75

Sample size, n = 200

The formula for confidence interval, CI, given a proportion, is;

At 98% z = ±2.326348

Plugging in the values of, , z and n we get;

CI = 0.6787704 ≤ p ≤ 0.8212296

To one decimal place, we have

CI = 0.7 ≤ p ≤ 0.8

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3 years ago

What is -13 over -10 written as a decimal

Troyanec [42]

Your answer is 1.3, i hope this helped, tell me if you need more help

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3 years ago

Which function is NOT continuous?

Dovator [93]

Answer:

Step-by-step explanation:

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3 years ago

What is the quotient?

skelet666 [1.2K]

Answer:

the answer is 4x $10^{2}$

Step-by-step explanation:

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3 years ago

Read 2 more answers

Solve this equation\[\sin^6 x+\cos^6 x=\frac{5}{8}\]for $x \in[0,2\pi]$

earnstyle [38]

Sin^6 x + cos^6 x =
= ( sin² x + cos² x ) ( sin^4 x - sin² x cos² x + cos^4 x ) =
= sin^4 x + 2 sin²x cos² x + cos^4 x - 2 sin² x cos² x - sin² x cos² x =
= ( sin² x + cos² x )² - 3 sin² x cos² x =
= 1 - 3 sin² x cos² x
After that:
1 - 3 sin² x cos² x = 5/8
1 - 5/8 = 3 sin² x cos² x
3/8 = 3 sin² x cos² x / : 3
1/8 = sin² x cos² x / * 4
1/2 = 4 sin² x cos² x
1/2 = ( 2 sin x cos x )²
√2 / 2 = 2 sin x cos x
sin 2 x = √ 2 / 2
2 x = π / 4, or x = 3 π / 4
Answer:
x 1 = π / 8, x 2 = 3 π / 8.

3 0

3 years ago