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DIA [1.3K]
3 years ago
14

What is the solution to this system of linear equations?

Mathematics
2 answers:
kvasek [131]3 years ago
7 0

Answer:

The correct answer is D. (-1,3)

QveST [7]3 years ago
7 0

Answer:

The answer would be D (-1, 3)

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Marvin spent 2.8 hours which is 35% of his time at the recreational center playing ping pong. How long was Marvin at the recreat
timofeeve [1]

Answer:

<u>3</u><u>5</u>×2.8

100

<u>9</u><u>8</u>

100= 0.98

6 0
3 years ago
Which shows the factored form of x2 – 12x – 45? (x 3)(x – 15) (x – 3)(x – 15) (x 3)(x 15) (x – 3)(x 15).
Aleksandr [31]

The factors of the quadratic equation are (x+3) and (x-15).

<h2 /><h2>Given to us</h2>
  • x^2-12x-45\\

<h3>To find</h3>

The factors of x^2-12x-45\\.

<h3 /><h3>Solution</h3>

x^2-12x-45\\

As we can see in the quadratic equation the value of ac is -45x². therefore, we need to divide -12x into two parts such that their sum must give -12x and their product gives us -45x².

therefore, dividing -12x into -15x and 3x,

x^2-15x+3x-45\\

Taking common out,

x^2-15x+3x-45\\x(x-15)+3(x-15)\\(x+3)(x-15)

Hence, the factors of the quadratic equation are (x+3) and (x-15).

Learn more about quadratic equations:

brainly.com/question/2263981

3 0
2 years ago
What is probability that the total number of dots appearing on top is 5?
stira [4]
Only 1,4 2,3 3,2 4,1
there are 6x6 =36 combination

so 4/36 =1/9
the answer is 1/9
7 0
3 years ago
Tryna figure this out
kaheart [24]

Answer:

9pi approximately 28

Step-by-step explanation:

we have the formula - pi r^2

which we know the diameter is 6 m and the surface is a semi circle

the radius is 3 so then we have pi 3^2

which becomes 9pi which is about 28.2

rounding to 28

hope this helps!!

7 0
3 years ago
If one face of a cube has a surface area of 5.25 square meters, what is the surface area of the entire cube
natali 33 [55]

Answer:

11.25

Step-by-step explanation:

if a cube has 6 equal sides, you want to multiply 5.25 by 6 to get the surface area for the entire cube.

6 0
3 years ago
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