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Olegator [25]
2 years ago
6

Which graph represents this system? 2x-5y=-5 Y=2/5x+1

Mathematics
2 answers:
zhenek [66]2 years ago
7 0

both equations line up

Rom4ik [11]2 years ago
4 0

Answer:

The given system is formed these equations

2x-5y=-5

y=\frac{2}{5}x+1

If you pay careful attention to this system, you would see that both equations represent the same thing, but they are just written in different ways. To demonstrate this, let's isolate y in the first equation

2x-5y=-5\\-5y=-5-2x\\y=\frac{-5-2x}{-5}\\y=1+\frac{2}{5}x

Which is the same than y=\frac{2}{5}x+1. But, what does it mean this?

It means that the graph must show one line over the other one, or you can see it as the same single line, because both equation are just the same. This also means that the system has infinite solutions.

The image attached shows the behaviour described.

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Earl invested 6,000 in a money market account that pays 5% interest quarterly. How much money will he have in his account after
Sedbober [7]

Answer:

The amount becomes $6964.53 after 3 years .

Step-by-step explanation:

Formula

Amount = P (1+\frac{r}{4})^{4t}

Where P is the principle , r is the rate of interest in the decimal form and t is the time in the years .

As given

Earl invested 6,000 in a money market account that pays 5% interest quarterly for 3 years .

P = $6000

5% is written in the decimal form.

= \frac{5}{100}

= 0.05

r = 0.05

t = 3 years

Putting all the values in the formula

Amount = 6000(1+\frac{0.05}{4})^{4\times 3}

Amount = 6000(1+0.0125)^{12}

Amount = 6000\times 1.16075452

Amount =\$ 6964.53\ (Approx)

Therefore the amount becomes $6964.53 after 3 years .


3 0
2 years ago
What 2-dimensional shape would be formed by a perpendicular cross section of a soda can
Stella [2.4K]

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Step-by-step explanation:

We know that soda can is made in the cylinder shape when we cut a soda can in perpendicular cross section we get a 2D shape of Rectangle.

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igor_vitrenko [27]
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2. There are 1500 candies in a candy dish. Each day half of the candy is taken out.
katen-ka-za [31]

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so easy and obvious dude

Step-by-step explanation:

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