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sveta [45]
2 years ago
14

X+6y=28, solve for y

Mathematics
2 answers:
m_a_m_a [10]2 years ago
5 0

Answer:

y = -\frac{x}{6} + \frac{14}{3}

Step-by-step explanation:

So when you're solving for y you want to get y by it self meaning there should be nothing with y, including any coefficients. The first step is to usually move any terms to the other side and then divide by the coefficient of y so y "technically doesn't" have a coefficient, while it does, but that coefficient 1, so it doesn't really mean much.

Subtract x from both sides

6y = -x+28

Divide both sides by 6

y = -\frac{x}{6} + \frac{14}{3}

Greeley [361]2 years ago
5 0
The answer is x=4. Hope this helps!!
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A seed company planted a floral mosaic of a national flag. The perimeter of flag is 2,340 ft determine the flag’s width and leng
Natali5045456 [20]

Answer:

Width: 450 feet

Length: 720 feet

Step-by-step explanation:

So we start with the equation to find the perimeter -

2l + 2w = p

l = length

w = width

p = perimeter

We insert the 2,340 ft as the perimeter -

2l + 2w = 2,340 ft

Now we find another equation for the "length is 270 ft greater than width" -

l = 270 ft + w

Using substitution, we substitute the y in the first equation with 270 ft + w -

2 (270 ft + w) + 2w = 2,340 ft

540 ft + 2w + 2w = 2,340 ft

540 ft + 4w = 2,340 ft

4w = 2,340 ft - 540 ft

4w = 1,800 ft

w = 1,800 ft / 4

w = 450 ft

Now to find the width we substitute the w with 450 ft -

l = 270 ft + w

l = 270 ft + 450 ft

l = 720 ft

Check -

2 * 720 ft + 2 * 450 ft = 2,340 ft

1,440 ft + 900 ft = 2,340 ft

2,340 ft = 2,340 ft  (Correct)

3 0
3 years ago
A thermometer reading 7 °C is brought into a room with a constant temperature of 34°C. If the thermometer reads 14 °C after 4 ​m
never [62]
For this case we are going to define the following variable:
 x: time in minutes
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 t (x) = (14/4) x + 7
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 t (6) = (14/4) * (6) + 7
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t (6) = 28 ° C
 
t (11) = 45.5 ° C
6 0
3 years ago
Alex and glen share a 30 ounce bucket of clay by the end of the week alex has used 1/10 of the bucket and glen has used 2/5 of t
Mamont248 [21]

Answer:

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Step-by-step explanation:

6 0
2 years ago
Hi algebra is hard please help: The expression (8x+ 4) inches represents the perimeter of a rectangle whose width is (3x − 4) in
Bess [88]

Answer:

Length = 4 inches

Step-by-step explanation:

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If x = 2

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= 16 - 4

= 12 inches

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12 = 2(length + 2)

12 = 2length + 4

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8 = 2 length

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8 0
2 years ago
Whats the value of the expression below<br> 36÷(<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%5E%7B5%7D%20%7D%7B8%7D" id="TexFor
JulijaS [17]
The answer is what that guys said





(Also what grade is this?)
4 0
3 years ago
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