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4vir4ik [10]
3 years ago
9

Which is equivalent to (9y2 – 4x)(9y2 + 4x), and what type of special product is it?

Mathematics
1 answer:
Nadya [2.5K]3 years ago
7 0
It is a FOIL product.

(9y² - 4x)(9y² + 4x)
9y²(9y² + 4x) - 4x(9y² + 4x)
9y²(9y²) + 9y²(4x) - 4x(9y²) - 4x(4x)
81y⁴ + 36xy² - 36xy² - 16x²
81y⁴ + 16x²
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Roger's flight took off at 9:27 a.m. The flight is scheduled to land at 1:05 p.m. If the flight lands on schedule, how long is t
arsen [322]
So Roger flight left at exactly 9.27:am and it will land at 1:05pm

So count on to 12:27 will be 3 hours and subtract from 5 because 65 is 05 3hours and 38mins
5 0
3 years ago
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Ruby uses 1/4 yard of ribbon to make 2 bows.Which expression shows the length of ribbon in each bow?
allochka39001 [22]
What you can do in this case is a rule of three to determine the length of each bow.
 We have then:
 1/4 ---> 2
 x ------> 1
 Clearing x we have:
 x = (1/2) * (1/4)
 x = 1/8
 Answer:
 the length of ribbon in each bow is
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 Option 3
3 0
3 years ago
Help. Please look at the picture. Thanks.
densk [106]

Answer:

Monday: 2 hours

Tuesday: 7 miles

Thursday: 27 miles

Friday: 2 hours

Step-by-step explanation:

Monday: 16 divided by 8 = 2

Tuesday: 21 divided by 3 = 7

Thursday: 9 x 3 = 27

Friday: 16 divided by 8 = 2

I hoped this helped

4 0
3 years ago
I need immediate help
Greeley [361]

Answer:

when we put 1 from a2 we can say that a2 equal to 2 because 2.5^n-1= 2

Step-by-step explanation:

answer is b

7 0
3 years ago
Question 5(Multiple Choice Worth 4 points) Which number is the largest? 1.2 × 104, 4.5 × 10−3, 3.8 × 103, 7.5 × 103 1.2 × 104 4.
Andrew [12]

Answer:

  • 1.2 × 10^4

Step-by-step explanation:

<u>Which number is the largest? </u>

  • 1.2 × 10^4
  • 4.5 × 10^-3
  • 3.8 × 10^3
  • 7.5 × 10^3

The first one is the largest as it has the greatest power

8 0
3 years ago
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