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yan [13]
2 years ago
5

Solve by completing the square 2x^2+x-4=0​

Mathematics
1 answer:
Natali [406]2 years ago
4 0

Answer:

x=-1±[65]

________

8

Step-by-step explanation:

solve the equation for xby finding a,b, and come of the quadratic then applying the quadratic formula

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Is the following variable categorical or quantitative? Collect data from a sample of teenagers with a question that asks ‘‘Do yo
Gnom [1K]

Answer:

The following variable is categorical.

Step-by-step explanation:

Consider the provided information.

Categorical variables: It take the values of categories or labels and position an entity in one of more classes.

Quantitative variables: It take numerical values and represent a calculation of some kind.

Now consider the given scenario.

Teenagers with a question that asks ‘‘Do you eat at least five servings a day of fruits and vegetables?"

Here we have two categories i.e fruits and vegetables.

Therefore, the following variable is categorical.

5 0
3 years ago
GIVING BRAINLIEST!! HELP PLEASE!! you don't have to make it perfect. (no links/spam/or stealing points. i will report your accou
choli [55]
<h2>Answer:</h2>

C = 2πr

r = C/2π ...(1)

A = πr²

A = π(C/2π)² = πC²/4π²

A = C²/4π.

<u>Correct choice</u> - [A] A = C²/4π.

6 0
3 years ago
Divide.Round to the nearest tenth.<br> .16÷.03220
kipiarov [429]
The answer is 4.968 so rounded it would be 5.
3 0
3 years ago
Read 2 more answers
At a back to school sale, backpacks are marked down 15%. If the original price was $34, then what is the sale price?
Dmitry_Shevchenko [17]

Answer:

$28.90

Step-by-step explanation:

If it is marked down 15% then that means it is sold at 85% of the original price

x/34=85/100

cross multiply both fractions

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8 0
4 years ago
Read 2 more answers
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kakasveta [241]

Answer:

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Step-by-step explanation:

-7(-2w - 2y + 4)

Distributive:

14w + 14y - 28

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