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worty [1.4K]
4 years ago
13

Find the edge length of the cube

Mathematics
1 answer:
const2013 [10]4 years ago
6 0

Answer:

5

Step-by-step explanation:

follow me if I'm right

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Please I need help? And can u help me with the other questions I asked on my profile?
emmasim [6.3K]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

To calculate m use the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (2,2) and (x₂, y₂ ) = (8, 5) ← 2 points on the line

m = \frac{5-2}{8-2} = \frac{3}{6} = \frac{1}{2}

the line crosses the y-axis at (0, 1) ⇒ c = 1

y = \frac{1}{2} x + 1 ← equation in slope- intercept form



8 0
3 years ago
If you could.. please explain this to me on how to convert this equation.. I would be very thankful.
dolphi86 [110]
Y = -2(x + 3)^2 - 4

First expand the parentheses:-

y = -2(x + 3)(x + 3) - 4

y = -2 [(x(x + 3) + 3(x + 3)] - 4

y =  -2 ( x^2 + 3x + 3x + 9) - 4

y = -2(x^2 + 6x + 9) - 4

Now distribute the -2 over the parentheses:-

y = -2x^2 - 12x - 18 - 4

y = -2x^2 - 12x - 22   Answer
5 0
3 years ago
​If Alfie tosses the paper cup more times, what is the expected ​number of times that the cup will land on its side?
IRINA_888 [86]

Question:

Alfie tossed a paper cup in the air 150 times and recorded the side it landed on.

     Right side up = 60         Upside down = 53             Side = 37

If Alfie tosses the paper cup 100 more times what is the expected number of times the cup will land on its side?

 

Answer:

The expected number of times the cup will land on its side is 25 times

Step-by-step explanation:

Given

Right = 60

Upside\ down = 53

Side = 37

Required

First, we calculate the probability of landing on side

P(Side) = \frac{n(Side)}{Total}

P(Side) = \frac{37}{150}

P(Side) = 0.247

Next, we calculate the expected value; E(x) using:

E(x) = n * P(x)

When tossed 100  more times:

n = 100 and P(x) = P(Side) = 0.247

So:

E(x) = 100 * 0.247

E(x) = 24.7

E(x) = 25 --- approximated

<em>Hence, it is expected that it will land on its side 25 times</em>

3 0
3 years ago
Can somebody help me pls hurrrry
natima [27]

Answer:

5.76 yards (144/25)

17.3 foots  (173 / 10)

Step-by-step explanation:

8 0
3 years ago
Albert spends about 3% of his salary on books about math each year. If he spent $6,500 on math books last year, what is his sala
WITCHER [35]

Answer:

His salary is about $216,666.67 a year.

Step-by-step explanation:

First do 3 divided by 100=0.03

Then divide 6,500 by 0.03

You get his salary


7 0
3 years ago
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