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goblinko [34]
3 years ago
9

Simplify 5x - 3 + 7x +1

Mathematics
1 answer:
liberstina [14]3 years ago
8 0

Answer:

12x-2

Step-by-step explanation:

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What are the solutions to the system of equations? y=2x^2−6x+3 y=2x+3
adoni [48]

Answer:

Step-by-step explanation:

y=2x²-6x+3

y=2x+3

2x²-6x+3=2x+3

2x²-6x+3-2x-3=0

2x²-8x=0

2x(x-4)=0

x=0,4

y=0+3=3

and y=2(4)+3=11

so solutions are (0,3) and (4,11)

5 0
3 years ago
What is the answer using the majic method of factoring?
NeX [460]
2x² - 15x + 7
(2x - 1)(2x-14)

(2x - 1)(x - 7) x= 1/2 or 7
7 0
3 years ago
What is the area of the trapezoid shown below?​
anzhelika [568]

Answer:

78 units squared

Step-by-step explanation:

3 0
3 years ago
Find the equivalent exponential expression (7^2)^5
VladimirAG [237]
First we simplify, like this: (7^2)^5 = 7^{10}

So the answer is 7^10<span>

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6 0
3 years ago
Read 2 more answers
Jerry starts with $1400 in a college savings account. His account earns interest at a rate of 2.7%
tigry1 [53]

Answer: There will be $ 1687.02 in the account after 7 years.

Step-by-step explanation:

Formula to find the accumulated amount (A) in account on principal amount (P) with rate of interest (r) in 't' years is given by :-

A=P(1+r)^t

As per given, P =  $1400

r= 2.7% = 0.027

t= 7 years

Then,

A= 1400(1+0.027)^7\\\\= 1400(1.027)^7\\\\= 1400(1.2050168)\\\\= 1400(1.2050168)\approx1687.02

Hence, there will be $ 1687.02 in the account after 7 years.

3 0
3 years ago
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