3x * -2y= -100 Solve for y and x.
1 answer:
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Answer:
Step-by-step explanation:
Compare the ratios of the triangles like so:
Bigger to smaller
This statement is true. Both fractions simplified are equal to 1.5. Since they have the same ratios, they should be similar.
Answer:
+ 3x +9x +27 = 0
x(x+3)+9(x+3)=0
(x+3)(x+9)=0
x=-3, x=-9
Step-by-step explanation:
a=1 b=12 c=27
sum=12
factor=27x 1
3x9
also 3+9=12
Answer:
y = 20
Step-by-step explanation:
Use the points to find the values of a and b
Using (0, 20 ) , then
20 = a [
= 1 ] , then
20 = a
y = 20
Using (3, 1280 ) , then
1280 = 20 b³ ( divide both sides by 20 )
64 = b³ ( take the cube root of both sides )
= b , that is
4 = b
Then exponential function is
y = 20.