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3 years ago

11

The table shows the results of spinning a four colored spinner 50 times. Find the experimental probability and express it as a d

ecimal.
P=(Not Red)
Color- (Red-20) (Blue-10) (Green-9) (Yellow-11)
Answers:
0.6
0.4
0.2
0.3
Tysm!!

1 answer:

gogolik [260]3 years ago

5 0

Red is 20 and you spin it 50 times so 2/5 chance is red so that makes 3/5 chance not red

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Determine if the following system of equations has no solutions ......................

topjm [15]

Answer:

No solutions

Step-by-step explanation:

3x+4y=-4

15x+20y=-22

——————————

-5(3x+4y)=-5(-4) multiply 1st equation by -5 so you can eliminate the variables

-15x-20y=20. Modified 1st equation

15x+20y=-22. 2nd equation

0+0=-2. Added two equations together

since 0 does not equal -2, there is no solution.

8 0

2 years ago

Show that ( 2xy4 + 1/ (x + y2) ) dx + ( 4x2 y3 + 2y/ (x + y2) ) dy = 0 is exact, and find the solution. Find c if y(1) = 2.

fredd [130]

$\dfrac{\partial\left(2xy^4+\frac1{x+y^2}\right)}{\partial y}=8xy^3-\dfrac{2y}{(x+y^2)^2}$

$\dfrac{\partial\left(4x^2y^3+\frac{2y}{x+y^2}\right)}{\partial x}=8xy^3-\dfrac{2y}{(x+y^2)^2}$

so the ODE is indeed exact and there is a solution of the form $F(x,y)=C$ . We have

$\dfrac{\partial F}{\partial x}=2xy^4+\dfrac1{x+y^2}\implies F(x,y)=x^2y^4+\ln(x+y^2)+f(y)$

$\dfrac{\partial F}{\partial y}=4x^2y^3+\dfrac{2y}{x+y^2}=4x^2y^3+\dfrac{2y}{x+y^2}+f'(y)$

$f'(y)=0\implies f(y)=C$

$\implies F(x,y)=x^2y^3+\ln(x+y^2)=C$

With $y(1)=2$ , we have

$8+\ln9=C$

so

$\boxed{x^2y^3+\ln(x+y^2)=8+\ln9}$

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2 years ago

Barbie is thinking of a number 20 less than one-third of the number is 72 find barbie's number

ExtremeBDS [4]

Let x = Barbie's number
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3 years ago

Can 30 ounces and 3 pints be expressed as a ratio in simplest form

Bas_tet [7]

30 divided by 3 = 10
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10:1

7 0

3 years ago

KCCO, Inc., has current assets of $6,000, net fixed assets of $25,100, current liabilities of $4,950, and long-term debt of $12,

Arlecino [84]

The value of the company's shareholder's equity account is $14,150

<u>Explanation</u>

We know that:

Current Assets = $6,000

Net Fixed Assets = $25,100

⇒ Total Assets = Current Assets + Non-current assets

Net Fixed Assets is a non-current asset

⇒ Total Assets = Current Assets + Net Fixed Assets

⇒ Total Assets = 6,000 + 25,100

⇒ Total Assets = $31,100

Current Liabilities = $4,950

Long-term debt = $12,000

⇒ Total Liabilities = Current Liabilities + Non-current Liabilities

Long-term debt is a non-current liability

⇒ Total Liabilities = Current Liabilities + Long-term debt

⇒ Total Liabilities = 4,950 + 12,000

⇒ Total Liabilities = $16,950

Now, Shareholder's Equity = Total Assets - Total Liabilities

⇒ Shareholder's Equity = 31,100 - 16,950

⇒ Shareholder's Equity = $14,150

5 0

3 years ago