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suter [353]
3 years ago
14

An arc of length 8 in. is intersected by a central angle in a circle with a radius of 3 in. What is the measure of the angle? Ro

und your answer to the nearest tenth.
Mathematics
1 answer:
krok68 [10]3 years ago
7 0
Using the formula
L=rx  (x=angle)
x=L/r
x=8/3
x=2.6 radians
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Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.
vaieri [72.5K]

Answer:

5/4

Step-by-step explanation:

since you cannot put 2.5 : 2 into a fraction you double both numbers and you get 5 : 4 and this as a fraction is 5/4

hope this helps :)



7 0
3 years ago
B
Tom [10]

Answer:

(a) 320 cm²

(b) 75 cm³

Step-by-step explanation:

The scale factor from A to B is 8/4 = 2.

The scale factor of the areas is 2² = 4.

The scale factor of the volumes is 2³ = 8.

(a)

80 cm² * 4 = 320 cm²

(b)

600 cm / 8 = 75 cm³

8 0
2 years ago
Leah knit a scarf that is 130 centimeters long, Theo knit a scarf that is 4/3 as long
Delvig [45]

Answer: Theo's scarf is  173 + 1/3 centimeters long.

Step-by-step explanation:

The scarf of Leah is 130 centimeters long.

The one of Theo is 4/3 as long as the one of Leah, then we have that the length of the scarf of Theo is:

Lenght = (4/3)*130 cm =(4*130)/3 cm =520/3 cm  

Now, we know that if all the digits of a number add up to a multiple of 3, that number is divisible by 3.

520/3 = (519 + 1)/3 = 519/3 + 1/3 = 173 + 1/3

Theo's scarf is  173 + 1/3 centimeters long.

3 0
3 years ago
LeBron flips a coin 3 times. What is the probability of LeBron getting tails AT LEAST twice in a row? (Note: If he gets tails mo
madam [21]

Answer:

3 / 8

Step-by-step explanation:

From the tree diagram provided :

Required outcome = atleast two consecutive tails :

(HTT) ; (TTH) ; (TTT) = 3

TOTAL POSSIBLE OUTCOMES = 8

PROBABILITY = REQUIRED OUTCOME / TOTAL POSSIBLE OUTCOMES

HENCE ;

P(ATLEAST TWO TAILS IN A ROW) = 3 / 8

7 0
3 years ago
What is the approximate volume of the cylinder? Use 3.14 for π.<br> 9 Hight and 4 length.
krek1111 [17]

Answer:

113.04

Step-by-step explanation:

Radius(r)= 4/2 = 2

Volume = r² x π x h

⇒ 4 x 3.14 x 9 = 113.04 (when using pi = 3.14)

hope this helps!

5 0
3 years ago
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