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olganol [36]
3 years ago
5

I have 5 questions, and i need answers ASAP!

Mathematics
1 answer:
Zina [86]3 years ago
3 0
1) 5z-9
2) 7q+12
3) 5.4n-1
4) w+2
5) 8x+2
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A man bought a cow and a horse for $500. He sold the cow at a profit of 10% and the horse at a loss of 10% and suffered a loss o
ycow [4]

Answer:

<em>The man paid $200 for the cow</em>

Step-by-step explanation:

<u>System of Equations</u>

Let's call:

x = price of the cow

y = price of the horse

The man bought the cow and the horse for $500, thus

x + y = 500        [1]

The cow was sold at a profit of 10%, thus:

Sale price of the cow= 1.1x

The horse was sold at a loss of 10%, thus:

Sale price of the horse= 0.9y

The total operation was a 2% loss, i.e. 0.98*500=490. Thus, we have:

1.1x + 0.9y = 490        [2]

From [1]:

y = 500 - x

Substituting in [2]:

1.1x + 0.9(500 - x) = 490

Operating:

1.1x + 450 - 0.9x = 490

0.2x = 490 - 450 = 40

x = 40/0.2

x = 200

The man paid $200 for the cow

3 0
3 years ago
An object moves at a constant rate. The graph shows the object's height at different times. Which equation represents the situat
zlopas [31]
<span>d. y = 15x 900</span>

Although you do not give the rates I assume the answer is D as it is the only positive multiplication. You cannot have negative height.
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3 years ago
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Please help will give branliest
NikAS [45]

-2x+8y-3

Hope this helps! :)

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2 years ago
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Neko [114]

Answer:

96 in 3

Step-by-step explanation:

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1. Which two points fail the VLT here in this graph?<br><br><br> PLEASE HELP!!!!
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Kiki and Rose's points

They are on the same vertical line so they fail
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2 years ago
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