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2 years ago

9

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1 answer:

pogonyaev2 years ago

3 0

Answer:

We can break this down:

The student has a one out of five chance of getting a correct answer, and a four out of five chance of an incorrect answer. We can express the students odds of getting one incorrect answer as 4/5. In order to get the odds of two wrong answers, we need to multiply this answer again by the odds of choosing a wrong answer. Therefore:

The odds of one wrong answer = 4/5

The odds of two wrong answers = (4/5) * (4/5) = 16/25 chance of getting both of the questions wrong.

Step-by-step explanation:

You might be interested in

The formula for depreciation is V=P(1-r)t where P is the beginning price of the asset, r is the annual rate of depreciation writ

Bad White [126]

Answer:

The value of the car after 5 years is $ 13,035 to the nearest dollar.

Step-by-step explanation:

The formula for depreciation is

$V=P(1-r)^t$

where $P=24,700\:dollars$ is the beginning price of the asset,

$r=12\%$ is the annual rate of depreciation written as a decimal,

$r=0.12$

$t=5$ is the number of years, and V is the value after t years.

Now substitute all these values into the formula to get,

$V=24,700(1-0.12)^5$

This simplifies to,

$V=24,700(0.88)^5$

$\Rightarrow V=24,700(0.5277319168)$

$\Rightarrow V=13,034.97834$

The value of the car after 5 years is $ 13,035 to the nearest dollar.

8 0

3 years ago

3.Can we multiply a 2x3 matrix by a 3x2 matrix? If yes, what dimensions will the product matrix AB have ?

Allushta [10]

Answer:

Yes, the dimensions will be 2x2

Step-by-step explanation:

When multiplying matrices you have AxB by CxD. You can only multiply matrices if the inner number is the same.

Ex. 2x3 by 3x2 or QxD by DxW

The dimensions of the result will depend on the outer numbers.

Ex. 2x3 by 3x2 has a 2x2 result or QxD by DxW has a QxW result

4 0

2 years ago

Read 2 more answers

Which equation can you use to find the value of x?

Vadim26 [7]

Answer:

I would say bottom left

Step-by-step explanation:

It is the most plausible to the equation

5 0

2 years ago

Read 2 more answers

Molly is making small bags of sweets for a childrens party she buys seven big bags of sweets each bag contains 47 sweets. how ma

Basile [38]

329 sweets
16 full bags

Explanation:
7bags x 47sweets per bag = 329sweets
329sweets / 20sweets = 16 FULL bags

4 0

10 months ago

When x 4, y = 1<br> х^2 + Зry — 7у^2<br><br><br> Can you explain the whole answer.

sineoko [7]

I couldn’t really understand the question but i did 4squared + 3r(1) - 7(1)squared and i got -33 + 3r

3 0

2 years ago