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yKpoI14uk [10]
3 years ago
6

4/5 of the cake was left, but after Brian ate some only 1/4 of the cake was left. Which fraction of the cake did Brian eat?

Mathematics
1 answer:
LiRa [457]3 years ago
7 0

Answer:

3/4

Step-by-step explanation:

there was 4/5 you just had to minis 3and 4

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Sophie has two new fish. She feeds one fish
Zielflug [23.3K]

Step-by-step explanation:

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(08.01, 8.02 MC) An expression is shown below: 18x3y − 9x2y − 72xy3 + 36y3 Part A: Rewrite the expression so the GCF is factored
vitfil [10]

Answer:

9y(2x - 1)(x - 2y)(x + 2y)

Step-by-step explanation:

Given

18x³y - 9x²y - 72xy³ + 36y³ ← factor out 9y from each term

= 9y(2x³ - x² - 8xy² + 4y²)

Factor the first/second and third/fourth term in the parenthesis

= 9y( x²(2x - 1) - 4y²(2x - 1)) ← factor out (2x - 1) from each term

= 9y(2x - 1)(x² - 4y²)

x² - 4y² is a difference of squares and factors in general as

a² - b² = (a - b)(a + b), thus

x² - 4y²

= x² - (2y)² = (x - 2y)(x + 2y), hence

18x³y - 9x²y + 72xy³ + 36y³

= 9y(2x - 1)(x - 2y)(x + 2y) ← in factored form

7 0
3 years ago
I really need help ASAP!
Semmy [17]

Answer:

Because they are parallel:

Angles 1,3,5 and 7=125

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Angles 2,4, 6 and 8=55

Hope this helps!

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