4 years ago

If x+y = b and −x+3y=a, then what is y?

Mathematics

1 answer:

gladu [14]4 years ago

6 0

I honestly don’t know either

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The value of a rare painting has increased each year since it was found at a garage sale. The value of the painting is modeled b

erastova [34]

It representes the original cost
A=P(1+r)^t
P=present amount
t=time
r=rate
A=final amount

afer 5 years
t=5
A=799(1.03)^5
A=926.26 after 5 years

answer is last option:
<span>799 represents the total value of the painting; the painting will be worth $926 after 5 years

</span>

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3 years ago

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A discount of $8.40 on something that usaully costs $28.00.What percent discount was received

STatiana [176]

Answer: 30%

Step-by-step explanation:

percentage = (discount/total amount)

* 100= (8.40/28)*100=30%

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2 years ago

The cost to a landscape architect for a 25-gallon tree is $60. Find the selling price of the tree if the markup rate used by the