last month you swam the 50-meter freestyle in 28.38 seconds. today you swam it in 27.33 seconds. what is your percent of change?

Answers

Answer 1

Answer: The distance is the same(50 meters). So we will operate only with numbers 28.38 and 27.33.
The difference is 28.38-27.33=1.05
So the percent of change is (1.05/28.38)*100%≈3.7%
The answer is 3.7%

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Which is greater 2/3 or 1/3

Answers

Lets say you have a pizza which is cut into 3 pieces. Now if you get 2 slices and your friend gets 1 slice. Since you got more it means that you got bigger portion than you friend.

because they are both 3 on the bottom so you should see if 2 is bigger than 1 or not, and the answer is yes!
so 2/3 is greater than 1/3 :)))
I hope this is helpful
have a nice day

The temperature in Lucy's refrigerator is 2.74 degrees celious.the temperature in the freezer section of her refrigerator is -19.4 degrees celcious. How much colder is the freezer temperature

Answers

you have to find the difference between temperatures of refrigerator and freezer.

2.74 - (-19.4) = 2.74+19.4 = 22.14 degrees Celsius

so freezer is 22.14 degrees colder

2.74 - (-19.4) = 22.14, so the freezer is 22.14°c colder. I hope that helps!

) If the base of the panel is 31.2 inches and the height is 18 inches, what is the area of one triangular section? Show your work

Answers

The solution is, The area is 280.8 inches² of one triangular section.

What is area ?

Area is the measure of a region's size on a surface. The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object.

here, we have,

given that,

If the base of the panel is 31.2 inches and the height is 18 inches,

we know that,

Area of triangle = base × height ÷ 2

here, we have,

b = 31.2

h= 18

so, we get,

A = 18 × 31.2 ÷ 2

we know,

18 × 31.2 ÷ 2 = 280.8

so, A = 280.8

The area is 280.8 inches².

Hence, The solution is, The area is 280.8 inches² of one triangular section.

To learn more on Area click:

brainly.com/question/20693059

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Area of triangle = base × height ÷ 2
18 × 31.2 ÷ 2 = 280.8
The area is 280.8 inches²

Wes has a piece of land with side lengths of 36.2 m, 41.6 m, 39.4 m, and 31.2 m. He also has 150 m of tape to mark the boundaries of the land. After Wes marks the land, how much tape will he have left over?

Answers

add up all of the side lengths and you get 148.4 as the perimeter.

subtract that from 150 and you're left with 1.6 m left of tape

Answer:

1.6m of rope

Step-by-step explanation:

Add up all the sides then subtract that from 150

One circle has a diameter of 6 inches. A second, larger circle has a diameter that is four times the diameter of the first circle. What is the ratio of the area of the smaller circle to the larger circle?

Answers

The area of a circle:
$A=\pi r^2$
r - the radius, which is equal to half the diameter d

The first circle:
$d_1=6 \nr_1=(6)/(2) = 3 \nA_1=\pi * 3^2=9\pi$

The second circle:
the second circle has a diameter that is four times the diameter of the first circle.
$d_2=6 * 4=24 \nr_2=(24)/(2)=12 \nA_2=\pi * 12^2 = 144\pi$

The ratio of the area of the smaller cirlce to the area of the larger circle:
$(A_1)/(A_2)=(9 \pi)/(144 \pi)=(9)/(144)=(9 / 9)/(144 / 9)=(1)/(16)$

The ratio is 1:16.

Somebody please assist me in answering this math question.

Answers

Firstly look at the options carefully and we will get to know that two answer options are incorrect because 2 of them are representing AT MOST SIGN which we don't need. So in that way Options B and D are eliminated.

So Now we are left with 2 options A and C. Lets figure it out.
We know that Carlos has 5 complete set with 4 individual figures and josh has 3 complete sets with 14 individual figures.
So lets write in the numerical language:-
let us assume that complete sets are X.
ATQ,
5x + 4 ≥ 3x + 14
subtracting 3x from both sides.
5x -3x + 4 ≥ 14
2x + 4 ≥ 14
subtracting 4 from both sides
2x ≥ 14 - 4
2x ≥ 10
dividing both sides by 2
x ≥ 5 Answer
So correct answer option is C

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