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natima [27]
3 years ago
10

If P(A)=0.3, then the probability of the complement of A is ?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0
C is the answer for this question
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What two numbers add to 12 and multiply to 35
inessss [21]
5 and 7
5 + 7 = 12
5 x 7 = 35
5 0
3 years ago
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What is the slope of the graph of y=-3X?<br><br> 3<br> 1<br> 3<br> 1<br> -3
Reil [10]

Answer:

-3

Step-by-step explanation:

y = -3x

This is in slope intercept form

y = mx+b where m is the slope and b is the y intercept

The slope is -3 and the y intercept is 0

5 0
2 years ago
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Rajan needs 1 liter of 15% hydrochloric acid solution for an experiment. He checks his storage cabinet, but he only has a 5-lite
Delvig [45]

Answer:

  1. <em>0.75</em><em> liters of 5% hydrochloric acid solution </em>
  2. <em>0.25</em><em> liters of 45% hydrochloric acid solution.</em>

Step-by-step explanation:

Let us assume that, x liters of the 5% hydrochloric acid and y liters of the 45% hydrochloric acid solutions are combined.

As Rajan need total of 1 liter of solution, so

x+y=1

i.e x=1-y --------------------1

As Rajan needs 5% hydrochloric acid and 45% hydrochloric acid to make a 1 liter batch of 15% hydrochloric acid, hence acid content of the mixture of two acids will be same as of the final one, so

0.05x+0.45y=1\times 0.15

i.e 5x+45y=15 -------------2

Putting value of x from equation 1 in equation 2,

\Rightarrow 5(1-y)+45y=15

\Rightarrow 5-5y+45y=15

\Rightarrow 5+40y=15

\Rightarrow 40y=15-5=10

\Rightarrow y=0.25

Putting the value of y in equation 1,

x=1-0.25=0.75

Therefore, Rajan must use 0.75 liters of 5% hydrochloric acid solution and 0.25 liters  of 45% hydrochloric acid solution.

4 0
3 years ago
The population of a town is 58,000 and is growing by 23% per year. If the trend continues, what will the population be in 8 year
mina [271]

The population in 8 yrs would be 164,720

6 0
3 years ago
PLEASE ANSWER THIS AND IF YOU DO YOU GET <br> 1. FOLLOW<br> 2. BRAINLIEST
Dima020 [189]

Answer:

i will give you the answer

Step-by-step explanation:

but what do you need

do you need intersect,slope,y=mx+b form?

5 0
2 years ago
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