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Katena32 [7]
2 years ago
14

Is the point (1,2) on the graph of f(x)=3x-1 (Show full working) ​

Mathematics
1 answer:
Maslowich2 years ago
3 0

Answer:

f(x) = 3x - 1 \\2  = 3(1) - 1 \\ 2 = 2 \\  \therefore \: the \: point \:  \binom{1}{2}  \: is \: on \: the \\ graph \: of \: f(x) = 3x - 1

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The square of Mark's age 3 years ago is 6 times the age he will be in 9 years. What is his age now?
Lubov Fominskaja [6]

Answer:

Age= 15

Step-by-step explanation:

Let a be for age at the moment

(a-3)^2 =6(a+9)

a^2-6a+9=6a+54

a^2-12a-45

(a-15)(a+3)

a=15 or a=-3

Age cannot be negative (-)

Therefore

Age =15

3 0
3 years ago
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Find the value of the variable if P is between J & K. A) JP = 8z - 17 B) PK = 5z + 37 C) JK = 17z - 4
Daniel [21]
<span>We cannot deduce about the exact location of P between J and K. But we can conclude: segment JP + segment PK = line JK.
</span><span>JP + PK = JK.
</span><span>Substitute first each.
(8z - 17) + (5z + 37) = 17z - 4
Combine like terms.
13z + 20 = 17z - 4
Isolate the variable z.
4z = 24
z = 6
The value of the variable z is then 6 units.</span>
3 0
3 years ago
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solniwko [45]
And then Matt and Adam ending up falling in love
6 0
2 years ago
Say that australia has a working population of 11,565,470 people, and that the average salary is $26,450 annually. how much tax
Archy [21]

The tax revenue Australia would generate each year is $96,054,697,991.

<h3>What is the percentage?</h3>

The percentage is the value per hundred.

Working population of Australia =  11,565,470 people

Annual average salary = $26,450

Income tax rate = 31.4%

Tax revenue generated by each resident = 26450*(31.4/100)

Tax revenue generated by each resident =$8305.3

So, Tax revenue generated by 11,565,470 residents =  11,565,470*8305.3

Tax revenue generated by 11,565,470 residents = $96,054,697,991

Therefore, the tax revenue Australia would generate each year is $96,054,697,991.

To get more about taxes visit:

brainly.com/question/509359

3 0
2 years ago
If (x+3)÷ 3 = 9 what is x
Sveta_85 [38]

Answer:

x = 24

Step-by-step explanation:

9*3 = 27

27 - 3 = 24

x = 24

7 0
3 years ago
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