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vichka [17]
2 years ago
11

Why is this not working -2^2

Mathematics
2 answers:
BARSIC [14]2 years ago
5 0

Answer:

-4

Step-by-step explanation:

(-2)^2=4 because a negative number squared is always positive

-(2)^2=-4

Alex17521 [72]2 years ago
4 0

Answer:

try putting the minus value in brackets

Step-by-step explanation:

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Factorise-              6y-15y^2<br>     HELP
Citrus2011 [14]
We will take the common terms in the expressions-

Here in the expression, 3y is a common term.
So,

6y - 15y^{2}

3y(2 - 5y)

So, the answer is 3y(2 -5y)
7 0
3 years ago
Read 2 more answers
Determine the solution to f(x) = g(x) using the following system of equations: f(x) = 3x + 12 g(x) = -9.5x - 13
Anit [1.1K]
Answer:

x=2

Step by step:
f(x)=g(x)

3x+12= -9.5x-13 simplifies to the equation below

3x+9.5x= -13-12

12.5x= -25
next, divide by 12 on both sides to isolate the variable, x.

12.5x/12 = -25/12

x=-2

to check: 3(-2)+12= -95x(-2)-13
-6+12= 19-13
6=6 ✅
7 0
2 years ago
Read 2 more answers
What is the difference of polynomials (8r6s3-9r5s4+3r4s5)-(2r4s-5r6-4r5s4)
Alinara [238K]
If you would like to solve <span>(8r^6s^3 – 9r^5s^4 + 3r^4s^5) – (2r^4s^5 – 5r^3s^6 – 4r^5s^4), you can do this using the following steps:

</span>(8r^6s^3 – 9r^5s^4 + 3r^4s^5) – (2r^4s^5 – 5r^3s^6 – 4r^5s^4) = 8r^6s^3 – 9r^5s^4 + 3r^4s^5 – 2r^4s^5 + 5r^3s^6 + 4r^5s^4 = 8r^6s^3 – 5r^5s^4 + r^4s^5<span> + 5r^3s^6
</span>
The correct result would be 8r^6s^3 – 5r^5s^4 + r^4s^5<span> + 5r^3s^6.</span>
7 0
3 years ago
What is the solution of log4x − 616 = 4? x = −2 x = 2 x = 3 x = 4
ivolga24 [154]
<span>This is how to solve for log expressions.
First, do the arithmetic such that all that can be solved is in the other side, besides log. 
There are different properties of log to help you solve log expressions.

log4x − 616 = 4
</span><span>log4x = 620
</span>Change how it is written to solve for x.
x^620 = 4
This makes no sense so we try again.

Or, this could be solved differently.
log 4x-6 16 = 4
(4x-6) ^4 = 16
256x - 1296 = 16
x = 5.125

Final answer: x = 5
3 0
3 years ago
On Sunday, Dan collected 6.8 pounds of aluminum for recycling. On Monday he collected another 8.75 pounds. What is the total num
sweet-ann [11.9K]
Lets look at the information we have:-

6.8 pounds on Sunday
8.75 pounds on Monday
How many pounds did he collect together on these 2 days?

Add:-

6.8 + 8.75 = 15.55
Dan collected 15.55 pounds of aluminum on these 2 days. 

CHECK OUR WORK:-

15.55 - 8.75 = 6.8
We were RIGHT!! 

So, Dan collected 15.55 pounds of aluminum on these 2 days. 

Hope I helped ya!! xD 
6 0
3 years ago
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