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Scilla [17]
2 years ago
12

How long is a 75% of a 24 hour day

Mathematics
1 answer:
ivolga24 [154]2 years ago
5 0

Answer:

18 hours

Step-by-step explanation:

because 6 x 3 = 18!

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Nada drinks 54 glasses of water a week. How many glasses of water does she drink in 9 Weeks?
kodGreya [7K]

Answer: 486 glasses of water in 9 weeks

Step-by-step explanation:

54 X 9 = 486

Or you could add 54 to itself 9 times then you will get 486

4 0
2 years ago
The lengths of three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. 6,9,7
katrin2010 [14]
Answer : acute
Right triangle : a^2+b^2=c^2
Acute triangle : a^2+b^2 > c^2
Obtuse triangle:a^2+b^2 < c^2
6^2+7^2 > 9^2
7 0
3 years ago
PLS HELP 25 POINTS thanks uou​
maw [93]

Answer:

top: 2.6 units²

bottom: 2.83 units²

Step-by-step explanation:

so you need to know a couple of things

1) the inscribed polygons are made up of isoceles triangles (the top one has 6 and the bottom one has 8 triangles)

2) we know the length of each side of the isosceles triangles (given as r = 1 for all triangles)

3) we know that the entire circle is 360 degrees and therefore the angle of segment of the pie is 360° ÷ number of triangles in each circle

for the top, each segment has an angle of 360°÷6 = 60°

for the bottom, each segment has an angle of 360° ÷ 8 = 45°

4) We can find the area of a triangle if we know two sides and the angle between the two known sides using the following formula

Area = (1/2) x (Length 1) x (Length 2) x sin (angle between them)

In our case, we know that the length of each side is the same length 1 and the angle between them is either 60° (for top) and 45° (for bottom)

hence,

Area of each triangle = (1/2) x 1 x 1 x sin (angle)

= (1/2) sin (angle)

Area of each polygon= area of each triangle x number of triangles

= (1/2) sin (angle) x number of triangles.

For the top, each segment angle is 60° and there are 6 triangles.

Area of top polygon = (1/2) sin (60°) x 6 = 2.6 units²

For the bottom, each segment angle is 45° and there are 8 triangles.

Area of top polygon = (1/2) sin (45°) x 8 = 2.83 units²

8 0
3 years ago
7. Lakeisha is designing a rectangular sunroom. She wants the room to be 14 feet wide and have a perimeter that is greater than
Alex777 [14]

D and E is the answer. C is exactly 108 and not greater than

5 0
3 years ago
Read 2 more answers
Divide Rs750 in the ratio of 2:3​
White raven [17]

Answer:

Rs. 450 and Rs. 300

Step-by-step explanation:

Step 1: Add the ratios; 3 + 2 = 5  

Step 2: Put each ratio over the total, to see what proportion each part receives 3/5 and 2/5  

Step 3: Multiply the 750 by the fraction to calculate the proportion that each part contains

3/5 x 750  =  Rs. 450

2/5 x 750 = Rs. 300

5 0
3 years ago
Read 2 more answers
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