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4 years ago

How to solve the problems that 4x=36

2 answers:

7 0

basically you just divide 4 on both sides remember it’s always the number beside the x you divide by on both sides to get your x= the answer is 9

katrin2010 [14]4 years ago

4 0

Answer:

Step-by-step explanation:

here you go 36÷4=9 or 4x9=36

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Records were kept at an airport concerning whether the flights leaving the airport were full or had available seats on the plane

spin [16.1K]

16/80 had available seats. I find it simple to reduce the fraction before turning it into a percent. It becomes 1/5. Thus, 20% of the flights had available seats. Hope I help and Please give brainliest answer! I’m trying to up my ranks

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2 years ago

The Regression Equation Suppose in this semester, our Exam 1 average was about 85 with an SD of about 12. Suppose the correlatio

kirill [66]

Answer:

0.410

Step-by-step explanation:

We are predicting exam 2 scores from exam 1 scores so the dependent variable y is exam 2 scores and independent variable is exam 1 scores x.

The regression equation is

y=a+bx

Where y is exam 2 scores and x is exam 1 scores.

We are given that

correlation coefficient=r=0.6.

Mean and standard deviation of x are xbarx=85 and Sx=12.

Mean and standard deviation of y are xbary=82 and Sy=8.2.

The slope b for this scenario can be found as

$slope=b=r\frac{Sy}{Sx}$

$slope=b=0.6(\frac{8.2}{12} )$

$slope=b=0.6(0.6833)$

$slope=b=0.41$

Thus, the slope of the regression equation for predicting Exam 2 scores from Exam 1 scores is 0.410.

5 0

3 years ago

If you can complete this page you will get 10 points, the person whom explained it most will get brainliest

Mademuasel [1]

For the first Listing Exercise:
(NOT A)

1. 5x + 65 = 5(x + 13) because if you apply distributive property to the one from List B, it would equal the same as List A's answer.

2. 5(x + 1) = 5x + 5 because if you apply distributive property to the equation from List A, it would equal the same as the one from List B.

3. 1 + 5x = 5x + 1 because this is simple commutative property.. switching the placements.

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3 years ago

Find the perimeter of the trapezoid

Alika [10]

Answer:

The correct answer is 34

Step-by-step explanation

hope this helps! ;)

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3 years ago

A system of linear inequalities can have solutions in exactly three of the quadrants

Anarel [89]

It would be true that all three quadrants could be occupied

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3 years ago

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