All categories

3 years ago

Are these the correct answers? I hunk I got some wrong pls help

Mathematics

1 answer:

klio [65]3 years ago

3 0

yes you got them right i believe. i worked them out just a second ago and i got the same answers. i am sorry if i got them wrong. if you need to show the work then you should do that.

You might be interested in

Could somebody help me im slow sorry

Mars2501 [29]

Answer:

I'd say multiply the numerators then the denominators and at the end simplify at least thats how I multiply fractions :)

8 0

2 years ago

The dot plot represents the amount of rain recorded by rain gauges in different locations around a city. A number line going fro

adell [148]

Answer:

Step-by-step explanation:

6 0

2 years ago

Read 2 more answers

Ashley, Bob, Claire, and Daniel are among 13 students who entered a lottery to win a free vacation to Paris.

AlladinOne [14]

Answer:

0.0014 = 0.14% probability that Ashley, Bob, Claire, and Daniel will be chosen.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the students are chosen is not important, so the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

Desired outcomes:

4 students from a set of 4(Ashley, Bob, Claire, and Daniel). So

$D = C_{4,4} = \frac{4!}{4!(4-4)!} = 1$

Total outcomes:

4 students from a set of 13(number of students in the lottery). So

$T = C_{13,4} = \frac{13!}{4!(13-4)!} = 715$

Probability:

$p = \frac{D}{T} = \frac{1}{715} = 0.0014$

0.0014 = 0.14% probability that Ashley, Bob, Claire, and Daniel will be chosen.

7 0

3 years ago

An 8×8×8 cm cube was painted red, and then broken up into small cubes with side lengths of 1 cm. How many small cubes have none

Alona [7]

Answer:

216

Step-by-step explanation:

If you just paint the surface of the cube, then the inside of the cube would not have any of their faces painted red.

Just looking at the cube from a side view, you would realize that there would be a smaller cube, 6 x 6 x 6 (not 7 since you have to account for both the top side and the bottom side), and so that is the answer, 6 ^ 3, which is 216.

8 0

3 years ago

Read 2 more answers

What is the midpoint of LQ? <br> Point M <br> Point N<br> Point P<br> Point Q

Sphinxa [80]

Answer:

Step-by-step explanation:

N is the only point that is equally distant from point L and point Q

5 0

2 years ago

Read 2 more answers