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satela [25.4K]
3 years ago
8

Proportional or non-proportional ​

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0

Answer:

Proportional

Step-by-step explanation: since nothings attached i guessed.

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Helpp <br> Ok I don’t know how they got 3y-24
Nesterboy [21]

Answer:

y = -5/3x + 3

Step-by-step explanation:

First lets turn the equation from standard form to slope intercept form.

3x - 5y = 1

~Subtract 3x to both sides

-5y = 1 - 3x

~Divide -5 to everything

y = -1/5 + 3/5x

~Reorder

y = 3/5x - 1/5

Now that we have the equation in slope intercept form, we can find the new equation. A perpendicular line will have the opposite reciprocal of the original slope.

3/5x -> -5/3x

Now that we have the slope, we can use the given point to find the y-intercept.

y = -5/3x + b

8 = -5/3(-3) + b

8 = 5 + b

3 = b

Put all the information we solved for into a final equation.

y = -5/3x + 3

Best of Luck!

7 0
2 years ago
Can someone help me please
Lady bird [3.3K]
Answer: 12.50$


Explanation: 5.25$ (per pound) and he wants 3 pounds so we multiply 5.25x3 which equals 15.75 and then we subtract 3.25 (because of the coupon) which makes your final answer 12.50$
8 0
3 years ago
Marcos had 15 coins in nickels and quarters. He had 3 more quarters than nickels. He wrote a system of equations to represent th
hodyreva [135]

Answer:

There are 6 coins in nickels and 9 coins in quarters.

Step-by-step explanation:

Now, to find the solution.

According to question:

The number of nickels = x.

The number of quarters = y.

So, the total number of coins:

x+y=15.

He had 3 more quarters than nickels.

Thus,

y=x+3 .....(1)

Now, to get the solution:

x+y=15

Substituting the equation (1):

x+(x+3)=15

x+x+3=15

2x+3=15

<em>Subtracting both sides by 3 we get:</em>

<em />2x=12<em />

<em>Dividing both sides by 2 we get:</em>

x=6.

<em>The number of nickels = 6.</em>

Now, substituting the value of x in equation (1):

y=x+3\\\\y=6+3\\\\y=9.

<em>The number of quarters = 9.</em>

Thus, there are 6 coins in nickels and 9 coins in quarters.

6 0
3 years ago
WILL MARK BRAINLIEST
malfutka [58]

Answer:

The spinner is 4 times more likely to land on black.

There were 72 black spins compared to 18 white spins.  This means there were 4 times more black spins than white spins; this means the spinner is not equally likely to land on either co

6 0
3 years ago
Please help me answer this question i am having trouble
melamori03 [73]

Answer:

2684

Step-by-step explanation:

flower bed - diameter: 20 meters

sidewalk: width: 3 meters

Total diameter: 23

Total radius: 16.5

Area Equation:

16.5 x 3.14 ^2

51.81 ^2

= 2684.2761

~ 2684

6 0
3 years ago
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