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3 years ago

What are the values of a, b, and c in the quadratic equation -2x + 4x - 3 = 0?

Mathematics

1 answer:

34kurt3 years ago

5 0

A= -2

B= 4

C= -3

The equation the help you with this for later reference is **ax^2 + bx + c=0**

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A market vendor sells pawpaws and guavas. In a week the number of pawpaws sold and the number of guavas sold were in the ratio 3

EastWind [94]

Total awpaws and guavas sold in a week = 328

Let the number of pawpas and guavas be x

ATQ

3x + 5x = 328

8x = 328

x = 328/8

x = 41

Pawapas in a week = 123

Guavas in a week = 205

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3 0

3 years ago

A bag of fertilizers covers 30 square yard of lawn.find how many bags of fertilizers should be purchased to cover a rectangular

lidiya [134]

Answer:

15 bags

Step-by-step explanation:

25 * 18 yard^2 = area

so, Area/Fertilizercoverrate = what we want.

25*18/30 = 15 bags

4 0

3 years ago

Mary used Delicious (d) and Golden Delicious (g) apples to make homemade applesauce. Delicious apples are $0.75 each and Golden

alina1380 [7]

Answer:

Mary bought 9 Golden Delicious apples

Step-by-step explanation:

This can be solved by setting up a system of equations. Based on the information given, the equations would be set up as follows.

$.75d+1.25g=21.00\\d+g=22$

I prefer to solve using substitution, but elimination can be used as well

$.75d+1.25g=21.00\\g=22-d$

We can now plug in this g value to the first equation

$.75d + 1.25 (22-d)=21.00\\.75d + 27.5-1.25d=21\\27.5-0.5d=21\\-.5d=-6.5\\d=13$

This means mary bought 13 delicious apples. She bought 22 apples in total, so the total number minus the amount of delicious apples will give us the amount of golden delicious apples.

22 - 13 = g

9 = g

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`

Let me know if you have any questions! Spread the love.

3 0

2 years ago

Maria buys 8 1/3 pounds of beef to make tacos for a party. She uses 5/9 pound of beef for a each taco. How many tacos can Maria

Reika [66]

You will have to divide the beef Maria bought by the amount of beef she uses to make the tacos. She can make 15 tacos.

5 0

4 years ago

А 2. Find the values of x and 3x.

jolli1 [7]

Answer:

Step-by-step explanation:

For the equation y = x - 3x + 4x + 5, tind the point of inflection. ... Find the indicated derivative using the definition f(x) = 2x4+3x3-2x+7: f'(0).

7 0

3 years ago