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Elenna [48]
3 years ago
6

How to solve, y=3x-11 and y- 3x=-13, using the substitution method

Mathematics
2 answers:
romanna [79]3 years ago
4 0
Since you already have y isolated on one equation it's easy. Plug in 3x-11 as for for the second equation. Solve and find what x equals. Then plug the x into the first equation to find y. Hope this helps!
mafiozo [28]3 years ago
4 0
\begin{cases}
 y=\boxed{3x-11}\\
 y- 3x=-13\\
------\\
\boxed{3x-11}- 3x=-13
\end{cases}

solve for "x"
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3 years ago
Select the expression that is equivalent to: 3 root 1089
Delicious77 [7]

Answer:

3\sqrt{1089}=3\sqrt{3^2(11)^2}

Step-by-step explanation:

Given : Expression 3\sqrt{1089}

To find : Select the expression that is equivalent to expression ?

Solution :

Re-write the expression as,

3\sqrt{1089}=3\sqrt{3\times 3\times 11\times 11}

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7 0
3 years ago
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What is the volume of a right circular cylinder with a base diameter of 18 yd and a height of 3 yd? Enter your answer in the box
Alinara [238K]

1. V = r² π hV = 3² π · 10 = 90 π in³Answer: C.2. r = 18/2 = 9 yd, h = 3 ydV = 9² π · 3 = 243 π yd³3. r = 46.25 / 2 = 23.125 cmh = 18.5 cmV = 23.125² · 3.14 · 18.5 = 31,064.53 cm³4. h = 1934,  d = 1934 · 125 = 241,750 ,  r = 241.750 / 2 = 120,875 V = 120,875² · 3.14 · 1934 = = 14,610,765,625 · 3.14 · 1934 = = 88,727,673,056,875



5 0
3 years ago
Read 2 more answers
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