1) 125 x□ = 2000
2) (12 x 11) - (11 x 11) =□
3) What are the factors of 165?
4)236 + 464 - 600 = □
5) 1 kg - 750 g = □g
6)200 - 156 = 4 x □
7)540 = □x 6
8)5006 + 924 =□
9)□ 101 = 909
10)60 tens = 125 + □+ 175
please help me .
Answers
Answer: 3) All Factors of 165: 1, 3, 5, 11, 15, 33, 55
and 165.
Negative Factors of 165: -1, -3, -5, -11,
-15, -33, -55 and -165.
Prime Factors of 165: 3, 5, 11.
Prime Factorization of 165: 31 × 51 × 111
Sum of Factors of 165: 288.
Answer:
Solution:
1) 125 × 16 = 2000
125
(×) 16
______
750
125
_______
2000
_______
2) (12 x 11) - (11 x 11) = 11
(12 × 11) = 132 - 121 = (11 × 11)
132
(-) 121
_____
011
___
3) What are the factors of 165?
165 factors 1, 3, 5, 11, 15, 33, 55, 165.
4)236 + 464 - 600 = 100
236
(+) 464
_________
700
_________
700
(-) 600
______
100
______
5) 1 kg - 750 g = 250g
1 kg = 1000g
1000
(-) 750
________
250
________
6)200 - 156 = 4 x 44
200
(-) 156
________
044
________
44 = 4 × 11
7)540 = 90 x 6
90
(×) 6
______
540
_______
8)5006 + 924 = 5930
5006
(+) 924
________
5930
_______
9)808 + 101 = 909
808
(+) 101
______
909
________
10)60 tens = 125 + 300 + 175
60 × 10 = 600
so, 600 = 125 + 300 + 175
125
300
(+) 175
_________
600
_________