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3 years ago

X+40/100*x=60 What is x?

Mathematics

1 answer:

Archy [21]3 years ago

6 0

Answer:

Step-by-step explanation:

x + 40/100 × x = 60

x + 40/100x = 60

x + 0.4x = 60

Combine like terms.

1.4x = 60

Divide both sides by 1.4.

x = 42.857143

x = 300/7

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Phantasy [73]

I guess you want to simplify this:-

60 / 108 = 30/54 (dividing top and bottom by 2)

= 15/27 ( divide by 2 again)

= 5/9 Answer (dividing top and bottom by 3)

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3 years ago

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What is the inverse of y=pi/2+sin x

Alekssandra [29.7K]

Answer:

$f^{-1}(x)=\sin ^{-1}(x-\frac{\pi}{2})$

Step-by-step explanation:

The given function is

$y=\frac{\pi}{2}+\sin x$

To find the inverse of this function, we interchange x and y.

$x=\frac{\pi}{2}+\sin y$

we now solve for y.

$x-\frac{\pi}{2}=\sin y$

Take the sine inverse of both sides to obtain;

$\sin ^{-1}(x-\frac{\pi}{2})=y$

Hence the inverse of the given function is;

$f^{-1}(x)=\sin ^{-1}(x-\frac{\pi}{2})$

where $\frac{\pi}{2}-1\le x\le \frac{\pi}{2}+1$

6 0

3 years ago

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What is the circumference of a circle with a diameter of 5.8 inches? Use 3.14 for π and round the answer to the nearest tenth. A

Vikki [24]

Answer: B) 18.2 inches

Step-by-step explanation:

We know that the circumference of a circle is given by :-

$\text{Circumference}=\pi d$

Given : Diameter of a circle = 5.8 inches

Then, the circumference of the circle will be :-

$\text{Circumference}=(3.14)\times5.8=18.212\approx18.2\text{inches}$

Hence, the circumference of the circle = 18.2 inches

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3 years ago

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The table represents a linear function.

makvit [3.9K]

$\frac{ - 6 - - 16}{ - 2 - - 4}$
y2 - y1 / x2 - x1 = slope

5 0

3 years ago

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determine if the ordered pair is a solution of the equation is (-1,-30) a solution of y =10×? true or false

anzhelika [568]

Answer:

if you meant y = 10x, then false

Step-by-step explanation:

(-1,-30) means that x = -1 and y = -30

so then substitute those variables in y = 10x

-30 = -1 * 10

-30 = -10, that's false

7 0

4 years ago

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