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Vlada [557]
3 years ago
9

Help me with these questions

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0
For number 6 it's 30 x 45
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One copy of a new book by Amanda's favorite author cost $9.45. If a total of 2,740 copies of the book were sold on the first day
Arisa [49]
Without taking out the cost that would be given to the author and publisher it would be $25,893, you just multiply 9.45 by 2,740
4 0
3 years ago
Please please please please help me someone
Shtirlitz [24]

Answer:

That incorrect

Step-by-step explanation:

Yes

3 0
2 years ago
(4 + y = 19) what is y
Fiesta28 [93]
4 + y = 19

y = 19 - 4

y = 15
5 0
3 years ago
PLS HELP
Katena32 [7]

Answer:

-30x^2-9x+12  all real numbers

Step-by-step explanation:

f(x) = -6x + 3 and g(x) = 5x + 4

f(x) * g(x) = (-6x + 3) * ( 5x + 4)

FOIL

            = -30x^2 -24x+15x +12

Combine like terms

           =-30x^2-9x+12

The domain is what numbers x can take

There are no restrictions so all real numbers

3 0
3 years ago
G(x)=-x^2-1-2x<br> f(x)=x+5<br> Find (g-f)(x)
nikitadnepr [17]

(g-f)(x) is x² - 3x - 6

<u>Step-by-step explanation:</u>

Step 1:

Given g(x) = x² - 1 - 2x, f(x) = x + 5. Find (g-f)(x)

(g-f)(x) = x² - 2x - 1 - (x + 5) = x² - 2x - 1 - x - 5 = x² - 3x - 6

3 0
3 years ago
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