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mestny [16]
3 years ago
5

suppose that x and y vary inversely and x=1 when y=12. write a function that models the inverse variation. graph the function an

d find y when x=5
Mathematics
1 answer:
larisa [96]3 years ago
6 0

Answer:

y=12/x

Step-by-step explanation:

if y=12, and x=1 so

general formula y=12/x

for x=5 , y=12/5=2.4

you can graph by ploting points such as (1,12), (5, 2.4),...

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25,000(4+3x) =125,000
Amanda [17]
To solve this equation, first we have to use the distributive property to eliminate the parentheses on the left side of the equation.

If done correctly, your simplified equation should be 

100,000 + 75,000x = 125,000

Next, we would subtract 100,000 from both sides, resulting in the equation

75,000x = 25,000

Finally, we would divide both sides of the equation by 75,000, resulting in your final answer of 

x= 25,000/75,000

However, many mathematics teachers ask for fractional answers to be simplified.  To simplify fractions, we first find the GCF of both numbers, and then divide both the numerator and the denominator by the GCF.

The GCF of 25,000 and 75,000 is 25,000.

So, in simplest form, your final answer is 

x=1/3
6 0
3 years ago
50 POINTS!!! Macy's has a sale on winter coats during the month of February. A coat is on sale for $175. This is 22% off the ori
klio [65]

1. First consider the unknown original price as 'x'.

2. Then consider the rate of discount.

3. To find the actual discount, multiply the discount rate by the original amount 'x'.

4. To find the sale price, subtract the actual discount from the original amount 'x' and equate this to given sale price.


8 0
3 years ago
What’s 10.546 divided by 52?
Marina CMI [18]

Answer:

The answer to 52 ÷ 10.546 is 0.1952962962960

8 0
2 years ago
What is the slope of a line that passes through the points (-5,-3) and (9,-6)
kipiarov [429]
To find the slope given two points, you need to subtract the two y values over the two x values
(-5,-3)  (9,-6)
-5 will be x1, and -3 will be y1. 9 will be x2, and -6 will be y2. You then need to put the numbers in the correct place in the equation.
y2-y1      -6-(-3)     -9
-------- =   -------- =  ----
x2-x1       9-(-5)     14
Now that we have the slope (-9/14) you can use one of the coordinates to find the value of b.
Let's use (9,-6).
-6=-9/14(9)+b
-6=-81/14+b
+81/14
b=-3/14
Your final equation is y=-9/15x-3/14


7 0
3 years ago
What is the total if your tip is 20% and your subtotal is 7.47​
SVETLANKA909090 [29]

Answer:

$8.96

Step-by-step explanation:

To find the total amount, multiply the percentage of the tip (20%) as 0.20 with 7.47

(7.47×0.20=1.494)

Add $1.49 to $7.47

(1.49+7.47=8.96)

And there is your total amount with a 20% tip!

$8.96

5 0
3 years ago
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