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sp2606 [1]
3 years ago
9

HELP WILL MARK BRAINLIEST Paul wants to paint all four of his basement walls . Each gallon covers 400 sq feet . The dimensions o

f the basement are 25’ by 30’. The walls are 8’ high how many gallons of paint will Paul need to complete the job if he’s only paining one coat ?
Mathematics
1 answer:
solmaris [256]3 years ago
8 0

Answer:

Pual needs 3 gallons

Step-by-step explanation:

∵ The dimensions of the four walls are:

   25 × 8 , 30 × 8 , 25 × 8 , 30 × 8

∴ The area of painting = 2(25 × 8) + 2(30 × 8)

                                     = 400 + 480 = 880 square feet

∵ each gallon paint 400 square feet

∴ The number of gallons = 880/400 = 2.2, so he needs 3 gallons

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Using appropriate properties, find the value of 249² - 248²
Lady_Fox [76]

Answer:

\boxed{\bold{\huge{\boxed{497}}}}

Step-by-step explanation:

=> \sf 249^2 - 248^2

<u>Using Formula</u> \sf a^2 - b^2 = (a+b)(a-b)

<u><em>Where </em></u>

a = 249

b = 248

=> \sf (249+248)(249-248)

=> \sf (497)(1)

=> 497

3 0
3 years ago
When the positive integer n is divided by 7, the remainder is 2. What is the remainder when 5n is divided by 7?
ser-zykov [4K]

Therefore the reminder is 3 when 5n is divided by 7.

Step-by-step explanation:

we know that

Dividend = quotient × Divisor +Reminder

⇔ n = Q(n) × 7 + 2          [ let Q(n)  is quotient]

multiplying by 5 both sides

5n = 5 Q(n) ×7 + 2×5

⇔5n = 5 Q(n) ×7 +10

⇔5n=  5 Q(n) ×7 +7 +3

⇔ 5n = (5Q(n) +1) × 7 +3

Therefore the reminder is 3 when 5n is divided by 7.

6 0
3 years ago
What is 3/5+3/8 in simplest form
schepotkina [342]
The answer would be 39/40.

1. Find the LCD of both of the fractions (LCD = 40)

2. Make the denominators the same as LCD (The LCD would be 40)

3. Simplify (24/40 + 15/40)

4. Join the denominators
(24 + 15/40)

5. Simplify (39/40)

In decimal form its 0.975.
5 0
3 years ago
Y=x+2<br> x-y=2<br> What is the solution
Alisiya [41]

Answer:

No solutions.

Step-by-step explanation:

x - y = 2   <Start with an equation

x - (x + 2) = 2   <Plug in the given y value and solve for x

x - x - 2 = 2   <Combine like terms

0 - 2 = 2   <There are no values of x

No solutions.

8 0
3 years ago
Q. 1 Similar triangles have corresponding angles that are congruent and
andriy [413]
I think B similar but you can use quizzing to find the answer that always gives you answers to the WHOLE quizz
8 0
3 years ago
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