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Sunny_sXe [5.5K]
3 years ago
12

A school day lasts from 9:00am to 3:45

Mathematics
1 answer:
coldgirl [10]3 years ago
5 0
9:00 to 3:45 = 6 hours 45 min
1 lesson = 55 min
6 lessons = 5 hours 30 min 
5.3 + 0.25 = 5 hours 55 min
6.45 - 5.55 = 50 min
lunch = 50 min

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Determine the area of the composite figure to the nearest whole number
Nimfa-mama [501]

Check the picture below.

so, let's notice, is really just a 2x20 rectangle with a quarter of a semicircle with a radius of 11.

\bf \stackrel{\textit{area of a circle}}{A=\pi r^2}~~ \implies A=\pi 11^2\implies A=121\pi \implies \stackrel{\textit{one quarter of that}}{\boxed{A=\cfrac{121\pi }{4}}} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\underline{\textit{area of the figure}}}{\stackrel{\textit{rectangle's area}}{(2\cdot 20)}+\stackrel{\textit{circle's quart's area}}{\cfrac{121\pi }{4}}\qquad \approx \qquad 135.03\implies \stackrel{\textit{rounded up}}{135}}

4 0
3 years ago
Find the H.C.F of the following expressions.
MAVERICK [17]

Step-by-step explanation:

Hey there!

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6 0
3 years ago
If Pam has 40 dollars in her account, how much money does her brother have in his account? Use a tape diagram to support your an
katen-ka-za [31]
Pam and her brother both open savings accounts. each begin with a balance of $0. For every $2 is that Pam saves in her account her brother saves $5 in his account

P:bro=2:5
when P=40 what is bro?

2/5=40/b
times 5b both sides
2b=200
divide 2
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8 0
3 years ago
if the area of a rectangle is represented by 25x^3y^6 and its width is represented by 10xy, express the length of the rectangle
iren [92.7K]

The length of the rectangle in terms of x and y, given that its area is represented by 25x³y⁶ and its width is represented by 10xy is <u>2.5x²y⁵</u>.

The area of a figure is the total space enclosed in two dimensions within its boundary.

The area of a rectangle is given as, area = length*width.

In the question, we are given that the area of a rectangle is represented by 25x³y⁶ and its width is represented by 10xy, and are asked to express the length of this rectangle in terms of x and y.

We know that the area of a rectangle is given as, area = length*width.

Substituting the known values in the equation, we get:

25x³y⁶ = length*10xy.

Rearranging this equation, we get:

length = 25x³y⁶/10xy = (5x²y⁵)/2 = 2.5x²y⁵.

Thus, the length of the rectangle in terms of x and y, given that its area is represented by 25x³y⁶ and its width is represented by 10xy is <u>2.5x²y⁵</u>.

Learn more about the area of a rectangle at

brainly.com/question/11435713

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3 0
2 years ago
Q) Is there a way to solve this using the quadratic formula?
Zigmanuir [339]

Answer:

10.1 seconds

Step-by-step explanation:

s = 4.9 t² + v₀ t

If s = 500 m and v₀ = 0 m/s:

500 = 4.9 t²

t = 10.1

5 0
3 years ago
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