3 years ago

Explain how to find the slope of a vertical line

Mathematics

1 answer:

Elina [12.6K]3 years ago

7 0

Answer:

its undefined because its only going up and never over 1/0

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PLEASE HELP WILL MARK BRAINLIEST THANK YOU

Lera25 [3.4K]

Answer:

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Step-by-step explanation:

5 0

2 years ago

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Prove that: cos^2 (45+A)+cos^2 (45-A)=1

Nata [24]

Answer:

see explanation

Step-by-step explanation:

Using the cosine addition formula

cos(A ± B ) = cosAcosB ∓ sinAsinB

Then considering the left side

cos²(45 + A) + cos²(45 - A)

= [ cos45cosA - sin45sinA ]² + [cos45cosA + sin45sinA]]²

= [ $\frac{1}{\sqrt{2} }$ cosA - $\frac{1}{\sqrt{2} }$ sinA ]² + [ $\frac{1}{\sqrt{2} }$ cosA + $\frac{1}{\sqrt{2} }$ sinA ]²

= $\frac{1}{2}$ cos²A - sinAcosA + $\frac{1}{2}$ sin²A + $\frac{1}{2}$ cos²A + sinAcosA + $\frac{1}{2}$ sin²A

= cos²A + sin²A

= 1

= right side , then proven

6 0

3 years ago

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Nadine walked 1/4 miles and Janet walked 3/8 mile. Who walked farther and by how much?

-Dominant- [34]

Answer:

janette by .5/4

Step-by-step explanation:

3/8 -> 1.5/4

4 0

3 years ago

Leslie tunes a guitar with 6 strings and a piano with 37 times as many strings.

Nataly [62]

B 37*6 = 222.
Multiply 6*7 = 42
Multiply 3*6 =18 + 4 = 22

37
*6
222

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3 years ago

Student council at school would like to hold an end of the school year event for the eighth grade students they would like to kn

Alexxx [7]

Answer:

you could have a pie the teacher event?

Step-by-step explanation:

...

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3 years ago