3 years ago

Please help image below

Mathematics

1 answer:

Shkiper50 [21]3 years ago

3 0

Answer:

44 cm

Step-by-step explanation:

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Over a two week period you worked 7 1/2 hrs a day for 8 days. You earn $11.50 an hour. How much money did you earn in your paych

OleMash [197]

Answer: $\$687$

Step-by-step explanation:

Given

Working hours are $7\ \frac{1}{2}$ for 8 days

Money earned is $11.50 an hour

Total working hours

$=\dfrac{7\times 2+1}{2}\times 8=\dfrac{15}{2}\times 8\\\\=60\ hr$

Money earned

$=60\times 11.50=\$690$

After-tax deduction

$\Rightarrow 690-3=\$687$

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3 years ago

Y = –4x2 – 8, if the input is 2, what is the output?

Dafna1 [17]

I'm 98% sure it would be -24.
Hope this helped you! :)

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4 years ago

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If sin theta = -2/3, which of the following are possible for the same value of theta?

Lina20 [59]

The option that has the same value of theta is; D. sec theta = 3/square root of 5 and tan theta = -2/square root of 5

<h3>How to Calculate Trigonometric Functions?</h3>

We are given that;

sin θ = -²/₃

Thus, from trigonometric ratios we have;;

cos θ = -(√5)/3

Thus;

sec θ = -3/√5

tan θ = -2/√5

Thus, only option D is the correct answer.

Read more about Trigonometric ratios at; brainly.com/question/13276558

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2 years ago

The Vega family has a three yourself own contract mark Vegas is the family gets a total of 3×10 to the fourth minutes of talk ti

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120 minutes of talk time and share

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4 years ago

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We would like to construct a 99% confidence interval for the mean, based on a sample of 50 observations. The sample standard dev

Sloan [31]

Answer:

Lower confidence limit = 20.191

Step-by-step explanation:

Sample mean; x' = 22

Sample standard deviation; s = 5.5

Sample size; n = 50

Confidence interval = 99%

Since sample size > 30, we will use the formula;

CI = x' ± zs/√n

Where;

x' is sample mean

s is sample standard deviation

n is sample size

z is z-value of the confidence interval

From the table attached, z for 99% = 2.3263

Thus;

CI = 22 ± (2.3263 × 5.5)/√50

CI = 22 ± 1.809

CI = 23.809 or 20.191

Lower confidence limit = 20.191

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3 years ago