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3 years ago

If 14 gallon of paint covers 1/12 of a wall, then how many quarts of paint are needed for the entire wall?

Mathematics

2 answers:

blondinia [14]3 years ago

7 0

Answer:

Step-by-step explanation:

if 1/4 = 3/12 then 3/12+ 3/12+ 3/12+ 3/12

i hope i did this right

Bad White [126]3 years ago

5 0

My best guess would bee 10 pints

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(a) has no solutions.<br><br>(b) has infinitely many solutions.<br><br>(c) has exactly one solution.

grandymaker [24]

Answer and Step-by-step explanation:

Given

ax + by = c

qx + ry = s

(a) the equation has no solutions if a/q = b/r ≠ c/s, when this happens, we say the system of equations has no solution. For example

x + y = 3

x + y = 5

Subtracting first equation from the second we have:

0 = 2 which is impossible.

(b) the equations have infinite solutions if a/q = b/r = c/s, for example

x + y = 2

Subtracting the first equation from the second we have

0 = 0, since this is always true, then it has infinite solutions.

x + y = 2

x – y = 1

Adding the first and second equation we have

2x = 3, we can get x from here and definitely y, so we have just one solution.

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3 years ago

Complete the steps to solve the inequality: 0.2(x + 20) – 3 > –7 – 6.2x Use the distributive property: Combine like terms: Us

Archy [21]

Answer:

Step-by-step explanation:

just did it on edgenuity.

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3 years ago

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Amira is solving the equation x2 – 6x = 1. Which value must be added to both sides of the equation to make the left side a perfe

Lorico [155]

Answer:

its 9

Step-by-step explanation:

I have gotten it correct on ED

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3 years ago

A small artichoke contains about 9 milligrams of vitamin C. It also contains about 15% of the recommended amount of vitamin C a

Tasya [4]

Answer:

Well well well.

Step-by-step explanation:

DONOVON

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3 years ago

WORTH 20 POINTS HELP

vfiekz [6]

Below represents the proof that the quadrilateral QRST is a parallelogram

<h3>How to prove that QRST is a parallelogram?</h3>

The coordinates are given as:

Q = (-1,-1)

R = (2,9)

S = (-4,5)

T = (-7,-5)

Calculate the length of each side using:

$d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}$

So, we have:

$QR = \sqrt{(-1 - 2)^2 + (-1 -9)^2} = \sqrt{109}$

$RS = \sqrt{(-4 - 2)^2 + (5 - 9)^2} = \sqrt{52}$

$ST = \sqrt{(-7 + 4)^2 + (-5 - 5)^2} = \sqrt{109}$

$TQ = \sqrt{(-7 + 1)^2 + (-5 + 1)^2} = \sqrt{52}$

The above computations show that opposite sides are equal.

Next, we determine the slope of each side using:

$m = \frac{y_2 -y_1}{x_2 -x_1}$

So, we have:

$QR = \frac{9 + 1}{2 + 3} = \frac{10}3$

$RS = \frac{5-9}{-4 - 2} = \frac{2}3$

$ST = \frac{5+5}{-4 + 7} = \frac{10}3$

$TQ = \frac{-5+1}{-7 + 1} = \frac{2}3$

The above computations show that opposite sides are parallel, because they have equal slope

Hence, the quadrilateral QRST is a parallelogram