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Juli2301 [7.4K]
3 years ago
6

The best answer gets brainiest please help!

Mathematics
2 answers:
vazorg [7]3 years ago
5 0

Answer: 1) 10x+y=7

2) 3x-y=3

x-y=1

weqwewe [10]3 years ago
4 0
( I need points sorry for commenting ! )
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What is pi squared as a fraction?
ivolga24 [154]
Π=3.14
Let's start with two digits:

3.14 = 3 14/100

= 3 7/50

= 157/50

would be the approximation for that. Let's add a few more digits:

3.1415 = 3 1415/10000

= 3 283/2000

= 6283/2000
3 0
4 years ago
Ben is 4 44 times as old as Ishaan and is also 6 66 years older than Ishaan.
Alex
What are you asking ? I don’t see anything to solve
8 0
3 years ago
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You are driving home on a weekend from school at 55 mi/h for 110 miles. It then starts to snow and you slow to 35 mi/h. You arri
Gemiola [76]

SOLUTION:

If you drive at 55 mi/h for 110 miles, this means you drovefor 110 / 55 = 2 hours

Your total driving time is 4 hours and 15 minutes which meansthat you drove 2 and 15 minutes at the rate of 35 mi/h

2 hours and 15 minutes = 2×60 + 15 = 135minutes

35 miles / 60 minutes × ( 135 minutes) = 78.75miles

So total miles driven is 78.75 + 110 =188.75 miles

6 0
3 years ago
Ivan has a piece of lumber 104 inches long. He is sawing it into 12-inch lengths to make fence posts. He says he can get about 9
vfiekz [6]

Answer:

He is reasonable to an extent, but he is not. He can saw 8 posts with the given materials.

Step-by-step explanation:

To make 9 posts. He would need 108 inches of material. He can only make 8 posts with the materials he has. With the remainder of the material he could possibly make 6/10ths of a post.

8 0
3 years ago
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
4 years ago
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