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Harrizon [31]
3 years ago
6

Write the following phase as an algebraic expression: "The amount of money in my bank account increased by $100 over summer." *

Mathematics
2 answers:
Kipish [7]3 years ago
8 0
100x = y because it is per month. Peace, love, and maybe brainliest? PEace out

goblinko [34]3 years ago
5 0
X+100=y i dont think there is any other answer

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Rob runs 8 miles in 45 min. how mamy minutes does he take per mile
Andru [333]

since we are looking at minutes per mile

45 min/8 miles = 5.625 minutes per mile

8 0
3 years ago
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What is the product of (3a 2)(4a2 â€"" 2a 9)? 12a3 âÂ’ 2a 18 12a3 6a 9 12a3 âÂ’ 6a2 23a 18 12a3 2a2 23a 18.
Kay [80]

The product of (3a + 2)(4a^2 - 2a + 9) will be  12a^3 + 2a^2 + 23a + 18.

Given expression,

(3a + 2)(4a^2 - 2a + 9).

We have to find the product of (3a + 2)(4a^2 - 2a + 9).

Now using distributive property, we get

3a(4a^2) - 3a(2a) + 3a(9) + 2(4a^2) - 2(2a) + 2(9)

12a^3 - 6a^2 + 27a + 8a^2 - 4a + 18

12a^3 + 2a^2 + 23a + 18

 

Hence the product of (3a + 2)(4a2 - 2a + 9)  is 12a^3 + 2a^2 + 23a + 18.

Thus the correct option is (D). 12a^3 + 2a^2 + 23a + 18.

For more details on distributive property follow the link:

brainly.com/question/13130806

7 0
3 years ago
Does anyone know how to answer this question? Please write your working calculation as well if you do know the answer. Thanks so
krek1111 [17]

Answer:

Mark as brainliest if helped Thanks!

Step-by-step explanation:

funtion is:

y = \frac{x^2 -1}{2x + 1}

therefore \\\frac{dy}{dx}\\ is

\frac{d\frac{x^2 -1}{2x + 1}}{dx}

\frac{\frac{x^2 -1}{2x + 1}}{x}

\frac{x^2 -1}{(2x+1) x}

Now

\int\limits^2_0 {\frac{x^2 +x +1 }{4x^2 +4 + 1} } \, dx

(Calculation of this it too long and it is hard to type on brainly)

here is the answer though....

= 4/5

=0.8

5 0
3 years ago
a grocery store sells 6 bottles of water for $4 and 18 bottles for $10. is the cost of the water proportional to the number sold
galina1969 [7]
No, because it is more money to buy the 10 for 18 than the 6 for 4.
8 0
4 years ago
5. Which step is included in the construction of inscribed polygons? (5 points)
RideAnS [48]

Answer:

Your answer is D

Step-by-step explanation:

Your welcome

5 0
3 years ago
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