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hichkok12 [17]
3 years ago
5

Plzzzzzzz i need this one done ssooooooon

Mathematics
2 answers:
aleksley [76]3 years ago
8 0

Answer:

2y

Step-by-step explanation:

2x3y + 18xy - 10x2y - 90y

6xy + 18xy - 20xy - 90y

All terms can be factored by y and 2.

Gwar [14]3 years ago
5 0

Answer:

Part A:

2y*3 x+2y*9x-2y*10-2y*45

sorry i am not sure for part A

Part B:

2y(2x-45y)

Step-by-step explanation:

Part A:

2y*3 x+2y*9x-2y*10-2y*45

Part B:

2x3y + 18xy − 10x2y − 90y

=2y(3x+9x-10x-45y)

= 2y(2x-45y)

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If a polynomial function f(x) has roots 1+square root of 2 and-3, what must be a factor of f(x)?
nevsk [136]
To find the factor a a polynomial from its roots, we are going to seat each one of the roots equal tox, and then we are going to factor backwards.

We know for our problem that one of the roots of our polynomial is -3, so lets set -3 equal tox and factor backwards:
x=-3
x+3=0
(x+3) is a factor of our polynomial.

We also know that another root of our polynomial is 1+ \sqrt{2}, so lets set 1+ \sqrt{2} equal to x and factor backwards:
x=1+ \sqrt{2}
x-1= \sqrt{2}
x-1- \sqrt{2}=0
(x-(1+ \sqrt{2})=0
((x-(1+ \sqrt{2} )) is a factor of our polynomial.

We can conclude that there is no correct answer in your given choices.
8 0
4 years ago
A laptop computer sells for $850. the sales tax is 7%. what is the total cost of the laptop?
evablogger [386]

Answer:

$909.50

Step-by-step explanation:

$850 x 7% = $59.50 (tax amount)

850 x (1+ 0.07) = $909.50

4 0
3 years ago
How do you do the math for this?
makvit [3.9K]
For the answer to the question above asking, how much gas will you have to buy i<span>f you drive 50 miles each week and your car gets 25 miles to the gallon with gas costing $4.00 per gallon?
</span>The car will use 2 gallons of gas per week at $4 per gallon so you will have to buy $8 per week.
i hope my answer helped you.
8 0
3 years ago
Please answer number 4 I’ll give brainliest thanks!
bagirrra123 [75]

Answer:

1/8

Step-by-step explanation:

P(5) = 1/8

-----------

6 0
3 years ago
Read 2 more answers
A ribbon is 12 3/8 feet long.Into how many 3/4-foot pieces can it be cut?
seraphim [82]
12 3/8 ÷ 3/4

change the mixed fraction to improper....

99         3
__  ÷     __
8             4

now change the sign to a multiplication sign and flip 3/4.

99   4       396
__× __=  _____
8       3       24

396/24..... that changes to 16 22/24. Simplify it and it will be 16 11/12.
6 0
4 years ago
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