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alexandr1967 [171]
3 years ago
11

Aysha ran 400 meters in 10 minutes on Monday and she ran 825 meters in 25 minutes on Tuesday. On which day she ran faster?

Mathematics
2 answers:
LiRa [457]3 years ago
6 0

Answer:

Monday

Step-by-step explanation:

Day 1 (Monday):

10 minutes to seconds: 10 x 60 = 600 seconds

\frac{400m}{600s}= 0.67 m/s

Therefore day 1 she ran at 0.67 m/s

Day 2 (Tuesday):

25 minutes to seconds: 25 x 60 = 1500 seconds

\frac{825m}{1500s} = 0.55 m/s

Therefore day 2 she ran at 0.55 m/s

She was faster day 1 (Monday)!

Anton [14]3 years ago
3 0
First we are going to make them equal to compare

400 / 10 and 825/25
We are going to make the denominator equal so we will multiple 10 by 10 and 25 by 4 we will get 100 for both. The denominator are equal. Now multiply the nominator with the number you multiplied the denominator. So, 400 will be multiplied by 10 and 825 will be multiplied by4. We will get 4000 and 3300. Obviously she ran faster on monday
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Maru [420]

Answer:

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2 years ago
To make the swim team Pedro must swim 400 m in less than seven minutes Pedro where the first 200 minutes in 2.86 minute he swam
MArishka [77]

Answer:

No he didnt make the team

Step-by-step explanation:

2.86 + 3.95= 6.81

so he swam 400 meters in 6min and 81 sec but theirs 60 sec in every min so realy he swam it in 7 min and 21 sec

5 0
3 years ago
Please answer correctly! I will mark you as Brainleist!
kiruha [24]

Answer:

V ≈ 1847.26

Step-by-step explanation:

<u>Circular Cone Formulas in terms of radius r and height h:</u>

The volume of a cone:

V = (1/3)πr2h

Slant height of a cone:

s = √(r2 + h2)

Lateral surface area of a cone:

L = πrs = πr√(r2 + h2)

The base surface area of a cone (a circle):

B = πr2

The total surface area of a cone:

A = L + B = πrs + πr2 = πr(s + r) = πr(r + √(r2 + h2))

Therefore, the solution V = πr 2h / 3 = π·142·9/  3 ≈ 1847.25648

4 0
2 years ago
When the shaded region below is rotated about the x-axis the resulting solid is a circular cone with radius 2 m and height 3 m.
WARRIOR [948]

Answer:

Therefore, the volume of the cone is V=4π.

Step-by-step explanation:

From task we have a circular cone with radius 2 m and height 3 m. We use the disk method to find the volume of this cone.  

We have the formula:

\boxed{V=\int_0^h\pi \cdot \left(\frac{r}{h}x\right)^2\, dx}

We know that r=2 and h=3, and we get:

V=\int_0^3\pi \cdot \left(\frac{2}{3}x\right)^2\, dx\\\\V=\int_0^3 \pi \frac{4}{9}x^2\, dx\\\\V= \frac{4\pi}{9} \int_0^3 x^2\, dx\\\\V= \frac{4\pi}{9} \left[\frac{x^3}{3}\right]_0^3\, dx\\\\V= \frac{4\pi}{9}\cdot 9\\\\V=4\pi

Therefore, the volume of the cone is V=4π.

7 0
3 years ago
The width of a rectangle is 6 2/3 inches. The length of the is twice it’s width. What so the perimeter of the rectangle?
Nookie1986 [14]
\text {Width = }  6\dfrac{2}{3}  \text { inches}&#10;


The length is twice its width:
\text {Length = } 2 \times 6\dfrac{2}{3} \text { inches}

Change to improper fraction:
\text {Length = }2 \times \dfrac{20}{3} \text { inches}

Combine into single fraction:
\text {Length = } \dfrac{40}{3} \text { inches}


Find Perimeter :
\text {Perimeter = Length + Length + Width + Width}

\text {Perimeter = } \dfrac{40}{3} + \dfrac{40}{3}   + \dfrac{20}{3}   + \dfrac{20}{3} = \dfrac{120}{3}  = 40 \text { inches}


\bf \text {Answer: Perimeter =  40 inches}
6 0
3 years ago
Read 2 more answers
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