MATHEMATICS HIGH SCHOOL

Find the product -2x a(-4x b - 2x 3 + 5x)

Answers

Answer 1
Answer: -2ax(-4bx - 2x³ + 5x)
-2ax(-4bx) - 2ax(-2x³) - 2ax(5x)
8abx² + 4ax⁴ - 10ax²

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Write 9/25 as a percent and a decimal. A) 2.25 and 225%
B) 0.36 and 36%
C) 0.36 and 3.6%
D) 0.036 and 0.36%

Answers

B) 0.36 and 36%

just divide 9 by 25 to get the answer,

you will get 0.36 when doing this and just convert it into a percent

then boom you get 0.36 and 36 %

For the school play , adult tickets cost $4 and children cost $2. Natalie is working at the ticket counter and just sold $20 worth of tickets. What are all of the possible ticket combinations for $20 worth tickets?

Answers

5 adult tickets
4 adult 2 kids
3 adult 4 kids
2 adult 6 kids
1 adult 8 kids
10 kids
:)

I dont know the answer but i try to reach 20 characters

I’m in need of help

Answers

Answer:

Step-by-step explanation:

9. (-2, 2) (4, 3)

  (3 - 2)/(4 + 2) = 1/6

10. (-2, 2) (3, 4)

     (4 - 2)/(3 + 2) = 2/5

11. (3 - 13)/(0 + 16)= -10/16= -5/8

12. (-19 - 0)/(7 + 12) = -19/19= -1

Write the quadratic equation in general form. (x - 3)^ 2 = 0

Answers

easy
expand
(x-3)^2=0
(x-3)(x-3)
foil
first: x time x=x²
outter: -3 times x=-3x
inner:x times -3=-3x
last: -3 times -3=9
add them
x²-3x-3x+9=0
x²-6x+9=0
The answer is:  x² – 6x + 9 = 0  .
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Explanation:
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Given:  (x – 3)² = 0 ;  write as: general form:  "ax² + bx + c = 0";  a ≠ 0 .

Note:  (x – 3)² = (x – 3)(x – 3) = x² – 3x – 3x + 9 = x² – 6x + 9 ;
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Rewrite: (x – 3)²  =  0 ;  →
           as:   x² – 6x + 9 = 0  ; which is our answer.
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→   x² – 6x + 9 = 0  ; is in "general form", or "standard equation format"; that is: " ax² + bx + c = 0 ";  (a ≠ 0) ;
             → in which: 
   a =  1 (implied coefficient, since anything multiplied by "1" is that same                                                                                                                    value);
   b = -6; 
   c =  9
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You are a restaurant manager and are responsible for ordering ingredients for the restaurant at supplier number one you can purchase 20 gallons of milk for $70 at supplier number two you can purchase 50 quarts of milk for $33.50 at supplier number three you can purchase 15 gallons for $48.75 and receive a course free which is the best deal

Answers

So basically you have 20 gal for 70 dollars 12.5 gal for 33.50 or 15 gal for 48.75. So you would need to find how much you spend per gallon divide total money by total gal. So for 15 gal you pay 3.25 per gal, for 12 gal you pay 2.79 per gal and for 20 gal you pay 3.5 per gal. Then I would find out how much I would pay each for 1 specific amount; so for 12 gal from each deal Deal A = 3.50(12)=42, Deal B 2.79(12)=33.50, Deal C 3.25(12)=39.
 So the best deal would be Deal C because it would initially come out cheaper and comes with a free meal.

Express the polynomial 2m^2-3+7m in standard form

Answers

standard form is basically ordering it in order of decreasing powers, left to right, largest to biggest

powers of the placeholder, not of constants
we see we have 2nd degree and 1st
2>1
2m^2 then 7m^1 then -3m^0 or
2m^2+7m-3
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