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sergij07 [2.7K]
3 years ago
10

Solve the system using elimination. 5x + 3y = − 8 7x + 2y = − 20

Mathematics
1 answer:
svlad2 [7]3 years ago
3 0
Your answer should be (-4,4). You would multiply the top row by 2 and the bottom one by -3 to get the y’s the same (both would be 6y) then from there solve for x. once you have x plug in for y.
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The owner of a music store received a shipment of stereos at a cost of $160 each. What will the selling price be if he applies a
kumpel [21]

The selling price will be $232 if he applies a 45% markup.

Step-by-step explanation:

Cost of each stereo = $160

Mark up = 45%

Amount of mark up = \frac{45}{100}*160

Amount of mark up = \frac{7200}{100} = \$72

Selling price = Cost of stereo + mark up

Selling price = 160 + 72 = $232

The selling price will be $232 if he applies a 45% markup.

Keywords: addition, markup

Learn more about addition at:

  • brainly.com/question/547255
  • brainly.com/question/545947

#LearnwithBrainly

4 0
3 years ago
The sum of two integers is 18 and their difference is 10. what is the smaller of the two.
tangare [24]
The smaller of the two is 4.


14 + 4 = 18 so then their difference ( 14 - 4 =10) would give you the answer
3 0
4 years ago
What is the height of the algorithm.V=3758.75 W=24.25 L=12.5 H=?
Norma-Jean [14]
H= 12.4
I assume this is a rectangular prism. the formula is V=l*w*h
plug-in the known values
<span>V=3758.75 W=24.25 L=12.5 
</span><span>3758.75 =24.25*12.5*H multiply terms
</span><span>3758.75=303.125H divide both sides by 303.125
12.4=H</span>
6 0
4 years ago
May I have the value of x in this triangle?
Oxana [17]

Answer:

c^2 =a^2+b^2

c^2= 25 + 1156

c = 34.37

sin 90/34.37 = sin x/5

sin x= 0.1454

x is 8.36° i think

4 0
3 years ago
Simon is considering buying a home priced at $104,000. If the current market
krok68 [10]

Answer:

A. 106,000

Step-by-step explanation:

In a buyers market, people that are buying a house can get it for a good price.  In a sellers market the person selling their house can make more.

I hope this helps. If you have any more questions, please feel free to post them and someone will be able to help you, whether it's myself or others. Please leave a like, rating, and if possible, Brainliest. Have a great day!    

8 0
3 years ago
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