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WITCHER [35]
3 years ago
11

Evaluate x + 3y when x = 4 and y = 5 *Please show how you got your answer*

Mathematics
1 answer:
Crank3 years ago
7 0

Answer:

19

Step-by-step explanation:

x + 3y

4 + 3 (5)

4 + 15

=19

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If f(x) = 4x + 8 and g(x) = (x+4,<br> what is (fºg)(12)?
svetlana [45]

Answer:

72

Step-by-step explanation:

f(x) = 4x+8\\g(x) = x + 4\\\\1. f(g(x)) = 4(x+4) + 8\\2. f(g(x)) = 4x + 16 + 8\\3. f(g(x))=4x + 24\\\\4. f(g(12)) = 4(12) + 24\\5. f(g(12)) = 48 + 24 = 72\\

To do these, you have to place the entire function inside the parent function's variables.

You are inputting the value of the function g(x) into f(x)

4 0
3 years ago
What 2m+3 over 2 =3m-1 over 3
Ira Lisetskai [31]
2m3 is. not over3 because. 2is lower than 3
3 0
3 years ago
Help on number 7 please?​
Tpy6a [65]

Answer:

The average rate of change is 3

Step-by-step explanation:

0 to 5 is 5 in difference then the change on the next one: 1 to 9 the difference is 8 so the change is 3 and it increases by three on the rest of them.

  • (\) QueTooOfficial (/)
  • <em>officially out of brainly retirement</em>
7 0
3 years ago
Read 2 more answers
Quadrilateral PQRS is similar to Quadrilateral LMNO.
ruslelena [56]

Answer:

2.5

Step-by-step explanation:

so LM is 3 right, right?

so PQ is 6

what they did to get that is they doubled 3 so 3x2=6

so if we divide 5 by 2 we get 2.5 because 2.5+2.5= 5

and that is how i got 2.5

╦___________________________________╦

│Hope this helped  _____________________│

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4 0
3 years ago
Tolong bantuin pakai cara ​
Mama L [17]

Answer:

1364

Step-by-step explanation:

1, 3, 4, 7, 11, 18, 29, 47, 76, 123, 199, 322, 521, 843, 1364

a1+a2 = a3, a2+a3=a4 etcetera..

1+3 =4

3+4 =7

4+7=11

.

.

a13+a14 = a15

521+843 = 1364

so, 1364 is the answer

7 0
3 years ago
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