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svp [43]
3 years ago
12

Given 144= 12^2 which statement is true? I’m I right ? If not can you correct me please

Mathematics
1 answer:
Masja [62]3 years ago
8 0

Answer:

I believe that you are correct.

Step-by-step explanation:

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Part A: Factor 5x2b^2 + 14xb^2 − 3b^2. Show your work. (4 points)
wlad13 [49]
A.
alright
we can factor out the b² from everybody

b²(5x²+14x-3)
use ac method
for ax²+bx+c
multiply ac, and remember te result
find what 2 numbers multiply to ac and add to get b
split b up into those 2 numbers
factor
it's confusing so see example below
so

b²(5x²+14x-3)
5 times -3=-15
what 2 numbers multiply to get -15 and add to get 14?
15 and -1
b²(5x+15x-1x-3)
group
b²((5x²+15x)+(-1x-3))
b²(5x(x+3)-1(x+3))
factor
b²(5x-1)(x+3)



B.
what 2 numbers multiply to get 81 and add to get -18?
-9 and -9
(x-9)(x-9) or
(x-9)²

C.
diff of 2 perfect squares
remember a²-b²=(a+b)(a-b)
so
x²-11²=(x+11)(x-11)
7 0
3 years ago
 Joe's water tower leaks 0.6 liters of water per day. How much water is lost over 12 dayspp​
aksik [14]

Answer:

7.2 liters

Step-by-step explanation:

Multiply 12 by 0.6

6 0
3 years ago
Can anyone help me out??
Troyanec [42]

9514 1404 393

Answer:

  p(1) = 6

Step-by-step explanation:

The basic idea is to put 1 wherever you see x. That gives you ...

  p(1) = 2·1² +3·1 +1

The powers of x are all 1 when x=1, so the value of p(1) is just the sum of the coefficients:

  p(1) = 2 + 3 + 1

  p(1) = 6

7 0
3 years ago
Solve the system of equations 3x – 3y = 30 and 2x + y = 11 by<br> combining the equations.
Andreas93 [3]
Times bottom equation by 3 and top by 2 to get the same coefficient of x
6x-6y=60
6x+3y=33
Minus the bottom by the top
-9y=27
y=-3
substitute this in to one of the equations
2x -3 = 11
add 3 to both sides
2x=14
x=7
6 0
3 years ago
What is 9/10 divided by 6.5
noname [10]

Answer:

0.13846153846

3 0
3 years ago
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