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Korolek [52]
3 years ago
7

I need help ASAP please with all of them

Mathematics
1 answer:
ratelena [41]3 years ago
3 0

The third one I think I'm not sure

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Simplify 18-2[x + (x - 5)].<br> O8-4x<br> 28 - 4x<br> 28 - 2x
densk [106]

Answer:

28-4x

Step-by-step explanation:

Step 1: Open most inner bracket and simplify

=18-2(x+x-5)

=18-2(2x-5)

Step 2: Expand brackets by multiplying 2 in and simplify

=18-2(2x)-2(-5)

=18-4x+10

=28-4x

Therefore the answer is 28-4x

3 0
2 years ago
IF CORRECT ILLL BIVE U BRAINLIEST NEED FAST PLS
Montano1993 [528]

Answer: The first one -4x-3<13

Step-by-step explanation: because they didn't really tell us what happened to the 3 just that the 3 disappeared and the 13 became 16

5 0
1 year ago
(2y^3+5y^2-y+15) ÷ (y-4)
Sveta_85 [38]
ANSWER: 2y^2 + 13y +51 r(219/y-4)

picture explanation too:

8 0
3 years ago
Find the midpoint of the segment with the following endpoints.<br> (8,2) and (1,10)
ioda

Answer:

I am not sure but i think the midpoint is 4.5 and 6

5 0
3 years ago
4. Identify the term with coefficient -3 in the expression:<br> 9a3 + 4b2 - 3c + 11
Mrrafil [7]

Answer:

-3 is the coefficient of c.

Step-by-step explanation:

The given expression is :

9a³ + 4b² - 3c + 11

We need to find the term with coefficient -3 in the expression.

The coefficient is defined as a number or quantity placed with a variable.

The coefficient of a³ = 9

The coefficient of b² = 4

The coefficient of c = -3

Hence, -3 is the coefficient of c.

8 0
3 years ago
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