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mrs_skeptik [129]
3 years ago
15

What are all the common multiples of 12 and 15?

Mathematics
1 answer:
timofeeve [1]3 years ago
6 0
1 and 3
Hope this helps and good luck :)
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What are the coordinates of the x-intercepts of the parabola y = x² - 8x + 15?
tamaranim1 [39]

Answer:

(3, 0) and (5, 0)

Step-by-step explanation:

we have

y=x^{2}-8x+15

we know that

The x-intercepts are the values of x when the value of y is equal to zero

so

For y=0

x^{2}-8x+15=0

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0

is equal to

x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}-8x+15=0  

so

a=1\\b=-8\\c=15

substitute in the formula

x=\frac{-(-8)\pm\sqrt{-8^{2}-4(1)(15)}} {2(1)}

x=\frac{8\pm\sqrt{4}} {2}

x=\frac{8\pm2} {2}

x=\frac{8+2} {2}=5

x=\frac{8-2} {2}=3

so

x=3, x=5

therefore

The x-intercepts are (3,0) and (5,0)

4 0
3 years ago
This is some bull help
slamgirl [31]

To find y you need to insert x into the equation. The equation is y=2x+2, so insert the x on the table to find the y.

y=2(-4)+2=-6

y=2(-2)+2=-2

y=2(0)+2=2

y=2(1)+2=4

y=2(3)+2=8

These follow the equation's rule so it is correct.

Two plot the values of x and y you need to put it in (x,y) then plot it. Then you can check it by using the equation, y=mx+b, the b is the y intercept, so check to see if it starts there, and then check and see if it followings the slope

(-4, -6), (-2, -2), (0, 2), (1, 4), (3, 8)

Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great rest of Black History Month! :-)  

- Cutiepatutie ☺❀❤

8 0
3 years ago
There are 8 states in the United States that begin with the letter “M.” If you chose a state at random, what is the probability
Goryan [66]

Answer: 8/50

Step-by-step explanation:

simplified is 4/25

4 0
3 years ago
0.3(5x - 1.5) = 7.5 x= ?
vfiekz [6]

Answer:

x=5.3

Step-by-step explanation:

.3(5x-1.5)=7.5

1.5x-.45=7.5

1.5x=7.95

x=5.3

6 0
3 years ago
Find the volume of a sphere with a diameter of 6.2 in.
Vsevolod [243]

Answer: its 23 meters

Step-by-step explanation:

4 0
3 years ago
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