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viktelen [127]
2 years ago
11

I need to solve this equation: x= r-h/ y for h and then for r

Mathematics
2 answers:
ololo11 [35]2 years ago
7 0
X= r-h/y
h= xy-r/-1
r= xy+h
Romashka [77]2 years ago
3 0

Answer:

h=r-xy

r=xy+h

Step-by-step explanation:

x=\frac{r-h}{y}

Solve the equation for h

We need to get 'h' alone

x=\frac{r-h}{y}

multiply y on both sides

xy=r-h

Now add h on both sides

xy+h=r

Subtract xy from both sides

h=r-xy

Now solve the equation for 'r'

x=\frac{r-h}{y}

multiply y on both sides

xy=r-h

Now add h on both sides

xy+h=r

r=xy+h

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the center of a circular sunflower with a diameter of 4 centimeters is (-2,1). Which equation represents the sunflower?
BigorU [14]
The standard equation the circle is given by:
 (x-xo) ^ 2 + (y-yo) ^ 2 = r ^ 2
 Where,
 (xo, yo): coordinates of the center of the circle
 r: radius of the circle
 Substituting values we have:
 (x - (- 2)) ^ 2 + (y-1) ^ 2 = (4/2) ^ 2
 Rewriting:
 (x + 2) ^ 2 + (y-1) ^ 2 = 4
 Answer:
 
An equation that represents the sunflower is:
 
(x + 2) ^ 2 + (y-1) ^ 2 = 4
6 0
2 years ago
According to chebyshev's theorem, at least what percent of the observations lie within plus and minus 1.75 standard deviations o
Alborosie
Chebyshev's theorem in statistics states that for many probability distributions, no more than 1/k² of measured values will be k standard deviations away from the mean.

Because the area under the probability distribution curve is equal to 1, Chebyshev's theorem means that the shaded area shown in the figure is equal to 1 - 1/k².

When k = 1.75, the shaded area is
1 - 1/1.75² = 0.7635 = 67.35%

Therefore the percent of the area within +/- 1.75 standard deviations from the mean is
67.35/2 = 33.7%, which is at least 33% of the observations.

Answer:
According to the Chebyshev theorem, at least 33% of the observations lie within +/- standard deviations from the mean.

4 0
1 year ago
Together Mary, Jane, and Ruth received $30. Mary received $6, Jane received $9, and Ruth received $15. What percent of the $30 d
Likurg_2 [28]
Hey there! :D 

So, we know that Jane received $9 out of the $30. 

Divide 9 by 30. 

9/30= .3

Turn that into a percentage. 

.3= 30%

We can check this by finding the other percentages. 

Ruth= 15  15/30= .5 50% 

Mary= 6 6/30= .2 20%

30%+20%+50%= 100% <== this works

I hope this helps!
~kaikers 
8 0
1 year ago
Read 2 more answers
Jose and Maris work for different car dealerships. Jose earns a monthly salary of $3,500 plus a 6% commision on his sales, x. Ma
patriot [66]

Answer:

x>$25000

Step-by-step explanation:

4 0
1 year ago
A bucket contains 11 2/3 gallons of water and 5/6 is full. How many gallons of water would be in a full bucket? Write a multipli
vagabundo [1.1K]

Answer:

14 gallons

Step-by-step explanation:

If 11 2/3 gallons represents 5/6 full bucket then we can equate that

x=1 full

x=\frac {11 2/3}{5/6}=14

Therefore, the bucket requires 14 gallons

7 0
1 year ago
Read 2 more answers
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