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chubhunter [2.5K]
3 years ago
8

What is the solution to 89+k=-42

Mathematics
2 answers:
fiasKO [112]3 years ago
6 0
Subtract 89 from -42. k=-131
sineoko [7]3 years ago
4 0
<span>89+k=-42

We simplify the equation to the form, which is simple to understand
<span>89+k=-42

We move all terms containing k to the left and all other terms to the right.
<span>+1k=-42-89

We simplify left and right side of the equation.
<span>+1k=-131

We divide both sides of the equation by 1 to get k.
<span>k=-131.</span></span></span></span></span>
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If there are 19 questions and each question has 4 answers, what is the probability she will answer at least one question correct
gregori [183]

Answer:

0.9958

Step-by-step explanation:

P(being correct) = 1/4 = 0.25

Hence, p = 0.25

n = 19

P(x ≥ 1) = p(x = 1) + p(x = 2) +... + p(x = 19)

Using the binomial probability formula :

P(x =x) = nCx * p^x * (1 - p)^(n - x)

However, to save computation time, we could use a calculator :

Using a calculator,

P(x ≥ 1) = 0.99577

P(x ≥ 1) = 0.9958

7 0
3 years ago
What is the length of a side of a cube with a volume of 216 in3?<br><br><br> inches
yuradex [85]
6 in is the length cause yhu have to multiply

5 0
3 years ago
Determine which ordered pairs are solutions to the equation 3x+7y=21
mafiozo [28]

Answer:

(0,3) and (7,0) are solutions.

Step-by-step explanation:

In a pair of coordinates, they are always listed as (x,y). Since this is the case, you plug in each coordinate to their respective places.

For (0,3)

3(0) + 7(3) = 21

0 + 21 = 21

For (7,0)

3(7) + 7(0) = 21

21 + 0 = 21

To double check that (1,2) isn't a solution:

3(1) + 7(2) = 21

3 + 14 = 21

17 = 21 X

This doesn't work.

Marking as Brainliest is much appreciated.

7 0
3 years ago
First come first served brainiest:)
cluponka [151]
Nouns: Flock, Birds, edge, town
Prepositional phrases: Landed, on



Subject pronoun: We
Possesive Pronoun: Their
Adverb: Daily.





hope this helped!
3 0
3 years ago
(235) a prime number
Llana [10]

Answer:

235 is not Prime. It’s Composite.

Step-by-step explanation:

Factors of 235:

1, 5, 47, 235.

1 x 235 = 235,

47 x 5 = 235.

Prime Numbers have the number 1 and the number it's self.

This number has 4 factors, which means it’s composite,

Composite Numbers have 3 or more factors.

4 0
3 years ago
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