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Leona [35]
3 years ago
15

Determine the input that would give an output value of 2/3.​

Mathematics
1 answer:
Reil [10]3 years ago
4 0

Answer:1/6 is the answer

Step-by-step explanation: I have done this befor.

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Which expression is equivalent to 20+8y-9y-21
kompoz [17]
Combine the like terms, which would give you -y-1
7 0
3 years ago
Solve the following system of equations by substitution and select the correct answer below: 4x − 6y = 28 8x − 4y = 24 (5 points
balu736 [363]
8x-4y=24, 2x-y=6, y=2x-6
so, 4x-6(2x-6)=28
x=1
y=-4

Hope that answer can help you!
8 0
3 years ago
PLEASE HELP ME WITH THIS MATH QUESTION
liraira [26]

Answer:

44°

Step-by-step explanation:

The arc of DC in degrees is the same as the angle of DOC. So it is 44°

7 0
4 years ago
Phone Company 1 charges a flat rate of $25.00 a month for local calling,
Darina [25.2K]

Answer:

B = 100

Step-by-step explanation:

25 + .05x = 20 + .10x

5 = .05x

100 = x

3 0
3 years ago
Find the average rate of change of f ( x ) = 3 x 2 − 9 on the interval [ 2 , b ] . Your answer will be an expression involving b
iVinArrow [24]

Answer:

m = 3b+6

Step-by-step explanation:

Given

f(x)=3x^2 - 9

Required

The average rate over [2,b]

Average rate (m) is calculated using:

m = \frac{f(b) - f(a)}{b - a}

Where

[a,b] = [2,b]

So, we have:

m = \frac{f(b) - f(2)}{b - 2}

Calculate f(b) and f(2)

f(x)=3x^2 - 9

f(b)=3b^2 - 9

f(2)=3*2^2 - 9 = 12 - 9 = 3

So, we have:

m = \frac{f(b) - f(2)}{b - 2}

m = \frac{3b^2 - 9 - 3}{b - 2}

m = \frac{3b^2 - 12}{b - 2}

Expand the numerator

m = \frac{3b^2 + 6b-6b-12}{b - 2}

Factorize

m = \frac{b(3b + 6)-2(3b+6)}{b - 2}

Factor out 3b + 6

m = \frac{(b -2)(3b+6)}{b - 2}

Cancel out b - 2

m = 3b+6

4 0
3 years ago
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