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klio [65]
3 years ago
9

Hey i need help wit ths=is Let f(x)=3x2+5.

Mathematics
1 answer:
DaniilM [7]3 years ago
7 0
Answer: G(x)=(3x2+5)+3
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Solve for x. 5x+3=23
MrMuchimi

Answer:

x=4

Step-by-step explanation:

5x+3=23. 5x=20. x=4

7 0
4 years ago
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Solve the following systems of equations algebraically. Write your answer in the form of (x, y).
Ne4ueva [31]

Let's solve your system by substitution.
y
=
3
x
+
5
;
y
=
x
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19

Step: Solve
y
=
3
x
+
5
for y:
y
=
3
x
+
5

Step: Substitute
3
x
+
5
for
y
in
y
=
x
+
19
:
y
=
x
+
19
3
x
+
5
=
x
+
19
3
x
+
5
+
−
x
=
x
+
19
+
−
x
(Add -x to both sides)
2
x
+
5
=
19
2
x
+
5
+
−
5
=
19
+
−
5
(Add -5 to both sides)
2
x
=
14
2
x
2
=
14
2
(Divide both sides by 2)
x
=
7

Step: Substitute
7
for
x
in
y
=
3
x
+
5
:
y
=
3
x
+
5
y
=
(
3
)
(
7
)
+
5
y
=
26
(Simplify both sides of the equation)

Answer:
x
=
7
and
y
=
26
8 0
3 years ago
Does someone know this one please :)
GarryVolchara [31]
6/11(5/6)+2/11(5)
=5/11+10/11
=15/11
3 0
3 years ago
At the local dairy farm, Kareem buys a 32-oz container of yogurt for $2.56. Jonah buys a 6-oz container of yogurt for $0.48. Are
vodka [1.7K]

Answer:

Yes, the cost y in dollars and the amount of yogurt x are proportional.

The equation is: y=0.08x


Step-by-step explanation:

1. If y varies directly as x, you can write it as following:

y=kx

Where k is the constant of proportionality.

2. Let's calculate the value of the constant of proportionality. If y=2.56 and x=32, you have:

y=kx\\k=\frac{y}{x}\\k=\frac{2.56}{32}\\k=0.08

3. Then, the equation is:

y=0.08x

4. Let's verify if they are directly proportional. Substitute x=6 which is the amount of yogurt bought by Jonah. The result must be $0,48:

y=0.08(6)\\y=0.48

5. They are directly proportional.

6 0
4 years ago
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Select two equations of lines that are perpendicular
marin [14]

Answer: I know C it’s one answer

Step-by-step explanation:

8 0
3 years ago
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