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3 years ago

7 ft. 3 in. - 2 ft. 5 in. equals? *

Mathematics

2 answers:

nirvana33 [79]3 years ago

6 0

Answer:

Step-by-step explanation:

allochka39001 [22]3 years ago

5 0

It SHOULD be 4.8 but it depends how they’re making you do it

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Elizabeth’s aunt started a college savings account for her with $6,000. What is the balance of the account after 5 years if the

vaieri [72.5K]

Answer:

6750

Step-by-step explanation:

simple interest = P×r%×t

P = $6000

r = 2.5%

t = 5 years

I = 6000 × 2.5/100 × 5

= 750

6000 + 750 = $6750

7 0

2 years ago

Help with this one pls!! Show steps if u can Thanks :)

goldenfox [79]

Answer:

Step-by-step explanation:

93.795 ÷ 126 $\frac{3}{4}$ %

= 74

and

74 x 126 $\frac{3}{4}$ %

= 93.795

8 0

2 years ago

Determine whether the quantitative variable is discrete or continuous. Depth of the ocean floor Is the variable discrete or cont

Vesna [10]

Answer:

B. The variable is continuous because it is not countable.

Correct, from the definition about of continuous data we see that is a random variable is continuous then it can't be countable.

Step-by-step explanation:

Previous concepts

A discrete random variable "has a countable number of possible values" in a domain defined. So then the possible values for these types of random variables are the integers.

A continuous is a random variable "where the data can take infinitely many values" that means that can take values from the rational with decimals. Ans is not countable.

Solution to the problem

Let's analyze one by one the possible options:

A. The variable is discrete because it is countable.

False, the depth of the ocean is a continuous random variable since we can have for exampe a depth of 1200.56 mi and we can't express this as a discrete random variable.

B. The variable is continuous because it is not countable.

Correct, from the definition about of continuous data we see that is a random variable is continuous then it can't be countable.

C. The variable is discrete because it is not countable.

False, the depth of the ocean is a continuous random variable since we can have for exampe a depth of 504.67 Km and we can't express this as a discrete random variable.

D. The variable is continuous because it is countable.

False the variable is continuous but cannot be countable since that's the opposite from the definition of continuous random variable.

6 0

3 years ago

PLEASE HELP I'LL GIVE BRAINLIEST!!!!!!!!! According to the Census Bureau, in 2014 California had an estimated population of 3.88

lutik1710 [3]

Answer:

The population of California is $3.3216 * 10^{7}$ more than the population of Wyoming.

Alternatively, the population of California is $6.64 * 10^{1}$ times the population of Wyoming.

Step-by-step explanation:

The first part is to take the numbers out of the scientific notation. The estimated population of California is 38,800,000, and the population of Wyoming is 584,000.

Not that we've done that, let's start with the first part of the problem.

"The population of California is __________ more than the population of Wyoming."

This is a statement of subtraction, because it's not asking how many TIMES more. So, we subtract Wyoming's population from California's population.

$38,800,000 - 584,000 = 38,216,000.$

Putting that number into scientific notation is easy: move the decimal to the place in the number where there will only be one number in front of the decimal: 3.3216. How many number slots until you have only one number in front of the decimal? 7. So, we know that the power of 10 is going to be 7. So, the first part of the question answers to:

$3.8216 * 10^{7} .$

Now for the second part.

"Alternatively, the population of California is _________ times the population of Wyoming."

This is a problem of division. The question is asking us to divide California's population by Wyoming's population.

$\frac{38,800,000}{584,000} = 0.664383562 * 10^{2} .$

We need to have one number in front of the decimal point, so we move it behind the first 6, giving us 6.64. Because we did this, we need to bump the exponent from 2 to 1, leaving us with:

$6.64 * 10^{1}.$