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Yuri [45]
4 years ago
5

The Room is 20 feet by 25 feet and the ceiling is eight feet. What is surface area that would need to be painted in order to pai

nt the entire room?
Mathematics
1 answer:
Tanya [424]4 years ago
7 0

Answer:

I'm assuming you don't want to paint the floor.

1220

Step-by-step explanation:

25 * 8 = 200. Now we multiply that by 2 to get 400. Those are the 2 walls.

The ceiling is 25 * 20 = 500.

20 * 8 = 160. Now we multiply that by 2 to get 320. Those are the 2 walls.

500 + 400 + 320 = 1220

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Dominik [7]

Answer:

y = -3/2x + 3

Step-by-step explanation:

To figure out the equation, it is very simple:

First you must find the y-int

The y-int is the point where the line touches the y-axis

The only point that touches the y-axis is (0,3)

so the y-int is 3

Next we need to find the slope, which is rise over run

we must find how far one point is from another point

so we start from the point (0,3) on the y-axis, then we go down 3 and to the right 2 and we are on the point (2,0)

so the slope is -3/2, because the line is going downwards, not upwards

now we just put the equation together, in the slope intercept form

y-int = b = 3

slope = m = -3/2

y = mx + b

y = -3/2x + 3

3 0
3 years ago
Read 2 more answers
The solution set of the equation 3x2+x = 9 is
malfutka [58]

Answer:

x=3

Step-by-step explanation:

hope this helps

7 0
3 years ago
Help extra points really important to me ​
Naily [24]

Answer:

a.7(6xy-2z)

=7*6xy-7*2z

=42xy-14z

b.5(2w+3)-6(w+2)

=5*2w+5*3-6*w-6*2

=10w+15-6w-12

=4w+3

c.2f(2f+g-3)

=2f*2f+2f*g-2f*3

=4f^2+2fg-6f

Step-by-step explanation:

7 0
3 years ago
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How do you do this question?
daser333 [38]

Answer:

B. 1/2

Step-by-step explanation:

\lim_{z \to 0} \frac{g(z)e^{-z}-3}{z^{2}-2z}

If we plug in 0 for z, we get 0/0.  Apply l'Hopital's rule.

\lim_{z \to 0} \frac{-g(z)e^{-z}+g'(z)e^{-z}}{2z-2}

Now when we plug in 0 for z, we get:

\frac{-g(0)e^{0}+g'(0)e^{0}}{2(0)-2}\\\frac{-g(0)+g'(0)}{-2}\\\frac{-3+2}{-2}\\\frac{1}{2}

4 0
3 years ago
Beth, James and Buzz put their money together for a gift for their father on Father's Day. The gift cost them $75 all together.
Phoenix [80]

Hello!

We are told that the Father’s Day gift was $75, the cost of which was split between three people. This can be represented using the following equation:

(Beth) + (James) + (Buzz) = $75

We know that Beth and James each contributed $25. Now we can rewrite the equation with the given information and then simplify:

$25 + $25 + (Buzz) = $75

$50 + (Buzz) = $75

Now subtract $50 from both sides and simplify:

$50 (-$50) + (Buzz) = $75 (-$50)

Buzz = $25

We have now proved that Buzz contributed $25.

I hope this helps!

5 0
3 years ago
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