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aalyn [17]
3 years ago
7

F(x)=2x+6 what is the value of f(7)

Mathematics
1 answer:
Deffense [45]3 years ago
8 0
F(7)= (2x7) + 6
f(7)= 14+ 6
f(7)= 20
hope this helps x
if it does i would love brainliest! :)
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In a given figure which lines are parallel? justify your answer<br><br> Helpp
Sladkaya [172]

Answer:

MB // HG by the converse of the Corresponding Angles Theorem ⇒ C

Step-by-step explanation:

Two lines are parallel if intersected by a line and formed one of these types of angles.

  • Corresponding angles equal in measures (shaped letter F)
  • Alternate angles equal in measures (shaped letter Z)
  • Interior supplementary angles, the sum of their measures is 180° (shaped letter U)

In the given figure, there are 4 lines intersected

∵ Lines MB and HG intersected by line BG

∵ There are two angles marked by the same mark

∴ They are equal in measures

∵ They are in the corresponding position

∴ Lines MB and HG are parallel

∴ MB // HG by the converse of the Corresponding Angles Theorem

3 0
3 years ago
What are the solutions to the following system of equations? x + y = 3 y = x2 − 9 (3, 0) and (1, 2) (−3, 0) and (1, 2) (3, 0) an
OLga [1]

The solutions for the given system of equations are:

(3, 0), (-4, 7).

<h3>How to solve the given system of equations:</h3>

Here we have the system:

x + y = 3

y = x² - 9

To solve this, we can replace the second equation into the first one, so we get:

x + (x² - 9) = 3

Now we can solve this quadratic equation for x, we need to solve:

x² + x - 12 = 0.

The solutions are given by Bhaskara's formula:

x = \frac{-1 \pm \sqrt{1^2 - 4*1*(-12)} }{2*1} \\\\x = \frac{-1 \pm 7 }{2}

Then the two solutions are:

x = (-1 + 7)/2 = 3

x = (-1 - 7)/2 = -4

To get the y-values correspondent, we can evaluate the linear equation in these two values:

y = 3 - x.

For x = 3:

y = 3 - 3 = 0

For x = -4:

y = 3 + 4 = 7

Then the two solutions are: (3, 0), (-4, 7).

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

3 0
2 years ago
DAC = BAD.
Marysya12 [62]
3.8 Is the correct answer
3 0
3 years ago
May someone help me please!
MAVERICK [17]

Answer: i got you my boi answer is x > -3

Step-by-step explanation:

4 0
2 years ago
A bag contains 4 blue and 6 green marbles. Two marbles are selected at random from the bag. If the first marble is not replaced
Tpy6a [65]
It would be a 3:2 chance the first one picked was green and 5:4 chance the second is also green. Hope this helps.
3 0
3 years ago
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