1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Illusion [34]
3 years ago
12

R = x^2/y work out the value of r

Mathematics
1 answer:
swat323 years ago
8 0

Answer:

r=244745.8 (approximately)

Step-by-step explanation:

r=x²/y

ry-x²=0

r(59000)-(380000)²=0

r=380000²/59000

r=144400000/59

r=244745.8 (approximately)

You might be interested in
Can the sum of two irrational numbers ever be a rational number?
andrew-mc [135]
Irrational numbers are numbers that can not be written<span> as a ratio of two integers.  (example: square root of 2). Rational numbers on the other hand can be written as a ratio, as decimal or percentage.
If X is a irrational number, than the number Y=1-X is also irrational and the sum of these two irrational numbers is: X+Y=X+1-X=1 is rational number.
So, the sum of two irrational numbers can be a rational number. </span>
7 0
4 years ago
Mrs. Isabelle is making paper and plastic foam animals for her first-grade class. She is calculating the amount of wasted materi
PSYCHO15rus [73]
We are given square with side length l. The largest circle that we can cut from that square has diameter equal to that side. This circle is called inscribed circle.

When cutting circle from square paper we will be left with some extra paper. Area of that extra paper can be calculated using formula:
area_of_extra_paper = area_of_square - area_of_circle

Now we can insert formulas:
A =  l^{2} -  ( \frac{l}{2} )^{2}  * \pi  \\ A=l^{2} -   \frac{l^{2}}{4} * \pi  \\ A=l^{2} (1- \frac{ \pi }{4} )

This is area of extra paper when we cut one circle. When we cut multiple circles we have:
A=N*l^{2} (1- \frac{ \pi }{4} )
Where:
N = number of circles
This formula is roughly:
A=0.785*N*l^{2}
6 0
3 years ago
If p(x) = 2x2 - 4x and g(x) = x - 3, what is (pog)(x)?
stira [4]

Answer:

<h2>2x² - 16x + 30</h2>

Step-by-step explanation:

p(x) = 2x² - 4x

g(x) = x - 3

To find (pog)(x) replace every x in p(x) by g(x)

That's

(pog)(x) = 2(x - 3)² - 4(x - 3)

= 2( x² - 6x + 9) - 4x + 12

= 2x² - 12x + 18 - 4x + 12

<h3>= 2x² - 16x + 30</h3>

Hope this helps you

3 0
3 years ago
If y is 7 when x is 3.5 and y varies directly with x, find y when x is 12.
Anika [276]
So to find y, we have to set this into fractions and cross multiply.
so, remember y/x
7/3.5=y/12
12*7=3.5y
solve for y
84/3.5=y
y=24

3 0
3 years ago
What coefficient should be placed before the CO2?
Flura [38]

Answer:

C2H5OH(1)+O2(g)-->CO2+3H20(1)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the factored form of 27a^6+8g^12
    6·1 answer
  • Which are solutions of the equation 4x2 – 7x = 3x + 24? Check all that apply. x = –4 x = –3 x = -3/2 x = 2/3 x = 2 x = 4
    12·2 answers
  • Whats the interquartile range?
    8·1 answer
  • Line r is parallel to line t. Find the measurement of Angle 6. The diagram is not to scale.
    13·2 answers
  • Rewrite the expression 7(4+5) as the sum of 28 and another whole number
    9·1 answer
  • Ali receives a 10% pay
    10·1 answer
  • If the odds against an event happening are 40/89, what is the probability of the event happening?
    5·1 answer
  • Choose the equation below that represents the line passing through the point (−3, −1) with a slope of 4.
    14·1 answer
  • An airplane cruises 1 kilometer in 1/12
    8·1 answer
  • Please help ASAP or ill fail i already am
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!