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2 years ago

PLEASE HELP THIS IS DUE ASAP!!!!!!!!!!

Mathematics

1 answer:

Effectus [21]2 years ago

3 0

Answer:

1/36

Step-by-step explanation:

When you roll a die the possible outcomes are 1,2,3,4,5,6

P(1) = number of outcomes that are 1 / total outcomes

=1/6

The events are independent so we can multiply the probabilities

P(1,1) = 1/6*1/6 = 1/36

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What is the area of the trapezoid? The diagram is not drawn to scale.

loris [4]

Answer:

Area of trapezoid = 21 cm²

Step-by-step explanation:

Given:

Length of rectangular shape = 4 cm

Width of rectangular shape = 3 cm

Base of triangle = 3 cm

Number of triangle = 3 cm

Find:

Area of trapezoid

Computation:

Area of trapezoid = Area of middle rectangle + Number of triangle[Area of triangle]

Area of trapezoid = [l x b] + 2[(1/2)(b)(h)]

Area of trapezoid = [4 x 3] + 2[(1/2)(3)(3)]

Area of trapezoid = 12 + 9

Area of trapezoid = 21 cm²

6 0

2 years ago

the sales tax on the purchase of a futon is 33.53.if the tax rate is 7%,find the purchase price of the futon.

Nesterboy [21]

2.3471 or 2 dollars and 35 cents

5 0

2 years ago

A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 77 and a standar

Shalnov [3]

Answer:

0.9007 is the probability that a student scored below 86 on this exam.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 77

Standard Deviation, σ = 7

We are given that the distribution of examination grades is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

a) P(student scored below 86)

P(x < 86)

$P( x < 86) = P( z < \displaystyle\frac{86 - 77}{7}) = P(z < 1.2857)$

Calculation the value from standard normal z table, we have,

$P(x < 1.2857) = 0.9007 = 90.07\%$

0.9007 is the probability that a student scored below 86 on this exam.

7 0

3 years ago

Gordon bought lunch for $8.43. He paid with a $20 bill. How much change did he get back?

anzhelika [568]

Answer:

$11.57

Step-by-step explanation:

20 - 8.43 is 11.57

Hope this helps.

6 0

2 years ago

Read 2 more answers

Carson Trucking is considering whether to expand its regional service center in? Mohab, UT. The expansion requires the expenditu

cupoosta [38]

Answer:

NPV = $ 17,200,000

Step-by-step explanation:

Total expenditures = $ 11,000,000

Net cash inflow = $ 3,000,000 per year

total duration of cash inflow = 9 years

Thus, total cash inflow = $ 3,000,000 per year × 9 years = $ 27,000,000

salvage value = $ 1.2 million = $ 1,200,000

NPV = Salvage value + total cash flow - Expenditures

on substituting the values, we get

NPV = $ 1,200,000 + $ 27,000,000 - $ 11,000,000

NPV = $ 17,200,000

6 0

3 years ago