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Mashutka [201]
2 years ago
8

Which law of logic is used to make a conclusion?

Mathematics
1 answer:
avanturin [10]2 years ago
7 0

Answer:

B

Step-by-step explanation:

Law of Quadrilaterals.

I think this is correct, how it helps.

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The average score on a standardized test is 750 points with a standard deviation of 50 points. What is the probability that a st
nalin [4]
The probability that student scored more than 850 we shall proceed as follows:
z=(x-μ)/σ
where:
x=850
μ=750
σ=50
thus
z=(850-750)/50
z=2
thus
P(x>850)=1-P(x<850)=1-P(z<2)=1-0.9772=0.0228

Answer: P(x>850)=0.0228
4 0
3 years ago
Read 2 more answers
A farmer sees 56 of his cows out of the barn. He knows that he has 83 cows altogether. Let c represent the number of cows still
irinina [24]

No, the number of cows in the barn is 27. You can get this number by subtracting the 83 cows he has from the 56 that are out of the barn.

83 - 56 = 27

5 0
2 years ago
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[8 + (24 x 3)] divided by 7 <br><br> Use PEMDAS &amp;’ show work .
posledela

Answer:

11.43

Step-by-step explanation:

[8 + (24 x 3)] divided by 7

[8 + (72)] divided by 7

80/7

11.42857142857143

11.43 (I rounded it)

6 0
3 years ago
Read 2 more answers
Evaluate F(1)
KonstantinChe [14]

ANSWER

B. 1

EXPLANATION

The given function is

f(x) =\left \{ {{x^{2} +3 (if) -5 \leq x< 1} \atop {x (if) 1 \leq x \leq 5 }} \right.

This is a piece-wise defined function.

We want to find f(1)

We substitute x=1 into f(x)=x because, 1 belongs to the interval,

1≤x≤5

f(1)=1

The correct answer is B.

8 0
3 years ago
I need all the spaces filled in please :)
Artist 52 [7]

Answer:

3x + y = -16      

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given a system of equations are

        5x+6y =-5  

       - 2x  - 5y = -11

multiply '1' and Adding two system of equtions

                 + 1      (5x   +  6y   =  -5)

                + 1      (<u> -2x    -   5y  =   -11)</u>

                   <u>       3x    +    y   = -16           </u>

<u>Final answer:-</u>

                          5x   +  6y   =  -5

                        <u> -2x    -   5y  =   -11</u>

                   <u>       3x    +    y   = -16           </u>

<u />

7 0
3 years ago
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