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Tems11 [23]
3 years ago
6

Verify that the function is a solution of the initial value problem. (a) y = x cos x; y = cos x − y tan x, y(π/4) = π 4 √2

Mathematics
1 answer:
MariettaO [177]3 years ago
8 0

Answer:

Verified as shown in the attached file

Step-by-step explanation:

The detailed step by step explanation and appropriate integration is as shown in the attached file.

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What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form? x = –4 ± 2StartRoot 3 EndRoot x = –4
SCORPION-xisa [38]

Answer:

<h2>x = -4 ± 2√(3)  </h2><h2 />

Step-by-step explanation:

Discriminant Δ = √(8²-4×(1)×(4)) = √(48) = √(4×12) = √(4)×√(12) = 2√(12)

then x = (-8 ± 2√(12))÷2 = -4 ±√(12) = -4 ±√(3×4) = -4 ± 2√(3)  

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3 years ago
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The perimeter of a rectangular playgroundis 46m. If the length of the park is 7m, what is the width of the park ?
Vikki [24]

Answer:

32

Step-by-step explanation:

7m + 7m = 14m

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4 0
3 years ago
Find the mean of the integers -45 -20 -35 -25 -40
maxonik [38]

Answer:

-33

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Hope it helps.

8 0
3 years ago
I need help really badly please help me I’ll give brainiest
Mashutka [201]

Answer:

75%

Step-by-step explanation:

15+15+25+5=60

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4 0
3 years ago
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