All categories

3 years ago

Please help with this!! i already did a bit idk if its right tho

Mathematics

1 answer:

Irina-Kira [14]3 years ago

6 0

What is it? You didn’t post anything?

You might be interested in

What is the solution of y= 1/2x - 1 and y=3x+4

exis [7]

Answer:

(-2,-2)

Step-by-step explanation:

solve by elimination

3 0

3 years ago

PLZ HELP!! if you flipped a coin 200 times, approximately how many times should the coin land heads up?

olasank [31]

It would be very likely that it would land heads up, about 100 times. its a 50/50 chance

5 0

3 years ago

How do you solve for this: f(x)=60-0.18x

Alexxandr [17]

You can put it in a graphing calculator.

X Y
-2 59.64
-1 59.82
0 60
1 60.18
2 60.36

Thats it. and you just graph it

6 0

4 years ago

An isosceles triangle’s altitude will bisect its base. Which expression could be used to find the area of the isosceles triangle

omeli [17]

Answer:

$\dfrac{\sqrt{40}\cdot \sqrt{40}}{2}$

Step-by-step explanation:

The length of the base is the distance between the points 4+2i and 10+4i, so

$\text{Base}=|10+4i-(4+2i)|=|10+4i-4-2i|=|6+2i|=\sqrt{6^2+2^2}=\\ \\=\sqrt{36+4}=\sqrt{40}$

The middle point of the base is placed at point

$\dfrac{4+2i+10+4i}{2}=\dfrac{6i+14}{2}=7+3i$

The length of the height is the distance between the points 5+9i and 7+3i

$\text{Height}=|5+9i-(7+3i)|=|5+9i-7-3i|=|-2+6i|=\sqrt{(-2)^2+6^2}=\\ \\=\sqrt{4+36}=\sqrt{40}$

So, the area of the triangle is

$A=\dfrac{1}{2}\cdot \text{Base}\cdot \text{Height}=\dfrac{\sqrt{40}\cdot \sqrt{40}}{2}$

4 0

3 years ago

What is the value of 12 more than the quiotent of a number of and two decreased by 4 when n is 4

liberstina [14]

Answer:

Step-by-step explanation:

"12 more than the quiotent of a number n of and two decreased by 4"

$\left(\dfrac{n}{2}-4\right)+12$

Simplify:

$\left(\dfrac{n}{2}-4\right)+12=\dfrac{n}{2}-4+12=\dfrac{n}{2}+8$

Put n = 4 to the expresssion:

$\dfrac{4}{2}+8=2+8=10$

4 0

4 years ago