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BabaBlast [244]
3 years ago
5

Please helppp! I need help ASAP!

Mathematics
1 answer:
adoni [48]3 years ago
6 0

H is the answer.  All they are asking is for you to plug in different numbers for x in each equation and see what one works out.  H is the correct answer.

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  1) 5x-2y=4.         2) 3x-5y=13  x-2y=5<br>3x+y=9
Natali [406]
\left\{\begin{array}{ccc}5x-2y=4\\3x+y=9&/\cdot2\end{array}\right\\+\left\{\begin{array}{ccc}5x-2y=4\\6x+2y=18\end{array}\right\\----------\\.\ \ \ \ \ 11x=22\ \ \ \ /:11\\.\ \ \ \ \ \ \ x=2\\\\3\cdot2+y=9\\6+y=9\\y=9-6\\y=3\\\\Answer:x=2;\ y=3


\left\{\begin{array}{ccc}3x-5y=13\\x-2y=5\end{array}\right\\\left\{\begin{array}{ccc}3x-5y=13\\x=2y+5\end{array}\right\\\\substitute:\\\\3(2y+5)-5y=13\\6y+15-5y=13\\y=13-15\\y=-2\\\\x=2\cdot(-2)+5=-4+5=1\\\\Answer:x=1;\ y=-2.
5 0
3 years ago
DONT ANSWER UNLESS I KNOW YOU!!!
Vsevolod [243]

Since Area equals length times width

A=L x W


And its asking twice its width

The height is 15 so if you add it its 30


So to get the answer you multiply 30 times 15 and you will get 450


Hope this helped you :D


Tobey Snaps

6 0
3 years ago
mckenna had $32 when she got to the carnival . after riding 6 rides , she had $20 left . write an eqaution and solve to find the
Aneli [31]

Answer:

$2 per ride

Step-by-step explanation:

$32-$20=$12

McKenna rode 6 rides so $12 divided by 6 rides is $2 for every ride

8 0
3 years ago
2. What step did Mikayla do wrong when she solved this
Lunna [17]

Mikayla subtracted 4 from both sides in the beginning when she should've added it to both sides to cancel it out on the right. the correct answer should actually be x=1

5 0
3 years ago
Read 2 more answers
Please helpp quick! i have no idea what the answer is
aleksley [76]

Answer:

C

Step-by-step explanation:

point-slope equation is y-y1=m(x-x1)

y1=2

x1=6

m=(-5/7)

so the equation is y-2=-5/7(x-6)

hope this helps :3

5 0
3 years ago
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