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Lesechka [4]
3 years ago
15

Describe in words how you would solvethe linear system y = 3x + 1 and y = - 2x + 3.

Mathematics
1 answer:
disa [49]3 years ago
3 0

Answer:

Below.

Step-by-step explanation:

As both the right sides of the 2 equations are equal to y, by the transitive law of equality 3x + 1 = -2x + 3.

W then solve this equation for x then substitute this value of x  in the first equation ( y = 3x + 1) to find the value of y.  

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Mr. Morris is going to save money and replace his sailboat's mainsail himself. He must determine the area of the mainsail in ord
mrs_skeptik [129]
Hey there,

Vertical base is 4 and horizontal base would be 15, which means that it would be the same on the other side. So we could do that math and your final answer would be 286 ft.

~Jurgen
4 0
3 years ago
if my grade in math is a 51.32% and I get at least a 70% on my test. What percentage will my grade go up too? ( test are worth 4
bazaltina [42]
Keeping in mind that 70% of anything is 70/100 * anything, thus

\bf \begin{array}{ccll}
\stackrel{percentage}{points}&\stackrel{test}{completed}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
45&1\\\\
x&\frac{70}{100}
\end{array}\implies \cfrac{45}{x}=\cfrac{1}{\frac{70}{100}}\implies \cfrac{45}{x}=\cfrac{\frac{1}{1}}{\frac{7}{10}}
\\\\\\
\cfrac{45}{x}=\cfrac{1}{1}\cdot \cfrac{10}{7}\implies \cfrac{45}{x}=\cfrac{10}{7}\implies \cfrac{45}{x}=\cfrac{10}{7}\implies \cfrac{45\cdot 7}{10}=x
\\\\\\
\cfrac{63}{2}=x\implies \boxed{31.5=x}

so, you get that many percentage points, now... add that to 51.32.
7 0
3 years ago
A television and DVD player cost a total of $1236. The cost of the television is three times the cost of the DVD player.
SSSSS [86.1K]

1236.00/3= 412.00

then take 1236.00 - 412.00= 824.00

the tv cost 824.00

the dvd cost 412.00

7 0
4 years ago
The price for the items ordered at lunch was $23.45. How much would the price be after you tip 20%?
kotykmax [81]
The price for the items ordered at lunch was $23.45.Now, let's find how much would the price be after you tip 20%?Important data:=> 23.45 dollars = total amount that was billed to your ordered items.=> 20% (20% /100% =.20) = the tip the you will be giving base on the amount you were charged for the items you bought.Now, since I already converted the 20% to decimal, let's start solving.=> 23.45 * . 20 = 4.69 dollarsNow, let's add<span>=> 23.45 + 4.69 = 28.14 dollars</span>
8 0
4 years ago
Does anyone know this to help me out
prohojiy [21]

Answer:

n=56/5

Step-by-step explanation:

first i dived both sides of a equation by 5 there gos your anwser

5 0
4 years ago
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