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Dahasolnce [82]
3 years ago
10

15 point question. please help

Mathematics
1 answer:
uysha [10]3 years ago
5 0
(2,3) , (0,-3) , (-2,1) are the points. 
Hope this helps... Let me know if you wanna know anything. 
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2. The Great Pyramid outside Cairo, Egypt, has a square base measuring 756 feet
lisabon 2012 [21]

First convert the dimensions of the pyramid from feet to yards.

1 yard = 3 feet.

756 feet / 3 ft per yard = 252 yards.

480 feet / 3 ft per yard = 160 yards.

The formula for volume of a pyramid is:  Area of the base x the height divided by 3.

Volume = 252 yds^2 x 160/3 = 63504 x 160/3 = 3,386,880 cubic yards.

Now to find the number of bricks needed. divide the total volume by the volume of 1 brick:

3,386,880 / 1.5 = 2,257,920 total bricks.

4 0
4 years ago
The volume of a gas varies inversely as the pressure upon it. If the volume of the gas is 160 cubic centimeters at a pressure of
erica [24]

Answer:

The new volume is 198.62\ cm^3.        

Step-by-step explanation:

We are given with the volume of a gas varies inversely as the pressure upon it.

Initial volume is 160 cubic centimetres and initial pressure is 108 Pa. It is required to find the volume when the pressure is 87 centimetres.

According to given condition,

V\propto \dfrac{1}{P}

P_1V_1=P_2V_2

V_2 is new volume

V_2=\dfrac{P_1V_1}{P_1}\\\\V_2=\dfrac{160\times 108}{87}\\\\V_2=198.62\ cm^3

So, the new volume is 198.62\ cm^3.

6 0
4 years ago
Tell whether the ratios form a proportion. 14:8 and 28:10
Dima020 [189]

Answer:

no

Step-by-step explanation:

14:8 = 14/8 = 7/4

28:10 = 28/10 = 14/5

Since the fractions are not equal, it is not a proportion.

Answer: no

5 0
2 years ago
Suppose that the first roll of the two dice yields a sum of 5. we know the probability of two dice yielding a sum of 5 is 4/36 a
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4 years ago
Omar painted half of a heart on a piece of paper.
tensa zangetsu [6.8K]

Answer:

D reflection

Step-by-step explanation:

think of it like a mirror when u look at the mirror its an exact match to what u are seeing

8 0
3 years ago
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