What percent is equivalent to 8/40

Mathematics

1 answer:

Dmitry [639]3 years ago

4 0

divide:

8/40 = 0.2

0.2 = 20%

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10(8x^2-8x)<br> 10(8x <br> 2<br> −8x)

Law Incorporation [45]

Answer: 6400<em>x²</em> · (<em>x - 1)²</em>

The rule says: To multiply exponential expressions which have the same base, add up their exponents.

In our case, the common base is (x-1) and the exponents are:

1, as (x-1) is the same number as (x-1)1

And 1, as (x-1) is the same number as (x-1)1

The product is therefore, (x-1) (1 + 1) = (x-1)²

6 0

2 years ago

Read 2 more answers

HELP PLEASE???!!!!!!!

Fiesta28 [93]

Answer:

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=\dfrac{3}{4}x-12&(1)\\y=-4x-31&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\\dfrac{3}{4}x-12=-4x-31\qquad\text{multiply both sides by 4}\\\\3x-48=-16x-124\qquad\text{add 48 to both sides}\\\\3x=-16x-76\qquad\text{add}\ 16x\ \text{to both sides}\\\\19x=-76\qquad\text{divide both sides by 19}\\\\x=-4\\\\\text{Put it to (2):}\\\\y=-4(-4)-31\\y=16-31\\y=-15$

7 0

3 years ago

At the beach, 29% of people are on the boardwalk and 26% are on the sand. If the rest are in the water, what percentage of peopl

natali 33 [55]

Answer:

45% of the people are in the water

Step-by-step explanation:

100%-29%=71%

71%-26%=45%

6 0

2 years ago

What function is shown by the graph below?

Airida [17]

Answer:

The function $f(x)=\sqrt{x+2}$ is shown by the graph below ⇒ 2nd answer

Step-by-step explanation:

<em>To find the right function chose two points from the graph and substitute the x-coordinate of each point in the function to find the y-coordinate, if they are the same with the corresponding y-coordinates of the points, then the function is shown by the graph</em>

From the figure:

The curve passes through points (-2 , 0) and (2 , 2)

∵ $f(x)=\sqrt{x-2}$