Answers by Yolk

Answers by Yolk

An iris diaphragm is a set of overlapping metal plates that can expand out to allow more light or fold in on each other to reduce the amount of light

answered Dec 24, 2018

3 votes

181k views

Lucas plugs a lamp into the wall. The light bulb in the lamp turns on. What kind of energy transformation is this? A.)Light energy is transformed into electrical and mechanical energy. B.) Light energy

answered Dec 2, 2018

2 votes

58.0k views

(1 pt) Multiply. 791.3 × 0.06 A. 47.478 B. 474.78 C. 4,747.8 D. 47,478

answered Sep 29, 2018

6 votes

78.9k views

When dividing in the scientific notation do you change the sign of the second base number?

answered Sep 22, 2018

3 votes

146k views

If a gambler rolls two dice and gets a sum of 10, he wins $10, and if he gets a sum of three, he wins $20. the cost to play the game is $5. what is the expectation of this game? a. $3.06 b. -$2.78 c. -$3.

answered Jun 30, 2018

1 vote

8.1k views

1) What top-secret documents, made public in 1971 newspapers, indicated that military officers and government officials were deceiving the people of the United States about how the war in Vietnam was going?

answered Jun 24, 2018

1 vote

188k views

Express 0.00049386 in scientific notation.

answered Jun 5, 2018

5 votes

209k views

imagine a 10 kg block moving with a velocity of 20 m/s to the left. calculate the kinetic energy of this block

answered Aug 24, 2017

2 votes

227k views

discovered in the 800's and originally for fireworks what is one of the most important inventions of the tang and song dynasties

answered May 23, 2017

4 votes

132k views

The beginning development of a star is marked by a supernova explosion, with the gases present in the nebula being forced

answered Mar 13, 2017

4 votes

206k views

Simplify this expression: 4p + 9 + (–7p) + 2 = ? A. 11p + 11 B. 3p + 7 C. –3p + 11 D. 3p + 11

answered Feb 2, 2016

5 votes

216k views

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