3 years ago

NEED HELP ASAP! WILL GIVE BRAINLIEST

Mathematics

1 answer:

Tom [10]3 years ago

4 0

Answer:

Part A

x = liters (the milk and water)

0.2 x + 1 = x

Part B

0.2 x + 1 = x

0.8 x = 1

x = 1 : 0.8 = 1.25 liters

Milk

1.25 x 0.2 = 0.25

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Suppose the graph of a cubic polynomial function has the same zeroes and passes through the coordinate (0, –5). Describe the ste

olga_2 [115]

1. "the graph has the same zeros" : so let a be the "triple" root of the cubic polynomial function.

2. So f(x)= $(x-a)^{3}$

3. Don't forget that the expression might have a coefficient b as well, and still maintain the conditions:

$f(x)=b(x-a)^{3}$

4. Now, f(0)=-5 so $-5=f(0)=b(0-a)^{3}=b(-a) ^{3}=-ba ^{3}$

$-5=-ba ^{3}$

$5=ba ^{3}$

$b= \frac{5}{ a^{3} }$

5. the function is $f(x)=\frac{5}{ a^{3} }(x-a)^{3}$ where a can be any real number except 0