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Ivahew [28]
4 years ago
11

If 3/4 gallon of paint covers 1/3 of a wall then how much paint is needed for the entire wall

Mathematics
2 answers:
NeX [460]4 years ago
7 0

Answer:

2 1/4 gallons

Step-by-step explanation:

If 3/4 covers 1/3 of the wall, you need to multiply 3/4 by 3, which gives you 9/4, or 2 1/4 gallons

Hope this helps

ludmilkaskok [199]4 years ago
4 0

Hey!

------------------------------------------------

If 3/4 gallon of paint covers 1/3 of the wall then you just need to multiply.

3/4 * 3/1 = 9/4 = 2 1/4

------------------------------------------------

Hence, you would need \Large\boxed{\mathsf{2~1/4}} gallons of paint!

------------------------------------------------

Hope This Helped! Good Luck!

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Can anyone help me, i will give brainiest.
laila [671]

Answer: ∠DOB: 48°

Step-by-step explanation:

1. we need an equation first. the sum of all angles (108°, n°, 2n°) is equal to 180°. we can depict this with the equation: 108°+2n°+n°=180°

2. now we can solve for the missing variable, n.

108°+3n°=180° → subtract both sides by → 3n°=72° → divide both sides by 3 → n=24°

3. now that we know that n=24°, we can solve the value of ∠DOB. we can see that ∠DOB is 2n° which we just plug the number we got for n into the equation. 2*24=48° meaning ∠DOB is 48°

hope this heped! ♡

7 0
2 years ago
Read 2 more answers
The perimeter of a rectangle is 42 cm. The width is 7 cm less than the length.
lara [203]

Answer:

<h2>Length = 14</h2><h2>Width =7</h2>

Step-by-step explanation:

Let \:the\:length\:be \:x\\Perimeter = 42 cm\\Width = x -7\\\\P = 2(l+b)\\\\42 = 2(x+(x-7))\\\\42 = 2(x +x-7)\\42 = 2(2x-7)\\42 = 4x -14\\Collect\:like\:terms\\\\42+14=4x\\56 = 4x\\\\Divide \:both\:sides\:of\:the\:equation\:by \:4\\\frac{56}{4} = \frac{4x}{4} \\\\14 =x\\Length = 14\\Width = x-7\\Width = 14-7\\\\Width = 7

7 0
3 years ago
Read 2 more answers
Riley makes a mistake in step 2 while doing her homework. What was her mistake? StartFraction x Over x squared minus 5 x + 6 End
kobusy [5.1K]

Answer:

The answer is:

She used the wrong common denominator

Step-by-step explanation:

Solving the given equation

\frac{x}{x^2-5x+6}+\frac{x}{x+3}\\\\Step 1: \frac{x}{(x-2)(x-3)}+\frac{x}{x+3}\\Step2: \frac{x}{(x-2)(x-3)}+\frac{x(x-2)}{(x-2)(x+3)}\\Step3:\frac{x(x+3)+x(x-2)(x+3)}{(x-2)(x-3)(x+3)}

Lets consider the steps given in the question:

Step2: \frac{x}{(x-2)(x+3)}+\frac{3(x-2)}{(x-2)(x+3)}

Step3: \frac{x+3(x-2)}{(x-2)(x+3)}\\

Lets compare both solutions:

In the original solution, the denominator of first term is (x-2)(x-3)

In the solution given in the question, the denominator of first term is (x-2)(x+3).

So the mistake she did in step 2 was that she change the sign of 3 in (x-3) from negative to positive, due to which she gets the wrong common denominator shown in Step 3.

7 0
4 years ago
Read 2 more answers
g A CD player with an original price of $380.00 is on sale at 35% off. What is the discount amount and the CD player sale price?
inna [77]

Answer:

Cost: $247

Discount: $133

Step-by-step explanation:

Simply multiply 380 and 35% off together to get your answer:

380(1 - 0.35)

380(0.65)

247

To find the discount amount, simply subtract the 2 numbers to get your answer:

380 - 247 = 133

4 0
3 years ago
98 Points!!<br><br> Please help me.<br> Thank you.
leva [86]

Answer:

If you go on khan academy it helps A LOT!!! Sorry I can't be of more help... I push this tramatic stuff out of my head after the lesson XD

3 0
3 years ago
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