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Crank
3 years ago
13

I’ll give brainiest

Mathematics
2 answers:
Masteriza [31]3 years ago
8 0

Answer:

C

Step-by-step explanation:

9x^2-49y^2

AfilCa [17]3 years ago
8 0

Answer:

last one ok

Step-by-step explanation:

last one ok

ok

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Micah pays 54$ for an item originally priced 60$. What percentage of the original price was his discount?
pantera1 [17]

Answer: The percentage of the original price was his discount = 10%

Step-by-step explanation:

Given: original price = $60

Price after discount =  $54

Discount = Price after discount  - original price

= $ (60-54) = $6

The percentage of the original price was his discount = \dfrac{Discount}{Original\ price}\times100

=\dfrac{6}{60}\times100\%\\\\=\dfrac{1}{10}\times100\%\\\\=10\%

Hence, the percentage of the original price was his discount = 10%

3 0
3 years ago
Kaylee obtains a loan with simple interest to buy a car that costs $8,500. If Kaylee pays $1,020 in interest during the four yea
andreev551 [17]
<span>The simple interest formula is:

A = P · (1 + r · t)
where:
A = total amount
P = principal
r = rate
t = time 

Let's solve for r:
A = P + P · r · t
P · r · t = A - P

r = (A - P) / (P · t)

The quantity A - P is defined as the Interest, therefore:
r = I / (P <span>· t)
  = 1020 / (8500 </span>· 4)
  = 0.03

Therefore the rate was 3%.


</span>
5 0
3 years ago
Read 2 more answers
Michelle and Pierre both want to buy guitars, Michelle has already saved $60, and
Nezavi [6.7K]

Answer:

on the 5th week they would both have the same amount of money they would both have a total of 85$

Step-by-step explanation:

8 0
3 years ago
Multiply and simplify. (4a + 6b)(2a - 2b)
blsea [12.9K]
(4a + 6b) x (2a - 2b)

the answer would be 8a2 + 4ab - 12b2
6 0
3 years ago
-0.8b^2+7.4b+(5.6b-0.2b^2)
puteri [66]

Answer:

what? I don't understand lol

5 0
3 years ago
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