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3 years ago

Introductory Algebra: 20% converted into a decimal, wouldn't that be 0.2?

Mathematics

2 answers:

34kurt3 years ago

6 0

Answer: Yes.

Step-by-step explanation: 20% of 100 would translate into .2 out of 1

enot [183]3 years ago

5 0

Answer:

Yes, coz 20%=20/100

Ans solving 2/100 will give you 0.2

So ya, that's right!

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Find the remainder when x51+x is divided by x+1

kaheart [24]

Answer:

-2

Step-by-step explanation:

By definition, the remainder is the portion of the dividend that is not evenly divisible by the divisor. Basically, it is what's left over. In this case, -2 is the amount left over after dividing this equation.

3 0

3 years ago

Need help will give brainliest

Novosadov [1.4K]

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3 years ago

A test consists of 100 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean a

TEA [102]

Answer: Mean = 20 and standard deviation = 4

Step-by-step explanation:

Let x represents the success of getting the correct answer.

Here, the total number of trials(n) = 100

The probability of getting the correct answer, p = 1/5

Thus, the mean of the number of correct answer,

$\mu_x= np$

$\mu_x= 100\times 1/5$

$\mu_x= 20$

Now, the standard deviation, $\sigma_x= \sqrt{n\times p\times (1-p)}$

$\sigma_x= \sqrt{100\times 1/5\times 4/5}$

$\sigma_x= \sqrt{16}$

$\sigma_x= 4$

Thus, First option is correct.

6 0

4 years ago

what is the second term in a geometric sequence is 50. the forth term in the same sequence is 112.5 what is the common ratio in

Ulleksa [173]

The common ratio is 1.5 50 * 1.5 = 75, 75 * 1.5 = 112.5 etc.

7 0

3 years ago

The table shows the change in the water level (in centimeters) of a reservoir for three months. Find the total change in the wat

RideAnS [48]

Answer:

$-\frac{65}{28}$ or $-2\frac{9}{28}$

Step-by-step explanation:

Add all fractions:

$-1\frac{3}{4}$ + $-\frac{1}{28}$ + $-\frac{15}{28}$ = $-\frac{65}{28}$

Simplify if needed:

$-\frac{65}{28}$ = $-2\frac{9}{28}$

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2 years ago