Answer:
Cost for 1 burger = 5 $
Amount spent by Janet = 25$
Amount spent by John = 25$
Explanation:
Let the cost for burger be p.
Janet got three burgers and left a $10 tip
Amount spent by Janet = 3 p + 10
John bought 4 burgers, but only left a $5 tip
Amount spent by John = 4 p + 5
Both paid the same amount.
So, we have 3 p + 10 = 4 p + 5
=> p = 5 $
So, cost for 1 burger = 5 $
Amount spent by Janet = 3 x 5 + 10 = 25$
Amount spent by John = 4 x 5 + 5 = 25$
The correct answer is: " √x − <span>2√b " .
</span>_________________________________________________________
The "conjugate" of " √x + 2√b " is: " √x − 2√b " .
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Explanation:
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In an expression with 2 (TWO) terms; that is, in a "binomial expression",
the "conjugate" of that expression refers to that very expression — with the "sign" in between those two terms—"reverse" (e.g. "minus" becomes "plus" ; or, "plus" becomes "minus" .) .
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→ So: We are given: " <span>√x + 2√b " .
</span>
→ Note that this is a "binomial expression" ;
→ that is, there are 2 (TWO) terms: " <span>√x " ; and: " 2√b " .
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To find the "conjugate" of the given binomial expression:
</span>→ " <span>√x + 2√b " ;
</span>→ We simply change the "+" {plus sign} to a "<span>−" {minus sign} ; and rewrite:
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</span>→ " √x − 2√b " ;
→ which is the "conjugate" ; and is the correct answer:
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→ " √x − 2√b " ; is the "conjugate" of the expression: " <span>√x + 2√b " .
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</span>→ {that is: " √x − 2√b " ; is the conjugate.}.
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I think second must b the answee
Answer:
8
Step-by-step explanation:
- (-2) is the same as + 2
-10 + 2 = -8
In 1 hour you pick 60 lines, so in 8 hours you pick 60*8 = 480 lines
