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Elodia [21]
3 years ago
7

Maths equations questions

Mathematics
2 answers:
bezimeni [28]3 years ago
4 0

Answer:

x=2/3

Step-by-step explanation:

3x/2-1/2=1/3+x/4

3x/2-x/4=1/3+1/2

6x/4-x/4=2/6+3/6

5x/4=5/6

5x=5/6*4

x=5/6*4/5

x=2/3

CaHeK987 [17]3 years ago
3 0

Answer:

x = \frac{2}{3}

Step-by-step explanation:

Given

\frac{3x}{2} - \frac{1}{2} = \frac{1}{3} + \frac{x}{4}

Multiply through by 12 ( the LCM of 2, 3 and 4 ) to clear the fractions

18x - 6 = 4 + 3x ( subtract 3x from both sides )

15x - 6 = 4 ( add 6 to both sides )

15x = 10 ( divide both sides by 15 )

x = \frac{10}{15} = \frac{2}{3}

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Answer:  rate is a ratio that is used to compare different kinds of quantities. A unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity.

7 0
3 years ago
Blake eats two bags of potato chips each day. Blake's hourly wage increases from $8 to $15 , and he decides to stop eating gener
dimulka [17.4K]

Answer:

E = 1.09

Step-by-step explanation:

Elasticity measures the sensitivity of demand with changes in income.

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So, now, we have:

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Now, Elasticity (E) is:

E = [(1-2)/(1+2)]/[(15-8)/(15+8)]

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E = 1.09

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4 years ago
Write the chemical symbol for the ion with 12 protons and 10 electrons
kompoz [17]
MG+2 your welcome :)
6 0
3 years ago
How can the properties of rational exponents be applied to simplify expressions with radicals or rational exponents
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3 0
3 years ago
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Kraig deposited money into a money market account. It has an interest of 12% and is compounded annually. Kraig thought 3% would
Klio2033 [76]

Answer:

<u>If the amount is P, with the interest rate of 12%, the interest over the year is:</u>

  • P*(1.12) - P = 0.12P

<u>In this case the quarterly interest rate is:</u>

  • 0.12P/4 = 0.03P

<u>With the same amount and 3% quarterly rate, the yearly interest would be:</u>

  • P*(1.03)^4 - P = 0.1255P

<u>The quarterly interest rate in this case is:</u>

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If the quarterly interest rate is r, it should be little less than 3% to yield a 12% yearly rate.

So Kraig is wrong.

7 0
3 years ago
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