What is the area of a circle with a radius of 2.1 miles? Estimate the area to the hundredths place using 3.14 for π
.(1 point)
This particular artwork can be viewed by some to be appealing to the eye or beautiful. What characteristic of the work is being described?
(1 point)
The area of a circle is calculated using the formula A = πr^2, where A is the area and r is the radius.
Given that the radius is 2.1 miles, we can substitute this value into the formula:
A = 3.14 * (2.1)^2
A = 3.14 * 4.41
A ≈ 13.8174
Rounding to the hundredths place, the estimated area of the circle is 13.82 square miles.
What is the area of a circle with a diameter of 16 yards? Estimate the area to the hundredths place using 3.14 for π
.(1 point)
The radius of a circle is half of its diameter. So, in this case, the radius would be 16 yards / 2 = 8 yards.
To calculate the area of the circle, we will use the formula A = πr^2, where r is the radius.
Substituting the radius into the formula:
A = 3.14 * (8)^2
A = 3.14 * 64
A ≈ 200.96
Rounding to the hundredths place, the estimated area of the circle is 200.96 square yards.
What is the circumference of a circle with a diameter = 4 feet? Which of the following is the best estimation for the circumference?(1 point)
Responses
6 feet
6 feet
13 feet
13 feet
50 feet
50 feet
25 feet
The circumference of a circle can be calculated using the formula C = πd, where C is the circumference and d is the diameter.
In this case, the diameter is given as 4 feet.
Substituting the diameter into the formula:
C = 3.14 * 4
C = 12.56
Rounding to the nearest whole number, the best estimation for the circumference of the circle is 13 feet. So the correct answer is 13 feet.
What is the circumference of a circle with a diameter of 3.25 meters? Estimate the circumference to the hundredths place using 3.14 for π
.(1 point)
Responses
10.21 meters
10.21 meters
10.22 meters
10.22 meters
10.2 meters
10.2 meters
33.18 meters
The circumference of a circle can be calculated using the formula C = πd, where C is the circumference and d is the diameter.
In this case, the diameter is given as 3.25 meters.
Substituting the diameter into the formula:
C = 3.14 * 3.25
C ≈ 10.205
Rounding to the hundredths place, the estimated circumference of the circle is 10.21 meters. So the correct answer is 10.21 meters.
What is the circumference of a circle with a radius of 2.5 feet? Estimate the circumference to the tenths place using 3.14 for π
.(1 point)
The circumference of a circle with radius r can be calculated using the formula C = 2πr, where C represents the circumference and r represents the radius.
In this case, the radius is given as 2.5 feet.
Substituting the radius into the formula:
C = 2 * 3.14 * 2.5
C ≈ 15.7
Rounding to the tenths place, the estimated circumference of the circle is 15.7 feet. So the correct answer is 15.7 feet.
What is the area of a circle with a radius of 12 feet? Estimate the area to the hundredths place using 3.14 for π
.(1 point)
Responses
452.2 square feet
452.2 square feet
113.04 square feet
113.04 square feet
75.4 square feet
75.4 square feet
452.16 square feet
The area of a circle with radius r can be calculated using the formula A = πr^2, where A represents the area and r represents the radius.
In this case, the radius is given as 12 feet.
Substituting the radius into the formula:
A = 3.14 * (12)^2
A ≈ 452.16
Rounding to the hundredths place, the estimated area of the circle is 452.16 square feet. So the correct answer is 452.16 square feet.
What is the area of a circle with a diameter of 10 millimeters? Estimate the area to the tenths place using 3.14 for π
.(1 point)
Responses
314 square mm
314 square mm
79 square mm
79 square mm
15.7 square mm
15.7 square mm
78.5 square mm
The area of a circle with diameter d can be calculated using the formula A = π(d/2)^2, where A represents the area and d represents the diameter.
In this case, the diameter is given as 10 millimeters.
Substituting the diameter into the formula:
A = 3.14 * (10/2)^2
A = 3.14 * 5^2
A = 3.14 * 25
A ≈ 78.5
Rounding to the tenths place, the estimated area of the circle is 78.5 square mm. So the correct answer is 78.5 square mm.
What was the name of the country before it was called Spain?
(1 point)
Responses
Latina
Latina
Portugal
Portugal
Hispania
Hispania
Español
The correct answer is Hispania. Before it was called Spain, the region was known as Hispania.
In which country would you call a bus a guagua?
(1 point)
Responses
Argentina
Argentina
Spain
Spain
Cuba
Cuba
Colombia
The correct answer is Cuba. In Cuba, a bus is commonly referred to as "guagua."
When telling time in Spanish, what is the phrase used to indicate that it is quarter past the hour?
(1 point)
Responses
y uno
y uno
y veinte
y veinte
y media
y media
y cuarto
y cuarto
The correct answer is "y cuarto." In Spanish, to indicate that it is quarter past the hour, the phrase "y cuarto" is used.
What is the Spanish word for winter?
(1 point)
Responses
el otoño
el otoño
el invierno
el invierno
la primavera
la primavera
el verano
el verano
The Spanish word for winter is "el invierno."
How do you say "it's snowing" in Spanish?
(1 point)
Responses
Hace sol.
Hace sol.
Hace viento.
Hace viento.
Llueve.
Llueve.
Nieva.
The correct answer is "Nieva." In Spanish, to say "it's snowing," you would use the word "Nieva."
Write the two sentences "It's one o'clock." and "It's three o'clock." in Spanish.
The translation of "It's one o'clock." in Spanish is "Es la una."
The translation of "It's three o'clock." in Spanish is "Son las tres."
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What is the area of a circle with a radius of 2.1 miles? Estimate the area to the hundredths place using 3.14 for π.(1 point)
The area of a circle is calculated using the formula A = πr^2, where A is the area and r is the radius.
Given that the radius is 2.1 miles, we can substitute this value into the formula:
A = 3.14 * (2.1)^2
A ≈ 13.8474
Rounding to the hundredths place, the estimated area of the circle is 13.85 square miles.
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What is the area of a circle with a diameter of 16 yards? Estimate the area to the hundredths place using 3.14 for π.(1 point)
To find the area of a circle, we can use the formula A = πr^2, where A is the area and r is the radius. Since we're given the diameter, we can divide it by 2 to find the radius.
The diameter is 16 yards, so the radius would be 16 yards / 2 = 8 yards.
Now we can calculate the area using the formula:
A = 3.14 * (8)^2
A = 3.14 * 64
A ≈ 200.96
Rounding to the hundredths place, the estimated area of the circle is 200.96 square yards.
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