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2 years ago

What’s the slope and y-intercept for 2y+5x-8=0

Mathematics

1 answer:

IrinaVladis [17]2 years ago

5 0

Answer:

Slope- -5/2 Y Int.- 4

Step-by-step explanation:

You would first need rto put the equation in slope intercept form by subtracting -5x and adding 8 to both sides the you will divide two from each #. Then your equation will be in slope intercpt form which allows you identyify 4 as the y intercpt and -5/2x as the slope.

2y+5x-8=0

-5x +8 -5x + 8 = 2y=-5x+8

2y/2=-5x/2+8/2

y=-5/2x+4

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Translate this phrase into an algebraic expression:

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If angle 1 is not congruent to angle 2, which conclusion must be true?

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2 years ago

Which system of equations is represented by the matrix below

malfutka [58]

Answer:

Option A.

Step-by-step explanation:

The given matrix is

$\left[\left.\begin{matrix}4 & 5\\ 7 & -4\end{matrix}\right|\begin{matrix}-16\\ 23\end{matrix}\right]$

We need to find the system of equations which is represented by the matrix.

In the given matrix first row represents the first equation and second row represents the second equation of the system of equations.

Let two variables are x and y.

First column represents the coefficients of x and second column represents the coefficients of y.

Numbers on the right side of the matrix represents the numbers which are right side of the equations.

Now, the required equations are

$4x+5y=-16$

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Therefore, the correct option is A.

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2 years ago

For every 5 minutes that Scarlett plays on the computer, she plays outside for 12 minutes. What is the ratio of minutes Scarlett

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Answer:

5:12

Step-by-step explanation:

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1 year ago

A fair coin has 2 sides (heads and tails) that are equally likely to show when the coin is flipped. A person claims that if you

MissTica

Answer:

This is a theoretical probability

Step-by-step explanation:

Explanation:-

Theoretical probability:-

Theoretical probability is the theory behind probability.To find the probability of an event using theoretical probability,it is not required to conduct an experiment.

The theoretical probability is defined as the ratio of the number of favorable outcomes to the number f possible outcomes.

probability of event(P(E)= $\frac{no.of favorable outcomes}{no.of possible outcomes}$

Empirical probability:-

The definition of probability breaks down when do not have a complete priori analysis , that is when the outcomes of the trial are not equally likely or when the total number of trials is infinite or when the enumeration of all equally likely events is not possible.so this is called statistical or empirical definition of probability or experimental probability.

Probability of event P(E) = $\frac{no.of times that event occurs}{total number of trials}$

The basic difference between these two approaches is that in the experimental approach,the probability of an event is based on what has actually happened by conducting a series of actual experiments and the theoretical approach we attempt predict what will occur without actually performing the experiments.

Given example is equally likely events so this is theoretical probability.

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3 years ago