Four because 90+90+90+90 = 360, which is the angle f a circle
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Answer:
13 1/3 cups
Step-by-step explanation:
We assume flour is proportional to cookies, so we have ...
cups/dozens = x/10 = 4/3
Multiplying by 10 gives ...
x = 40/3 = 13 1/3
13 1/3 cups of flour are needed for 10 dozen cookies.
Answer:
27 hours
Step-by-step explanation:
Just do the reverse. 65-11 = 54. 54 / 2 = 27.
Answer:
Step-by-step explanation:
If she doubles the area of her lot, it should be 2x^2.
But how do you get that?
The answer is that the sides have now increased to √2x
How did I get that, and why did I choose it?
- The formula for a square's area is s^2
- If you want to double the area, it will be 2 s^2. Now what?
- Take the square root of 2s^2 which is √(2s^2).
- What that means is the side is now √2 s
Answer:
x = 7.5
Step-by-step explanation:
A scale factor of 0.75 means all the dimensions are multiplied by 0.75. When the dimension 10 is multiplied by 0.75, it becomes ...
... x = 0.75 × 10 = 7.5
