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3 years ago

-3x-4=-13 solve inequality plz show work!

2 answers:

8 0

Hey there! :)

-3x - 4 = -13

We're essentially just trying to isolate x. So, we need to get x onto its own side of the equal sign! We can do this by adding 4 to both sides.

-3x = -13 + 4

Simplify.

-3x = -9

Divide both sides by -3.

x = 3

~Hope I helped!~

Lady bird [3.3K]3 years ago

6 0

Hello Again!

What you want to do first is add 4 to -4 and to -13. After doing so, you'll equation will look a little something like this...

-3x=9

You'll then want to divide both -3 and 9 by -3. After doing so, the equation will look like this...

x=-3

Your answer is x=-3

I hope this helps

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Production times are evenly distributed between 8 and 15.8 minutes and production times are never outside of this interval. What

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Answer:

29.49% probability that a production time is between 9.7 and 12 minutes

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X between c and d, in which d is greater than c, is given by the following formula.

$P(c \leq X \leq d) = \frac{d - c}{b-a}$

Production times are evenly distributed between 8 and 15.8 minutes and production times are never outside of this interval.

This means that $a = 8, b = 15.8$

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$d = 12, c = 9.7$ .

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3 years ago

Thank you in advance for the help !!

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3 years ago

The area of the circle is 144π m2<br><br> What is the diameter of the circle?

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Answer:

Step-by-step explanation:

Remember that

Area of Circle = $\pi r^2$

$\pi = pi \\r = radius$

They told us that for this circle, the area is $144\pi m^2$

If you put it back into the formula for area of a circle we get:

Area of Circle = $\pi r^2$

$144\pi = \pi r^2$

Divide both sides by $\pi$ .

144 = $r^2$

Now we want to solve for r (r = radius).

You need to square root each side

$\sqrt{144} = \sqrt{r^2}$

$12 = r$

So now we know the radius, $r = 12$ metres

Also remember that

Diameter = $2r$

So,

Diameter = 2 times 12 = 24 metres

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3 years ago

The area of a rectangle is represented by the expression 6x³y5. Which of the following could be the

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The length and width of the rectangle are: $2x^2y^2 , 3xy^3$

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The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

The area of a rectangle is represented by the expression $6x^3y^5$ .

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1 year ago