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3 years ago

Create a quadratic equation that can be solved by factoring. Give the factored answer.

1 answer:

3 0

Quadratic eq standard form is

Ax^2+bx+c=0

a, b and c are known values.
a can't be 0."x" is the variable

lets take an example

x^2 − 4x+2 = 0

x^2-2x-2x+2=0
x(x-2) - 1(x-2)=0

x=1,2

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Choose 3 values that would make thi inequalitie true 28+x>42

Y_Kistochka [10]

9514 1404 393

Answer:

14.01, 493, 87

Step-by-step explanation:

Subtracting 28 from both sides tells you the range of values you need to be looking at.

28 + x > 42

x > 14

Any values more than 14 will make the inequality true. Three of them are ...

14.01, 493, 87

4 0

3 years ago

Find the value of x?

galben [10]

X=4.1

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3 years ago

Find that sale price: jeans $85.99 at a 15% discount

arlik [135]

The sale price of the jeans would be $73.09

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3 years ago

Henry is mixing concrete. To make concrete he needs to mix cement, sand and gravel in the ratio 1 : 4 : 7 by weight. Henry needs

jolli1 [7]

Answer:

Henry is short of gravel

Step-by-step explanation:

Here, we are to identify which of the ingredients Henry is short of.

To identify this ingredient, what is needed to be done is to share the 180kg of concrete appropriately to get which of the material does not meet its ratio and thus allowing us know which is insufficient.

The total ratio is 1 + 4 + 7 = 12

For cement, we have ;

1/12 * 180 = 15 kg

For sand, we have

4/12 * 180 = 60kg

For gravel, we have

7/12 * 180 = 105 kg

From the values in the question, we can see that all the values we have are greater what is shared in the ratio except in the case of gravel. So we can confidently say he is short of gravel

8 0

3 years ago

Would someone mind answering this?

saveliy_v [14]

Answer:

Step-by-step explanation:

There is not enough information to solve this question

6 0

4 years ago

Read 2 more answers