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3 years ago

Mirall ran

Mathematics

1 answer:

trasher [3.6K]3 years ago

3 0

Answer:

A omo

because she ran off the way around the track

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The length of a rectangle is 3 times the width. If the length is decreased by 4 meters and the width is increased by 1 meter, th

olga nikolaevna [1]

Good morning☕️

______

Answer:

w is the width

L is the length

p is the perimeter

w=9

L=27

___________________

Step-by-step explanation:

p=2[(L-4) + (w+1)]

⇔p=2[(3w-4) + (w+1)]

⇔p=2[4w-3]

⇔p=8w-6

⇔66=8w-6

⇔8w=72

⇔w=9

Then L=3w=27

6 0

4 years ago

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

:(:(:(:(:(:(:(:(:(:(:(:(::(

frosja888 [35]

Answer:

Step-by-step explanation:

Let's simplify each term.

$(\frac{1}{4})^{2} = 0.0625$

$4^{3} =64$

$(4-1) = 3$

Now we multiply:

$0.0625*64*3 = 12$

Hope this helps!

3 0

3 years ago

Read 2 more answers

This information is for credit card with a _______ APR.

otez555 [7]

Answer:

d. 0%

Step-by-step explanation:

4 0

2 years ago

Who would you go about this.

Nostrana [21]

A. First move all to the left side of the equation(Normal form)

x^3 - 49x= 0

B. Factor out an x, which is the GCF (Factored form)

x(x^2 - 49) = 0

C. Find solutions by making each x piece equal to 0. The first part is just x=0 and the second part is just factoring the difference of squares and then solving.

x=0, x^2 - 49 =0

x=0, x + 7 = 0, x - 7 = 0

Therefore, the answers for Part C are:
x = 0, x = -7, x = 7

6 0

3 years ago