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ludmilkaskok [199]
3 years ago
14

What is the missing number? x-3=72? Need help

Mathematics
2 answers:
AlladinOne [14]3 years ago
8 0
Add 3 to 72... so 3 plus 72 is 75

X=75
Zinaida [17]3 years ago
6 0

Answer:

x=111

Step-by-step explanation:

Add 39 to both sides to isolate the variable

x-39=72

+39    +39

x=111

Hope this helps! :)

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find an equation of the line satisfying the given condition in standard form . Vertical: through (-8,2)
Ilya [14]

Answer:

x = - 8

Step-by-step explanation:

vertical line : x = -8

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3 years ago
40oz= lb need to be converted
alekssr [168]
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Find the solution of the given initial value problem in explicit form. y′=(1−5x)y2, y(0)=−12 Enclose numerators and denominators
Nata [24]

Answer:

The solution is y=-\frac{12}{12x-30x^2+1}.

Step-by-step explanation:

A first order differential equation y'=f(x,y) is called a separable equation if the function f(x,y) can be factored into the product of two functions of x and y:

f(x,y)=p(x)h(y)

where p(x) and h(y) are continuous functions.

We have the following differential equation

y'=(1-5x)y^2, \quad y(0)=-12

In the given case p(x)=1-5x and h(y)=y^2.

We divide the equation by h(y) and move dx to the right side:

\frac{1}{y^2}dy\:=(1-5x)dx

Next, integrate both sides:

\int \frac{1}{y^2}dy\:=\int(1-5x)dx\\\\-\frac{1}{y}=x-\frac{5x^2}{2}+C

Now, we solve for y

-\frac{1}{y}=x-\frac{5x^2}{2}+C\\-\frac{1}{y}\cdot \:2y=x\cdot \:2y-\frac{5x^2}{2}\cdot \:2y+C\cdot \:2y\\-2=2yx-5yx^2+2Cy\\y\left(2x-5x^2+2C\right)=-2\\\\y=-\frac{2}{2x-5x^2+2C}

We use the initial condition y(0)=-12 to find the value of C.

-12=-\frac{2}{2\left(0\right)-5\left(0\right)^2+2C}\\-12=-\frac{1}{c}\\c=\frac{1}{12}

Therefore,

y=-\frac{2}{2x-5x^2+2(\frac{1}{12})}\\y=-\frac{12}{12x-30x^2+1}

4 0
3 years ago
Is 1/2 greater than 1/3
storchak [24]

To find whether 1/2 is greater than 1/3, it is important to convert them to decimals. By converting them to decimals, we can visually understand the number that is greater.
1/2 = 0.5
1/3 = 0.33
So from the above deduction we can conclude that 1/2 is greater than 1/3. I hope the procedure is not that complicated for you to understand. You can always use this procedure for finding the answer to similar kind of questions in future without requiring any help from anyone else.
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Skye would have ran 13 laps
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