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BaLLatris [955]
3 years ago
13

Help please!!!!!! Thank you

Mathematics
2 answers:
ivolga24 [154]3 years ago
7 0

Answer:

1/4

Step-by-step explanation:

Well see how far each points are from each other.

Start at the red triangle and go up 1, go to the right 4.

<em>Thus,</em>

<em>the rise/run is 1/4.</em>

<em />

<em>Hope this helps :)</em>

Anna35 [415]3 years ago
3 0

Answer:

1/4

Step-by-step explanation:

To find the rise/run, you first need to pick two points from the line.  You can pick whichever points you want, and you will get the right answer.  I will pick (-8, -3) and (8, 1).

Divide the difference of the y's by the difference of the x's.

-3 - 1 = -4

-8 - 8 = -16

-4/-16 = 1/4

The rise/run is 1/4.

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There are 7 comedy DVDs there are 4 more drama DVDs than horror DVDs there are 15 DVDs on all
pashok25 [27]

There are 6 drama DVDs and 2 horror DVDs.

15 - 7 = 8

2 + 6 = 8

6 0
3 years ago
Suppose A is a matrix and k is a positive integer. What does the notation Ak mean?
Butoxors [25]

Answer:

Scalar product

Step-by-step explanation:

The scalar product of a matrix refers to the product of a matrix and a number. The scalar is used to multiply each element in the matrix to get the final vector. In the question the scalar is k which is a constant and the matrix is A.

in the example below 2 is the scalar

2*\left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]

the final matrix will be

\left[\begin{array}{ccc}2&4&6\\8&10&12\\14&16&18\end{array}\right]

7 0
3 years ago
What is the length and width of a room that is 60 square meters and has a perimeter of 32 meters
AleksAgata [21]
L = lenght
W = width

L * W = 60 \\&#10;2L + 2W=32\\\\&#10;L = \frac{32-2W}{2}\\&#10;\frac{32-2W}{2}*W = 60\\&#10;(16-W)*W = 60\\&#10;-W^{2} + 16W -60 = 0\\\\&#10;&#10;d = 16^{2} - 4*1*60 =  256 - 240 = 16 \\\\&#10;W1 = \frac{-16+\sqrt{16}}{-2} =  \frac{-12}{-2} = 6\\&#10;W2 = \frac{-16-\sqrt{16}}{-2} =  \frac{-20}{-2} = 10\\&#10;&#10;L1 = 10\\&#10;L2 = 6\\&#10;

so

{L,W} = {6,10} or {10,6}

but L > W  so

L = 10
W = 6
7 0
3 years ago
"-3x" + 5 &lt; "-10" Inequality 2: 7x + x - 4 &gt; 28 Which of the following values makes BOTH inequalities TRUE? Select all tha
zysi [14]

Answer:

12, 23, 48, 325

Step-by-step explanation:

So, when given two inequalities and asked to find the values that make both true, it is considered a system of equations. To solve a system of equation, you have to graph the inequalities and find where they intersect.

Inequality 1:

(-3x) + 5 < (-10)

Inequality 2:

7x + x - 4 > 28

simplifies to: 8x - 4 > 28

When graphed, the inequalities don't intersect, but rather have a similar shaded area overlapping from the point of 5 and greater.

Answers that apply from given list would be:

12, 23, 48, 325

6 0
3 years ago
find the ratio which are the points p(X,2) divides the line segment joining the point a(12,5) and b(4,-3) also find X plz give a
chubhunter [2.5K]

Answer:     ratio a:b = 3:5        p(X, 2) = p(9, 2)

<u>Step-by-step explanation:</u>

Plot points a = (12, 5) and b = (4, -3) and draw a line segment from a to b.

Notice that when y = 2, X = 9 so point p = (9, 2)      <em>see graph</em>

The distance from a to p = 3√2

The distance from b to p = 5√2

So the ratio of a:b = 3√2:5√2       = 3:5  <em>when simplified</em>

<em />

<em>To find the distance, use the distance formula OR pythagorean theorem.</em>

7 0
3 years ago
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