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Anettt [7]
3 years ago
15

Need to check algrabic anwsers

Mathematics
1 answer:
Svet_ta [14]3 years ago
6 0

Answer:

What are the equations and anwsers?

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Simplify completely quantity x squared plus 4 x minus 45 all over x squared plus 10 x plus 9 and find the restrictions on the va
dem82 [27]
(x² + 4x - 45)/(x² + 10x + 9) 
<span>
Numerator = N = x² + 4x - 45 </span>
= x² + 9x - 5x - 45 
= (x² + 9x) - (5x + 45) 
= x(x + 9) - 5(x + 9) 
= (x + 9)(x - 5) 
<span>
Denominator = D = x² + 10x + 9 </span>
= x² + x + 9x + 9 
= (x² + x) + (9x + 9) 
= x(x + 1) + 9(x + 1) 
= (x + 1)(x + 9) 
<span>
Hence, the given expr. = N/D </span>
= {(x + 9)(x - 5)}/{(x + 1)(x + 9) 
= (x - 5)/(x + 1) 
<span>
Restrictions : x ≠ - 1, x = 5 </span>


I hope my answer has come to your help. Thank you for posting your question here in Brainly.
7 0
3 years ago
Read 2 more answers
8 more than a number is equal to 40
dem82 [27]

Answer:

n+8 = 40

n=32

Step-by-step explanation:

Let the number be n

8 more than means

n+8

is equal to

n+8 =

n+8 = 40

We can solve this by subtracting 8 from each side

n+8-8=40-8

n = 32

The number is 32

8 0
3 years ago
If you spend $4.79. in how many ways can you receive<br> change from a five-dollar bill?
ladessa [460]

Answer:

9 ways

Step-by-step explanation:

Here are the combinations:

Start with dimes (10), change with dimes (10) would be (10, 10, 1), (10, 5,5,1), (10, 5, 6), (10, 11)

With nickels (5), change would be (5,5,5,5,1), (5,5,5,6), (5,5,11), (5,16)

With pennies (1) it would be (21)

8 0
2 years ago
What is the greatest possible product of a 2 digit number and a 1 digit number?
sladkih [1.3K]
Highest 2-digit number = 99 
<span>Highest 1-digit number = 9 </span>
<span>Highest possible sum from 2, 2-digit numbers = 198 </span>
<span>Highest possible sum from 2, 1-digit numbers = 18</span>
5 0
3 years ago
Read 2 more answers
The graph shows the number of centimeters a particular plant grows over time. Given the points (0,0) and (4,6), how many centime
Studentka2010 [4]

Answer: 1.2 centimeters

Step-by-step explanation:

5 0
2 years ago
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