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Verdich [7]
3 years ago
7

A moving sidewalk takes zoo visitors up a hill. The

Mathematics
1 answer:
irina [24]3 years ago
7 0

Answer:

x = 185.458 ft

Step-by-step explanation:

When we draw a picture, we are able to see that we need to use sin∅ to solve this problem:

sin15° = 48/x

xsin15° = 48

x = 48/sin14°

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jony is twice as old as chika. jony is now 2 years old how old will chika be when jony is 30 years old
Serjik [45]
Jony is 2 now and is 2x older than Chika.  So Chika is 1 year old.  This means Chika is 1 year younger than Jony.  When Jony is 30, Chika is 29

5 0
3 years ago
What is the answer to this? Will someone help me?<br> 5+(9)(6)
sineoko [7]
Answer: 59
explanation: PEMDAS, first multiply 9x6 as they are multiplication then add

good luck!
4 0
3 years ago
Read 2 more answers
Solve 6 sin((π/5)x)=5 for the four smallest positive solutions
cupoosta [38]

Answer:

1.568, 3.432, 11.568, 13.432

Step-by-step explanation:

Divide equation 6\sin\left(\dfrac{\pi }{5}x\right)=5 by 6:

\sin\left(\dfrac{\pi }{5}x\right)=\dfrac{5}{6}.

Then

\dfrac{\pi }{5}x=(-1)^k\arcsin\left(\dfrac{5}{6}\right)+\pi k,\ k\in Z,

x=(-1)^k\dfrac{5}{\pi }\arcsin\left(\dfrac{5}{6}\right)+5k,\ k\in Z.

Since \arcsin\left(\dfrac{5}{6}\right)\approx 56^{\circ}\approx \dfrac{\pi }{3.2},

four smallest positive solutions are

1. \dfrac{5}{3.2}\approx 1.568,\ k=0;

2. \dfrac{-5}{3.2}+5\approx 3.432,\ k=1;

3. \dfrac{5}{3.2}+10\approx 11.568,\ k=2;

4. \dfrac{-5}{3.2}+15\approx 13.432,\ k=3.

3 0
3 years ago
What 4c=12<br> 4c/4=12.4
stiks02 [169]

Answer:

c =3

Step-by-step explanation:

4c = 12

Divide each side by 4

4c/4 =12/4

c = 3

5 0
3 years ago
Does Anybody know this? Find the area of the shaded sector
Sunny_sXe [5.5K]

Step-by-step explanation:

your teacher was very nice and warned you about the trap in the question.

so, really, what do we have to do ?

a full circle represents 360°.

the shaded sector is the full circle minus the white sector !

this is the same as directly calculating the shaded sector for 360-75 = 285°.

so, the area of a circle is

pi×r²

in our case

pi×20² = 400pi

the needed fraction of the whole circle is either

75/360, if we want to subtract it for the solution

or

285/360, if we want to calculate the solution directly.

both lead to the same result.

400pi×360/360 - 400pi×75/360 =

= 400pi × 285/360 = 10pi × 285/9 = 2850pi/9 =

= 316.6666666...pi ≈ 316.7pi

8 0
2 years ago
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