A expression for x²+ 8x + 15
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If an original quantity is 12, and the new quantity is 15, then the percentage increase is 25%.
Given that, an original quantity is 12, and the new quantity is 15.
What is percentage?
Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".
Here,
Percentage increase = (New quantity - Original quantity)/Original quantity ×100
= (15-12)/12 ×100
= 3/12 ×100
= 0.25×100
= 25%
Therefore, if an original quantity is 12, and the new quantity is 15, then the percentage increase is 25%.
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Answer:
20% increase
Step-by-step explanation:
1- New number-original number
2- number increased divided by new number then multiply by 100
15-12= 3
3 divided by 15= 0.2
0.2 times 100= 20%
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Answer:
x = 2
Step-by-step explanation:
x is the height of these triangles. Thus, we know all three sides of either triangle: height = x; base = 8/2, or 4; and hypotenuse √20.
Using the Pythagorean Theorem, we find x as follows:
x^2 + 4^2 = 20, or
x^2 = 4. Then x must be 2.
x = 2
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Complete the sentence below. Choose the correct answer from the drop down menu.
The relationship between degrees Celsius and degrees Fahrenheit
.
Explain or show your reasoning.
Type your response or use the drawing space below.
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The relationship between degrees Celsius and degrees Fahrenheit, as given by the equation F = 95C + 32, is not proportional.
Relationship between degrees Celsius and degrees Fahrenheit
The relationship between degrees Celsius and degrees Fahrenheit is not a proportional relationship.
In a proportional relationship, the ratio between the two variables remains constant. However, in the equation F = 95C + 32, the relationship between Celsius and Fahrenheit is not proportional because the coefficient of C is 95, indicating that the conversion between the two scales is not a simple multiplication or division by a constant value.
To illustrate this, consider two examples:
If we double the value of C, the equation becomes F = 95(2C) + 32 = 190C + 32. The coefficient of C changes, indicating that the relationship is not proportional.
If we set C = 0, the equation becomes F = 95(0) + 32 = 32. This shows that at 0 degrees Celsius, the Fahrenheit temperature is not zero, further demonstrating that the relationship is not proportional.
Therefore, the relationship between degrees Celsius and degrees Fahrenheit, as given by the equation F = 95C + 32, is not proportional.
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Answer:
No, there are no proportional relationships here.
Step-by-step explanation:
I think you mean F=(*C)+32
No, there is not. There is no proportional relationship because proportional relationships require multiplication and division only, not any extra additive numbers, else it would not be proportional. Evidence: If we turned this into a graph, like so: y=(*x)+32, then the slope would not pass through zero.
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18 + 12 = 30
18 + 3(12) = 54