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stira [4]
3 years ago
7

A student solved the equation below. Describe the error they made. (What did they do wrong? What should they have done?) *

Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0
Error: they divided both sides by three.
correct: they should’ve first subtracted both sides by two then divided both sides by three.
You might be interested in
if you have four rolls of quarters three rolls of Dimes and six rolls of nickels how much do you have
xz_007 [3.2K]
We know that
the number of coins that each roll contains is
<span>rolls of quarters-------> 40 coins
</span><span>rolls of Dimes---------> 50 coins
</span><span>rolls of nickels------> 40 coins

</span><span>four rolls of quarters------> 4*40*$0.25-----> $40
</span>t<span>hree rolls of Dimes-----> 3*50*$0.10------> $15
</span><span>six rolls of nickels-------> 6*40*$0.05-----> $12

total=[40+15+12]------> $67

the answer is
$67</span>
3 0
3 years ago
F-20f=21 what’s the answer
Virty [35]

\bold{[ \ Answer \ ]}

\boxed{\bold{F \ = \ -\frac{21}{19} }}

\bold{[ \ Explanation \ ]}

  • \bold{Solve: \ f \ - \ 20f \ = \ 21}

-----------------------------------

  • \bold{Add \ Similar \ Elements:f-20f=-19f}

\bold{-19f=21}

  • \bold{Divide \ Both \ Sides \ By \ -19}

\bold{\frac{-19f}{-19}=\frac{21}{-19}}

  • \bold{Simplify}

\bold{F \ = \ -\frac{21}{19}}

\boxed{\bold{[] \ Eclipsed \ []}}

5 0
3 years ago
Is the equation a literal equation t+8y=7
ElenaW [278]

Answer:

no

Step-by-step explanation:

8 0
3 years ago
HELP!!
lapo4ka [179]

Answer:

110 offices

Step-by-step explanation:

you take 66 divided by 60% that is how you get 110

4 0
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