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3 years ago

ANSWER BOTH QUESTIONS FOR BRAINLIEST!

Mathematics

2 answers:

Hatshy [7]3 years ago

6 0

Answer:

(0, 0) ; 2

Step-by-step explanation:

First answer is marked correctly (0, 0)

Second question:

0.5 = $\frac{1}{2}$

$\frac{1}{2}$ × $\frac{2}{1}$ = 1 ⇒ $\frac{2}{1}$ = 2 is reciprocal to $\frac{1}{2}$

Helen [10]3 years ago

4 0

Answer:

1. (0,0)

2. 2

Step-by-step explanation:

The origin is the middle or the center which is (0,0)

another way to write 0.5 is 1/2 but be careful because it said reciprocal which means you need to flip it over which is 2

Hope this helps!

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What is the slope of the line?

Alexeev081 [22]

Answer:

-3

Step-by-step explanation:

we take two points to find slope m

lets take ( 1, 4) and ( 2, 1)

then m=(1-4)/(2-1)

m=(-3)/(1)

m= -3

4 0

3 years ago

Need help finding the answer.

Bingel [31]

Answer:

angle 2= 52.7° (same as angle 4)

angle 1 and angle 3 = 127.3°

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2 years ago

Find the slope (2,4),(-2,-1)

tangare [24]

Answer:

4/5

Step-by-step explanation:

x2-x1/y2-y1

-2-2=-4

-1-4=-5

-4/-5

Simplify

4/5

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3 years ago

Find the x-coordinates where f ' (x)=0 for f(x)=2x+sin(4x) in the interval [0, pi]

MAVERICK [17]

Answer:

The x-coordinate is \dfrac{\pi}{6}[/tex].

Step-by-step explanation:

We are given a function f(x) as:

$f(x)=2x+\sin (4x)$

Now on differentiating both side with respect to x we get that:

$f'(x)=2+4 \cos (4x)$

When $f'(x)=0$

this means that $2+4\cos (4x)=0\\\\4\cos (4x)=-2\\\\\cos(4x)=\dfrac{-1}{2}$

Hence, cosine function takes the negative value in second and third quadrant but we have to only find the value in the interval $[0,\pi]$ .

also we know that $\cos (\dfrac{2\pi}{3})=\dfrac{-1}{2}$ ----(1) (which lie in the second quadrant)

so on comparing our equation with equation (1) we obtain:

$4x=\dfrac{2\pi}{3}\\\\x=\dfrac{\pi}{6}$

Hence, the x-coordinates where $f'(x)=0$ for $f(x)=2x+\sin(4x)$ is $\dfrac{\pi}{6}$ .

5 0

3 years ago

Six plus -2 times a number is the same as 26 plus six times the same number.

aleksandr82 [10.1K]

Step-by-step explanation:

let the number be x

and according to question,

six + 2 times a number = 2x + 6

26 + 6 times a number = 6x + 26

→ 2x + 6 = 6x + 26

→ -6x + 2x = 26 - 6

→ -4x = 20

→ x = 20/4 = 5

→ x = 5

therefore, the number is 5.

hope this answer helps you dear...take care and may u have a great day ahead!

7 0

3 years ago