Answer:
I think answer is c 1800.
Answer: Look below
Step-by-step explanation:
1(10x-6y)=-16
3(5x+2y)=66
10x-6y=-16
15x+6y=66
-25x=50
x=-2
Answer:
40 square feet
Step-by-step explanation:
You want the area in square feet of a closet that is 10 feet long and 48 inches wide.
<h3>Area</h3>
The area is the product of the length and width. For area to be in square feet, both dimensions must be in feet.
12 in = 1 ft
48 in = 4 ft
Then the area is ...
A = LW = (10 ft)(4 ft) = 40 ft²
The area of the closet is 40 square feet.
Answer:
After 1.87 seconds the skateboarder is 8 ft from the bottom of the hill.
Step-by-step explanation:
The quadratic function d = –2*x² + 15 models a skateboarder’s distance, in feet, from the bottom of a hill x seconds after the skateboarder starts moving down the hill.
You want to know after how many seconds the skater is 8 feet from the bottom of the hill. That is, with the distance being 8 feet, you want to calculate the time t. Replacing in the expression d by the value of 8 feet:
8=–2*x² + 15
Solving:
8-15 = -2*x²
-7= -2*x²
(-7)÷(-2)= x²
3.5= x²
√3.5=x
1.87= x
<u><em>After 1.87 seconds the skateboarder is 8 ft from the bottom of the hill.</em></u>
Data:
Read pages = 36
Total pages = 180
<span>The ratio of pages read = ?
Solving:
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