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AleksAgata [21]
3 years ago
14

Factor completely 49x^2-81.

Mathematics
1 answer:
Tasya [4]3 years ago
5 0

Answer:

C.

Step-by-step explanation:

Since both terms are perfect squares, factor using the difference of squares formula to get you the answer

(7x+9)(7x-9)

 

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What us 81 percent of 62
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Steps:
1. Do a proportion
X/62= 81/100
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4 years ago
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Select all the expressions ​
enot [183]

Answer:

B, C, E

Step-by-step explanation:

Answer choice A):

$300 ×  = $75

* This answer choice represents the calculation of discount only and not the final selling price of the bicycle.

Answer choice B):

$300 ×  = $225

* This answer choice represents the calculation of the final selling price of the bicycle.

Answer choice C)

$300 × (1 - ) = $225

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Answer choice D):

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*This answer choice shows an incorrect equation which neither represents the calculation of the discount nor the final selling price of the bicycle.

Answer choice E):

$300 -  × $300

Applying the rule of PEMDAS,

We start with division; 1 ÷ 4 = 0.25

Then we go to multiplication; 0.25 × $300 = $75

Finally we do the subtraction; $300 - $75 = $225

* This answer choice represents the calculation of the final selling price of the bicycle.

4 0
3 years ago
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cluponka [151]

Answer:

1183 remainder 1

Step-by-step explanation:

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What is the most precise name for quadrilateral ABCD with vertices A(-4, -4), B(-4, -2), C(-1, -2), and D(-1, -4)?
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