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Question:
Select the three expressions that are equivalent to :
a:
b:
c:
d:
Answer:
a:
c:
d:
Step-by-step explanation:
Given
:
Required
Find equivalent expressions
<em>To solve this question; we'll simplify options a to do, one after the other</em>
a:
From laws of indices;
This implies that;
From laws of indices;
This implies that
Hence, is equivalent to
b.
From laws of indices;
This implies that
From laws of indices;
This implies that
Hence; is not equivalent to
c.
From laws of indices;
This implies that
Hence, is equivalent to
d.
From laws of indices;
This implies that
From laws of indices;
This implies that
Hence, is equivalent to
Answer:
40 dollars
Step-by-step explanation:
Profit is what he earned minus his costs
Profit = 125 -85
Profit = 40
The domain is
and the range is
Domain is x values (horizontal axis), while range is y values (vertical axis). On a line like this one, domain is calculated from the left most point to the right most, while range is calculated from the down most to the upmost.
Because this line is a solid line rather than a dotted line, less than or equal to
signs are used rather than just
less than signs.
Answer:
x=14
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
−1/5(x−4)=−2
(−1/5)(x)+(−1/5)(−4)=−2(Distribute)
−1/5x+4/5=−2
Step 2: Subtract 4/5 from both sides.
−1/5x+4/5−4/5=−2−4/5
−1/5x=−14/5
Step 3: Multiply both sides by 5/(-1).
(5/−1)*(−1/5x)=(5/−1)*(−14/5)