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san4es73 [151]
11 months ago
10

How does solving a linear system in two variables compare to solving an equation in one variable?

Mathematics
1 answer:
yan [13]11 months ago
4 0

In this case, we must analyze the question to find the solution.

Step 01:

equation one variable vs system of equations two variables = ?

Step 02:

In an equation with one variable, we must only apply the algebraic rules to find its value.

For systems of equations, we have different methods to solve them.

And it is possible to write the equations as a function of one variable, and then substitute in the other equation and thus find the solution.

Therefore, it is comparable to solving one variable equation.

That is the answer.

You might be interested in
100 students went on a field trip. Six busses were filled and 10 students traveled in
kaheart [24]

Answer:

15 students in each bus.

Step-by-step explanation:

Subtract 10 from 100 and you get 90 then divide 90 by 6 and that gives you how many students in each bus

7 0
1 year ago
Help me solve this problem please num 25
vfiekz [6]

Answer:

18x^3y

Step-by-step explanation:

The area of a trapezium is \frac{a+b}{2}h (where a,b are the parallel sides and h is the perpendicular height)

Area of trapezoid = \frac{4xy+8xy}{2}3x^2

=6xy(3x^2)

=18x^3y

∴ The area of the trapezoid is 18x^3y

Hope this helps :)

5 0
3 years ago
I need help with these 2 <br> i need to get a answer and i have to explain pls help! :(
OLga [1]

Answer:

12. C. 40 more students chose baseball than basketball

20. 500 total flowers

Step-by-step explanation:

12. To find the number of students that chose baseball, we multiply 25% by 800 students surveyed. First we have to convert 25% to a decimal = 0.25

800 x 0.25 = 200 students chose baseball.

Then, for basketball, 20% of students chose that, so 20% = 0.20

800 x 0.2 = 160 students chose basketball

200-160 = 40 more students chose baseball than basketball

----------------------------

20. I don't know what your "magic sentence" looks like. You can set this up as a ratio, where x is the total number of flowers, and the 56% is a fraction of 56/100

280/x = 56/100

then cross multiply

28,000 = 56x

divide by 56

x = 500

Check the math: 500 x 0.56 = 280

If you want to tell me what your teacher's "magic sentence" looks like in the comments, I can try to fill it in with/for you.

6 0
2 years ago
Are diagnoals of a parallelogram always perpendicular
sweet-ann [11.9K]

Answer:

yessirrrrrrrrrrrrrrrrrrrrrrtt

Step-by-step explanation:

yes

6 0
2 years ago
What is the approximate area of the shaded sector in the circle below
melisa1 [442]
First to find the area the formula is A=pi(r^2)
so plug in the numbers                   A= (3.14)(4.5)(4.5)= 63.62 is the total area

150*63.62=9543         9543/360=26.5


So the answer is 26.5 cm ^2
8 0
3 years ago
Read 2 more answers
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