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Angelina_Jolie [31]
3 years ago
14

What method would you choose to solve the

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
7 0

Answer:

see explanation

Step-by-step explanation:

2x² - 7 = 9 ( add 7 to both sides )

2x² = 16 ( divide both sides by 2 )

x² = 8 ( take square root of both sides )

x = ± \sqrt{8} ← exact values

This method is useful when there are only numeric values to deal with

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PLEASE HELP ME WITH THANKS :)
Maurinko [17]

Answer

12855.04 ft³

Step-by-step explanation:

regular Octagon consists of 8 congruent triangles

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8 0
3 years ago
Read 2 more answers
Hannah's mom gave her a bag of chips she gives 6 chips to each other 10 friends she has 12 pieces left for herself how many kids
shutvik [7]

Answer:

72 chips

Step-by-step explanation:

6×10=60

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7 0
3 years ago
Find the remainder when f(x) = x3 − 14x2 + 7x − 10 is divided by x − 3. 184 164 −88 −122
Fudgin [204]

Answer:

122

Step-by-step explanation:

For this case we must build a quotient that, when multiplied by the divisor, eliminates the terms of the divide until it reaches the remainder.

It must be fulfilled that:

Dividend = Quotient * Divisor + Remainder

we have that the remainder is 122.

have a good day

5 0
3 years ago
2^x + 2^-x =5/2 pls I need d. ans​
yKpoI14uk [10]

Answer:

x= 1, -1

Step-by-step explanation:

6 0
3 years ago
Please ignore my work and show step by step for number 9 please and thank you
Butoxors [25]

( x + 3)( x  - 7) + (x + 8)(x + 3) = (x + 3)(x - 7 + x + 8) \\  = (x + 3)(2x + 1)

(3) is the answer?

5 0
3 years ago
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