$\dfrac{12z^2}{2y^2}\\\\\\y = -2\quad z=-1\\\dfrac{12(-1)^2}{2(-2)^2}=\dfrac{12(1)}{2(4)}=\dfrac{12}{8}\\\\\\\dfrac{12}{8}\div \dfrac{4}{4}=\boxed{\dfrac{3}{2}}$

7 0

3 years ago

Erik is performing a marble experiment in math class. His teacher places an equal number of black, red, and white marbles in a b

olganol [36]

Answer:

1/3

Step-by-step explanation:

5 0

3 years ago

How do you write a slope intercept form. <br>through: (-2, -3) slope = -3

DiKsa [7]

Answer:

y = -3x - 9

Step-by-step explanation:

Point-slope equation for line of slope -3 that passes through (-2,-3):

y+3 = -3(x+2)

Rearrange equation to slope-intercept form

y+3 = -3x - 6

y = -3x - 9

6 0

3 years ago

An oil painting is 16 years older than a watercolor by the same artist. the oil painting is also three times older the the water

Firlakuza [10]

O=oil painting's age
w=water color's age

o=16+w
o=3w
subsitute
3w=16+w
minus w both sides
2w=16
divide by 2
w=8

the watercolor is 8 years old

8 0

3 years ago

Read 2 more answers