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MAXImum [283]
3 years ago
9

Help! i will follow or whatever!! just help me please!

Mathematics
1 answer:
sveta [45]3 years ago
4 0

Answer:

I think it is 50 tell me if it is right

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Fully simplify ( 3 x + y 4 ) 2
Ainat [17]

Answer:

2/4-5

Step-by-step explanation:

5 0
3 years ago
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Elena needs to cut a square piece of wood with an area of 69 square inches. Approximate how long the sides of the square should
astraxan [27]

Answer:

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7 0
3 years ago
Zack wanted to build a fenced in area for a dog kennel in his backyard. The fenced in space has a length of 5 1/4 feet and a wid
Radda [10]

Answer:

Zack will need 17 1/2 ft of fence

Step-by-step explanation:

To calculate this we will first pass the numbers to complete fractions

5 1/4 ft = 21/4 ft

3 1/2 ft = 7/2 ft

We have to add 2 times each side

21/4 ft + 21/4 ft  + 7/2 ft + 7/2 ft =

Now we have to pass all the fractions to the same denominator

21/4 ft + 21/4 ft  + 14/4 ft + 14/4 ft  =

70/4 = 17 1/2

Zack will need 17 1/2 ft of fence

4 0
3 years ago
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.

8 0
2 years ago
What is 1209➗197 and how do it do it lol
Montano1993 [528]
1209/197 is 6.13 

I used a calculator lol
8 0
3 years ago
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