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Solnce55 [7]
3 years ago
10

The weather forecaster says that there is a 1 in 3 chances that will rain tomorrow. How is the probability best expressed as a p

ercentage?
A) 13%
B) 30%
C) 33%
D) 66%
Mathematics
1 answer:
klio [65]3 years ago
7 0

Answer:

Step-by-step explanation:

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BlackZzzverrR [31]

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0.62

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In the system of equations, r and s are constants. If the system has infinitely many solutions, what is the value of rs?
exis [7]

Answer:  B) -48

Step-by-step explanation:

If the system of two linear equations a_1x+b_1y=c_1\ \&\ a_2+b_2y=c_2 has infinitely many solutions , then

\dfrac{a_1}{a_2}=\dfrac{b_1}{b_2}=\dfrac{c_1}{c_2}=k

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We , will have

\dfrac{r}{4}=\dfrac{-s}{3}=\dfrac{26}{13}=2\\\\\Rightarrow\ r= 4\times2=8\ \ \&\ \ s=2\times-3=-6

The value of rs=(8)\times-6=-48

Hence, the value of rs is -48.

Thus , the correct option is B) -48.

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3 years ago
What is the value of n so that the expression x^2 + 11x + n is a perfect trinomial?
lora16 [44]
The answer is c) 30.25
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3 years ago
Help me please !!!!!!!
Ipatiy [6.2K]

Answer:

1 = 40

2 = 140

3 = 40

4 = 140

5 = 40

6 = 140

7 = 40

Step-by-step explanation:

A straight line is 180 so I did 40 because 140 + 40 = 180. once I figured 3 out I basically had the rest.

7 0
3 years ago
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