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3 years ago

1. If you are given a fraction, what can you do to create an equivalent fraction? Tell why this method works.

1 answer:

6 0

Multiply by 100, and divide by the denominator, then divide by 100 to get a decimal, this works because of a percentage ratio, which is 1.00 to 100.

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The factory makes 400 cars per day. If the workday is eight hours long. What is the hourly rate at which car are produced

bixtya [17]

Answer:

Step-by-step explanation:

400/8 =50

5 0

2 years ago

I'm confused. Can someone help me out with this problem step-by-step using the P = 2L + 2W formula?

german

We can't use P = 2L + 2W because the sides have different lengths.

P = a + b + c + d

a = x

b = 2x

c = 2x - 2

d = x + 5

P = x + 2x + (2x - 2) + (x + 5)

P = <u>x + 2x + 2x</u> - 2 <u>+ x</u> + 5

P = 6x + 3

if x = 4:

P = 6 · 4 + 3

P = 24 + 3

P = 27

3 0

3 years ago

Domanin and range...

insens350 [35]

<h2>Domain:</h2><h2>- ∞ < x < ∞</h2>

<h2>Range:</h2><h2>y≤9</h2>

7 0

1 year ago

Please Help ASAP!

Mice21 [21]

Replace the range for f(x)

So...

0=4-2x

x=2

4=4-2x

x=0

8=4-2x

x=-2

Solve!

These are your domains!

6 0

3 years ago

Solve for x

Ulleksa [173]

Answer:

C. x = 1

Step-by-step explanation:

To solve this problem the best way is to use the quadratic formula. First make everything equal to 0 by adding 3 to both sides.

3x^2 - 6x + 3 = 0

The quadratic formula is: $\frac{-b\pm\sqrt{b^2-4ac} }{2a}$ . Substitute the values of a, b, and c into the formula. Keep in mind:

a = 3
b = -6
c = 3

$\frac{-(-6)\pm\sqrt{(-6)^2-4(3)(3)} }{2(3)} \rightarrow \frac{6\pm\sqrt{36-4(9)} }{6} \rightarrow \frac{6\pm\sqrt{0} }{6} \rightarrow \frac{1\pm0}{1} \rightarrow 1$

Therefore, x = 1.

8 0

3 years ago