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Bingel [31]
3 years ago
14

I need all three answer for an assignment

Mathematics
2 answers:
AfilCa [17]3 years ago
7 0
This is false... you can get an easy example: (-2) + (10) = 10 - 2 = 8
katen-ka-za [31]3 years ago
3 0
The answer is A, it is below sea lever by 12, then raised to sea level because it is 12 m higher
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If 2x – 1 is a factor of 16x4<br> 24x3 + 2x + f, find f.
Nastasia [14]

Answer:

f = -5

Step-by-step explanation:

If 2x – 1 is a factor of 16x4 + 24x3 + 2x + f, find f.

If 2x - 1 = 16x⁴ + 24x³ + 2x + f, find f.

2x - 1 = 0

2x = 1

x = 1/2

Hence

f(1/2) = 16(1/2)⁴ + 24(1/2)³ + 2(1/2) + f

= 16(1/16) + 24(1/8) + 1 + f

= 1 + 3 + 1 + f

= 5+ f

f = -5

7 0
3 years ago
Solve this problem y=(x-3)^2 when x=9​
atroni [7]
Y=36

it basically says y=(9-3)^2
which is y=6^2
which is then y=36
3 0
3 years ago
-8x+2y=-2<br> 4x+4y=-4<br> What is the solution to the system
pickupchik [31]

The solution to system is x = 0 and y = -1

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

-8x + 2y = -2 ----------- eqn 1

4x + 4y = -4 ---------- eqn 2

We have to solve the system of equations

We can solve the equations by elimination method

<em><u>Multiply eqn 2 by 2</u></em>

8x + 8y = -8 ------ eqn 3

<em><u>Add eqn 1 and eqn 3</u></em>

-8x + 2y = -2

8x + 8y = -8

( + ) ---------------

0x + 2y + 8y = -2 - 8

10y = -10

Divide both sides by 10

y = -1

<em><u>Substitute y = -1 in eqn 1</u></em>

-8x + 2(-1) = -2

-8x - 2 = -2

-8x = -2 + 2

x = 0

Thus the solution to system is x = 0 and y = -1

3 0
3 years ago
What is 0.512 as a percentage
Sonja [21]

Answer:

51.2%

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve: 6 – x = 4(5 + x) – 4
frez [133]

Answer:

x= -2

Step-by-step explanation:

3 0
3 years ago
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