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3 years ago

Justin used 3/4 of a gallon of paint on 3/4 of a wall. How many gallons does he need for one wall?

Mathematics

2 answers:

blondinia [14]3 years ago

7 0

Answer:

Step-by-step explanation:

1/4

Yanka [14]3 years ago

3 0

Answer:

Justin need 1

Step-by-step explanation:He needs 1 because if he uses 3/4 of a galllon on 3/4 of a wall if your adding another part in this is 1/4 you add that to both so its 1 hope i could hellp!

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Solve 5x(x-6)(4x+9)=0

xxTIMURxx [149]

Greetings and Happy Holidays!

Solve for x.
$5x(x-6)(4x+9)=0$ <span>

Distribute the parenthesis:
</span> $5x(x-6)(4x+9)=0$

$(5x^2-30x)(4x+9)=0$

$(20x^3-120x^2)+(45x^2-270x)=0$

Combine like terms:
$20x^3-75x^2-270x=0$

Factor out GCF (5x):
$5x(4x^2-15x-54)=0$

Factor the Complex Trinomial:
$5x(4x^2+9x-24x-54)=0$

$5x(x(4x+9)-6(4x-9))=0$

$5x((4x+9)(x-6))=0$

Set Factors to Equal 0:
$5x=0$

$x=0$

or

$4x+9=0$

$4x=-9$

$x=\frac{-9}{4}$

or

$x-6=0$

$x=6$

The Answers Are:
$\boxed{x=0} \\ \boxed{x= \frac{-9}{4}} \\ \boxed{x=6}$

I hope this helped!
-Benjamin

8 0

3 years ago

-5 1/2 + 6 3/4 + (-4 1/4) =

Sergeeva-Olga [200]

Answer:

-3

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Which zero pair could be added to the function fon) = x2 + 12x + 6 so that the function can be written in vertex form?

Oksanka [162]

ANSWER

36,-36

EXPLANATION

The given function is:

$f(x) = {x}^{2} + 12x + 6$

To write this function in vertex form;

We need to add and subtract the square of half the coefficient of x.

The coefficient of x is 12.

Half of it is 6.

The square of 6 is 36.

Therefore we add and subtract 36.

Hence the zero pair is:

36, -36.

The correct answer is D.

4 0

3 years ago

Read 2 more answers

In a sale there is 25% off all prices. A chair costs Â£45 in the sale. How much was it before the sale?

garri49 [273]

Answer:

60 pounds

Step-by-step explanation:

Let the normal price be p. The "25%-off" sale price is then 0.75p, and this 0.75p equals 45 pounds. Dividing both sides by 0.75 results in p = 60 pounds.

3 0

3 years ago

Please help this is just one question and I'm really busy, it will mean the world if u helped me on this. ( Exit Ticket )

Georgia [21]

Step-by-step Answer explanation:

if every 1 gallon equal 4 quarts then 5 gallons is the same 20 quarts and since it said for every 1 quart equals 2 bucks and if thats true then 20 quarts equals

40$

6 0

3 years ago