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3 years ago

Find the approximate height of the flagpole.

Mathematics

2 answers:

STatiana [176]3 years ago

8 0

B the answer is 60 feet

DochEvi [55]3 years ago

7 0

Tan(40)=Height÷50

Height
=50(tan(40))
=42 feet (to nearest whole number)

Hence answer is C

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Find dyldx.<br> 3. y=2x sin(3x)

vredina [299]

Answer:

$\large\boxed{\dfrac{dy}{dx}=2\sin(3x)+6\cos(3x)}$

Step-by-step explanation:

$\dfrac{dy}{dx}=(2x\sin(3x))'\\\\\text{use}\ \bigg(g(x)\cdot f(x)\bigg)'=g'(c)f(x)+g(x)f'(x)\\\\\text{and}\ \bigg(f(g(x))\bigg)'=f'(g(x))\cdot g'(x)\\\\\dfrac{dy}{dx}=(2x)'(\sin(3x))+(2x)(\sin(3x))'\\\\\dfrac{dy}{dx}=2\sin(3x)+(2x)(\cos(3x)\cdot(3x)')\\\\\dfrac{dy}{dx}=2\sin(3x)+2x\cos(3x)\cdot3\\\\\dfrac{dy}{dx}=2\sin(3x)+6\cos(3x)$

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3 years ago

James is placing an order for four for his bakery. The company he purchases from charges $25 for the first bag and $5 for each a

VARVARA [1.3K]

Answer:

A: CxB= Total

A: (4x19)x5+25=$405

Step-by-step explanation:

First you would find the total of all of the 4 bags. Witch would be 4x19=76. Then you would multiply that by shipping cost 76x5=380. Lastly you would add the $25 380+$25= 405. Think that is right. Hope this helps!

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3 years ago

Y = 4x - 2<br> y = x + 3

mihalych1998 [28]

Answer:

Step-by-step explanation:

x = 1

(x^2-4x+3=0 or sin(x)=1)

x = 1

( x^2-4x+3=0 or sin(x)=1)

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3 years ago

(1, -6) and ( -8, 9 )

hichkok12 [17]

Answer:

What is the question am I supposed to calculate the slope? If so then the answer is 5/-3

Step-by-step explanation:

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3 years ago

What type of function can be used to model the scenario?

solmaris [256]

Answer:

1. Exponential

2. Linear

Step-by-step explanation:

1. Exponential

Principal = 15000

Rate, r = 6.5% compounded annually

A = P(1 + r)^t

A = 15000(1 + 0.065)^t

A = 15000(1.065)^t

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Let initial amount in bank = x

Amount added per week = 2

Number of weeks or period = t

A = x + 2t

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3 years ago