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3 years ago

15

Write an algebraic expression for the word phrase 8 times the product of Drag the word to the description it matches. Each word

may be used more than once

2 answers:

yawa3891 [41]3 years ago

5 0

Answer:

(8 . x)

Step-by-step explanation:

8 times the product of drag

LenKa [72]3 years ago

4 0

Answer:

the answer would be C, 8gh

Step-by-step explanation:

Hope this helps :)

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Choose the equation below that represents the line passing through the point (-5, 1) with a slope of three halves.

evablogger [386]

Correct answer is D.

Use equation of line which passes through the point $A(x_1,y_1)$ .
$y-y_1=m(x-x_1)$

$A(-5,1) \Rightarrow x_1=-5,y_1=1
\\ m= \frac{3}{2} 
\\
\\y-y_1=m(x-x_1) \\y-1= \frac{3}{2} (x-(-5))
\\y-1=\frac{3}{2} (x+5)
$

4 0

4 years ago

Read 2 more answers

Tangent line of f(x) = sec x @ (pi/3, 2)

Dmitry_Shevchenko [17]

The derivitive of sec(x) is sec(x)tan(x)

find the slope at pi/3

sec(pi/3)=2
tan(pi/3)=√3

sec(x)tan(x) at x=pi/3 is 2√3

for slope=m and a point is (x1,y1)
the equation is
y-y1=m(x-x1)
slope=2√3
point=(pi/3,2)

equation is
y-2=2√3(x-pi/3)

3 0

4 years ago

Describe features that determine a translation, rotation, and reflection.

yulyashka [42]

Hii I hope this helps! :)
Translation: It’s a transformation that moves every point in a figure the same distance in the same direction.
Rotation: It’s a a transformation that turns a figure about a fixed point.
Reflection: It’s a transformation that takes a shape/preimage and flips it across a line called the line of reflection to create a new shape/image.

7 0

4 years ago

Read 2 more answers

Maria is play a game where you score -5 points each time you guess the correct answer.The goal is to get the lowest score.To win

oee [108]

Answer:

7

Step-by-step explanation:

Just notice that correct answers are whole numbers.

And, to win the game,Maria must have a score less than -80, it means she needs to score al least -85 ( it can not be -81, -82.. because 1 correct answer score -5, only multiples of -5 are accepted)

So, we take: $\frac{-85}{-5}$ = 7 correct answers to win the game.

Hope it will find you well.

5 0

3 years ago

Write the matrix equation as a system of linear equations without matrices. [Start 3 By 3 Matrix 1st Row 1st Column 1 2nd Column

ASHA 777 [7]

Answer:

$x-2y-4z=8\\5x-4y+7z=5\\-7x+5y+2z=-3$

Step-by-step explanation:

Given the matrix equation below:

$\left(\begin{array}{ccc}1&-2&-4\\5&-4&7\\-7&5&2\end{array}\right)\left(\begin{array}{ccc}x\\y\\z\end{array}\right) =\left(\begin{array}{ccc}8\\5\\-3\end{array}\right)$

We are required to write the matrix equation as a system of linear equations without matrices.

$\left(\begin{array}{ccc}1&-2&-4\\&&\\&&\end{array}\right)\left(\begin{array}{ccc}x\\y\\z\end{array}\right) =\left(\begin{array}{ccc}8\\&\\&\end{array}\right)$is equivalent to: x-2y-4z=8$

$\left(\begin{array}{ccc}\\5&-4&7\\&&\end{array}\right)\left(\begin{array}{ccc}x\\y\\z\end{array}\right) =\left(\begin{array}{ccc}&\\5\\&\end{array}\right)$ is equivalent to: 5x-4y+7z=5$

$\left(\begin{array}{ccc}&\\&\\-7&5&2\end{array}\right)\left(\begin{array}{ccc}x\\y\\z\end{array}\right) =\left(\begin{array}{ccc}&\\&\\-3\end{array}\right)$ is equivalent to: -7x+5y+2z=-3$

Therefore, we have the system of equations:

$x-2y-4z=8\\5x-4y+7z=5\\-7x+5y+2z=-3$

8 0

3 years ago