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jarptica [38.1K]
3 years ago
14

Multiply (4x-3)(4x - 3) *

Mathematics
2 answers:
I am Lyosha [343]3 years ago
7 0

Answer:

16x^2 -24x +9

Step-by-step explanation:

4x x 4x = 16x^2

4x x -3 = -12x

4x x -3 = -12x

-3 x -3 = +9

When all values are put together, they will form:

16x^2 -12x -12x +9

Once simplified, the equation will be:

16^2 -24x +9

mixer [17]3 years ago
7 0

Answer:

16x^2 - 9

Step-by-step explanation:

It is possible to solve this without actually multiplying.

There is a rule: (a+b)(a-b) = a^2 - b^2

So, when this is applied here:

(4x-3) (4x + 3) = 16x^2 - 9

All you had to do was 4x^2 and 3^2

Hope this helps.

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melisa1 [442]

Answer:

Slope of Line 1 = 4/3

Slope of Line 2 = 1/2

Slope of Line 3 = 4/3

For each pairs of lines, determine whether they're parallel, perpendicular or either.

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6 0
3 years ago
What is 540% as a decimal
bekas [8.4K]
The answer to this question would be the decimal 5.4
6 0
3 years ago
Read 2 more answers
Solve 0= 2t^3-21t^2+ 40t
sukhopar [10]
0=2t^3-21^2+40t
switch sides
2t^3-21t^2+40t=0
solve factoring 
t(t-8)(2t-5)=0
using the zero factor principle
t=0

solve
t-8=0:t=8
solve
2t-5=0:t= \frac{5}{2}
t=0,t=8,t= \frac{5}{2}
Hope this helps

4 0
4 years ago
Ethan repairs household appliances like dishwashers and refrigerators. For each visit, he charges $25 plus $20 per hour of work.
dalvyx [7]

Answer:the independent variable is x, the number of hours of work.

The dependent variable is y, the total charge for x hours of work.

Step-by-step explanation:

A change in the value of the independent variable causes a corresponding change in the value of in dependent variable. Thus, the dependent variable is is output while the independent variable is the input

For each visit, he charges $25 plus $20 per hour of work. The linear expression that represents the total amount of money that Ethan earns per visit is y = 25 + 20x.

Since the total amount charged, y depends on the number of hours of work, x, it means that the dependent variable is y and the independent variable is x

4 0
3 years ago
What is 13 nickels combined with 6 dimes?
Setler [38]
125 = 6 dimes = 60 and 13 nickles = 65

60+65= 125

Hope i was the brainliest asnwer.
6 0
3 years ago
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