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Salsk061 [2.6K]
4 years ago
7

Solve C=2

x-formula">r for r.
Mathematics
1 answer:
Gnoma [55]4 years ago
6 0
      C = 2πr      Divide both sides by 2π
C/2π = r           Switch the sides to make it easier to read
       r = c / 2π
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The following system has a solution: x=10, y=-3, z=14
wolverine [178]
<h2>Answer:</h2><h3>False</h3>

<h2>Step-by-step explanation:</h2>

In this problem, we have the following System of Three Equations in Three Variables, so our goal is to determine whether x=10, \ y=-3, \ z=14 is the solution to this system, that is, the ordered triple P(x,y,z) where three planes intersect.

The easier way to find the answer is to plug in the x, y and z values in the equations and figure out whether the equations satisfy the solutions. Then:

First \ Equation: \\ \\ 3(10)+7(-3)-14=-5 \\ \\ It \ satisfies \ the \ first \ equation \\ \\ \\ Second \ Equation: \\ \\ 9(10)-(-3)-4(14)=37 \neq 17 \\ \\ It \ doesn't \ satisfy \ the \ second \ equation

STOP HERE! Since the x, y an z values doesn't satisfy the second equation, the x=10, \ y=-3, \ z=14 is not the solution to the system of equations.

5 0
3 years ago
Sandra has the following data:
Ludmilka [50]

The number "R" could be "A" and "D" because the range is 14 it cant be "B" or "C"

5 0
2 years ago
Read 2 more answers
Evaluate the expression 4/15÷x+0.4 for x if: x=1, x=4/9, x=1 1/3. Solve for each X. I need help Will give brainliest!
Vadim26 [7]
X=1 -> 2/3
X=4/9 -> 1
X=1 1/3 -> 3/5
8 0
3 years ago
Use the area of a rectangle and the Distributive<br> Property to find each product.<br> 9 X 34
OLga [1]

Answer:

Step-by-step explanation:

Write 34 in tens and units.

34 = 30 + 4

9(30 + 4)

9 * 30 = 270

9* 4 = 36

270 + 36 = 306

After awhile if your practice enough, you can do them in your head.

5 0
3 years ago
A circular plate has a diameter of 11 inches. Which is closest tothe area of this plate? Show your work.A 17.3 square inchesC 95
monitta
Area of a circle= πr²

Data:
diameter=11 in

ratius=diameter/2=11 in/2=5.5 in

Area of this circular plate=π(5.5 in)²=30.25π in²=30.25 * 3.141592... in²≈
≈95.0 in².

answer :  c  95.0 in²
8 0
3 years ago
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