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Cerrena [4.2K]
3 years ago
12

If (5x-3y)²=0, then x/y=?​

Mathematics
2 answers:
zhuklara [117]3 years ago
7 0

(5x-3y)^2=0\\5x-3y=0\\5x=3y\\\dfrac{5x}{3y}=1\\\boxed{\dfrac{x}{y}=\dfrac{3}{5}}

alexandr1967 [171]3 years ago
5 0

Answer:

\frac{3}{5}

Step-by-step explanation:

Given

(5x - 3y)² = 0, then

5x - 3y = 0 ( add 3y to both sides )

5x = 3y (divide both sides by 5 )

x = \frac{3}{5} y ( divide both sides by y )

\frac{x}{y} = \frac{3}{5}

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Which of these procedures is NOT the same as multiplying a whole number by 1,000?
dlinn [17]

Answer:

C

Step-by-step explanation:

If you add 1,000 to a number 10 times, it will only increase the number by 10,000, not multiply the number by 1,000.

8 0
2 years ago
Which of the following represents the graph of the equation y = 1/2x?
Natasha_Volkova [10]

Answer:

(B)

Step-by-step explanation:

Here's what we know about the equation:

- it's a positive equation

- the y-intercept is (0,0)

- the slope is 1/2

Because the equation is positive, this means the graph will increase up from left to right, so you can cross out answer choice A & D.

To find out if B or C has the right slope, you can either plug in points or use the rise/run method.

I'm going to use both methods to figure out which answer choice is correct:

<u>Plug in points method:</u>

Let's plug in the value 2 in to the equation y = 1/2x.

1/2 * 2 = 1

So at (1,2) the function should include that point.

Only B has (1,2), so that's your answer.

<u>Rise/run method:</u>

Rise/run is a method used to figure out the slope of a function or draw a function on a graph.

Rise corresponds to the numerator. In this case, 1.

Run corresponds to the denominator. In this case, 2.

We are going to start at (0,0) and go up 1 (rising 1 unit) and go 2 to the right (running 2 units). After this, we should arrive at a point on the graph.

Only answer choice B does this.

**Reminder: be careful, the each blue line on the graph ISN'T a whole number interval; it uses 1/2 intervals.

Hope that helps (●'◡'●)

8 0
2 years ago
The product of -3x and (2x+5) is …​
PolarNik [594]

\huge{\boxed{\boxed{ Solution ⎇}}} \

- 3x \times (2x + 5) \\  =  - 3x \times 2x +  - 3x \times 5 \\  =  - 6x ^{2}  - 15x

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ ツ

꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐

5 0
3 years ago
Read 2 more answers
Of my <br> Goodness please help me!!! <br>which is the graph of the function
Lerok [7]

Answer:

B

Step-by-step explanation:

the fraction gives an assomtope

6 0
3 years ago
What is the solution to this linear system?
seropon [69]
The answer is (-1,7)

I got this answer because to solve a system, you find the point on the graph where both lines intersect. And that point in this graph is (-1,7). Hope this helps!:)))))
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