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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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2,803 x 406. Estimate the product first. ≈ ________________ × ________________
Advocard [28]

Answer:

approximately 1,148,000

Step-by-step explanation:Round 2,803 to 2,800 and 406 to 410 then multiply 2,800 by 410

8 0
3 years ago
Insert three arithmetic means between 4 and 10.
Bumek [7]

Answer:

5.5, 7, 8.5

Step-by-step explanation:

Find the mean of 4 and 10, that is

\frac{4+10}{2} = \frac{14}{2} = 7

Now repeat with 4 and 7 and 7 and 10

\frac{4+7}{2} = \frac{11}{2} = 5.5

\frac{7+10}{2} = \frac{17}{2} = 8.5

Hence

4, 5.5, 7, 8.5, 10 ← is an arithmetic sequence with d = 1.5

4 0
3 years ago
Which statement justifies that x2 + 3x − 1 multiplied by 2x2 − 2x + 1 obeys the closure property of multiplication?
olya-2409 [2.1K]
(x² + 3x - 1)(2x² - 2x + 1)

x²(2x² - 2x + 1) + 3x(2x² -2x + 1) -1(2x² - 2x + 1)
2x^4 - 2x³ + x² + 6x³ - 6x² + 3x - 2x² + 2x - 1
2x^4 - 2x³ + 6x³ + x² - 6x² - 2x² + 3x + 2x - 1
2x^4 + 4x³ - 7x² + 5x - 1

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7 0
3 years ago
Read 2 more answers
Help please! thank u
Alexus [3.1K]
A is NOT a function because for some values of x you get more than one y value. For example if x=2 you get 2 values for y.
b is a function because for each x you get ONLY one y
5 0
3 years ago
Mia buys a watch while visiting her cousin in California. The sales tax in California is 10.25%.
netineya [11]

Answer:

  • $400

Step-by-step explanation:

<u>Let the watch price be x, then we have:</u>

  • 10.25% of x = 41 or
  • 0.1025x = 41

<u>Solve for x</u>

  • x = 41/0.1025
  • x = 400
8 0
3 years ago
Read 2 more answers
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