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Nuetrik [128]
3 years ago
5

Is it true or false? And how

Mathematics
1 answer:
olasank [31]3 years ago
5 0

The answer is false.

Counterexample:

If a = 4 and b = 2

(4 - 2)^2 = 4

4^2 - 2^2 = 12

Since these answers are not the same this equation is false.

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Please help <br><br> questions 12,14,16
notka56 [123]

Answer:

12) y=3x-15

14) y=-1/2x

16) y=13x-105

Step-by-step explanation:

Parallel lines always have the same slopes but different y-intercepts. So, we can make the equation (b is y-intercept of new equation):

12) y=3x+b

14) y=-1/2x+b

16) y=13x+b

now, we can plug in each of the coordinates given to these equations.

12) (4,-3): 4 is x, -3 is y.

       -3=3(4)+b

      simplify: b= -15

14) (-4,2): -4 is x, 2 is y

      2=-1/2(-4)+b

        simplify: b=0

16) (9,12): 9 is x, 12 is y

       12=13(9)+b

       simplify: b=-105

Now, plug in those numbers to your equation for b value.

12) y=3x-15

14) y=-1/2x

16) y=13x-105

*for 14 we don't need to write anything after -1/2x because b=0*

3 0
3 years ago
Audrey has 32 dimes and quarters in her piggy bank with a total value of $6.50. how many of the coins are dimes and how many are
fgiga [73]
D + q = 32....d = 32 - q
0.10d + 0.25q = 6.50

0.10(32 - q) + 0.25q = 6.50
3.20 - 0.10q + 0.25q = 6.50
-0.10q + 0.25q = 6.50 - 3.20
0.15q = 3.30
q = 3.30 / 0.15
q = 22 <===  22 quarters

d + q = 32
d + 22= 32
d = 32 - 22
d = 10 <=== 10 dimes
7 0
2 years ago
Question 3
Alex17521 [72]

Answer:I think it is true

Step-by-step explanation: If you oversteer then it should loose the traction. But I am not sure hope this helps

6 0
3 years ago
Find the number one-third of the way from 1/6 to 4/5.
masya89 [10]
I got u with this it really easy
3 0
3 years ago
The price of a bus ride rose from $2 to $2.50. If you graphed the function f(x)= the cost of x bus rides, how would the graph ch
DIA [1.3K]
 the line will rise more sharply than before, the slope is steeper, increased from the 2 to 2.5.
6 0
3 years ago
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