Answer:
an equation
Step-by-step explanation:
A mathematical statement that two expressions are equal is called an equation.
The word "equation" comes from the same root as "equality"... so is two sides of an expression are of equal values, they form an equation, like A = B.
When both sides of a statement are not equal to each other, that is an inequality, meaning NOT equal, like A > B.
First one is 16, second is 10, third is 4, and fourth is -2. explanation: you plug in the x values they give you and you find the y by multiplying then adding the 4. hope this helps! :)
Answer:
The answer is 
.
Step-by-step explanation:
Given:
X/4 + 3/5x.
Now, to find the sum of the rational expressions.
So, to solve it by adding:
Therefore, the answer is .
Its C 10d+ 5n I know it doesnt tell you numbers but a dime is 10 cents and a nickel is 5 cents which obviously would help you find the answer but you dont need the answer just how they would make it an problem so yea, its C 10d + 5n
Answer:
4
Step-by-step explanation:
Every year, the world grows by 1.1%. Converting to a decimal, we can divide by 100 to get 1.1% = 0.011. This means that the world grows by 0.011 exponentially each year. To put this into an expression, we can add 1 to our percentage to get 1.011. This represents 1 = 100% (the original population) and the growth of 1.1% = 0.011. We multiply the rate including the growth by the population to get the population after one year. After the first year, we have
population * 1.011 as the new population after one year. We do that for every year, so the second year's population is population*(1.011)*(1.011) and so on. If x represents the amount of years, then the population can be represented as
(original population)*1.011ˣ
Therefore, to get from 7 billion to 7.31 billion, we have
7 billion * 1.011ˣ = 7.31 billion
divide both sides by 7 billion to relatively isolate the x
1.011ˣ = 7.31/7
Another way of writing this is
log (base 1.011) (7.31/7) = x
≈ 3.96
Rounding to the nearest whole number, we get 4 as our answer
