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3 years ago

Question 5

Mathematics

1 answer:

kramer3 years ago

8 0

Answer:

The possible numbers that Kelley might have scored are:

1, 2, 3, 4, 5, 6, 7 and 8

Step-by-step explanation:

Please kindly see the attached file for more explanation

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3(-4n - 9) = 21 plc solve

erma4kov [3.2K]

<h3>Answer:</h3>

$\huge{\boxed{n=-4}}$

<h3>Explanation:</h3>

$\begin{array}{cc}\begin{flushright}\text{Divide both sides of the equation by 3.}\end{flushright}&\begin{flushleft}-4n-9=7\end{flushleft}\\\begin{flushright}\text{Add 9 on both sides.}\end{flushright}&\begin{flushleft}-4n=16\end{flushleft}\\\begin{flushright}\text{Divide both sides by -4.}\end{flushrigh}&n=-4\end{array}$

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3 years ago

Read 2 more answers

Why is isolating the y-variable to graph is important

dusya [7]

Answer:

It is the easiest way to graph an equation.

Step-by-step explanation:

Isolating the y variable is also slope-intercept form.

Slope intercept form is the easiest form to use when graphing.

y = mx + b

m is the slope, b is the y-intercept.

it makes it way easier to graph an equation when it is in slope intercept form.

I hope that helps! =)

6 0

2 years ago

3 divide by 9.2 in a decimal

lys-0071 [83]

The answer is 0.3260869565. you can round that

5 0

2 years ago

Solve y+4x=12 3y=8-12x

attashe74 [19]

$\left \{ {{y+4x=12} \atop {3y=8-12x}} \right. \\\\ \left \{ {{y=12-4x} \atop {3y=8-12x}} \right. \\\\3(12-4x)=8-12x\\\\36-12x=8-12x\\\\-12x+12x=8-36\\\\0\neq28\\\\There\ are\ no\ solutions.$

6 0

3 years ago

Please find the m∠DEY

GrogVix [38]

Answer:

41, x=-5

Step-by-step explanation:

m<DEY = m<FEY, by angle bisector theorem

(9x-4) = 41

9x = 45

x = 5

m<DEY = 41

6 0

3 years ago