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3 years ago

PLZ HELP A GIRL OUT !!! GIVIN BRAINIEST !!!

Mathematics

2 answers:

tekilochka [14]3 years ago

7 0

Answer:

Step-by-step explanation:

because the par is 1 so it turns tonegative

zhenek [66]3 years ago

4 0

the answer is A.

the equation is f(n-1)+2. f is -6 and n is the number of term. so for example, if you want to find the second term, you substitute n for 2. then you solve.

-6(2-1)+2,

-6(1)+2,

-6+2= -4. therefore the second term is -4. you do this with n being 1,3,4,5 to get the sequence of

2, -4, -10, -16, -22.

hope this helped !!

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On an eight question true-false quiz, a student guesses each answer. What is the probability that he/she gets at least one of th

Fantom [35]

Answer:

$P[at\ least\ 1] = 0.9961$

Step-by-step explanation:

Given

$Questions = 8$

$Quiz\ Type = True\ or\ False$

Required

Probability that s/he gets at least one correctly

First, we calculate the probability of answering a question correctly

Since, there are just 2 choices (true or false), the probability is:

$P(correct) = \frac{1}{2}$

Similarly, the probability of answering a question, wrongly is:

$P(wrong) = \frac{1}{2}$

The following relationship exists, in probability:

$P[at\ least\ 1] = 1 - P[none]$

So, to calculate the required probability.

First, we calculate the probability that he answers none of the 8 questions correctly.

$P[none] = p(wrong)^8$

$P[none] = (\frac{1}{2})^8$

Substitute $P[none] = (\frac{1}{2})^8$ in $P[at\ least\ 1] = 1 - P[none]$

$P[at\ least\ 1] = 1 - (\frac{1}{2})^8$

$P[at\ least\ 1] = 1 - \frac{1}{256}$

Take LCM

$P[at\ least\ 1] = \frac{256 - 1}{256}$

$P[at\ least\ 1] = \frac{255}{256}$

$P[at\ least\ 1] = 0.9961$

Hence, the probability that s/he gets at least one correctly is 0.9961

6 0

3 years ago

Please help with these questions thank you very much.

SashulF [63]

1 is D
2 is
7x + 7 = 112
7x = 105
x = 15 (B)

3 0

4 years ago

Read 2 more answers

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Nataly [62]

Answer:

no solution

Step-by-step explanation:

8(3x-6)=6(4x+8)- remove the parentheses

24x-48=24x+48 - then you cancel the equal terms

-48=48

that is false showing that there is no solution

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Yuliya22 [10]

Your answer: 1,600 miles

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3 years ago

Which pair of angles are alternate interior angles?

Paraphin [41]

we know that

Alternate interior angles are two interior angles which lie on different parallel lines and on opposite sides of a transversal. Alternate interior angles are congruent

see the attached figure with letters to better understand the problem

in this problem

the parallel lines are the lines a and b

the transversal line is the line c

the alternate interior angles are the Angle $3$ and Angle $6$