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VashaNatasha [74]
3 years ago
12

Easy and also crown if right.

Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

  • - 8n + 9

Step-by-step explanation:

<u>Given</u>

  • A = -3n + 2
  • B = 5n - 7

Find A - B by substitution

  • A - B =
  • - 3n + 2 - (5n - 7) =
  • - 3n + 2 - 5n + 7 =
  • - 8n + 9
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Can someone please help me this is due in 10 mins
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<h2>Answer: 250 Hamburgers sold</h2><h2>Step-by-step explanation:</h2><h2><u><em>x = hamburgers </em></u></h2><h2><u><em>y = cheeseburgers </em></u></h2><h2><u><em>x+y=434 </em></u></h2><h2><u><em>66 fewer cheeseburgers than hamburgers </em></u></h2><h2><u><em> </em></u></h2><h2><u><em>  </em></u></h2><h2><u><em>y = x - 66 </em></u></h2><h2><u><em>Substitute y into the first equation </em></u></h2><h2><u><em>x + (x-66) = 434 </em></u></h2><h2><u><em>2x = 434 + 66 </em></u></h2><h2><u><em>2x = 500 </em></u></h2><h2><u><em>x = 250 hamburgers sold</em></u></h2>
7 0
3 years ago
PLEASe HELP ASAP!!!! Christine found a sweater at Nordstrom that was priced at $72.00. She noticed there was a sign that said "A
Novosadov [1.4K]
It’s a..!.!.!!.!!.!.!.!!.!.
6 0
3 years ago
What is 11 1/2 + 10 11/16=
ahrayia [7]

Hey!



To solve this equation, we must first convert the mixed numbers into improper fractions. To do that we'll multiply the denominator by the whole number and add the total to the numerator.


<em>Original Equation :</em>

11\frac{1}{2} + 10\frac{11}{16} = ?


<em>New Equation {Converted Mixed Numbers Into Improper Fractions} :</em>

\frac{23}{2} + \frac{171}{16} = ?


Now that we've successfully changed our equation, we'll move onto the next step. Next we'll have change the fractions one more time so that the denominators are the same. To do that we'll multiply two by eight to get sixteen. We'll also be multiplying the top portion of the fraction by eight, because whatever you do to the bottom must also be done to the top; And vise versa.


<em>Fraction Conversion :</em>

\frac{23*8}{2*8} = \frac{184}{16}


So, now that we have our new fraction we can go ahead and plug that into our equation so we can start adding. Remember, we don't add the denominators, just the numerators.


<em>Old Equation :</em>

\frac{23}{2} + \frac{171}{16} = ?


<em>New Equation {Input New Fraction With Common Denominator} :</em>

\frac{184}{16} +\frac{171}{16} = ?


<em>Solution {New Equation Solved} :</em>

\frac{355}{16}


Now I'm not exactly sure how your instructor will accept your answer, but most prefer the final answer to be in the simplest form. In other words, they don't want it in the form of an improper fraction. They'd most likely rather have it as a mixed number.


<em>New Solution {Converted to a Mixed Number} :</em>

22\frac{3}{16}


Since the fraction cannot be simplified anymore, this should be our final answer.

<em>So, this means that the answer to the equation is </em> 22\frac{3}{16}.


Hope this helps!



- Lindsey Frazier ♥

5 0
3 years ago
Read 2 more answers
If you double the lengths of a rectangle what can you say about the new area of it.
ivolga24 [154]

Answer:

B

Step-by-step explanation:

because u increased it by 2x

3 0
3 years ago
A watch cost $72.99. If the sales tax rate is 6.25% what is the amount of sales tax
katovenus [111]

Answer:

$4.56

Step-by-step explanation:

The tax is found by multiplying the tax rate by the amount of the sale.

... 6.25% × $72.99 = $4.56

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Some calculators deal directly with percentages, so you don't even have to think about it. Your friendly, local Google search box is an excellent calculator for many purposes.

8 0
3 years ago
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