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artcher [175]
3 years ago
11

You solved a linear system with two equations and two variables and got the equation o=-8. how many solutions does the system of

equations have
Mathematics
1 answer:
Luda [366]3 years ago
3 0
If you simplified a two-equation system and all variables were eliminated, two outcomes are possible.

If the final equation is a true equation, like 3=3, then the system has an <em>infinite number of solutions </em> (the equations graph the same line, and all points appear on both graphs)

If the final solution is a mathematically false equation, like 0=-8, the system has no solution. The lines are parallel and never intersect (have a solution)
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three sister are getting new outfits. shirts cost 11 each,skirts coat 25 each and shows cost 44 a pair what is the total coast o
MatroZZZ [7]

Answer:

240.

Step-by-step explanation:

Here is the correct question: Three sister are getting new outfits. shirts cost 11 each,skirts coat 25 each and shoes cost 44 a pair. what is the total cost of the new outfits for all of the sisters​?

Given: Cost of each shirt is 11

           Cost of each skirts coat is 25

           Cost of each pair of shoes cost is 44.

Now, finding total cost of shirt, skirt coat and shoes as cost of one new outfit.

= 11+25+44 = 80

∴ Total cost of one new outfit is 80.

Next, finding cost of new outfit for all, three sisters.

Cost of new outfit for three sister = \textrm { cost of one outfit}\times \textrm{ number of sisters}

∴ Cost of new outfit for three sister = 80\times 3= 240

240 is the total cost of new outfit for all the sisters.

         

3 0
3 years ago
Mrs. Trout estimated her math class next year would include 28 students. The actual size of the class turned out to be 32 studen
Alja [10]
The answer she has is not correct.
 All the steps she did are correct, except they forgot to convert the decimal answer into the proper percentage by multiplying it by 100.

The correct answer should be 0.125 * 100 = 12.5%
7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%2832%29%5E%7B1%2F5%7D" id="TexFormula1" title="(32)^{1/5}" alt="(32)^{1/5}" align="absmiddle"
lorasvet [3.4K]

Answer:

<h2><em><u>2</u></em></h2>

Step-by-step explanation:

{32}^{ \frac{1}{5} }

=  \sqrt[5]{32}

=  \sqrt[5]{2 \times 2 \times 2 \times 2 \times 2}

= <em><u>2</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>

4 0
2 years ago
If f(x)=4x^2+1 and g(x)=x^2-5 find (f+g)
lutik1710 [3]
Given:
f(x) = 4x² + 1
g(x) = x² - 5

Then
(f + g)(x) = 4x² + 1 + x² - 5
              = 5x² - 4

Answer: 5x² - 4
3 0
3 years ago
Read 2 more answers
Which of the following represents a chord, but not a diameter, of the circle?
Katena32 [7]
Please provide with diagar
3 0
3 years ago
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