2 years ago

I need help pleeeeease

Mathematics

1 answer:

Shkiper50 [21]2 years ago

7 0

Answer:

Step-by-step explanation:

because by solving that the answer comes 5.70

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Evaluate cos(tan^-1 0)

AlladinOne [14]

Answer:

$cos(tan^{-1}(0))=1$

Step-by-step explanation:

Evaluate cos(tan^-1 0)

$cos(tan^{-1}(0))$

We know that tan(0)=0

tan (0 degree)=0

$tan^{-1}(0)=0$

Replace it in our problem

$cos(tan^{-1}(0))$

$cos(0)$

At 0 degree the cos value is 1

So co(0)=1

$cos(tan^{-1}(0))=1$

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3 years ago

What is the equation, in the point-slope form, of the line that is parallel to the given and passes through the point (-1,-1)?

devlian [24]

Answer:

y + 1 = 3(x+ 1)

Step-by-step explanation:

(2,3) , (0 ,-3)

Slope = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$= \frac{-3-3}{0-2}\\\\=\frac{-6}{-2}\\\\= 3$

m = 3

Parallel lines have same slope.

m = 3; (-1 , -1)

y -y1 = m (x -x1)

y -[-1] = 3(x -[-1])

y + 1 = 3(x+ 1)

8 0

2 years ago

I need help 25 points

Ksenya-84 [330]

Answer:

|6-8|=2

Step-by-step explanation:

You see, absolute value makes any number positive. It doesn't matter if the number was already positive or negative. |x|>=0. If that makes sense. So, 6-8 would be -2. But -2 in absolute value would be 2.

3 0

2 years ago

Find the value of a and b when x = 10<br>a= 5x²/2 <br>b= 2x²(x-5)/10x

docker41 [41]

A=250
b=1000
hope this helped you :))

4 0

2 years ago

Help me! Pls and thank you sm! :D

vampirchik [111]

Answer:

A is correct

......................

5 0

2 years ago