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Degger [83]
2 years ago
10

1) Eight less than triple a number

Mathematics
2 answers:
aksik [14]2 years ago
6 0

Answer:

1) 8- 3x

2) 15x -6

...........?

Ray Of Light [21]2 years ago
3 0
1. 8-3x
2. 15x-6
3a. 1/2x+5
B. 1/2(4.50) + 5
2.25+5 =7.25
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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
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6 0
2 years ago
(3x-8)° (4x-23)° fine the x
Veronika [31]

You cannot find x.

Because both phrases are to the power of 0, we know that it is essentially 1*1

So:

(3x - 8)^0 (4x - 23)^0 = 1

7 0
3 years ago
How would 9/25 as a percent
Over [174]
36% is the answer to the question
8 0
3 years ago
Read 2 more answers
Round 487.010 to the nearest whole number. Enter your answer in the space<br> provided
saw5 [17]

Answer:

487

Step-by-step explanation:

The answer is 487 because you must look one place to the right of the whole number for the rounding digit on the right side of the decimal point which is 0. Then you round down since the digit is not greater than 5.

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5 0
3 years ago
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