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strojnjashka [21]
1 year ago
9

What is the slope of (9,5) and (21-,5)

Mathematics
2 answers:
WINSTONCH [101]1 year ago
7 0
The slope is -1/3.
you need to start off by finding the formula find the slope, which is y2-y1/x2-x1 once you know the formula you follow it at the end of the formula you get -4/12. you also need to simplify your answer, and your final answer is 1/3
kondor19780726 [428]1 year ago
4 0

Answer:

\frac{y2-y1}{x2-x1} \\\frac{-5-5}{21-9}\\ \frac{-10}{12} \\-\frac{5}{6}

Step-by-step explanation:

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A truck can be rented from Company A for ​$130 a day plus ​$0.40 per mile. Company B charges ​$70 a day plus ​$0.60 per mile to
almond37 [142]

Answer:

You have to use the equation 130+.40x and 70+.60x just replace x with any number, but the answer  to each equation must be the same.

Step-by-step explanation:

6 0
3 years ago
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Two number cubes are rolled.
hichkok12 [17]

Answer:

When two number cubes  are rolled,

Sample space= Total Possible outcome {11,22,33,44,55,66,12,21,13,31,14,41,15,51,16,61,23,32,24,42,25,52,26,62,34,43,35,53,36,63,45,54,46,64,56,65}=36

Probability of an event = \frac{\text{Total favorable outcome}}{\text{Total possible outcome}}

Sum of 4 is obtained when ={13,31,22}=3

Probability of getting 4 when 2 number cubes are rolled= \frac{3}{36}=\frac{1}{12}

Sum of the numbers is greater than 9= 10, 11,12={55,64,46,56,65,66}=6

Probability of getting(Sum of the numbers is greater than 9)=\frac{6}{36}=\frac{1}{6}

6 0
3 years ago
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the length of a varies string varies inversely as the frequency of its vibrations. A violin string 10 inches long vibrates at a
kolbaska11 [484]

Answer: <u><em>512</em></u>

Step-by-step explanation: <u><em>the length of a varies string varies inversely as the frequency of its vibrations. A violin string 10 inches long vibrates at a frequency of 512 cycles per second. Find the frequency of an 8-inch string.​</em></u>

<u><em /></u>

4 0
3 years ago
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Help me please, its really easy.
notka56 [123]

Hey there. To find the answer solve 8^3=512.

Count the rows and columns of each to get C as your answer.

3 0
3 years ago
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What is the most precise classification of the quadrilateral formed by connecting in order the midpoints of the figure below? Sh
AlekseyPX

Answer:

Rhombus

Step-by-step explanation:

The given trapezoid has vertices at M(-4,0), J(-2,4), K(2,4), and L(4,0).

Use the midpoint formula: (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})

To obtain the midpoint of MJ:

A=(\frac{-4+-2}{2},\frac{0+4}{2})=(-3,2)

Similarly, the midpoint of of JK is B=(0,4), the midpoint of  KL is C=(3,2), and the midpoint of LM is D=(0,0).

Now use the slope formula;

m=\frac{y_2-y_1}{x_2-x_1}

To find the slope of AB = \frac{4-2}{0--3}=\frac{2}{3}

The slope of BC =\frac{2-4}{3-0} =-\frac{2}{3}

The slope of CD= \frac{0-2}{0-3}=\frac{2}{3}

The slope of AD=\frac{0-2}{0--3}=-\frac{2}{3}

We can see that the slope of the opposites sides are parallel, CD is parallel to AB and AD is parallel to BC.

The product of the slopes of the adjacent sides is not -1.

Hence the shape formed by connecting the midpoint of the isosceles trapezoid is a parallelogram.

Obviously the side lengths are equal since we connected all midpoints.

The parallelogram is a rhombus.

7 0
3 years ago
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