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Luden [163]
2 years ago
9

HELP Determine which lines, if any, must be parallel. Check all that apply. HELP WITH THE ENTIRE QUESTION

Mathematics
2 answers:
Law Incorporation [45]2 years ago
4 0

Answer:

a b

m n

the 2nd one

Step-by-step explanation:

Tomtit [17]2 years ago
3 0
They all are parallel
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5+4(-20)<br> Be sure to consider the order of operations!!
White raven [17]

Answer:

5 + 4( - 20) \\ 5 + ( - 80) \\ 5 - 80  \\ =  - 75

I hope I helped you^_^

4 0
2 years ago
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If every 3 hours John walked 8 miles. How many miles did John walk in 1 hour
erica [24]

8 ÷ 3 = 2 2/3 miles

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2 years ago
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My professor showed us in class today how to use ode45 to solve a differential equation numerically. i would like to use it on m
Brilliant_brown [7]

Yes, ode45 can be used for higher-order differential equations. You need to convert the higher order equation to a system of first-order equations, then use ode45 on that system.

For example, if you have

... u'' + a·u' + b·u = f

you can define u1 = u, u2 = u' and now you have the system

... (u2)' + a·u2 + b·u1 = f

... (u1)' = u2

Rearranging, this is

... (u1)' = u2

... (u2)' = f - a·u2 - b·u1

ode45 is used to solve each of these. Now, you have a vector (u1, u2) instead of a scalar variable (u). A web search regarding using ode45 on higher-order differential equations can provide additional illumination, including specific examples.

7 0
3 years ago
Mrs. Lane took a survey of the types of pants her students were wearing. She collected the data at the right. What percent of he
Nadya [2.5K]

Answer:

It is always important to go through the given problem first to get a concept of the requiremement. Then all the information's available from the question has to be noted down in such a manner that there would be no need to look at the question while solving.

Total number of students wearing jeans = 10

Total number of students wearing shorts = 9

Total number of students wearing capris = 2

Then the total number of students surveyed by Mrs Lane = (10 + 9 + 2)

                                                                                           = 21

Now percentage of students wearing shorts = (9/21) * 100

                                                                      = (3/7) * 100

                                                                      = 300/7

                                                                      = 42.85 percent

So a total percentage of 42.85% of the students were wearing shorts.

Step-by-step explanation:

6 0
3 years ago
4x-1=y graphed by using a table
olasank [31]

Answer:

It can be many answers since it’s on a graph

Step-by-step explanation:

That equation isn’t the rule so test it out on number so and you will get point to put on a graph

5 0
3 years ago
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