I hope this helps you
2.5.9+2.5.7+2.7.9
90+70+126
286
80 gallons turned into kilograms is 302.8 kilograms.
Explanation:
1 gallon = 3.785 kg
80 * 3.785 kg = 302. 8
Another explanation:
80 gallons = 302.8 liters
1 liter = 1 kilogram
302.8 * 1 kg = 302.8 kg
Step-by-step explanation:
equation:
25 + .25x = 225
solution:
.25x = 200
x = 800 newspapers
The answer is the option A, which is: A. x-7=x²+2x-4
The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
1. You have the following system equations given in the problem above:
<span>y=x-7
y=x²+2x-4
2. Therefore, when you substitute for y in the bottom equation, you obtain:
</span>x-7=x²+2x-4
Answer: first option.
Step-by-step explanation:
The ratio of the area of the triangles can be calculated as following:
Where is the lenght of the given side of the smaller triangle and is the lenght of the given side of the larger triangle.
Therefore:
It can be written as following:
The ratio of the perimeter is:
Where is the lenght of the given side of the smaller triangle and is the lenght of the given side of the larger triangle.
Therefore:
It can be written as following: