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ivanzaharov [21]
3 years ago
14

Brainliest & points! i need help with math asap, show work too if possible :)

Mathematics
1 answer:
qwelly [4]3 years ago
4 0

Answer:

I think the answer is x is 16 and y is 20? I could be wrong tho

Step-by-step explanation:

First, subtract -7 from -1 to get 8.

Then, add the 12 and you get 16 for x.

First, subtract 7y from 9x to get 2y

Then, add 4 to get 20 for y.

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Rachel finished 3/4 of the race in 6 hours how long was the entire race
pantera1 [17]
Hi there!

The whole race would've been 8 hours long.

Could you Brainliest me please?
6 0
3 years ago
Write 23/6 as a mixed number then make up any mixed mixed number and show how you can write it as a fraction greater than one
aliina [53]
23/6 as a mixed number equals 3 5/6

24/4 → 4 goes into 24 6 times so the answer is 6
4 0
3 years ago
Which are the solutions to the quadratic equation x^2=9x+6
AlekseyPX
I will use a quadratic formula:

x^2=9x+6\ \ \ \ |-9x-6\\\\x^2-9x-6=0\\\\a=1;\ b=-9;\ c=-6\\\\b^2-4ac=(-9)^2-4\cdot1\cdot(-6)=81+24=105\\\\\sqrt{b^2-4ac}=\sqrt{105}\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_1=\dfrac{-(-9)-\sqrt{105}}{2\cdot1}=\dfrac{9-\sqrt{105}}{2}\\\\x_2=\dfrac{-(-9)+\sqrt{105}}{2\cdot1}=\dfrac{9+\sqrt{105}}{2}
5 0
3 years ago
Ann has bought 10 pounds of dog food. She feeds her dog
Yanka [14]

Answer:

25 meals

Step-by-step explanation:

She has 10 pounds total and she feeds 2/5 per meal, so we do 10/(2/5)) to get 25

Hope this helps

5 0
3 years ago
50 POINTS IF ANSWERED, BRAINLIEST IF EXPLAINED
puteri [66]
M=change in y/change in x
Finding gradient of the orginal line
=3+1/0-3
=-4/3
Since parallel lines are equal the other line would be -4/3 (gradient)
Sub (-3;2) into y=mx+c
2=-4/3 (-3)+c
2=4+5
2-4=c
-2 = c

Therefore sub all your info and you get y= -4/3x-2
6 0
3 years ago
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