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yawa3891 [41]
3 years ago
11

(9x-8)(9x+8) answer ??

Mathematics
1 answer:
DerKrebs [107]3 years ago
4 0
(9x - 8)(9x + 8)

9x × 9x = 81x²

9x × 8 = 72x

-8 × 9x = -72x

-8 × 8 = -64

= 81x² + 72x - 72x - 64

The 72x cancels out, so you're left with 81x² - 64.

The answer is 81x² - 64.

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Please help me with this. If you show your work I will give brainliest if there are 2 answers
AfilCa [17]
<h3>Answer:  22.5</h3>

Work Shown:

450 calories = 20 ounces

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22.5 calories = 1 ounce

This smoothie has 22.5 calories per ounce.

6 0
3 years ago
Subtract:
choli [55]

Answer:

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3 0
3 years ago
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The perimeter of a rectangle is 50 centimeters. If the width of the rectangle is 9 centimeters
nordsb [41]

Answer:

Length = 17 cm

Width = 8 cm

Step-by-step explanation:

Let the length be x cm

Therefore, Width = (x - 9) cm

Perimeter of rectangle = 2(l +w)

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50/2 = 2x - 9

25 = 2x - 9

25+ 9 = 2x

2x = 34

x = 34/2

x = 17 cm

x - 9 = 17 - 9 = 8 cm

Therefore,

Length = 17 cm

Width = 8 cm

Thus, the dimensions of the rectangle are 17 cm and 8 cm.

6 0
3 years ago
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Alecsey [184]

Answer:

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Step-by-step explanation:

8 0
2 years ago
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What is the equation of the line in slope-intercept form?
Gala2k [10]

Answer: x= 3     y=0

x= 0        y=4

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