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pshichka [43]
3 years ago
11

Answer correct for brainliest and a thanks ! Don't answer if you don't know it please :) and it's blurry some so just zoom in !

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0
The percent of variation is 85.1%.  If you enter the numbers into a calculator and store the regression equation, it will be the r^2 value when calculated.
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What is the coefficient of the y-term in the expression 4x+5xy–2y?
ExtremeBDS [4]
The coefficient is the number in front of the variable
7 0
3 years ago
For f(x)=-2x^3-4x^2+3x-8 , use the remainder theorem to determine f(-1).
konstantin123 [22]

Answer:

- 13

Step-by-step explanation:

Substitute x = - 1 into f(x) to obtain the remainder on dividing by (x + 1)

f(- 1) = - 2(- 1)³ - 4(- 1)² + 3(- 1) - 8

       = 2 - 4 - 3 - 8 = - 13

Thus the remainder on dividing f(x) by (x + 1) is - 13

6 0
3 years ago
Read 2 more answers
A tabletop is in the shape of a trapezoid. The lengths of the trapezoid's parallel sides are 48 inches and 40 inches. The height
goldenfox [79]
The equation is
area =  \frac{1}{2} (a + b)h
If you put in the numbers you get
area =  \frac{1}{2} (48 + 40) \times 24
This comes to 1056. So the answer is 1056 in^2

4 0
4 years ago
Read 2 more answers
Write an equation of the line that passes through point (-8, – 5) and has the slope m= - 1/4 <br>y=
zmey [24]

Answer:

y= -1/4x + 3

Step-by-step explanation:

y-y1 = m(x-x1)

(-8 {x1}, -5 {y1}, -1/4 [m] )

We'll then replace the letters with the available figures.

y-[-5] = -1/4 (x-[-8])

We are made to know that minus + minus= plus

Minus + plus= Minus

Minus x minus = plus

minus x plus = minus

Therefore, the mathematical setting of this question becomes,

y+5 = -1/4 (x+8)

Multiply everything in the bracket with the outside value

-1/4 x X = -1/4x

-1/4 x 8 = -2

The mathematical setting then becomes,

y+5 = -1/4x + -2 (<em>Note: plus + minus = minus</em>)

so, it becomes

y+5 = -1/4x - 2

The equation is supposed to look like this, y= mx + b

Therefore we add +5 to both sides to cancel out

 y+5 = -1/4x - 2

   +5            +5

+5 cancels out +5 which makes the setting,

y= -1/4x - 2 +5 (<em>-2+5 goes around to become 5-2= 3</em>)

The expression now looks like this

<u>y= -1/4x +3 which is the final answer!</u>

<u />y= -1/4x + 3

5 0
2 years ago
Albert multiplied a whole number by a fraction. The whole number is greater than one. The fraction is greater than zero and less
-BARSIC- [3]

What are the answer options?

8 0
3 years ago
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