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trapecia [35]
3 years ago
9

Cuál es el área de superficie de una esfera con un diámetro de 10 mm ? Redondea al número entero más próximo

Mathematics
1 answer:
Liula [17]3 years ago
6 0

Step-by-step explanation:

¡Hola a todos!

Usa la fórmula para una esfera:

V=\frac{4}{3} \pi r^3

V=\frac{4}{3} \pi (125)\\V=523.59877 mm^3

No soy un hablante nativo de español, así que esto puede ser un poco confuso, ¡pero espero que ayude!

:)

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A cylinder container 18 inches tall and a diameter of 12 inches is completely filled with vanilla, chocolate, and strawberry ice
Jet001 [13]
If the diameter of the cylinder is 12 inches, then the radius is half that, or 6.

now, the flavors are on a ratio of 3:2:1, that simply means, we can just get the volume of the cylinder in total, and divide it by (3+2+1), and the vanilla flavor gets 3 of that quotient.

\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h~~
\begin{cases}
r=radius\\
h=height\\
-----\\
h=18\\
r=6
\end{cases}\implies V=\pi (6^2)(18)\implies V=648\pi

\bf \stackrel{vanilla}{3}~~:~~\stackrel{chocolate}{2}~~:~~\stackrel{strawberry}{1}
\\\\\\
\stackrel{vanilla}{3\cdot \frac{648\pi }{3+2+1}}~~:~~\stackrel{chocolate}{2\cdot \frac{648\pi }{3+2+1}}~~:~~\stackrel{strawberry}{1\cdot \frac{648\pi }{3+2+1}}
\\\\\\
\stackrel{vanilla}{324\pi }~~:~~\stackrel{chocolate}{216\pi }~~:~~\stackrel{strawberry}{108\pi }
5 0
3 years ago
Read 2 more answers
What is the value of p
Crank

Answer:

p = 61 degrees

Step-by-step explanation:

The sum of all angles that make up a striaght line is 180 degrees. To find p you just subtract the other angles from 180: 180 - 87 - 32 = 61.

7 0
3 years ago
5,000 is invested for 14 years with an apr of 5% and monthly compounding
ahrayia [7]

Answer:

$10054.69

Step-by-step explanation:

If the interest rate is 5% APR and monthly compounded, then the monthly interest rate is \frac{5}{12} = 0.4167\%.

Now, if the sum is invested for 14 years with a monthly compound, then the principal is compounded for (14 × 12) = 168 times.

Now, using the formula of compound interest, the principal of $5000 will give the sum of

5000(1 + \frac{0.4167}{100})^{168} = 10054.69 dollars. (Answer)

5 0
3 years ago
What is the value of the variable in the equation, r-17=22 *
aleksklad [387]

Answer:

Step-by-step explanation:

Example

With numbers

18+4=22

18+4−4=22−4

18=18

With variables and numbers

x+4=22

x+4−4=22−4

x=18

We subtract 4 from both sides. Example

Which of the following numbers is a solution to the equation? x = 2, 7,  or 8?

14−x=7

Here you are given the numbers 2, 7 and 8. One of these numbers will satisfy the equation. If you don't know the solution right away, you can investigate which of the given numbers gives results in the correct answer by plugging in the different values of x.

Answer: x=7

Example

8x=64

8⋅x=64

Which number should you multiply 8 by to get a product of 64? By using the multiplication table, we know that the number is 8.

8⋅8=64

When we solve an equation, we figure out what value of x (or any other variable) makes the statement true (satisfies the equation).

8 0
3 years ago
Read 2 more answers
Find the equation of a line perpendicular to y=−6 that contains the point (1,3). Write the equation in slope-intercept form
Temka [501]

Answer:

x=1

Step-by-step explanation:

Hi there!

We are given that a line is perpendicular to y = -6 and passes through the point (1, 3)

We want to write the equation of this line in slope-intercept form

Slope-intercept form is y=mx+b, where m is the slope and b is the value of y at the y intercept, hence the name

First, we need to find the slope (m) of the line

Remember that we were given that the line is perpendicular to y = -6

Perpendicular lines have slopes that multiply to get -1

The slope of y = -6 is 0; therefore, to find the slope of this line, we can do the following equation

0m=1

Divide both sides by 0

m = 1/0

This answer is undefined - therefore, the line has an undefined slope

If this is the case, then it means the line is a vertical line

A vertical line is written as x=k, where k is the value of x at the x intercept. It can't be written in slope-intercept form.

This value is also the value of x at every point that lies on such line - in this case, as given by the point (1, 3) , this value is 1

So substitute 1 as k.

x = 1

This is the line of the equation.

Hope this helps!

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2 years ago
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