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3 years ago

Please show me how you got the answer thanks in advance:) please someone help me !!!

Mathematics

1 answer:

Vinil7 [7]3 years ago

3 0

If we first identify our variables, x will be the larger number and y will be the smaller number. We can now identify our equations.
x=1000+2y
x-y=9000

I now have a system of equations, so I can solve for x and y.

1000+2y-y=9000
y=8000
x-8000=9000
x=17000
The larger number is 17000 and the smaller number is 8000.

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200+500+285-834+8373-8445=

katovenus [111]

Answer:

1747

Step-by-step explanation:

5 0

3 years ago

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An internet cafe charges a fixed amount per minute to use the internet. The cost of using the internet in dollars is, y = 3/4x.

Vinil7 [7]

ANSWER

8 minutes

EXPLANATION

We know that the cost of using the internet in dollars is given by,

$y=\frac{3}{4}x$

Where x is the number of minutes spent on the internet.

In this problem, we have to find how many minutes will 6 dollars buy. In other words, we have to find x for y = 6. To solve the given equation for x, we have to multiply both sides by 4,

$\begin{gathered} 4y=4\cdot\frac{3}{4}x \\ \\ 4y=3x \end{gathered}$

And divide both sides by 3,

$\begin{gathered} \frac{4y}{3}=\frac{3x}{3} \\ \\ \frac{4y}{3}=x \end{gathered}$

So, for y = 6, x is,

$x=\frac{4\cdot6}{3}=\frac{24}{3}=8$

Hence, $6 will buy 8 minutes.

8 0

1 year ago

A squared garden has area 1764m2. Find its length and perimeter?

Lina20 [59]

Answer:

<h2><u><em>length = 42 m</em></u></h2><h2><u><em>perimeter = 168 m</em></u></h2>

Step-by-step explanation:

A squared garden has area 1764m2. Find its length and perimeter?

Area = l²

inverse formula

l = √Area

length

√1764 = 42 m

Perimeter l × 4

42 * 4 = 168 m

4 0

3 years ago

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2а + 20 = -3а - 5 pls help

sammy [17]

Answer: A= -5

Step-by-step explanation:

4 0

2 years ago

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Help me i beg u plzzzz

Ainat [17]

We can say at month 0 she was 43 inches tall.

And at month 18 she was 52 inches tall.

We can say that x is the number of months and y is her height.

Rise/run
y2-y1/x2-x1
52-43/18-0
9/18
1/2

So the slope is 1/2 (which is what you are looking for.) and if you were to write an equation it would be y=1/2x+43

Brainliest my answer if it helps you out?

5 0

3 years ago