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Hatshy [7]
3 years ago
6

Must READ! A multiple choice question on a test has 4 answer choices. You guess at the answer. What is the probability that you

will select the correct choice. write your answer as a percent. would the answer be 25%?
Mathematics
1 answer:
Furkat [3]3 years ago
4 0
Yep :) You're right!

The total probability of anything is always 100%, obviously.

If there are 4 choices, and you're equally likely to select either one, you can do 100% / 4 choices = 25%.

One of them have to be correct, so 1 of the 4 are bound to be right. 1/4 is also the same as 25%, hence you're correct! :) 
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5√√5 (54)³ =
Alex

Answer:

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4 0
1 year ago
What is the name of when the line of slope is on the x axis line
vovangra [49]

Answer:

X-axis

Step-by-step explanation:

the name of when the line of slope is on the x axis line is the x axis line.

5 0
3 years ago
Read 2 more answers
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the line x = 6. (Rou
aleksklad [387]

Answer:

Step-by-step explanation:

Here we have the curve xy =6 bounded by the line y=2, y=6 and x=6.

This region is rotated about x =6

We have to find the volume

Since rotated about vertical line parallel to y axis, shifting y axis to right by 6 units we get

the curve equation as

(6-x)y=6

6y-6xy =6

6xy =6(y-1)

x = (y-1)/y

and limits for y is 2 to y

Volume = \pi \int x^2 dy\\= \pi \int( \frac{y-1}{y})^2 dy\\ = \pi \int 1-2/y +1/y^2 dy\\= \pi (y-2ln y -1/y)

Substitute limits

Volume = \pi ( 4-2 ln 3 - 1/3)\\= \pi (11/3 -2ln 3)

8 0
3 years ago
the inequality below compares two rational numbers -6/18-17/27 if two numbers were plotted as values on a horizontal number line
Lyrx [107]

Correct question is;

The inequality below compares two rational numbers.

-6/18 > -17/27

If the two numbers were plotted as values on a horizontal number line, which statement would be true?

A) Both numbers lie to the right of 0, and −6/18 lies to the left of −17/27

B) Both numbers lie to the left of 0, and −6/18 lies to the left of −17/27

C) Both numbers lie to the right of 0, and −6/18 lies to the right of −17/27.

D) Both numbers lie to the left of 0, and −6/18 lies to the right of −17/27

Answer:

Option D

Step-by-step explanation:

In writing inequality on a number line, any number that is negative will lie to the left of zero while any number that is positive will lie to the right of zero.

Now in this case they are both negative, so they will lie to the left of zero.

Also, the number that is greater will lie to the right of the lesser number.. In this case -6/18 > -17/27. Thus, -6/18 will lie to the right of -17/27

Thus, option D is correct

6 0
3 years ago
Sasha has some pennies nickels and dimes in her pocket the number of coins is 18 the expression 0.01 p + 0.05 n + 0.10 D represe
MAXImum [283]
A) p + n + d = 18
B) .01p + .05n + .10d = 1.14
C) 2p = d

Substituting C) into A)
A) p + n + 2p = 18 equals
A) 3p + n = 18
Substituting C) into B)
B) .01p + .05n + .10 *2p = 1.14
B) .01p + .05n + .2p = 1.14
B) .21p + .05n = 1.14  
Taking equation A)
A) 3p + n = 18 and multiplying it by -.05
A) -.15p -.05n = -.90  Then adding this to B)
B) .21p + .05n = 1.14
.06p = .24
Therefore there are 4 pennies.
(I'll leave it to you to determine the nickels and dimes.)
**************************************************************************
Oh what the heck, I'll finish it for you.

Looking at equation C)
C) 2p = d
We know there are 4 pennies so there are:
2 *4  = eight dimes
Looking at Equation A)
A) p + n + d = 18 we can fill in the pennies and the dimes:
A) 4 + n + 8 = 18
Therefore, there are 6 nickels.


5 0
3 years ago
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