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patriot [66]
2 years ago
14

Help me pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Mathematics
1 answer:
yaroslaw [1]2 years ago
7 0

Answer:

The answer is 4z^2 + 7z

Step-by-step explanation:

7z + 4z^2 +6 - 6

So, just combine like term which is 6 - 6 = 0

So, the remaining is 4z^2 + 7z that cannot be simplified anymore

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What are some numbers that are both integers and rational?​
Luda [366]

Answer:

4 and 6

Step-by-step explanation:

4 0
3 years ago
Find the percent of change. 120lbs to 1801bs
mart [117]
Quick Note: I'm pretty sure you meant 180LBS and not 1801bs, so I'm using 180, but if it was 1801 please tell me

Percent of change = \frac{V2 - V1}{V1} *100

Substitute 180 for V2 and 160 for V1
Percent of change = \frac{180-160}{160} * 100

Solve
Percent of change = \frac{20}{160} *100
Percent of change = 0.125 x 100
Percent of change = 12.5%
3 0
3 years ago
A bag contains 4 red, 3 green and 2 blue marbles. What is the probability of selecting a green marble and then a blue marble ass
TiliK225 [7]

1st of all, this makes my brain hurt

2nd of all, which one was the first marble?

5 0
3 years ago
Find the ratio of the width of this basketball court it is permeiter 35( width) 91 ( length)
BartSMP [9]
I hope this helps you



35/91



5.7/13.7


5/13
4 0
3 years ago
The sum of the roots of 3x 2 + 11x - 4 = 0 is<br><br> -11/3<br> -4/3<br> 11/3<br> 4/3
givi [52]

Answer:

The correct option is 1.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0             .... (1)

Then the sum of the roots is -b/a and the product of roots is c/a.

The given equation is

3x^2+11x-4=0          ... (2)

From (1) and (2) we get a=3, b=11 and c=-4.

The sum of roots is

\frac{-b}{a}=-\frac{11}{3}

The sum of roots is -\frac{11}{3}.

Therefore the correct option is 1.

5 0
3 years ago
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