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WITCHER [35]
3 years ago
11

Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .

Mathematics
1 answer:
MrRissso [65]3 years ago
4 0

Formula for the area of a face of a cube: A = length x width

Let's find the area of one face.

A = 5 x 5

A = 25

Now, let's multiply the area of one face by 6 because a cube has 6 faces.

25 x 6 = 150

A = 150 square centimeters

Hope this helps! :)

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a museum opened at 8:00 am. in the first hour 350 people purchased admission tickets. in the 2nd hour 20% more people purchased
Levart [38]

Okay, so we already know that 350 people purchased tickets in hour 1:

17.50(350 + ?) = ?

The question states that in the 2nd hour, there was 20% more people. So basically, we solve for 120% of the people from the 1st hour:

17.50(350 + 1.2(350)) = ?

Multiply 1.2 by 350:

17.50(350 + 420) = ?

Add:

17.50(770) = ?

Multiply:

17.50(770) = 13475

$13,475 was the total amount of money.



5 0
3 years ago
Consider the equation -12x+4y=48=0 <br> find the y value and the y intercept of the line.
Nutka1998 [239]

Answer:

y=3x+12, y- intercept is 12

Step-by-step explanation:

-12x+4y=48

+12x        +12x

4y=12x+48

divide by 4

y=3x+12

4 0
3 years ago
3xy'+y=12x find general solution
Eduardwww [97]
The equation is linear, as you can write

3xy'+y=12x\implies y'+\dfrac1{3x}y=4

An integrating factor would be

\mu(x)=\exp\left(\displaystyle\int\frac{\mathrm dx}{3x}\right)=x^{1/3}

Multiplying both sides of the ODE by this yields

x^{1/3}y'+\dfrac1{3x^{2/3}}y=4x^{1/3}

where the LHS is a derivative:

\dfrac{\mathrm d}{\mathrm dx}\left[x^{1/3}y\right]=4x^{1/3}

Integrating both sides, we get

x^{1/3}y=4\displaystyle\int x^{1/3}\,\mathrm dx
x^{1/3}y=3x^{4/3}+C
y=3x^{3/3}+Cx^{-1/3}=3x+\dfrac C{x^{1/3}}
5 0
3 years ago
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Sphinxa [80]

Answer:

2020 edge

Step-by-step explanation:

use what u learned

3 0
3 years ago
PLEASE HELP ME!! quick geometry!!
Serjik [45]

Answer:

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90°

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