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Igoryamba
3 years ago
9

Consider the differential equation dydx=6x, dydx=6x, with initial condition y(0)=4y(0)=4.

Mathematics
1 answer:
topjm [15]3 years ago
4 0
Formatting is kind of messed up. I'm assuming the differential equations is dy/dx = 6x

You need to get all the x's on one side and y'all on the other.

dy =6x dx

Integrate both sides.

y = 3x^2 + C

Now plug in the given values

y(0) = 4 = 3(0)^2 + C

C = 0

y = 3x^2

Plug 1 in for x to find the value of y(1)

y(1) = 3(1)^2 = 3







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Find y when x = 3 of the equation for y=2x+12
ser-zykov [4K]

Answer:

y = 18

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

y = 2x + 12

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                                                                                                y = 2(3) + 12
  2. Multiply:                                                                                                           y = 6 + 12
  3. Add:                                                                                                                 y = 18
3 0
3 years ago
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A square television screen has sides that are 23 inches. Find the approximate length of its diagonal to the nearest tenth of an
Lana71 [14]

Answer:

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Step-by-step explanation:

6 0
3 years ago
AND THEN ONCE U HAVE THE ANSWER <br>FIND THE LENGTH OF AC ​
Vadim26 [7]

Answer:

AC=18

Step-by-step explanation:

To find AC, use the Pythagorean Theorem.  Since the longest side (hypotenuse) is known, instead of a²+b²=c², the equation will be c²-a²=b².  12²-8²=b²

144-64=b²

80=b²

√80=√b²

8.94427191=b

That is for one of the two right triangles that make up the tent.  Since there are 2 triangles, 8.94427191 only equals BC or AB.  So, multiply 8.94427191×2=17.88854382 to find the length of AC.

AC= 18

6 0
3 years ago
PLS HELP I'LL MARK BRAINLEST
Andru [333]

Answer: x=55

Step-by-step explanation: 35+35=70. 180-70=110. 110/2=55.

6 0
2 years ago
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Ms. allegre has 20 students in her class.There are 8 female students ,and the rest of the class are male . Which of these repres
Volgvan

Answer:

all these answer choices are wrong? if there are 8 female students and 20 students total then it will be 8/20 which can be simplified to 4/10 or 2/5.  

Step-by-step explanation:

8 females/ 20 students

3 0
3 years ago
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