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3 years ago

Find all solutions of- 2r +4-8=0

Mathematics

1 answer:

mr_godi [17]3 years ago

4 0

Answer: -2

Step-by-step explanation: 4-8= -4 then it ends up being -2r-4=0

Then you add 4 to 0 so -2r=4 then divide

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A student tosses a coin and then draws a card from a stack of 4 cards labeled 1 through 4

lapo4ka [179]

If the coin is tossed and a card is chosen from 1 to 4, then the total sample will be 8. Then the correct option is D.

<h3>What is a sample?</h3>

A sample is a collection of well-defined elements. A sample is represented by a capital letter symbol and the number of elements in the finite set is shown as a curly bracket {..}.

A student tosses a coin and then draws a card from a stack of 4 cards labeled 1 through 4.

Then the total number of the sample will be

Total sample = 2 × 4

Total sample = 8

Then the sample is given below.

$\rm Sample = \begin{Bmatrix}(H,1) & (H,2) & (H,3) & (H,4) \\\\(T,1) & (T,2) & (T,3) & (T,4) \\\end{Bmatrix}$

More about the sample link is given below.

brainly.com/question/350477

#SPJ1

7 0

3 years ago

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The Human heart pumps 750 gallons of blood in 9 hours A human kidney filters 100 gallons of blood in 6 hours how many more gallo

slega [8]

750 / 9 = 83.333333

83.33333 * 24 = 2000

100 / 6 = 16.66666667

16.6666667 * 24 = 400

2000 - 400 = 1600 gallons more than the kidney

3 0

3 years ago

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Determine the location and absolute maximum and absolute minimum for the given function f(x)=(_x+2)^4 where 0

ELEN [110]

Answer:

the minimum is 0 and the maximum is 16.

Step-by-step explanation:

For a function f(x), the maximum is defined as:

f(xₐ)

such that:

f(xₐ) ≥ f(x) for every value of x in the domain.

And the minimum is:

f(xₙ)

Such that:

f(xₙ) ≤ f(x)

for every value of x.

Now, in this case we have the function:

f(x) = (-x + 2)^4 in the range 0 < x < 3

First, let's analyze our function.

We can see that the exponent is even, then:

f(x) = (-x + 2)^4

Can be equal to zero or larger than zero.

Then the minimum will be f(x) = 0

To find this, we need to find the value of x such that:

-x +2 = 0

2 = x

Then the minimum is:

f(2) = (-2 + 2)^4 = 0

For the maximum, we can just play with the other values in the range and see which one gives the larger value of f(x).

Again, because f(x) = (-x + 2)^4 , the maximum will be at the value of x such that:

|-x + 2| is maximized.

As we have a negative sign multiplying x, the smaller value in the range:

x = 0

is the one that maximizes that:

|-0 + 2| = |2| = 2

Evaluating f(x) in x = 0 we get:

f(0) = (0 + 2)^4 = 16

Then the minimum is 0 and the maximum is 16.

6 0

3 years ago

Solve 2x2 − 8x = −7.

juin [17]

11/8 , or 1.3 if your solving for x...

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3 years ago

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What is the measure of angle 7?

sattari [20]

Answer: 115

Step-by-step explanation:

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Find all solutions of- 2r +4-8=0​

Find all solutions of- 2r +4-8=0