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Papessa [141]
3 years ago
12

What grade should I take AP classes?

Mathematics
2 answers:
natali 33 [55]3 years ago
8 0
11th grade 100% you can take them in 9th right but it’s too much
Ronch [10]3 years ago
7 0
Well… you can take AP courses and exams as early as 9th grade, but I don't recommend it. I think certain AP subjects, such as European History and World History, are great choices for 10th graders. But most AP classes are best suited to high school juniors and seniors.

Hope I can help you!
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-35, 165 365, 565 765,<br> Is it geometric, arithmetic, neither?
Charra [1.4K]

Answer:

arithmetic

Step-by-step explanation:

I think

3 0
3 years ago
Read 2 more answers
Calculate the area of the shaded sector.<br><br> 11.73<br><br> 11.2<br><br> 11.4<br><br> 11.83
laiz [17]
The formula for the area of a circle is

A=πr²
plug in the data we know
A=π4²
A=16π

Since we only we need to find the area of the shaded section, we need to twerk this equation a bit. (remember that the shaded section is 84/360 of the original circle.)

A=84/360*16π
A=11.728
A=11.73 units²


answer: <span>A=11.73 units²</span>
4 0
3 years ago
Topic: The Quadratic Formula
Finger [1]

Answer:

Step-by-step explanation:

The quadratic formula for a equation of form

ax²+bx + c = 0 is

x= \frac{-b +- \sqrt{b^2-4ac} }{2a}

For the first equation,

x²+3x-4=0,

we can match that up with the form

ax²+bx + c = 0

to get that

ax² =  x²

divide both sides by x²

a=1

3x = bx

divide both sides by x

3 = b

-4 = c

. We can match this up because no constant multiplied by x could equal x² and no constant multiplied by another constant could equal x, so corresponding terms must match up.

Plugging our values into the equation, we get

x= \frac{-3 +- \sqrt{3^2-4(1)(-4)} }{2(1)} \\= \frac{-3+-\sqrt{25} }{2} \\ = \frac{-3+-5}{2} \\= -8/2 or 2/2\\=  -4 or 1

as our possible solutions

Plugging our values back into the equation, x²+3x-4=0, we see that both f(-4) and f(1) are equal to 0. Therefore, this has 2 real solutions.

Next, we have

x²+3x+4=0

Matching coefficients up, we can see that a = 1, b=3, and c=4. The quadratic equation is thus

x= \frac{-3 +- \sqrt{3^2-4(1)(4)} }{2(1)}\\= \frac{-3 +- \sqrt{9-16} }{2}\\= \frac{-3 +- \sqrt{-7} }{2}\\

Because √-7 is not a real number, this has no real solutions. However,

(-3 + √-7)/2 and (-3 - √-7)/2 are both possible complex solutions, so this has two complex solutions

Finally, for

4x² + 1= 4x,

we can start by subtracting 4x from both sides to maintain the desired form, resulting in

4x²-4x+1=0

Then, a=4, b=-4, and c=1, making our equation

x=\frac{-(-4) +- \sqrt{(-4)^2-4(4)(1)} }{2(4)} \\= \frac{4+-\sqrt{16-16} }{8} \\= \frac{4+-0}{8} \\= 1/2

Plugging 1/2 into 4x²+1=4x, this works as the only solution. This equation has one real solution

7 0
3 years ago
It is 7 times as much to go to an amusement park as it is to go to the movies if it is $9 to go to the movies how much is it to
julsineya [31]
It will be 63 dollars to go to a amusement park
3 0
3 years ago
Read 2 more answers
Helpppppppp please it’s due today
yanalaym [24]

Answer:

Option B, would be the correct option as she sets it in the attic window. I hope this helps you! :)

8 0
3 years ago
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