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aleksandr82 [10.1K]
2 years ago
12

Find the value of x in the equation: -2x-6=12−2x−6=12

Mathematics
2 answers:
denis-greek [22]2 years ago
8 0
Hey I think the answer is -9
Semmy [17]2 years ago
3 0

Answer:

- 2 x - 6 = 12  x = -9

Step-by-step explanation:

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What is an equation of the line that is perpendicular to y-4=2(x-6) and passes through (-3,-5)
Nat2105 [25]

Answer:

y = -1/2 x - 13/2

Step-by-step explanation:

what is an equation of the line that is perpendicular to y-4=2(x-6) and passes through (-3,-5)

First, we need the slope of the given line.

y - 4 = 2(x - 6)

y - 4 = 2x - 12

y = 2x - 8

The slope of the given line is 2.

The slopes of perpendicular lines are negative reciprocals, so the slope of the perpendicular is -1/2.

y = -1/2 x + b

We use the given point as x and y and solve for b.

-5 = -1/2(-3) + b

-10 = 3 + 2b

2b = -13

b = -13/2

The equation of the perpendicular line is:

y = -1/2 x - 13/2

4 0
3 years ago
A home pregnancy test is not always accurate. suppose the probability that the test indicates that a woman is pregnant when she
Gnom [1K]
Set Events:
T=tests positive~T=tests negativeP=subject is pregnant~P=subject is not pregnant
We are givenP(T n ~P)=0.02P(~T n P)=0.03P(P)=0.7
recall by definition of conditional probabilityP(A|B)=P(A n B)/P(B)

Need to find P(P|~T)
First step: make a contingency diagram of probabilities (intersection, n)
          P       ~P       sum 
T       0.67   0.02     0.69=P(T) 
~T     0.03   0.28     0.31=P(~T) 
sum   0.70  0.30     1.00
      =P(P)  =P(~P)

therefore
P(P|~T)=P(P n ~T)/P(~T)=0.03/0.31   [ both read off the contingency table ]
=0.0968

4 0
3 years ago
A class of 340 students went on a field trip.
ipn [44]

Answer: 2 cars and 6 buses.

Step-by-step explanation:

x + y = 8

5x + 55y =

5 times 2 = 10

plus

55 times 6 = 330

Add 330 plus 10 = 340!

5 0
3 years ago
Indicated operation
lutik1710 [3]
20✔️3 + 4✔️27
20✔️3 + 4✔️9 • 3
20✔️3 + 4 • 3 ✔️3
20✔️3 + 12✔️3
32✔️3.

The solution is 32✔️3.
4 0
3 years ago
What’s the equation to solve M+3n=7
11Alexandr11 [23.1K]
Well i want to tell you the answer!! It is 76CJ
5 0
3 years ago
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