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3 years ago

Braden has r red peppers and 10 green peppers. Write an expression that shows how many peppers Braden has.

1 answer:

4 0

The amount of peppers Braden has is red peppers + green peppers

Braden has r red peppers
He also has 10 green peppers
P stands for the amount of peppers he has in all

So you equation will look like
P = r + 10
For the expression, you do not need to have P, because it doesn't specify for you to 'know' what the total amount is. So your answer is r + 10

hope this helps

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I have no idea how to do this stuff.

kenny6666 [7]

Answer: $y=2x^{2}-5x+7$

Step-by-step explanation:

The quadratic equation in its standard form is:

$y=ax^{2}+bx+c$

Now, we are given 5 points of the parabola (if you graph a quadratic equation you will have a parabola), however we only need to choose three points to find the coeficients $a$ , $b$ and $c$ in the quadratic equation.

So, let's choose the first three points:

(-1,14):

$14=a(-1)^{2}+b(-1)+c$

$14=a-b+c$ (1)

(0,7):

$7=a(0)^{2}+b(0)+c$

$7=c$ (2)

(1,4):

$y=2x^{2}-5x+7$

$4=a(1)^{2}+b(1)+c$

$4=a+b+c$ (3)

Substituting (2) in (1) and (3):

$14=a-b+7$ (4)

$4=a+b+7$ (5)

At this point we have a system with two equations.

Adding (4) to (5):

$18=2a+14$ (6)

Isolating $a$ :

$a=2$ (7)

Substituitng (7) in (3):

$4=2+b+7$ (8)

Isolating $b$ :

$b=-5$ (9)

Now we have the three coeficients and we can write the quadratic equation:

$y=2x^{2}-5x+7$

8 0

4 years ago

How do you find the derivative of f(x)=cos(x)f(x)=cos(x) ?

Lyrx [107]

$f(x)=\cos x\\
f'(x)=-\sin x$

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3 years ago

What are the steps and answer

amm1812

Answer:

Trust me it’s I disagree

Step-by-step explanation:

So you have to use the Pythagorean Theorum which is $a^2+b^2=c^2$ and in this case a is 70 and b is 40.

So if we plug those numbers in we have to square a and b and add them which is 6,500 and to find c we have to find the square root of 6500 which is about 80 so lines PR and QR are different

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4 years ago

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What is the slope of the line shown in the graph?

iVinArrow [24]

Answer:

Step-by-step explanation:

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2 years ago

What’s 5.03 in simplest form

kondaur [170]

Answer:

5 3/10

Step-by-step explanation:

To simplify this decimal you need to convert it to a fraction

You get 503/100 since the decimal is in the hundredths place so its over 100

You can leave it as an improper fraction or convert it to a mixed number by dividing 503/100 which will get you 5 3/10.

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3 years ago