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Tanzania [10]
3 years ago
13

A wire is attached at the top of a 500 ft vertical antenna and is staked in the ground 1200 ft from the base of the antenna. how

long in feet is the guy wire? (enter an exact number.)
Mathematics
1 answer:
Lady_Fox [76]3 years ago
8 0
A^2 + b^2 = c^2
(500)^2 + (1200)^2 = c^2
1,690,000 = c^2
take the square root of 1,690,000
Answer is 1,300 feet
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If PQ bisects CX at point J, and if JX = 4y and CJ = y+9 find y
MAXImum [283]
Since PQ bisects CX at point J, JX=CJ

4y=y+9
-y   -y
3y=9
divide by 3
y=3
3 0
3 years ago
Marcie cooked dinner for herself. The original recipe has a serving size of 4 and requires four and four fifths pounds of chicke
Margarita [4]

Answer:

1.2 pounds of chicken per serving.

Step-by-step explanation:

4 and 4/5 of pounds of chicken for serving of 4.

We can also write this as 4.8 pounds of chicken.

To find how much pound of chicken will be needed for a single serving we have to divide 4.8 by 4.

\frac{4.8}{4}  = 1.2 \: pounds \: of \: chicken

If this answer helped you, give this answer a heart and rate it.

Thanks!

7 0
2 years ago
A guitar string is plucked at a distance of 0.6 centimeters above its resting position and then released, causing vibration. The
liubo4ka [24]

Answer:

The equation that represents the motion of the string is given by:

y =Ae^{-kt}\cos(2\pi ft)     .....[1] where t represents the time in second.

Given that: A = 0.6 cm (distance above its resting position) , k = 1.8(damping constant) and frequency(f) = 105 cycles per second.

Substitute the given values in [1] we get;

y =0.6e^{-1.8t}\cos(2\pi 105t)  

or

y =0.6e^{-1.8t}\cos(210\pi t)  

(a)

The trigonometric function that models the motion of the string is given by:

y =0.6e^{-1.8t}\cos(210\pi t)

(b)

Determine the amount of time t that it takes the string to be damped so that -0.24\leq y \leq0.24

Using graphing calculator for the equation

y =0.6e^{-1.8x}\cos(210\pi x)

let x = t (time in sec)  

Graph as shown below in the attachment:

we get:

the amount of time t that it takes the string to be damped so that -0.24\leq y \leq0.24 is, 0.5 sec


4 0
3 years ago
5. Consider the diagram below. Solve for x.
mrs_skeptik [129]

Answer:

41 degrees

Step-by-step explanation:

The three angles need to add up to 180 degrees!

4 0
3 years ago
Solve for x. Please Help
IceJOKER [234]
I’m pretty sure it would be C
4 0
3 years ago
Read 2 more answers
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