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Svetradugi [14.3K]
3 years ago
15

If 9 exercise books books cost N540.00 how many will 14 of such cost.​

Mathematics
2 answers:
Mashutka [201]3 years ago
8 0

Answer: 14 books will cost 840$

Step-by-step explanation: 540/9=60

60= cost of individual book

60*14=840

840= cost of 14 books

Nataliya [291]3 years ago
5 0

Answer:

840

Step-by-step explanation:

im probably wrong

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2 years ago
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6.Angle 30degrees + x is equal to 180 degrees. Find x
Harrizon [31]
The answer is 150 because 30+150=180
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I need help with #22-23
alina1380 [7]

Answer:

Step-by-step explanation:

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3 years ago
Please help me. these problems<br>​
jeyben [28]

Answer:

1st problem:

Converges to 6

2nd problem:

Converges to 504

Step-by-step explanation:

You are comparing to \sum_{k=1}^{\infty} a_1(r)^{k-1}

You want the ratio r to be between -1 and 1.

Both of these problem are so that means they both have a sum and the series converges to that sum.

The formula for computing a geometric series in our form is \frac{a_1}{1-r} where a_1 is the first term.

The first term of your first series is 3 so your answer will be given by:

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The second series has r=1/6 and a_1=420 giving me:

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3 0
3 years ago
Find the value of x. Round you answer to the nearest tenth.<br> 20<br> 18<br> X
Zielflug [23.3K]

Answer:

  21.9

Step-by-step explanation:

The altitude of an isosceles triangle bisects the base. So, x represents the hypotenuse of a right triangle with legs of 9 and 20. It can be found using the Pythagorean theorem:

  x^2 = 9^2 +20^2 = 81 +400

  x = √481 ≈ 21.932

The length x is about 21.9 units.

4 0
3 years ago
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