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GenaCL600 [577]
3 years ago
12

If f(x) = 2x^2 - 4x - 3' and `g(x) = (x - 4)(x + 4)", find 'f(x) - g(x).

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

B

Step-by-step explanation:

f(x) - g(x)

= 2x² - 4x - 3 - (x - 4)(x + 4) ← expand using FOIL

= 2x² - 4x - 3 - (x² - 16) ← distribute by - 1

= 2x² - 4x - 3 - x² + 16 ← collect like terms

= x² - 4x + 13 → B

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It took Fran 1.8 hours to drive to her​ mother's house on Saturday morning. On her return trip on Sunday ​night, traffic was​ he
cupoosta [38]

Answer:

  54 mph

Step-by-step explanation:

Let s represent the slower speed. The product of speed and time is distance, which did not change between the two trips. So, we have ...

  1.8(s +6) = 2(s)

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Fran's average speed on Sunday was 54 miles per hour.

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7 0
4 years ago
La señora esta caminando en la calle y saludo a todos 
grandymaker [24]
Hola, necesita ayuda con translation? 
La señora esta caminando en la calle y Saludo a todos.
The woman is walking in the street and greets everyone.
5 0
3 years ago
How does 4 digit addends have a 5 digit sum
denpristay [2]
A 4 digit addends could have a 5 digit sum because of the rule of regrouping.
Regrouping is a situation where carrying and borrowing is involves. So let’s have an example

  8999
<span>+5678
</span>14677

so in this example, we added 8999 to 5678.
9+8 = 17, so we bring down 7 and carry 1
9 + 7 = 16 + 1 = 17 , so again we bring down 7 carry 1
9 + 6 = 15 + 1 = 16, bring down 6 carry 1
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=> 14, 677
3 0
3 years ago
Don’t mind my handwriting but can someone help me please
Leno4ka [110]

Answer: A: 3/5

Step-by-step explanation:

He made 9 shots

He attempted 15

The ratio will be 9/15, which can be simplified to 3/5

Have a nice day :)

5 0
3 years ago
What is 3,480,000,000 in scientific notation
REY [17]
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I hope this is right.
6 0
3 years ago
Read 2 more answers
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