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Yakvenalex [24]
3 years ago
15

What are the solutions to this quadratic equation? -2x^2+x+4=0

Mathematics
2 answers:
poizon [28]3 years ago
4 0

Answer:

The person above is correct this is just confirmation

Step-by-step explanation:

adoni [48]3 years ago
3 0

Answer:

Well I got \frac{1}{4} plus or minus \sqrt{33}

Step-by-step explanation:

1/4±\sqrt{33}

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The area of a rectangle is 48 square centimeters and the length of the rectangle is 8 centimeters longer than the width.
Luda [366]
I hope this helps you

8 0
4 years ago
Slope -4 passing through the point (5,3).
bonufazy [111]
A negative slope means the line would be going downward, so you would go down first (instead of up as with a positive slope), then over right.

Therefore, you would go down 4 (or negative 4 considering you are going down) and right 1.

Rise over run still applies here. Rise over run is a fancy way of saying to put the number (or slope) in fraction form.

-4 as a fraction would be -4/1.

So start at (5,3), go down 4 and over 1, repeatedly and you got it.

**Just remember the rise over run can be confusing with negative slopes.**
5 0
3 years ago
What is the answer to the problem
Tanya [424]

Answer:

a - 8

b - 20

c - 40

answer - 40% of 20 is 8

Step-by-step explanation:

20 x .4 = 8

.4 is found by the 40 / 100

8 0
3 years ago
Read 2 more answers
Which equation can be used to find the solution of (1/4)^y+1=64?
Ne4ueva [31]

Answer:

−y−1=3

Step-by-step explanation:

Which equation can be used to find the solution of (1/4)^y+1=64?

This can be solved by power of indices

(1/4)^(y+1)=64

(4^-1)^(y + 1)= 4^3

Note

(x^a)^b = x^ab

Hence:

4^(-1)(y + 1)= 4^3

4^-y - 1 = 4^3

Divide both sides by 4

−y−1=3

Hence, the equation that can be used to find the solution of (1/4)^y+1=64 is

−y−1=3

4 0
3 years ago
Read 2 more answers
Help me :)<br> I need help <br> Algebra 2
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What is the question?
8 0
3 years ago
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