Questions by Luana

Questions by Luana

Which of the examples below is an example of convection? A) rubbing your hands together. B) heating a fish tank. basking in the sun. D) striking a match.

asked Dec 14, 2021

1 answer

0 votes

172k views

(a) A square has a perimeter of 68 cm. What is the length of each side?

asked Dec 5, 2021

1 answer

2 votes

36.4k views

Express the complex number z = -4+3i in polar form: r(cos⁡(θ)+i sin(θ)).

asked Dec 5, 2021

1 answer

4 votes

201k views

The asteroid 234 ida has a mass of about 4x10^16 kg and an average radius of about 16 km. The acceleration due to gravity at the earth`s surface is 9.8 m/s^2. what is the acceleration due to gravity on

asked Nov 15, 2021

1 answer

0 votes

126k views

The drawing shows a model for the motion of the human forearm in throwing a dart. Because of the force M applied by the triceps muscle, the forearm can rotate about an axis at the elbow joint. Assume that

asked Oct 14, 2021

1 answer

2 votes

34.6k views

The heights of some sunflowers are shown below. How many more flowers are 7 feet taller than are 5 1/2 feet tall? °³° OωO

asked Aug 21, 2021

1 answer

1 vote

78.3k views

Solve the following for y: -6x+2y=8(5 points) Y= -6x+8 Y= 6x+8 Y= -3x+4 Y= 3x+4

asked Aug 11, 2021

1 answer

1 vote

140k views

Choose the number sentence that illustrates the distributive property of multiplication over addition. 3 × (7 + 2) = (3 + 7) × (3 + 2) 3 × (7 + 2) = (3 × 7) + 2 3 × (7 + 2) = (3 × 7) + (3 × 2)

asked Jul 17, 2021

2 answers

5 votes

194k views

5. A rectangle with an area of 96 square centimeters has whole-number side lengths. What is the difference between the greatest and least perimeters of the rectangles? A. 57 centimeters B. 60 centimeters

asked Jun 28, 2021

1 answer

3 votes

52.1k views

What is the charge of a chromium ion that has lost 4 electrons?

asked Feb 24, 2021

1 answer

3 votes

204k views

If n is directly proportional to the cube of mand n = 27 when m= the value of n when m= 2. (ii) the value of m when n = 125

asked Feb 12, 2021

1 answer

4 votes

168k views

HELP!!!!!!! A cell needs to take up K+ ions, the concentration of Na+ outside the cell is 100 ppm, and inside the cell it is 75 ppm. Which type of transport will it use? A. Active Transport B. Particle

asked Jan 28, 2021

2 answers

5 votes

180k views

Part of the population of 5,250 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 6 of them are infected. How many elk are likely to be infected? Based on the

asked Jan 24, 2021

1 answer

5 votes

25.3k views

The distance between two adjacent peaks on a wave is called the wavelength. The wavelength of a beam of ultraviolet light is 113 nanometers (nm). What is its wavelength in meters?

asked Aug 16, 2020

1 answer

4 votes

154k views

Help me please, please help

asked May 11, 2020

1 answer

1 vote

78.0k views

Which of the following describes the stage in the economic cycle that follows growth?

asked Dec 9, 2019

1 answer

1 vote

84.7k views

Please help 10 points Which line(s) from the poem, "An Ancient Gesture," most create(s) a tone of remorse and regret? 1 I thought, as I wiped my eyes on the corner of my apron: 2 Penelope did this too.

asked Mar 12, 2019

2 answers

4 votes

160k views

The names of three trees are hidden in the sentences below. The letters are in consecutive order. Can you find them? On this farm, we get ham from a hog any time. The farmer will help in every possible

asked Sep 28, 2018

1 answer

3 votes

160k views

Using moore��s law, we can gauge how fast ____________ might be in the coming years.

asked May 2, 2018

1 answer

4 votes

136k views

How did the Sapa Inca strengthen his rule? A. by redistributing lands and herds among citizens B. by promoting trade with neighboring peoples C. by imposing one language and religion across the empire

asked May 28, 2017

1 answer

0 votes

179k views

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