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spin [16.1K]
3 years ago
6

I need help ASAP!!!!PLS

Mathematics
1 answer:
Damm [24]3 years ago
3 0

Answer:

9

Step-by-step explanation:

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A pot is being used to boil off 1 kg of water. The specific energy required to cause the phase change is 2297 kJ/kg. Assuming th
lana66690 [7]

Answer:

It will take 58 seconds

Step-by-step explanation:

If you have 1 kg of water in the jar, half of it will be 0.5 kg.

To vaporize half of the water (0.500 kg) the energy supply needed is

2297 kJ/kg*0.5kg=1148.5 kJ

If the stove is supplying 20 kJ/s, the time its needed is

\frac{1148.5 kJ}{20\frac{KJ}{s} }=57.425 s

It will last at least 58 seconds to vaporize half of the water.

6 0
3 years ago
4. What kind of triangle is made by connecting the points A(0, –6), B(3, –6), and C(3, –2)?
Firdavs [7]

Answer:

Part 4) Right triangle

Part 5) Kite

Step-by-step explanation:

Part 4) What kind of triangle is made by connecting the points A(0, –6), B(3, –6), and C(3, –2)?

Using a graphing tool    

see the attached figure N 1

The triangle of the figure is not equilateral------> The triangle does not have three equal sides

The triangle of the figure is a right triangle------>The triangle  has an angle of 90\°

The triangle of the figure is not isosceles------> The triangle does not have two equal sides

The triangle of the figure is not a right and isosceles

Part 5) What type of quadrilateral is formed by connecting the points (0, 9), (3, 6), (0, 1), and (-3, 6)?                

Using a graphing tool    

see the attached figure N 2        

The figure is not a rhombus------> All sides are not congruent  

The figure is not a trapezoid-----> has not parallel sides

The figure is a kite------> Two disjoint pairs of consecutive sides are congruent and the diagonals meet at a right angle



6 0
3 years ago
2, -1.3, 0.4, -1 1/12, -3.1, 1.3, -2, 4.0 least to greatest
tekilochka [14]
0.4,1.3,1.3,4.0,11.12,2
3 0
3 years ago
I NEED HELP PLEASE THANKS
Simora [160]

Answer:

D. Reflect across the x-axis, then shift 4 units up

Step-by-step explanation:

In this case, reflecting across the x-axis just means going 4 units down. To go back up, go 4 units up.

8 0
2 years ago
Steps to solve? 4+3(12÷3)-7
Ugo [173]

Answer:

The answer is 11

Step-by-step explanation:

4+3(12÷3)-7

4+3•4-7

4+12-7

16-7

9

5 0
2 years ago
Read 2 more answers
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