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love history [14]
4 years ago
10

Set up and solve a system of equations to solve the problem.

Mathematics
1 answer:
11Alexandr11 [23.1K]4 years ago
5 0
5 months and $360...........
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Solve for y in the given equation 2y - 24 = 14y <br> Answer are <br><br> 8y <br> -8y<br> -2 <br> 2
ArbitrLikvidat [17]

Answer:

y = -2

Step-by-step explanation:

First, we subtract 2y on both sides:

-24 = 12y

Then, we divide 12 on both sides:

y = -2

And we're done ^^ hope this helps!

6 0
4 years ago
the price of stock decrease $2 per day for 4 days consecutive days what was the total change in the value of the stock over the
ikadub [295]
Each day it decrease $2. So just multiply $2 x 4 days. It changed a total of $8.
7 0
4 years ago
Read 2 more answers
A circular pond is modeled by the equation x^2 + y^2= 225. A bridge over the pond is modeled by a segment of the equation x – 7y
serious [3.7K]
x^2+y^2=225 \\&#10;x-7y=-75 \\ \\&#10;\hbox{solve the second equation for x:} \\&#10;x-7y=-75 \ \ \ |+7y \\&#10;x=7y-75 \\ \\&#10;\hbox{substitute 7y-75 for x in the first equation:} \\&#10;(7y-75)^2+y^2=225 \\&#10;49y^2-1050y+5625+y^2=225 \\&#10;50y^2-1050y+5625=225 \ \ \ \ \ \ \ \ \  |-225 \\&#10;50y^2-1050y+5400=0 \ \ \ \ \ \ \ \ \ \ \ \ |\div 50 \\&#10;y^2-21y+108=0 \\&#10;y^2-9y-12y+108=0 \\&#10;y(y-9)-12(y-9)=0 \\&#10;(y-12)(y-9)=0 \\&#10;y-12=0 \ \lor \ y-9=0 \\&#10;y=12 \ \lor \ y=9

x=7y-75 \\&#10;x=7 \times 12 -75 \ \lor \ x=7 \times 9-75 \\&#10;x=84-75 \ \lor \ x=63-75 \\&#10;x=9 \ \lor \ x=-12 \\ \\&#10;(x,y)=(9,12) \hbox{ or } (x,y)=(-12,9)

The points are (9,12) and (-12,9).
The answer is A.
7 0
3 years ago
Then, the bug ran from −100 to 100. What distance did it cover? If the average speed of the bug during this run was 20 units per
asambeis [7]

Answer:

200 units.

10 minutes.

Step-by-step explanation:

Distance = 100 - (-100)

= 100 + 100

= 200 units.

Speed = distance / time

20 = 200/ t

t =  200/20

= 10 minutes.

8 0
4 years ago
Compare. Write &lt;,&gt;,or=<br>2/6. 2/4​
Misha Larkins [42]

Answer:

2/6<2/4

Step-by-step explanation:

We can start by simplifying the two fractions. 2/6=1/3 and 2/4=1/2. 1/3<1/2 so 2/6 is smaller than 2/4.

3 0
3 years ago
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