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Vlad [161]
2 years ago
8

What is the value of f (4) if it is defined by f (x) =2x+3

Mathematics
2 answers:
ryzh [129]2 years ago
5 0

Answer:

11

Step-by-step explanation:

F(x) = 2x+3 is just a function, so if you replace one of the "x" with 4 you have to replace the other one so it just becomes

F(4) = 2(4) + 3 then you do 2(4) = 8 then add 3 to it and it gets you 11.

hope this helps

AleksAgata [21]2 years ago
3 0

Answer:

11

Step-by-step explanation:

Substitute 4 for x

2(4) +3

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What is the slope of the line that passes through the points (-4, -9) and (5, 3)
egoroff_w [7]

Answer:

4/3

Step-by-step explanation:

Moving from (-4, -9) to (5, 3), x (the 'run') increases by 9 from -4 to 5, and y (the 'rise') increases by 12 from -9 to +3.  Thus, the slope of the line connecting the two points is

m = rise / run = 12/9 = 4/3

It may help to think of the change in x (9) as the horizontal leg of a right triangle and the change in y (12) as the vertical leg.  Then  

m = (vertical leg length) / (horizontal leg length) = 12/9 = 4/3

5 0
2 years ago
Please help please please please
kap26 [50]
I'm pretty sure it is 1 out of nine or 1 out of 8.
5 0
3 years ago
Twice a number is equal to 15 more than 5 times the number. Find the number.
sergeinik [125]

Answer:

answer35

Step-by-step explanation:

<h2><em>I hope it help</em></h2>
4 0
3 years ago
Me podrían ayudar a contestar estas preguntas, por favorspeak spanish
lisabon 2012 [21]

En un parallelogramo, los lados opuestos son paralelos. De la misma forma, los angulos opuestos son iguales y los angulos adjacentes suman 180 grados.

Con ello, podemos decir que:

a. Los lados RS y UT son paralelos.

b. Los lados RU y ST son paralelos.

c. El angulo en U es igual al angulo en S pues son opuestos

d. Los angulos en S y T son adjacentes . Esto quiere decir que, su suma es igual a 180 grados.

e. El angulo en R es igual al angulo en T pues son opuestos.

f. De forma similar al caso d, los angulos U y R son adjacentes, su suma es 180 grados.

7 0
8 months ago
What is the product of 2/3 and 3/4? <br>A.1/2<br>B.5/7<br>C.1/12<br>D.5/12 ​
jeyben [28]

Answer:

A

Step-by-step explanation:

2/3 x 3/4 = 2x3/3x4 = 6/12 = 1/2

3 0
2 years ago
Read 2 more answers
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