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2 years ago

Find the rate of change

Mathematics

1 answer:

valentinak56 [21]2 years ago

8 0

Answer:

It's A

Step-by-step explanation:

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What is the exact value of cos 5pi/4 radians?

snow_lady [41]

-Radical two (square root of two)/2
Because:
5pi/4 = 225 the reference angle for that is 45 degrees, cos 45 = Radical two (square root of two)/2 and because 225 is in quadrant three and only tangent is positive in quadrant 3, the cos is negative

5 0

3 years ago

Kim is solving a quadratic trinomial equation and has correctly factored it into (x+3)(x-2)=0.

s2008m [1.1K]

Hello,

Answer A
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3 0

2 years ago

Plz help me I dont understand

serious [3.7K]

Answer:

$\frac{4 - 8}{2 - 3} = - \frac{ 4}{ 1} = - 4$

Step-by-step explanation:

you put the y's on the top and the x's on the bottom and subtract. what you get is your slope.

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2 years ago

I need helps with this

slega [8]

Answer:

A. -3(5x - 13)

Step-by-step explanation:

When you open the bracket

You have -3 x 5x -3(-13)

Negative negative gives you positive

Then it becomes

-15x + 39

3 0

2 years ago

Y=4x−9<br> Complete the missing value in the solution to the equation

weeeeeb [17]

Answer:

<h2>The missing value is 3, and the coordinates are (3,3).</h2>

Step-by-step explanation:

The complete question is

$y=4x-9$

Complete the missing value in the solution to the equation. (3, ? )

By given, we know that $x=3$ , because coordinates are written like $(x,y)$ .

Then, we replace the given coordinate to find $y$ .

$y=4x-9\\y=4(3)-9\\y=12-9\\y=3$

Therefore, the missing value is 3, and the coordinates are (3,3).

4 0

2 years ago