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IgorLugansk [536]
4 years ago
13

​(a) Show that y Superscript 8 Baseline plus x minus 3 equals 0 is an implicit solution to StartFraction dy Over dx EndFraction

equals negative StartFraction 1 Over 8 y Superscript 7 EndFraction on the interval (negative infinity comma 3 ). ​(b) Show that xy Superscript 9 Baseline minus xy Superscript 9 Baseline cosine x equals 1 is an implicit solution to the differential equation StartFraction dy Over dx EndFraction equals StartFraction (negative x sine x plus cosine x minus 1 )y Over 9 (x minus x cosine x )EndFraction on the interval (0 comma 2 pi ). ​(c) To verify the solution and the​ interval, convert y Superscript 8 Baseline plus x minus 3 equals 0 to explicit​ function(s). yequals RootIndex 8 StartRoot x plus 3 EndRoot ​(Use a comma to separate answers as​ needed.)
Mathematics
1 answer:
Nitella [24]4 years ago
8 0

Answer:

a

Step-by-step explanation:

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Step-by-step explanation:

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It’s kinda hard to read but 3/10 is first on .3, 4/5 is next on .4, and then pi/5 is last on .6

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Pre image ABCD was dilated to produce image A’B’C’D why is the scale factor from the pre image? Enter your answer in the box as
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The scale factor of the dilation from ABCD to A′B′C′D′ is 3.

Step-by-step explanation:

Step 1:

In the pre-image ABCD, the length of one of the sides is given as 14 units.

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Step 2:

To determine the scale factor, we divide the measurement after scaling by the same measurement before scaling.

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Solve for z: -21 = z - (-6 - 2z)
Pepsi [2]

Answer:

z = -9

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

Equality Properties

<u>Algebra I</u>

  • Terms/Coefficients/Degrees

Step-by-step explanation:

<u>Step 1: Define</u>

-21 = z - (-6 - 2z)

<u>Step 2: Solve for </u><u><em>z</em></u>

  1. Distribute negative:                      -21 = z + 6 + 2z
  2. Combine like terms:                     -21 = 3z + 6
  3. Isolate <em>z</em> term:                               -27 = 3z
  4. Isolate <em>z</em>:                                        -9 = z
  5. Rewrite:                                         z = -9
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Answer:

c

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