You find the area of a triangle by using 1/2*b*h where b is the base and h is the height. since we already know the area is 20 and the height is for you plus them in so the problem would be 20= 1/2 (b) (4) then you multiply what you know together to get 20= 2b and then isolate the b by dividing both sides by two so the base should be 10 m
Answer:
12x - 6
Step-by-step explanation:
8x - 3 + 4x - 3
12x - 6
x = - 2
To find the density of the stone divide the mass by the volume:
Density of stone = 100 grams / 10 ml = 10g/ml
Since the density of the stone is more than the density of the water, it will sink.
<u><em>Answer: x=8 and 8=x. *The answer must be have positive sign.*</em></u>
Step-by-step explanation:
addition property of equality is adding the same number to both sides of an equation does not change the equation.
a+c=b+c
distributive property: a(b+c)=ab+ac
add the numbers.
7x-3x=4x
4x-8=24
add by 8 both sides of an equation.
4x-8+8=24+8
simplify by equation.
24+8=32
4x=32
divide by 4 both sides of an equation.
4x/4=32/4
simplify by equation.
32/4=8
32/8=4
8*4=32
4*8=32
It change negative to positive.
x=8 and 8=x
Hope this helps!
Thanks!
Have a great day!