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nordsb [41]
2 years ago
12

The system of a linear equation y=2x-1 and y=-4x-1 is graphed below.pls help.​

Mathematics
2 answers:
kotykmax [81]2 years ago
5 0

Answer:A

(0,-1)

Step-by-step explanation:

Hope this helps!

Scrat [10]2 years ago
3 0

Answer:

A

Step-by-step explanation:

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Solve 4X^2+7 = 8X +4 by using the quadratic formula
Sergio [31]

Answer:

(1.5,0)

(.5,0)

Step-by-step explanation:

Quadratic formula below

We first need to move everything to one side of the equation

4x²-8x+3=0

Then plug everything in

(8±√(-8²-4*4*3))/(2*4)

(8±√16)/8

To calculate the ± we need to do when where it's adding and then negative

we have

(8+4)/8=3/2

and hten

(8-4)/8=1/2

4 0
3 years ago
Edward's school is 132 miles away from his home . He goes by car to school and back. The car consumed 4 gallons of gas taking hi
mixer [17]
Total distance is 132 miles x 2 times/day x 5 days = 1320 miles
That used 4 gallons of fuel, so 1320 miles/4 gallons = 330 miles per gallon
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3 years ago
The circulation of a newsletter decreased from 6000 to 3710. Find the percent of decrease in circulation to the nearest percent.
max2010maxim [7]
It would be approximately a decrease of 38%
6 0
3 years ago
At the local pet store, zebra fish cost $2.00 each and neon tetras cost $2.15 each. If Ernesto bought 15 fish for a total cost o
bezimeni [28]
So first create and define your variables:
Z = amount of zebra fish
N = amount of neon tetras

Now create your equations:
2z+2.15n=31.20
z+n=15
This is your system. There are multiple methods to use but in this problem I’ll use the substitution method by simplifying the bottom equation.
2z+2.15n=31.20
z=15-n
Now I’ll plug the bottom equation into the top one.
2(15-n)+2.15n=31.20
And just solve from here.
30-2n+2.15n=31.20
0.15n=1.20
n=8
So he bout 8 neon tetras, and 15-8= 7, so he bought 7 zebra fish
6 0
2 years ago
Read 2 more answers
Helppppppppppppppppppppppppppppppp plz
ss7ja [257]

The answer is the second image from left to right (B). Examples of direct and inverse variations are showed in the image below. :)

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2 years ago
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