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3 years ago

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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Solve the equation -7x - 9 = 19 x =?

Ann [662]

Answer:-4

Step-by-step explanation:

-4 x -7 = 28

28-9=19

4 0

3 years ago

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The set of points (-3, 4), (-1, 1), (-3,-2), and (-5,1) identifies the vertices of a quadrilateral. Which is the most specific d

KIM [24]

Answer:

Option (4). Rhombus

Step-by-step explanation:

From the figure attached,

Distance AB = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

= $\sqrt{(1-4)^2+(-5+3)^2}$

= $\sqrt{(-3)^2+(-2)^2}$

= $\sqrt{13}$

Distance BC = $\sqrt{(4-1)^2+(-3+1)^2}$

= $\sqrt{9+4}$

= $\sqrt{13}$

Distance CD = $\sqrt{(-2-1)^2+(-3+1)^2}$

= $\sqrt{9+4}$

= $\sqrt{13}$

Distance AD = $\sqrt{(1+2)^2+(-5+3)^2}$

= $\sqrt{9+4}$

= $\sqrt{13}$

Slope of AB ( $m_{1}$ ) = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

= $\frac{4-1}{-3+5}$

= $\frac{3}{2}$

Slope of BC ( $m_{2}$ ) = $\frac{4-1}{-3+1}$

= $-\frac{3}{2}$

If AB and BC are perpendicular then,

$m_{1}\times m_{2}=-1$

But it's not true.

[ $m_{1}\times m_{2}=(\frac{3}{2})(-\frac{3}{2})$ = - $\frac{9}{4}$ ]

It shows that the consecutive sides of the quadrilateral are not perpendicular.

Therefore, ABCD is neither square nor a rectangle.

Slope of diagonal BD = $\frac{4+2}{-3+3}$

= Not defined (parallel to y-axis)

Slope of diagonal AC = $\frac{1-1}{-1+5}$

= 0 [parallel to x-axis]

Therefore, both the diagonals AC and BD will be perpendicular.

And the quadrilateral formed by the given points will be a rhombus.

5 0

3 years ago

PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!!

den301095 [7]

Answer:

123

Step-by-step explanation:

A+C and E+G will equal 180 separately. Because the lines are parallel we can see that C is equal to G so we can exchange them. Next we have to fill in an equation by using the two equations given which would be 180=9x+15+5x-3 Now solve it

Add alike terms: 180= 14x+12

Subtract 12 to both sides to get operations alone: 168=14x

divide by 14 to get X alone which is 12=x

Now fill in x
9(12)+15= 123

7 0

2 years ago

Someone tell me what 8x+ 7 isss

Lesechka [4]

This expression is not factorable which means the answer is 8x+7

4 0

3 years ago

WILL MARK BRAINY!!!

Kay [80]

Your answer should be C

3 0

3 years ago

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