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AURORKA [14]
3 years ago
14

How does f(4) if f(x) = 2x work? how do i work this out?

Mathematics
1 answer:
sveta [45]3 years ago
6 0
So just plug in the 4 wherever you see an x. so it is f(4)=2(4)
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Which sign should be used in the circle below so that the value of the expression is 2? [4+8×3]÷(16○2)
sashaice [31]

Answer:

a subtraction sign belongs in the circle

Step-by-step explanation:

[4+8×3]÷(16-2) is:

[(4+24) ÷ 14] = 28/14 = 2

5 0
3 years ago
What is the median of the following 9 numbers 23,15,32,27,19,22
Travka [436]

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7 0
3 years ago
5-7y/2+4y equals -8/7​
Ksenya-84 [330]

Answer:

\boxed{y = 3}

Step-by-step explanation:

=  > \frac{5 - 7y}{2 + 4y}  =  -  \frac{8}{7}  \\  \\  =  > 7(5 - 7y) =  - 8(2 + 4y) \\  \\  =  > (7 \times 5) - (7 \times 7y) = ( - 8 \times 2) + ( - 8 \times 4y) \\  \\  =  > 35 - 49y =  - 16  - 32y \\  \\  =  > 35 - 49y + 32y =  - 16 \\  \\  =  > 35 - 17y =  - 16 \\  \\  =  - 17y =  - 16 - 35 \\  \\  =  >   \cancel{- }17y =  \cancel{- } 51 \\  \\  =  > 17y = 51 \\  \\  =  > y =  \frac{51}{17}  \\  \\  =  > y = 3

4 0
4 years ago
Using the distributive property write numerical expression that is equivalent to 25+10
Norma-Jean [14]

Answer:

5(5 + 2).

Step-by-step explanation:

5 is a factor of 25 and 10 so :

15 + 10 = 5(5 + 2).

5 0
3 years ago
Read 2 more answers
A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance fr
Thepotemich [5.8K]
I would choose the formula D (distance to the finish line)=3-2x/2 where x is the distance run so for example for x = 1 km then 2 times 1 = 2/2=1 so D=3-1=2km which is seen to be the logical answer so it seems to corroborate the equation. 
3 0
3 years ago
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