The sum of two consecutive multiples of 10 is 210. The smaller multiple is .

The smaller multiple is 100.

Step-by-step explanation:

The smaller multiple is 100. Let us assume the two consecutive multiples of 10 be 10x and 10x + 10. Hence, the smaller multiple of 10 is 100

let the two consecutive multiples of 10 be x and x+10

the sum of two consecutive multiples of 10 is 210

x+x+10 = 210

2x+10 = 210

2x = 210-10

2x = 200

x = 200/2

x = 100

smallest multiple = x = 100

largest multiple = x+10 = 100+10 = 110

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-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

sine

step-by-step explanation: