First of all, you need to simplify the expressions in order to know whether they are equal. Then, it all depends on the expression, after you simplify an expression, it will seem much easier to determine that. <span />
Answer:
The average speed of a sprinter would be 8m/s (meters per second).
Step-by-step explanation:
200/25 = 8
Answer:
Step-by-step explanation:
Given
Required
Determine the length of LS
Since H is between L and S, then
Substitute 14x - 21 for LS, 15 for LH and 8x for HS
Collect Like Terms
Divide both sides by 6
Substitute 6 for x in
<em>Hence, the length of LS is 63 units</em>
Step-by-step explanation:
Có 7 mặt phẳng
5 mặt phẳng của hình chóp S.ABCD và (SAC), (SBD)
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y = 7 which you subtract from 2x which means 2 times x so you use all of those as the value of 2 to see what the answer would be after you multiply it by 2
