$4x^2-8x-12=0\\{}\qquad\qquad^{\div4\qquad\div4}\\x^2-2x-3=0\\\\x^2+x-3x-3=0\\\\x(x+1)-3(x+1)=0\\\\(x+1)(x-3)=0\\\\x+1=0\quad\vee\quad x-3=0\\\\x=-1\quad\vee\quad x=3$

6 0

3 years ago

What is the value of a?

emmasim [6.3K]

Answer:

A=8

Step-by-step explanation:

If you use the formula 30-60-90 which is a-radical 3a-2a

since the hypotenuse is 2a it equals 16

therefore if its 2a all you need to do is divide it where then you get 8.

6 0

3 years ago

198.9 grams ~ _____ milliliters

bezimeni [28]

Answer:

7.015991031771544 or 7.0 ounces

mili-

Step-by-step explanation:

5 0

3 years ago

If a pint of cough syrup contains 473 ml of medication, how many full 13 ml doses are in the bottle?

eduard

Answer:

Step-by-step explanation:

473/13

= 36 .38

round to the lower whole number

8 0

3 years ago