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3 years ago

Calculate the slope of each line. Write your answer in simplest form,

Mathematics

2 answers:

AveGali [126]3 years ago

5 0

-4/3, 2/3, and 0 hope this helps

koban [17]3 years ago

5 0

Answer:

-5/2

2/3

Step-by-step explanation:

Make a triangle with two points on the line.

Count the squares to get rise (change in y) and run (change in x).

Slope=rise/run

For (3), pick two easy points on the line. For example, (-1,2) and (-3,7).

Slope=(y1-y2)/(x1-x2)

Point1 = (-1,2): y1=2 and x1=-1

Point2=(-3,-7)): y2=7 and x2=-3

Slope= $\frac{2-7}{-1-(-3)}$

=-5/2

Same process for others. Slope is about incline (think driving up a hill), so for (5) the slope is 0 because the line is horizontal.

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What is the following sum? 5(3squareroot x) +9 (3squareroot x)

Volgvan

$\sf{14(\sqrt[3]{x}) }$

Step-by-step explanation:

$5(\sqrt[3]{x})+9(\sqrt[3]{x})\\\\(5+9)(\sqrt[3]{x})\\\\14(\sqrt[3]{x})$

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3 years ago

Find the mean, median, and mode of the data set. Round to the nearest tenth. 15, 13, 9, 9, 7, 1, 11, 10, 13, 1, 13 mean = 8.5, m

jasenka [17]

Answer:

Mean = 9.3

Median = 10

Mode = 13

Step-by-step explanation:

To get the mean, you would have to add up all of the numbers (102), then divide how many numbers you have with the numbers added up (9.3). To get the median, you would have to put all of the numbers that you have, in order, from least to greatest and cross off each number, one from each side before getting to the number in the middle (unless if you have an even number; works better with odd numbers, which is easier). To get the mode, you would need to find out which number appears the most, and, if there is more than one, you can put the numbers down. Hope this helps.

3 0

3 years ago

Read 2 more answers

Armando graphed the relationship between temperature and elevation for several cities. The

Novosadov [1.4K]

Answer:

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Step-by-step explanation:

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3 years ago

A semi-circle window can be used above a doorway or as an accent window

anzhelika [568]

A semicircle is a part of a circle, and it is referred to as half of a given circle. Thud the area of the semi-circle window is 982 $in^{2}$ .

A circle is a shape that is bounded by a curved path which is referred to as the circumference. Some parts of a circle are radius, diameter, sector, arc, semi-circle, circumference, etc.

A semicircle is a part of a circle, and it is referred to as half of a given circle.

such that:

Area of a circle = $\pi$ $r^{2}$