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Lorico [155]
3 years ago
9

ESTION 4

Mathematics
1 answer:
sammy [17]3 years ago
5 0
I don’t know the answer
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For every 1 litre of water used to make a
Komok [63]

Step-by-step explanation:

hope you can understand

7 0
2 years ago
Rewrite the following so that y is a function of x 2x + 18y = 36
Reil [10]
Ok so
basically solve for y

2x+18y=36
subtract 2x from both sides
18y=-2x+36
divide both sides b 18
y=-1/9x+2

8 0
4 years ago
Does anyone know how to do this? I’m lost
Nataly [62]

Answer: B

Step-by-step explanation:

To find the inverse function, you switch x with y and y with x. Then, you solve for y.

y=(x-1)^{2} -4                                  [switch x with y, and y with x]                        

x=(y-1)^2-4                                  [add both sides by 4]

x+4=(y-1)^2                                  [square root both sides]

\sqrt{x+4} =y-1                                    [add both sides by 1]

\sqrt{x+4} +1=y

f^-^1(x)=1+\sqrt{x+4}

Now that we know the inverse function, we can actually tell that the answer is B. We know this because of the restriction that f(x) is x≤1. This makes it positive, and B the answer.

7 0
3 years ago
Factor COMPLETELY the expression 2x^3 - 250
AURORKA [14]

Answer:

2 (x - 5) (x^2 + 5 x + 25)

Step-by-step explanation:

Factor the following:

2 x^3 - 250

Factor 2 out of 2 x^3 - 250:

2 (x^3 - 125)

x^3 - 125 = x^3 - 5^3:

2 (x^3 - 5^3)

Factor the difference of two cubes. x^3 - 5^3 = (x - 5) (x^2 + x 5 + 5^2):

2 (x - 5) (x^2 + 5 x + 5^2)

5^2 = 25:

Answer: 2 (x - 5) (x^2 + 5 x + 25)

5 0
4 years ago
1.5b=3<br> solve for b, it is multiplication
ira [324]

Answer:

Simple b is 2

Step-by-step explanation:

1.5(2)= 3

6 0
3 years ago
Read 2 more answers
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