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Levart [38]
3 years ago
8

Solve 9x-14-2x=5(2x-6)

Mathematics
1 answer:
deff fn [24]3 years ago
8 0

9x-14-2x=5(2x-6)\qquad\text{use distributive property}\\\\(9x-2x)-14=(5)(2x)+(5)(-6)\\\\7x-14=10x-30\qquad\text{add 14 to both sides}\\\\7x=10x-16\qquad\text{subtract 10x from both sides}\\\\-3x=-16\qquad\text{divide both sides by (-3)}\\\\\boxed{x=\dfrac{16}{3}}

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Joe deposit $4000 into an account that pays simple interest to rate of 2% per year how much interest would be paid in the first
fenix001 [56]
Answer is $240.00 because 2% of $4000 is 80. Multiply 80 by 3 years and you get $240.00
6 0
3 years ago
2/5+1/3=<br> What is the answer
Alex Ar [27]

Answer:

11/15 OR 0.73

Step-by-step explanation:

2/5 ---> 6/15

1/3 ---> 5/15

6/15 + 5/15 = 11/15

OR

2/5 ---> 0.4

1/3 ---> 0.33

0.4 + 0.33 = 0.73

4 0
2 years ago
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fiasKO [112]
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6 0
2 years ago
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Please help me!
dybincka [34]

Answer:

They are only equal on day 0, both having 10 population.

Step-by-step explanation:

Given the bacteria on the counter is initially measured at 5 and doubles every 3 days we can generate the following geometric equation:

f(x)=10*2^{\frac{x}{3} }

Given the bacteria on the stove is measured at 10 and doubles every 4 days we can create another equation:

f(x)=10*2^{\frac{x}{4} }

To find how many days it will take for the bacteria population to equal the same lets set both equations equal to eachother:

10*2^{x/3}=10*2^{x/4}

Divide both sides by 10

2^{x/3}=2^{x/4}

Since both exponents have the same base we can set the exponents equal to eachother and solve for x:

\frac{x}{3}=\frac{x}{4}

Multiply both sides by 3 to isolate x on the left side

x=\frac{3x}{4}

Multiply both sides by 4 to remove fraction

4x=3x

Subtract 3x to isolate x on the left side

x=0

Plug x into one of our original equations

f(0)=10*2^{0/3}

Solve

f(0)=10

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1 year ago
What is the main point of James Green's "Equal Pay Bill" letter?
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answer: D, Paying women as much as men is harmful to families and to society,

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8 0
2 years ago
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