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amid [387]
3 years ago
15

Solve 7x-9=28+4(x-1)

Mathematics
1 answer:
ANEK [815]3 years ago
8 0
I got 10.333333333333
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PLEASE, I HAVE POSTED THIS QUESTION OVER 5 DIFFERENT TIMES AND STILL HAVEN'T GOTTEN AN ANSER PLEASE HELP IF YOU CAN!!!!!!!!!!!!!
Lemur [1.5K]

Answer:

10 sqrt(3)/3 =x

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opp side /adj side

tan 30 = x/10

10 tan 30 =x

10 ( sqrt(3)/3) = x

10 sqrt(3)/3 =x

6 0
3 years ago
10 POINTS HELP PLEASE!!!
Liono4ka [1.6K]
Help you with what ?

4 0
3 years ago
What is an equation of the line that passes through the points (-5, -6) and (5, 6)?
anyanavicka [17]

Answer:

It would be -5 + -6 = 65

Step-by-step explanation:

Add it up to together by removing the -

8 0
2 years ago
Find the value of d that makes the equation true:
hichkok12 [17]
To answer this, you need to get "d" on one side by itself. To do this, add 8 to both sides of the equation.

d- 8 + 8 = 5 + 8
-8 and +8 cancel out leaving:
d = 13

Your answer is d = 13
7 0
3 years ago
Which statements are true about the graph of the function f(x) = 6x – 4 + x2?
kaheart [24]
Write the function as
f(x) = x² + 6x - 4

Note that
x² + 6x = (x + 3)² - 9

Therefore
f(x) = (x  3)² - 9 - 4
      = (x + 3)² - 13

The vertex is at (-3, -13)., and the curve opens upward.
The axis of symmetry is x = -3.

Answer:
The vertex of the function is (-3, 13).
The graph increases over the interval (-3, -∞)


3 0
3 years ago
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