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Over [174]
3 years ago
11

Jack broke apart 5×216 as (5×200) + (5×16) to multiply mentally. What strategy did Jack use

Mathematics
1 answer:
adell [148]3 years ago
8 0
He used factoring to break it apart
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Use the information to answer the question.
Alona [7]

Answer:

13x^8 + 4x^5 - 16x^2 try this

Step-by-step explanation:

8 0
3 years ago
for any positive integer n, the sum of the first n positive integers equals n(n 1)/2. what is the sum of all the even integers b
marusya05 [52]

The sum of all the even integers between 99 and 301 is 20200

To find the sum of even integers between 99 and 301, we will use the arithmetic progressions(AP). The even numbers can be considered as an AP with common difference 2.

In this case, the first even integer will be 100 and the last even integer will be 300.

nth term of the AP = first term + (n-1) x common difference

               ⇒    300 = 100 + (n-1) x 2

Therefore, n = (200 + 2 )/2 = 101

That is, there are 101 even integers between 99 and 301.

Sum of the 'n' terms in an AP = n/2 ( first term + last term)

                                                = 101/2 (300+100)

                                                = 20200

Thus sum of all the even integers between 99 and 301 = 20200

Learn more about arithmetic progressions at brainly.com/question/24592110

#SPJ4        

7 0
1 year ago
Find the parabola of the form y = ax2 + b which best fits the points (1, 0), (3, 2), (4, 4) by minimizing the sum of squares, s,
DiKsa [7]
<span>S= (a+b)^2+(4a+b-2)^2+(9a+b-4)^2 98a+14b-44=0 14a+3b-6=0 a=24/49, b=-2/7 y = (24/49)x^2-(2/7)</span>
8 0
3 years ago
Can you complete the table and graph the parabola of y= x squared +4x + 4
solniwko [45]

Answer:

no

Step-by-step explanation:

7 0
3 years ago
How long will the spring be if a 2 pound weight is hung on it? Will the length double if you double the weight?
mars1129 [50]
Logically if you double weight on something it means that you are adding the exact same weight as the first object to the same thing to make it twice the weight as the original, so yes... the weight will double if the length is doubled
8 0
3 years ago
Read 2 more answers
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