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liubo4ka [24]
4 years ago
11

Using the zero product property to find the solutions to the equation 2x^2-x-15=x(x+1)

Mathematics
1 answer:
alex41 [277]4 years ago
6 0

The answer would be C. x=-3 or x=5.

You can find this answer using the zero product property and the quadratic formula. Hope this helps :)

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3.
Sedbober [7]

The equations that could represent the quantities and constraints in this  situation are:

m = 12(15) ⇒ answer a

4n = c ⇒ answer c

b = 2(3) + 3(4.50) ⇒ answer e

Step-by-step explanation:

Jada plans to serve milk and healthy cookies for a book club meeting

  • She is preparing  12 ounces of milk and 4 cookies per person
  • There are 15 people in  the club
  • A package of cookies contains 24 cookies and costs $4.50
  • A 1-gallon jug of  milk contains 128 ounces and costs $3

n represents number of people in the club,  

m represents the ounces of milk

c represents the number of cookies

b represents Jada's budget in dollars

∵ m represents the ounces of milk

∵ She is preparing  12 ounces of milk

∵ There are 15 person in the club

∴ m = 12(15)

∵ She is preparing 4 cookies per person

∵ c represents the number of cookies

∵ n represents the number of people in the club

∴ 4n = c

∵ A package of cookies contains 24 cookies

∵ She needs = 15 × 4 = 60 cookies

∵ 60 ÷ 24 = 2.5

∴ She needs to buy 3 packages of cookies

∵ She needs = 15 × 12 = 180 ounces of milk

∵ A 1-gallon jug of  milk contains 128 ounces

∵ 180 ÷ 128 = 1.406

∴ She needs to buy 2 A 1-gallon jug of milk

∵ The cost of each jug of milk is $3

∵ The cost of each package of cookies is $4.50

∵ b represents Jada's budget in dollars

∴ b = 2(3) + 3(4.50)

The equations that could represent the quantities and constraints in this  situation are:

m = 12(15) ⇒ answer a

4n = c ⇒ answer c

b = 2(3) + 3(4.50) ⇒ answer e

Learn more:

You can learn more about word problems in brainly.com/question/3950386

#LearnwithBrainly

7 0
3 years ago
One of my factors is 9. The sum of my product of my two factors is 13. What inumber am I?
timofeeve [1]
4  x+9=13 X=4 subtract 9 from the 9 and 13 and 13-9 =4 so x=4
5 0
3 years ago
PLEASE HELP!!!!!<br><br><br> Write the equation in slope-intercept form.<br> 4y + 12x = 16
galben [10]

Answer:

Y = -3x + 4

Step-by-step explanation:

4 0
3 years ago
Berta is planning a party for her friends. The room rental cost is $50 plus an additional $3 per person to cover food costs. Ber
ss7ja [257]

Answer:

  A. 3x+50 ≤ 100; 16 people

Step-by-step explanation:

If x represents the number of people at Berta's party, then the cost of food is 3x. Added to the $50 cost of room rental, the total charge Berta must pay will be ...

  3x +50

She wants this to be at most $100, so her inequality is ...

  3x +50 ≤ 100

Berta can solve this by subtracting 50, then dividing by 3.

  3x ≤ 50

  x ≤ 16 2/3

Since x represents a number of <em>people</em>, and it is not possible (or desirable) to have 2/3 of a person show up, the maximum number of people that can attend Berta's party is 16.

4 0
3 years ago
If f(x)=-4x+3 and g(x)=3x^2+2x-4, find (f+g)(x)
Tanzania [10]

Answer:

x= -2+3/7

Step-by-step explanation:

you have to add all the common denominators and then you have to divide by the answer you get at the end if you want to check it just plug in the number and you get your answer plz give me brainliest.

3 0
4 years ago
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