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zhannawk [14.2K]
3 years ago
11

Plz help I have no clue how to do 1 and 2

Mathematics
1 answer:
Elan Coil [88]3 years ago
3 0
1) y= 1/2x+2 and I have no idea about 2
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Cheyenne multiplied three numbers together and divided by 4. The result was a negative value. Which of the following statements
STALIN [3.7K]
An odd number of factors were negative because if 1 number was negative and 2 were positive, positive times positive is positive. The answer times a negative number would be negative.

(positive times negative is negative0
7 0
3 years ago
What is the degree of differential equation? ?​
Delicious77 [7]

Answer:

Degree = 1

Step-by-step explanation:

Given:

The differential equation is given as:

\frac{d^2y}{dx^2}+(\frac{dy}{dx})^2+6y=0

The given differential equation is of the order 2 as the derivative is done 2 times as evident from the first term of the differential equation.

The degree of a differential equation is the exponent of the term which is the order of the differential equation. The terms which represents the differential equation must satisfy the following points:

  • They must be free from fractional terms.
  • Shouldn't have derivatives in any fraction.
  • The highest order term shouldn't be exponential, logarithmic or trigonometric function.

The above differential equation doesn't involve any of the above conditions. The exponent to which the first term is raised is 1.

Therefore, the degree of the given differential equation is 1.

6 0
3 years ago
Twice the sum of a number and 3 is equal to three times the difference of the number and 7. Find the number
Agata [3.3K]

Answer:

The number is 27

Step-by-step explanation:

Let us change the word statement to an algebraic equation

→ Assume that the number is x

→ Twice the sum of a number and 3, means add x by 3, then multiply the sum by 2

→ The algebraic expression is 2(x + 3)

→ Three times the difference of the number and 7, means subtract x and 7, then multiply the difference by 3

→ The algebraic expression is 3(x - 7)

→ Equate the two expressions

∴ 2(x + 3) = 3(x - 7)

→ Simplify each side

∵ 2(x + 3) = 2(x) + 2(3) = 2x + 6

∵ 3(x - 7) = 3(x) - 3(7) = 3x - 21

∴ 2x + 6 = 3x - 21

Let us solve the equation to find x

→ Subtract 6 from both sides

∴ 2x + 6 - 6 = 3x -21 - 6

∴ 2x = 3x - 21

→ Subtract 3x from both sides

∴ 2x - 3x = 3x - 3x - 27

∴ -x = -27

→ Divide both sides by -1

∴ x = 27

The number is 27

6 0
3 years ago
What is the slope of these two points (2,-6) and (5,-12
Blizzard [7]

Step-by-step explanation:

slope= <u>y</u><u>²</u><u>-</u><u>y</u><u>¹</u>

x²-x¹

<u>-12--6</u>

5-2

-12+6

6 0
3 years ago
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