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crimeas [40]
3 years ago
9

How do i make (9x-7y=-7) into slope intercept form?

Mathematics
1 answer:
ahrayia [7]3 years ago
6 0

It's called "solve the equation for 'y' ".  That means move things
around so that you end up with 'y' all alone on one side, and
everything else on the other side.

You started with                        9x - 7y = -7

Subtract  9x  from each side:        - 7y = -9x - 7

Divide each side by  -7 :                  y = 9/7 x + 1

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For safety reasons, 4 different alarm systems were installed in the vault containing the safety deposit boxes at a Beverly Hills
Evgen [1.6K]

Answer:

<em>99.93%</em>

Step-by-step explanation:

<u>Probability of Independent Events</u>

Given the probability of success of each detector is 0.84 independently of the others, their combined success/failure probability can be computed with the product rule.

We can calculate the required probability by using the binomial distribution, but it's easier to calculate the probability of the negated event an subtract from 1.

We want to know the probability that a least one of the 4 systems detects the occurrence of theft. That probability is the sum of the probabilities that one of them, two of them, three of them or all of them succeed. The negated event is that NONE of them actually detects the theft. Being p the individual probability of success, p=0.84. Being q the probability of failure, q=0.16.

The probability that none of the systems detect the theft is

P(0)=q^4=0.16^4=0.00065536

Thus, the probability that at least one of the systems detect the theft is

P(x\geq1)=1-P(0)=1-0.00065536=0.9993

That means a 99.93%

3 0
3 years ago
PLEASE HELP, I don’t know how to do this...like at all
Svet_ta [14]

Answer:

arc ? = 255°

Step-by-step explanation:

arc DB = 180° - 75° = 105°

arc ? = 360° - 105° = 255°

6 0
2 years ago
Four girls have 2.20 to share equally. How much money will each girl get?
Nata [24]

Answer:

0,55

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Which expression means 56? A) 5 × 5 × 5 × 5 × 5 × 5 B) 6 × 6 × 6 × 6 × 6 × 6 × 6 C) 6 × 5 D) 5 6
Alja [10]
If u mean 5^6, it is 5 x 5 x 5 x 5 x 5 x 5
6 0
3 years ago
Read 2 more answers
If x= 35. what is the value of Y?<br> 0 35
Grace [21]

Answer:

55

Step-by-step explanation:

In a triangle all the angles = 180 degrees

That means: x + y + 90 = 180

x + y = 180 - 90 = 90

35 + y = 90

y = 90 - 35

y = 55 degrees

6 0
3 years ago
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