Answer:
see explanation below
Step-by-step explanation:
In order to do this, you can put and solve this in this way:
we know that the ratio between chips and water is 4:3 so:
Chips/Water = 4/3
Solving for chips:
Chips = 4 Water / 3
Now put the price of the water here, and you should get the price of the chips:
Chips = 4 * 1.8 / 3
Chips = 2.4 $
b) If the chips cost 2.4 and the drink 1.8, the total is 4.2, therefore, the total amount is:
4.2/6 = 2.1/3 = 0.7/1
c) If 6$ is 37.5% then the 100% would be:
6 * 100 / 37.5 = 16$
Answer:
31.5 units^2
Step-by-step explanation:
This is a right triangle
The x dimension is from B to C
-4 to 3 is 7 units
The y dimension is from A to B
5 to -4 = 9 units
The area of a triangle is
A = 1/2 bh
A = 1/2 (7)(9)
= 31.5
Answer:
<em>The perimeter of the fencing is 44 feet (Option D)</em>
Step-by-step explanation:
<u>Area and Perimeter</u>
A square shape of side length (a) has an area given by:
And its perimeter is calculated as:
P = 4a
The area of Katrina's square garden is given as A=121 square feet. We need to calculate the side length by solving for a:
a = 11 feet
Once we know the value of a, then we calculate the perimeter:
P = 4*11 = 44
The perimeter of the fencing is 44 feet (Option D)
Answer:
Mean, E(x) = 0.17
Variance, V(x) = 0.12
Step-by-step explanation:
90% contains no defective bulbs, P(X=0) = 0.9
5% contain one defective bulbs, P(X=1) = 0.05
3% contain two defective bulbs, P(X=2) = 0.03
2% contain three defective bulbs, P(X=3) = 0.02
The mean for the number of defective bulbs:
Variance for the defective bulbs:
V(x) = 0.29 - 0.17
V(x) = 0.12
Hypotenuse = √[ (3)^2 + (-2)^2] = √13
sin(x) = -2/√13
csc(x) = 1 / sin(x) = - √13 / 2
cot (x) = 3 / (-2) = -3 / 2