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arsen [322]
2 years ago
5

Compute the following without using a calculator. You must show your work to receive full credit.

Mathematics
1 answer:
Tomtit [17]2 years ago
3 0

Answer: 50,001²-49,999²=0,2.

Step-by-step explanation:

50,001^2-49,999^2=(50,001+49,999)*(50,001-49,999)=100*0,002=0,2.

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What is the tenth term in the sequence 9, 13, 17, 21, 25…?
Zinaida [17]

Answer:

45

Step-by-step explanation:

9, 13, 17, 21, 25

We are adding 4 each time

9+4 = 13

13+4 =17

17+4 = 21

The common difference =4

a1 = 9

The formula is

an = a1+d(n-1) where n is the term number

an = 9+4(n-1)

We want the 10th term

a10 = 9+4(10-1)

     = 9+4(9)

    = 9+36

   = 45

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2 years ago
The perimeter of a rectangle must be greater than 70 cm, but the length cannot be greater than 30 cm and the width cannot be gre
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Find the value for the following determinant.<br><br> 5<br> -5<br> -11
s2008m [1.1K]

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Step-by-step explanation:

5 0
2 years ago
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Which expression is equivalent to 2
marta [7]

Answer:

1+1 = 2

Step-by-step explanation:

5 0
3 years ago
What is the length of XQY?
yulyashka [42]

Answer:

88

Step-by-step explanation:

First you must find the circumference of the entire circle and to do this you use 2πr. The radius in this case is PX=15. This means that the circumference is 30π. Now to find the arc length, we know that the measure of arc XY is 23 degrees, and since there are 360 total degrees in a circle, we must subtract 23 from 360 to get 337° as the measure of arc XQY. Now we have to find what portion of the circumference of the circle is in this arc, and to do this you divide the arc length (337°) by 360° and multiply by the circumference of the circle. Doing this would get you \frac{337}{360} *30\pi which equals ~28. Finally, you have to multiply this by the value of pi and get approximately 88, which is your answer.

3 0
3 years ago
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