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juin [17]
3 years ago
14

Please help me with this homework

Mathematics
2 answers:
meriva3 years ago
6 0
I don’t understand it cause it’s sideways
kirza4 [7]3 years ago
3 0

Answer:

its sideways

Step-by-step explanation:

i cant understand it sorry

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shutvik [7]

Answer:

A is correct

Step-by-step explanation:

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2 years ago
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Workout the value of x.
anyanavicka [17]
Answer: The value of X is 97 degrees


Explanation:
7 0
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One number is 6 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is580 ​,
jenyasd209 [6]

Answer:

x = 60

1) 60

2) 360

3) 160

60 + 360 + 160 = 580

Step-by-step explanation:

1) x

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2 years ago
Find the line integral with respect to arc length ∫C(9x+5y)ds, where C is the line segment in the xy-plane with endpoints P=(2,0
Gemiola [76]

(a) You can parameterize <em>C</em> by the vector function

<em>r</em><em>(t)</em> = (<em>x(t)</em>, <em>y(t)</em> ) = <em>P</em> (1 - <em>t </em>) + <em>Q</em> <em>t</em> = (2 - 2<em>t</em>, 7<em>t</em> )

where 0 ≤ <em>t</em> ≤ 1.

(b) From the above parameterization, we have

<em>r</em><em>'(t)</em> = (-2, 7)   ==>   ||<em>r</em><em>'(t)</em>|| = √((-2)² + 7²) = √53

Then

d<em>s</em> = √53 d<em>t</em>

and the line integral is

\displaystyle\int_C(9x(t)+5y(t))\,\mathrm ds = \boxed{\sqrt{53}\int_0^1(17t+18)\,\mathrm dt}

(c) The remaining integral is pretty simple,

\displaystyle\sqrt{53}\int_0^1(17t+18)\,\mathrm dt = \sqrt{53}\left(\frac{17}2t^2+18t\right)\bigg|_{t=0}^{t=1} = \boxed{\frac{53^{3/2}}2}

6 0
2 years ago
Round 86 to the nearest 10
a_sh-v [17]

Answer:

90

Step-by-step explanation:

3 0
2 years ago
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