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Zarrin [17]
3 years ago
14

SOLVE FOR X. pls i need help

Mathematics
1 answer:
Lyrx [107]3 years ago
5 0
X=8
Set up proportions would give you: 10/3x+1 = 22/7x-1
With that in mind, cross multiply, which would give you: 10(7x-1) = 22(3x+1).
Turns into: 70x -10 = 66x+22. Then just solve for x
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angelo rode his bike around a bike trail that was 1/4 of a mile long.he rode his bike around thetrail 8 times.Angelo says he rod
forsale [732]
Hi there!

From this problem we can pull out some key information and remove any excess.

- The trail is 1/4 of a mile long.
- Angelo rode around the trail 8 times.
- Angelo claims he rode 8/4 miles.
- Teresa claims he rode 2 miles.

From that we know that if Angelo rode around the trail 8 times and the trail is 1/4 a mile, he in total rode 8/4 of a mile.

However, Teresa claims he rode 2 miles!

And the answer is... they're both correct!

Angelo did indeed ride 8/4 miles however that is equivalent to 2 miles so they are both in the right.
7 0
3 years ago
16. Factor<br> 40y3 - 625
lina2011 [118]

Answer:

Step-by-step explanation:

prime factorization

40y³ = 2³×5y³

625 = 5⁴

Greatest common factor = 5

40y³ - 625 = 5(8y³ - 125)

Note that 8y³ - 125 is the difference of cubes.

8y³ - 125 = (2y)³ - 5³ = (2y-5)((2y)² + 2y·5 + 5²) = (2y-5)(4y² + 10y + 25)

40y³ - 625 = 5(2y-5)(4y² + 10y + 25)

4 0
2 years ago
Solve for x.<br> (7x - 1)•<br> (6x - 1)•
leonid [27]

Answer:

42x^2 - 7x - 6x + 1

42x^2 - 13x + 1 for FOIL method

To solve for x

7x - 1 = 0

7x = 1

x = 1/7

6x - 1 = 0

6x = 1

x = 1/6

Step-by-step explanation:

4 0
3 years ago
Name the property used in n + 0 = 7.
Naya [18.7K]

Answer:

D

Step-by-step explanation:

Zero is the additive identity property.

Hope this helps

-Amelia

8 0
2 years ago
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WHATs 2 PLUS 2 plus 345555 minus 234 times 454
leonid [27]

Answer:

This can be solved using a calculator

239323

5 0
3 years ago
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