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3 years ago

PLS HELP ASAP STUMPED ON THIS ONE!!!!!!!?/? ÷ 5 = 12/50

Mathematics

1 answer:

Svet_ta [14]3 years ago

8 0

Answer:

6/5 or 1.2

Step-by-step explanation:

you can solve with an equation:

x : 5 = 12 : 50

x = 5 * 12 : 50

x = 6/5 (or 1.2)

or you can solve with an expression

12/50 * 5 = 6/5 (or 1.2)

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Please help!!!!!!!!!!

Delicious77 [7]

$f(x)=2x^2-4x+1$

Substitute the values of x to the equation of the function f:

$x=-1\to f(-1)=2(-1)^2-4(-1)+1=2(1)+4+1=7\\\\x=2\to f(2)=2(2^2)-4(2)+1=2(4)-8+1=1$

Therefore we have two points (-1, 7) and (2, 1).

We can calculate the slope of line l.

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

Substitute:

$m=\dfrac{1-7}{2-(-1)}=\dfrac{-6}{3}=-2$

<h3>Answer: A) -2.</h3>

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3 years ago

What statement apply to ratio of rice and water? Choose two

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Answer:

Step-by-step explanation: The amount of water is the dependent value

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2 years ago

1 and two-thirds minus 2 and one-third

svetoff [14.1K]

Answer:

The answer is -2/3.

Hope this helps and if you could mark as brainliest. Thanks!

4 0

3 years ago

Read 2 more answers

A coin is to be spun 25 times. Let x be the number of spins that result in heads (H). Consider the following rule for deciding w

larisa [96]

Answer:

0.0433

Step-by-step explanation:

Since we have a fixed number of trials (N = 25) and the probability of getting heads is always p = 0.05, we are going to treat this as a binomial distribution.

Using a binomial probability calculator, we find that the probability of obtaining heads from 8 to 17 times is 0.9567 given that the con is fair. The probability of obtaining any other value given that the coin is fair is going to be:

1 - 0.9567 = 0.0433

Since we are going to conclude that the coin is baised if either x<8 or x>17, the probability of judging the coin to be baised when it is actually fair is 4.33%

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3 years ago

An ordered pair tells us what about a system of equations ?

mash [69]

Answer:

Step-by-step explanation:

It may not tell you anything. You have to be careful how you think about the answer to this. An ordered pair is just that: it describes an x and y value and that is really all that it does.

However it may also be used to describe the solution to a system of equations which cross in one place. For example, if you plot

y = x + 1

y = -3x + 2

The ordered pair that gives the point where both equations equal the same thing is (0.25,1.25) The graph is shown below, and the ordered pair marks the solution.

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2 years ago