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3 years ago

Doug's $3100 monthly budget is represented by the pie chart below. All amounts are in dollars.

Mathematics

2 answers:

astraxan [27]3 years ago

3 0

Answer:

I would love to answer it but I can't find the pie chart.

Alex17521 [72]3 years ago

3 0

Answer:

Options

A - 13%

B - 11%

C - 6%

D - 16%

The answer is %16!

Step-by-step explanation:

Just did it!

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9/20

Stella [2.4K]

Question:

Find the number of real number solutions for the equation. x^2 + 5x + 7 = 0

Answer:

The number of real solutions for the equation $x^{2}+5 x+7=0$ is zero

Solution:

For a Quadratic Equation of form : $a x^{2}+b x+c=0$ ---- eqn 1

The solution is $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Now , the given Quadratic Equation is $x^{2}+5 x+7=0$ ---- eqn 2

On comparing Equation (1) and Equation(2), we get

a = 1 , b = 5 and c = 7

In $x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$ , $b^2 - 4ac$ is called the discriminant of the quadratic equation

Its value determines the nature of roots

Now, here are the rules with discriminants:

1) D > 0; there are 2 real solutions in the equation

2) D = 0; there is 1 real solution in the equation

3) D < 0; there are no real solutions in the equation

Now let solve for given equation

$D= b^2 - 4ac\\\\D = 5^2 - 4(1)(7)\\\\D = 25 - 28 \\\\D = -3$

Since -3 is less than 0, this means that there are 0 real solutions in this equation.

4 0

4 years ago

What is my weighted grade please explain how it's done.

salantis [7]

That's not enough information to calculate your grade from.

-- You've told us the scores you have in things that go together
to make up (35 + 5 + 25) = 65% of your grade.

-- We don't know your scores in the things that make up the other
35% of your grade.

4 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%20%20%5Cfrac%7B7%7D%7B216%7D%20%7D%20%5Ctimes%20%20%5Csqrt%7B42%7D%20%20" id

Natalija [7]

Answer:

IM GOING TO THIS but what do I gotta do evaluate? simplify?

6 0

4 years ago

Which graph represents a function?

valina [46]

The graph on the top right would represent a function. A function line on a graph includes one line going in one direction. It's not 2 lines, its not just dots either and it definitely isn't in a square because, as I said, it goes in ONE direction. Hope this helped!

8 0

3 years ago

Read 2 more answers

Each morning papa notes the birds feeding on his birdfeeder. So far this month he has seen 59 blue jays, 68 black crows, 12 red

UNO [17]

I think it would be A pls mark brainliest

5 0

3 years ago