Adam plans to choose a video game from a section of the store where everything is 75% off. He writes the expression d−0.75d to f
ind the sale price of the game if the original price is d dollars.
Rena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars.
Use the drop-down menus to explain what each part of Adam's and Rena's expressions mean.
Rena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars.
Use the drop-down menus to explain what each part of Adam's and Rena's expressions mean.
2 answers:
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Answer:
<u>3</u> fewer fluids ounces the regular bottle of sunscreen holds.
Step-by-step explanation:
Given:
The family size bottle of sunscreen holds = 12 oz.
The regular bottle holds 75% less.
Now, to find how much fewer fluids ounces does the regular bottle of sunscreen holds.
So, according to question:
Therefore, 3 fewer fluids ounces the regular bottle of sunscreen holds.
Answer:
see explanation
Step-by-step explanation:
Using the double angle identity for sine
sin2x = 2sinxcosx
Consider left side
cos20°cos40°cos80°
= (2sin20°cos20°)cos40°cos80°
= (2sin40°cos40°)cos80°
= (sin80°cos80° )
= (2sin80°cos80° )
= . sin160°
= . sin(180 - 20)°
= . sin20°
= = right side , thus proven