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nadya68 [22]
3 years ago
14

PLEASE HELP 50/25 POINTS!!

Mathematics
1 answer:
DedPeter [7]3 years ago
7 0
I don’t know but I think 5 feet
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Beth sold half of her comic books and then bought nine more. She now has 28. With how many did she begin?
tankabanditka [31]

Answer:

She had 38!

Step-by-step explanation:

28-9 is 19 then just multiply that by two which is 38

8 0
2 years ago
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9th grade math help me please and thank you sosomuch
Varvara68 [4.7K]

Answer:

The system is consistent; it has one solution ⇒ D

Step-by-step explanation:

A consistent system of equations has at least one solution

  • The consistent independent system has exactly 1 solution
  • The consistent dependent system has infinitely many solutions

An inconsistent system has no solution

In the system of equations ax + by = c and dx + ey = f, if

  1. a = d, b = e, and c = f, then the system is consistent dependent and has infinitely many solutions
  2. a = d, b = e, and c ≠ f, then the system is inconsistent and has no solution
  3. a ≠ d, and/or b ≠ e, and/or c ≠ f, then the system is consistent independent and has exactly one solution

In the given system of equations

∵ -2y + 2x = 3 ⇒ (1)

∵ -5y + 5x = 12 ⇒ (2)

→ By comparing equations (1) and (2)

∵ -2 ≠ -5

∵ 2 ≠ 5

∵ 3 ≠ 12

→ By using the 3rd rule above

∴ The system is consistent independent and has exactly one solution

∴ The system is consistent; it has one solution

7 0
3 years ago
A recipe for a cake calls for 3 cups of flour. Tyler accidentally put in 4 cups. How many
andre [41]
He put in 1 extra cup because the recipe only needed 3. 4-3=1.
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3 years ago
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Estimate The problem <br><br> 2,731÷31
Vedmedyk [2.9K]

Answer:

your answer should be 90

Step-by-step explanation:

4 0
3 years ago
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Solve for a.Question is in picture. Giving brainliest
levacccp [35]
A=3.6

hope this help:)
6 0
3 years ago
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