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Sauron [17]
2 years ago
9

Please help me ill give brainliest plz give me a simple answer​

Mathematics
1 answer:
Crazy boy [7]2 years ago
5 0

Answer:

this is just trial and error. Answer is 3

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I think it is D......
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NEED ANSWER ASAP!! TYYY SO MUCH IN ADVANCE
Kipish [7]

Answer:

24.84

Step-by-step explanation:

use Pythagoras theorem

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Natali5045456 [20]

Answer:

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Step-by-step explanation:

area=length X width

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Solve using the method of elimination and determine if the system has 1 solution, no solutions, or infinite solutions
Minchanka [31]

\begin{array}{rrrrr} 10x&-&18y&=&2\\ -5x&+&9y&=&-1 \end{array}~\hfill \implies ~\hfill \stackrel{\textit{second equation }\times 2}{ \begin{array}{rrrrr} 10x&-&18y&=&2\\ 2(-5x&+&9y&)=&2(-1) \end{array}} \\\\[-0.35em] ~\dotfill\\\\ \begin{array}{rrrrr} 10x&-&18y&=&2\\ -10x&+&18y&=&-2\\\cline{1-5} 0&+&0&=&0 \end{array}\qquad \impliedby \textit{another way of saying \underline{infinite solutions}}

if we were to solve both equations for "y", we'd get

10x-18y=2\implies 10x-2=18y\implies \cfrac{10x-2}{18}=y\implies \cfrac{5}{9}x-\cfrac{1}{9}=y \\\\\\ -5x+9y=-1\implies 9y=5x-1\implies y=\cfrac{5x-1}{9}\implies y = \cfrac{5}{9}x-\cfrac{1}{9}

notice, the 1st equation is really the 2nd in disguise, since both lines are just pancaked on top of each other, every point in the lines is a solution or an intersection, and since both go to infinity, well, there you have it.

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2 years ago
What values complete each statement? Enter your answers in the blanks. (Enter your answer) (√5) 2 = _________ in simplest form.
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3 years ago
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