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True [87]
3 years ago
6

Simplify these two problems and show how you got them.

Mathematics
1 answer:
bogdanovich [222]3 years ago
5 0

Step-by-step explanation:

all work is shown and picture

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For the given central angle, determine the distance traveled along the unit circle from the point (1, 0). 360 degrees a. 6.28 un
Alekssandra [29.7K]

Answer:

The length of a 180° arc of a unit circle is π ≈ 3.14 units.

Step-by-step explanation:

Use your knowledge of the circumference of a circle (the length full around) and the fact that there are 360° in the central angle of a full circle. The distance around is proportional to the angle, so an arc of measure 180° will have a length equal to

... (180°/360°) × circumference = (1/2)×circumference

For a unit circle, the circumference is 2π (= π×diameter = 2π×radius). Half that length is π units.

4 0
2 years ago
4*10^(-3x)=18 Express the solution as a logarithm in base-101010.
Kobotan [32]

Answer:

Hi how are you doing today Jasmine

4 0
3 years ago
can someone please help me out with this problem ? i been trying to do this for like 2 days now and i still don’t get it .. also
kotykmax [81]

Answer:

Step-by-step explanation:

the Pythagorean theorem is

c is the hypotenuse which is the side opposite of the right angle

plug the numbers into the Pythagorean theorem

x^2+(\sqrt{26})^2=13^2

when squaring a square root, just take the number in the radical and get rid of the radical

x^2+26=169

subtract 26 from both sides

x^2=143

find the square root of 143

143 is prime so it can just be written as

x=\sqrt{143}

6 0
2 years ago
Maggie is building bird houses for all of her friends. she has 77.5 feet of wood planks. She makes 5 bird houses and has 12 feet
sladkih [1.3K]

Answer:

13.1 FEET OF WOOD FOR EACH HOUSE

Step-by-step explanation:

77.5-12=65.6

65.5/5= 13.1

hope this helps

5 0
2 years ago
Rob is saving to buy a new MP3 player. For every $14 he earns babysitting, he saves $6. On
abruzzese [7]

Answer:

<em>Rob has saved </em><em>$24</em><em>.</em>

Step-by-step explanation:

The first thing I noticed was that Rob only saved some of the money he earned. That means only x% only gets saved. To find x, I simply divided 6 by 14 and got 0.42857142857. Then to find the amount he saved from earning $56, I multiplied that number with 56 and got 24.

7 0
2 years ago
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