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Elanso [62]
3 years ago
14

Based on the data, what is the probability that a randomly selected person age 40 or under rated the movie at 4 stars or 5 stars

?
Mathematics
1 answer:
Alik [6]3 years ago
5 0
The probability would be high
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What is the solution of the equation 9 = -2x + 15?<br> A -21<br> B -12<br> C 3<br> D 12
Nataly [62]
I think the answer is c: three
7 0
3 years ago
Read 2 more answers
Factorise and solve : x^3-x^2-4x+4
Alika [10]

(x - 1)(x - 2)(x + 2)

note that the sum of the coefficients 1 - 1 - 4 + 4 = 0

thus x = 1 is a root and (x - 1 ) is a factor

dividing x³ - x² - 4x + 4 by (x - 1)

x³ - x² - 4x + 4 = (x - 1)(x² - 4 ) (note (x² - 4 ) is a difference of squares )

x³ - x² - 4x + 4 = (x - 1)(x - 2)(x + 2)

(x - 1)(x - 2)(x + 2 ) =0

x - 1 = 0 ⇒ x = 1

x - 2 = 0 ⇒ x = 2

x + 2 = 0 ⇒ x = - 2

solutions are x = 1 or x = ± 2



6 0
3 years ago
2. Which is equivalent to the calculator output 8.954 E - 15?
anyanavicka [17]

Answer: 8.954 x 10^-15

Step-by-step explanation:

i took a test with this question and this was the answer

8 0
2 years ago
HELP ME I WILL GIVE YOU BRAINLIEST AND A 5.0 REVIEW
Jlenok [28]

Answer:

Base

Step-by-step explanation:

A power is the product of multiplying a number by itself. Usually, a power is represented with a base number and an exponent. The base number tells what number is being multiplied. The exponent, a small number written above and to the right of the base number, tells how many times the base number is being multiplied.

4 0
3 years ago
Hannah received $30 for her birthday and bought 3 shirts that were all the same price. If she had $9 left over, which equation s
Natasha2012 [34]
Money spent + money left over = total money

money spent + 9 = 30

We don't know the price of each shirt, so let x = price of 1 shirt.
Then, 3 shirts cost 3 times as much as x, or 3x.
She spent 3x.

3x + 9 = 30
5 0
3 years ago
Read 2 more answers
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