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sergey [27]
3 years ago
10

Which expression is equivalent to the following expression? -4 (5x - 6)

Mathematics
1 answer:
Darya [45]3 years ago
4 0

Step-by-step explanation:

2.) -20× + 24

maaf kalo salah

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On a fishing trip, mark caught twenty - four fish. He caught some rock fish averaging 2.5 pounds and some blue fish averaging 8
zloy xaker [14]
He cause 14 blue fish and 10 rock fish
14x8=112 10x2.5=25 112+25=137
7 0
3 years ago
Simplify this expression : 2x(x-1)-3x^2-(5x-4)
Setler [38]

Answer:

-x^2 - 7x + 4

Step-by-step explanation:

2x(x - 1) - 3x^2 - (5x - 4)

= 2x^2 - 2x - 3x^2 - 5x + 4

Adding like terms, we get:-

-x^2 - 7x + 4   (answer).


6 0
3 years ago
WILL GET BRANLIEST
erma4kov [3.2K]

Answer:

The correct options are;

Answer to A1 is D

Answer to A2 is D

Answer to A3 is D

Answer to A4 is D

Answer to A5 is D

Answer to A6 is D

Answer to A7 is D

Answer to A8 is D

Answer to A9 is D

Answer to B1 is I

Answer to B2 is I

Answer to B3 is I

Answer to B4 is I

Answer to B5 is I

Answer to B6 is I

Step-by-step explanation:

The given function is f(x) = 9·x² + 54·x - 66

The extremum of the function are found as follows;

d(f(x))/dx = 0 = d(9·x² + 54·x - 66)/dx = 18·x + 54

∴ 18·x + 54 = 0 at the maximum or minimum points

x = -54/18 = -3

Given that d²(f(x))/dx² = 18 > 0. x = -3 is a minimum point

Given that the function is a quadratic function, we have;

1) Points to the left of x = -3 are decreasing

2) Points to the right of x = -3 are increasing.

6 0
3 years ago
?Write the phrase as a rate in simplest form.<br> ?260 inches in 15 seconds<br><br> ?
melomori [17]

Answer: 52:3


Step-by-step explanation:

260 divided by 5 = 52

15 divided by 5 = 3

260:15 = 52:3


6 0
3 years ago
Joan sold half of her comic books and then bought 8 more. She now has 11. How many did she begin with?
nata0808 [166]

Answer:

6

Step-by-step explanation:

11-8=3

3x2=6

So, the answer is 6

5 0
2 years ago
Read 2 more answers
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