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3 years ago

Which answer describes the graph of the system of equations?

Mathematics

1 answer:

Pavlova-9 [17]3 years ago

7 0

Answer:

D, the lines coincide.

Step-by-step explanation:

isolate the y so theres no 2y, only y:

2y = 8 - 2x (divide both sides by 2)

y = 4 - x

The lines are the same line, so while they are plural, they also coincide, as one lies on top of the other.

Hope this helps :) Brainliest??

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Use the figure below and determine the value of x<br> PLS HELP

koban [17]

(2x + 3) + (x+1) + (3x-10) = 180
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6x = 186
x= 31

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3 years ago

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One number is 9 more than another. if the sum of the two numbers is 171, find the two numbers

allochka39001 [22]

Let x be the 1st number
x + 9 be the second number

Equation:
x + x+9 = 171

Solution:
2x + 9 = 171
2x = 171 - 9
2x = 162
x = 81
x + 9 = 90

81 + 90 = 171

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3 years ago

if you’re using the inspection method, what constant term would you need in the numerator of this rational expression for to be

Fed [463]

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3 years ago

Miriam is picking out some movies to rent, and she is primarily interested in comedies and foreign films. She has narrowed down

Keith_Richards [23]

Answer:

There are 795 combinations.

Step-by-step explanation:

The number of ways or combinations in which we can select k element from a group of n elements is given by:

$nCk=\frac{n!}{k!(n-k)!}$

So, if Miriam want to choose 3 movies with at least two comedies, she have two options: Choose 2 comedies and 1 foreign film or choose 3 comedies.

Then, the number of combinations for every case are:

1. Choose 2 Comedies from the 10 and choose 1 foreign film from 15. This is calculated as:

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$10C2*15C1=675$

2. Choose 3 Comedies from the 10. This is calculated as:

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Therefore, there are 795 combinations and it is calculated as:

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8 0

3 years ago

(no links) PLS HELP AGAIN I LOVE U

Minchanka [31]

y = 3(x + 4)^2 + 31

Step-by-step explanation:

We can convert the given quadratic equation into its vertex form by completing the square:

y = 3x^2 + 24x + 43

= 3(x^2 + 8x) + 43

= 3(x^2 + 8x + 4) + 31

= 3(x + 4)^2 + 31

This is the vertex form of the given quadratic equation with (-4, 31) as its vertex

4 0

3 years ago

Which answer describes the graph of the system of equations?​

Which answer describes the graph of the system of equations?