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Luba_88 [7]
3 years ago
12

Write y=2(x + 6)(x + 3) in standard form

Mathematics
1 answer:
Volgvan3 years ago
6 0

Answer:

y = 2x² + 18x + 36

Step-by-step explanation:

Given

y = 2(x + 6)(x + 3) ← expand the factors using FOIL

y = 2(x² + 9x + 18) ← distribute parenthesis by 2

  = 2x² + 18x + 36 ← in standard form

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UPPER AND LOWER BOUNDARIES
const2013 [10]

Answer:

The minimum of a - b is 41.325

Step-by-step explanation:

Let us solve the question using upper and lower boundaries

∵ a = 49.0 rounded to 1 decimal place

∵ 1 decimal place means 0.1

→ Divide 0.1 by 2

∵ 0.1 ÷ 2 = 0.05

→ Add 0.05 to the rounded number to get the upper boundary

∵ 49.0 + 0.05 = 49.05

∴ The upper boundary = 49.05

→ Subtract 0.05 from the rounded number to get the lower boundary

∵ 49.0 - 0.05 = 48.95

∴ The lower boundary = 48.95

∴ The range of a is 48.95 ≤ a < 49.05

∵ b = 7.62 rounded to 2 decimal places

∵ 2 decimal place means 0.10

→ Divide 0.01 by 2

∵ 0.01 ÷ 2 = 0.005

→ Add 0.005 to the rounded number to get the upper boundary

∵ 7.62 + 0.005 = 7.625

∴ The upper boundary = 7.625

→ Subtract 0.005 from the rounded number to get the lower boundary

∵ 7.62 - 0.005 = 7.615

∴ The lower boundary = 7.615

∴ The range of b is 7.615 ≤ b < 7.625

To find the minimum value of a - b, use the smallest value of a and the greatest value of b

∵ The minimum of a - b = lower boundary of a - upper boundary of b

∴ The minimum of a - b = 48.95 - 7.625

∴ The minimum of a - b = 41.325

∴ The minimum of a - b is 41.325

5 0
2 years ago
Which of the following inequalities is true?
Inessa [10]

Answer:

what are the answer chooice bc i cant see the picture

Step-by-step explanation:

6 0
3 years ago
Look at attachment below
Romashka [77]
I think it’s 8/55=4/x
So it’s 8x=4(55)
8x=220
x=220/8
x=27.5
4 0
3 years ago
The cost of 2 bottles of jam is $5.96. What is the cost of each bottle of jam?
attashe74 [19]
1 bottle is $2.98. Just do $5.96 divide by 2 to get the answer
4 0
2 years ago
Ifx- 9 is a factor of x2 – 5x – 36, what is the other factor?
kkurt [141]

Hey there! :)

Answer:

(x + 4).

Step-by-step explanation:

When finding the factors of a polynomial with a leading coefficient of 1, we must look for numbers that sum up to -5 and multiply into -36.

We are already given -9 as one of the numbers, so simply divide from -36 to solve for the remaining number.

-36 / (-9) = 4.

Therefore, this equation in factored form would be:

(x - 9) (x + 4)

The other factor being (x + 4).

7 0
3 years ago
Read 2 more answers
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