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Sophie [7]
3 years ago
11

Which would the phrase "the difference between a number and 2" look like as a variable expression? x−2 2x−2 2x + 2 2 + x

Mathematics
1 answer:
stich3 [128]3 years ago
3 0

Answer:

x - 2

Step-by-step explanation:

"difference" means subtraction (-)

"a number" means an unknown variable -- x

x - 2

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F(x)=8_-4x-x^3. g(x)=x^2+7x-9. Find f(x)+g(x)
11111nata11111 [884]

(8 - 4x -  {x}^{3} ) + ( {x}^{2}  + 7x - 9) \\  =  -  {x}^{3}  +  {x}^{2}  - 4x + 7x + 8 - 9 \\  =  -  {x}^{3}  +  {x}^{2}  + 3x - 1
(8x - 4x -  {x}^{3} ) + ( {x}^{2}  + 7x - 9) \\  -  {x}^{3}  +  {x}^{2}  + 8x - 4x + 7x - 9 \\  -  {x}^{3}  +  {x}^{2}  + 11x - 9
The answer is either B, and you forgot to put in the ^2 in the answer choice, or C, and you forgot to put an x where there is a _ in the question.

Check the actual question (the one you recieved, not the one posted here) and see where the mistakes are. If f(x) = 8x - 4x - x^3, then your answer is C. However, if B is actually -x^3 + x^2 + 3x - 1, then the answer is B.
7 0
3 years ago
Rank in decreasing order 8.58, 8.508, 7.058, 7.5
8_murik_8 [283]
7.5 8.58 7.058 8.508
8 0
3 years ago
Factor 16x2 + 40x + 25
scoray [572]
The answer is c to your question
3 0
3 years ago
Find The Value x ~<br><img src="https://tex.z-dn.net/?f=%20%5Clarge%20%5Csf%20%5Cunderline%20%5Cbold%7B4x%20%2B%2026%20%3D%2016%
Nikitich [7]

The value of x in the algebraic equation is: -5/2.

<h3>How do you Find the Value of a Variable in an Algebraic Equation?</h3>

Given an algebraic equation, to find the unknown value of x, solve by isolating x in the equation.

Given:

4x + 26 = 16

Subtract 26 from both sides

4x = 16 - 26

4x = -10

Divide both sides by 4

x = -10/4

x = -5/2

Therefore, the value of x in the algebraic equation is: -5/2.

Learn more about algebraic equation on:

brainly.com/question/2164351

6 0
2 years ago
Read 2 more answers
Time Remaining C.14:06
Olegator [25]

Answer:

Step-by-step explanation:

a=8

b=41

c=39

sorry if im too late

7 0
3 years ago
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