9/20 miles a minute or .45 miles a minute
Since z is inversely proportional to x, when x increases by a factor of 26/16, z will be multiplied by the inverse of that factor: 16/26
Let n = the unknown number
"The product of a number and 4" = 4 * n = 4n
"increased by 16" = + 16
Set it all equal to - 2.
4n + 16 = - 2
Subtract 16 from both sides to get constants on one side and variables on the other.
4n = - 2 - 16
Combine like terms:
4n = - 18
Divide both sides by 4 to isolate variable n.
n = - 18 / 4
= - 4 and 2/4 = - 4 and 1/2
Answer:
8.5
Step-by-step explanation:
Our current equation is:
x2 + 3x.
Let's replace all the x with 1.7.
1.7(2) + 3(1.7)
Let's solve this new equation normally, as if the 1.7 was always there.
1.7(2) = 3.4
3(1.7) = 5.1
Now, let's add both the products.
5.1 + 3.4 = 8.7
Therefore, we can conclude the answer is 8.7.
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