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muminat
3 years ago
5

Solve: n/4-1=n/5 .·(>▂<)·.

Mathematics
1 answer:
juin [17]3 years ago
3 0
\dfrac{n}{4}-1=\dfrac{n}{5}\\&#10;5n-20=4n\\&#10;5n-4n=20\\&#10;n=20
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Two positive, consecutive, odd integers have a product of 143.
zhannawk [14.2K]

Answer:

<em>The answer is 13</em>

Step-by-step explanation:

Two positive and consecutive old numbers are x and x - 2.

=> x(x - 2) = 143

=> x^2 - 2x - 143 = 0

=> x^2 + 11x - 13x - 143 = 0

=> x(x + 11) - 13(x + 11) = 0

=> (x + 11)(x - 13) = 0

=>  x = -11 (invalid)

or x = 13 (valid), the remaining number is 13 - 2 = 11

=> The two numbers are 11 and 13, and the greater number is 13.

Hope this helps!

:)

7 0
3 years ago
Solve the inequality
exis [7]
N<6  is the answer I think

3 0
3 years ago
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Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days
zavuch27 [327]

Answer:

3.375 miles

Step-by-step explanation:

Each day Maria walks 0.75 miles, so if she walks for 4.5 days, then 0.75*4.5= 3.375 miles.


7 0
3 years ago
Read 2 more answers
Write a relationship for a function whose k(x) values are 5 more than four times the principal square root of x .
bearhunter [10]

Answer:

k(x)=5+4\sqrt{x}

Step-by-step explanation:

Write a function whose k(x) values are 5 more than four times the principal square root of x.

So,

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four times the principal square root of x =4\sqrt{x};

5 more than four times the principal square root of x =5+4\sqrt{x};

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k(x)=5+4\sqrt{x}

4 0
2 years ago
513 as a percentage of 900
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513 as a percentage of 900 can be re-written as;
\frac{513}{900} *100
= 57 percent
5 0
3 years ago
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