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rodikova [14]
3 years ago
12

What is the solution to -2(8x-4) 2x+5?​

Mathematics
2 answers:
-Dominant- [34]3 years ago
4 0

Answer:

that would be -2200 sorry if im wrong

Step-by-step explanation:

Westkost [7]3 years ago
4 0
-32x2 +16x+5 is the answer
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certain computer virus can damage any file with probability 35%, independently of other files. Suppose this virus enters a folde
Ksivusya [100]

Answer:

0.623 is the probability that between 800 and 850 files get damaged.

Step-by-step explanation:

We are given the following information:

We treat virus can damage computer as a success.

P( virus can damage computer) = 35% = 0.35

The conditions for normal distribution are satisfied.

By normal approximation:

\mu = np = 2400(0.35) = 840\\\sigma = \sqrt{np(1-p)} = \sqrt{2400(0.35)(1-0.35)} = $$23.36

We have to evaluate probability that between 800 and 850 files get damaged.

P(800 \leq x \leq 850) = P(\displaystyle\frac{800 - 840}{23.36} \leq z \leq \displaystyle\frac{850-840}{23.36}) = P(-1.712 \leq z \leq 0)\\\\= P(z \leq 0.428) - P(z < -1.712)\\= 0.666 - 0.043 = 0.623 = 62.3\%

P(800 \leq x \leq 850) = 62.3\%

0.623 is the probability that between 800 and 850 files get damaged.

8 0
3 years ago
I need help pls help
Black_prince [1.1K]

Answer:

550g

Step-by-step explanation:

total g in 1 kg is 1000

so 1000 - 550 =450

3 0
1 year ago
A bag contains 5 red marbles, 4 blue marbles and 6 green marbles. If three marbles
Nina [5.8K]

Answer:

The probability of drawing three red marbles is 1/27, or about 3.71%

Step-by-step explanation:

Add all the marbles:

5 + 4 + 6 = 15

Find favourable outcomes:

5

The probability for drawing a red marble is:

5/15 or 1/3

Multiply this ×3 to find the probability of drawing three red marbles.

1/3 × 1/3 × 1/3 = 1/27

1 ÷ 27 = 0.0370370370 ... repeating

8 0
3 years ago
Can you answer 15a and 15b.
Shtirlitz [24]
6 seconds at 20 feet per second is 6x20= 120
She's was at 350 feet so she started at 350-120= 230 feet when she got on the elevator
3 0
3 years ago
$250, 3.4%, 3 years what would my interest be?
kap26 [50]
Ur interest should be 3.4 divided by 250 times 3
7 0
2 years ago
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