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denis23 [38]
2 years ago
8

How much is N^2-10N+9

Mathematics
1 answer:
nataly862011 [7]2 years ago
6 0

Answer:

(n−9)(n−1)

Step-by-step explanation:

Consider the form x2+bx+c

. Find a pair of integers whose product is c and whose sum is b. In this case,product is 9

and whose sum is −10.−9,−

the factored form using these integers.(n−9)−1 )

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olga nikolaevna [1]

Answer:

The remainder is 8

Step-by-step explanation:

Let Jonah's Marble=x

If he arranges x marbles into y rows of 13 each, and there are remainders(R)

Then:

x/13=y+(R/13).....(I)

If he borrows 5 marbles from a friend, there will be no remainder. However, the number of rows y, will be increased by 1

New Total Marbles=x+5

(x+5)/13=y+1.....(ii)

x+5=13(y+1)

x=13y+13-5

x=13y+8

From (I)

x=13y+R

Comparing the values of x derived from (I) and (ii)

13y+R=13y+8

Therefore the Remainder, R= 8

5 0
3 years ago
Find the measure of angle 1
quester [9]

Answer:

120 degrees

Step-by-step explanation:

You can just eyeball that it is greater than 90 degreees so it must be 120 degrees.

4 0
2 years ago
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anzhelika [568]

Answer:

Lucey reads 10 pages fewer than Carey.

4 0
3 years ago
-64+ x = -90.3<br><br><br> PLEASE HELP ASAP!!:))
ludmilkaskok [199]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
What is the approximate area of a circle with a radius of 13cm? A.40.8cm² B.530.7cm² C.784cm² D.2461.8cm²
Gnesinka [82]
It would be B (530.7) because if you do 3.14 x 13 x 13 (Or to the second power) Then you get 530.66, the round to the nearest tenths 
4 0
3 years ago
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