Step-by-step explanation:
1) As U is the mid point of TV ,it divides the whole line in two equal parts:
TV=TU+UV
TU=UV
Subtitute values:
5x+6=23+23
5x+6=46
5x=46-6
5x=40
x=40/5
x=8
2) Q is mid point of PR so PQ=QR
PR=PQ+QR
15x-29=6x-1+6x-1
15x-29=12x-2
15x-12x=29-2
3x=27
x=27/3
x=9
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Let us determine the product of 438 and 17 by partial products.
Consider
and
So,
=
= 7446
Therefore, the product of 438 and 17 is 7446.
No, Sandra's answer is not correct.
Because she should have expressed 17 as (10+7), then if she multiplied (438 by 10) and (438 by 7). And, then added the results.Then her answer would be correct.
Answer:
7+7=14, 6+6=12 and a lot more
Step-by-step explanation:
well if its 1/2x+34
it be 1/2 of 32 is 16+34 = 50 so
y=1/2x+34 is correct
Answer:
153
Step-by-step explanation:
K(9)=2*9^2-3
K(9)=2*81-3*3
K(9)=162-9
K(9)=153