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Mrac [35]
3 years ago
11

Can someone help me solve this need help on this ASAP

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
3 0
<h3>Given : </h3>

  • Radius of circle = 7 inches

<h3>To Find : </h3>

  • Circumference of circle = ?

<h3>Solution :</h3>

We are given radius, r = 7 inches

We know that :

Circumference = 2πr

⟹ Circumference = 2π × 7 inches

⟹ Circumference = 14π inches

Hence, circumference of circle is 14π inches.

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Help plz! Evaluate the following definite integral:<img src="https://tex.z-dn.net/?f=%5Cint%5Climits%5Ea_%7B-a%7D%20%7B%28a%5E%7
s344n2d4d5 [400]

Just use the power rule:

\displaystyle\int_{t=-a}^{t=a}(a^2-t^2)\,\mathrm dt=a^2t-\dfrac13t^3\bigg|_{t=-a}^{t=a}

We also could have use the fact that the integrand is even to write

\displaystyle\int_{t=-a}^{t=a}(a^2-t^2)\,\mathrm dt=2\int_{t=0}^{t=a}(a^2-t^2)\,\mathrm dt=2\left(a^2t-\dfrac13t^3\bigg|_{t=0}^{t=a}\right)

I'll continue with this expression since it's easier to evaluate (if only a little):

2a^3-\dfrac23a^3=\dfrac43a^3

7 0
3 years ago
596 divided by 3 using long divison
Basile [38]

Answer:

198.6 with the remaining 6

Step-by-step explanation:

596/3

596/3 = 198.666666667 as a decimal form

596/3 = 198.67 in 2 decimal places

596/3 = 198.7 to the nearest tenth

596/3 = 198.67 to the nearest hundredth

596/3 = 198.667 to the nearest thousandth

3 0
3 years ago
Consider the following set of equations:
Anna007 [38]
1.
-3y=-3x-9 \\&#10;y=x+3 \\ \\&#10;\hbox{substitute x+3 for y in the first equation:} \\&#10;-3(x+3)=-3x-9 \\&#10;-3x-9=-3x-9 \\&#10;-3x+3x=-9+9 \\&#10;0=0 \\&#10;always \ true \\ \\&#10;\boxed{\hbox{infinitely many solutions}} \Rightarrow "infinite \ solutions"

2.
y=x+4 \\&#10;y=3x+6 \\ \\&#10;y=y \\&#10;\boxed{x+4=3x+6} \Leftarrow \hbox{the step} \\&#10;x-3x=6-4 \\&#10;-2x=2 \\&#10;x=\frac{2}{-2} \\&#10;x=-1 \\ \\&#10;y=x+4 \\&#10;y=-1+4 \\&#10;y=3 \\ \\&#10;(x,y)=(-1,3)
3 0
4 years ago
Read 2 more answers
Jada fills the bathtub before taking a bath and then allows the water to drain when she is done. The graph below models the numb
g100num [7]

The number of gallons of water in the bathtub is a function of time. Therefore, it is true.

<h3>How to illustrate the graph?</h3>

The graph shows a curve that lets you find the number of gallons of water given any value of t betweeh 0 and 30 plus.

Hence, the number of gallons of time indeed is a function of time, in the interval shown by the graph.

The answer is true, because each t value is paired with exactly one number of gallons".

Learn more about graph on:

brainly.com/question/19040584

#SPJ1

5 0
2 years ago
Simplify. ( 8mn2 )-2 ( 12m
Y_Kistochka [10]
I think the answer is: 8mn^2-24m
4 0
3 years ago
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