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2 years ago

Please help ASAP!! Thank you in advance!

Mathematics

2 answers:

dexar [7]2 years ago

4 0

Answer:

$\huge\boxed{9) Option \ 2}$

$\huge\boxed{10) \ Option \ 1}$

Step-by-step explanation:

1) (13)(3) = 39

2) (-12)(-3) = 36 ← Correct Option

3) 4(-9) = -36

4) (-18)(2) = -36

= (-3)(-2)(1)(4)

= (6)(1)(4)

= (6)(4)

= 24

$\rule[225]{225}{2}$

Hope this helped!

valkas [14]2 years ago

3 0

Answer:

9.the second one

10.the first one

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Factor the trinomial!! PLEASE HELP and if possible please explain how to do this!!

Nikitich [7]

Answer:

d. a = 39

Step-by-step explanation:

Question:

for which value of "a" will the trinomial be factorizable.

x^2+ax-40

For the expression to have integer factors, a = sum of the pairs of factors of -40.

-40 has following pairs of factors

{(1,-40), (2,-20, (4,-10), (5,-8), (8, -5), (10,-4), (20,-2), (40,-1) }

meaning that the possible values of a are

+/- 39, +/- 18, +/- 6, +/- 3

out of which only +39 appears on answer d. a=39

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3 years ago

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3 years ago

FRQ 1

Reptile [31]

Answer:

a) The number of visits between the patrons who buys the season passes shows higher frequency than those who did not buy season passes, in general. However, the minimum value of 1 visit is present for both cases.

b) The mean visits of the patrons are just PARAMETERS. If you want to test your hypothesis using hypothesis testing, the statistics are the z or t scores comparing the parameters (means).

c) The proportion who would have paid less are those with 2 or fewer visits because they would only just paid $82 instead of $100.

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Total number of patrons who bought season passes: 30

Proportion who would've paid less = 16/30 = 0.5333

Step-by-step explanation:

I just did it

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2 years ago

11 more than four times a number is 39

Aliun [14]

Hello!

Your answer is: 7

(X = "<em>A number</em>")

<em>"11 more than four times a number is 39"</em> in equation form is: 4X + 11 = 39

to solve, first subtract 11 from both sides:

4X = 28

then divide both sides by 4 to get:

X = 7

I hope this helps, and have a nice day!

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3 years ago

Tony rides the bus to and from school. His total riding time each day is 45 minutes. How much time does Tony spend riding to and

elena-14-01-66 [18.8K]

Answer:

225 minutes or 3 hours and 45 minutes

Step-by-step explanation:

45 (minutes per day) times 5 (days in a school week) = 225 minutes

or add 45 (minutes per day)+ 45+45+45+45 = 225

To get the hours:

Divide 225 by 60 (minutes per hour) and it is 3 - remainder 45.

3 0

2 years ago

Read 2 more answers