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3 years ago

What is the meaning of the slope of the line ?

1 answer:

4 0

Step-by-step explanation: In algebra, we use the word slope to describe how steep a line is and slope can be found using the ratio rise/run between any two points that are on that line.

The ratio rise/run is the equal to the rate of change

or the change in y/change in x.

In algebra, the rate of change or the change in y/change in x or

the rise/run is also called the slope of a line.

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A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Der

Lady_Fox [76]

∑i=2i=10(4+2n)= You can do it by hand, w/o much work . plug in n=2 into (4+2n) then plug in n=3 into (4+2n) then plug in n=4 into (4+2n) etc until you get to n=10. Add them all up.
add 8 + 10 + 12 + 14 + 16 + 18 + 20 + 22 + 24
144 jumps!

5 0

3 years ago

How do I find square roots without a calculator?

tekilochka [14]

You have to find to numbers that are the same and multiply them to see if you the answer your looking for for example, square root of 36 is 6 because 6 time 6 is 36

6 0

3 years ago

Read 2 more answers

1. The angle turns through 1/9of the circle.

kenny6666 [7]

Step-by-step explanation:

$\frac{1}{9} \times 360 \degree = 40 \degree$

3 0

4 years ago

70 sixth-graders had an average weight of 90 pounds. 30 seventh graders had an average weight of 100 pounds. What was the averag

Brrunno [24]

We know that 70 sixth graders had an average weight of 90 pounds, and 30 seventh graders had an average weight of 100 pounds.

We know that the weight of all 70 sixth graders will be 70*90, since we're multiplying the total amount of students by the average.

Using this same logic tells us that the total weight for the 30 seventh graders is 30*100

The average weight for all 100 students will be the total weight of the sixth graders (which is 70*90) added with the total weight of the seventh graders (which is 30*100), then finally divided by the total amount of students in the sample space (which is 100).

$\dfrac{70(90)+30(100)}{100}$

$=\dfrac{6300+3000}{100}$

$=\dfrac{9300}{100}$

$=93$

The average of all 100 students is 93 pounds.

Let me know if you need any clarifications, thanks!

6 0

4 years ago

Eva is building a house. The basement floor is at -15 feet. The roof of the house is above the ground 25 feet. Write an inequali

Marysya12 [62]

lack of smoothness or regularity in a surface.
difference in size, degree, circumstances
lack of equality
the relation between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”

5 0

3 years ago