Write an equation to represent the sentence.Nine times a number y subtracted from 85 is seven times the sum of four and y.
Answers
The equation for nine times a number y subtracted from 85 is seven times the sum of four, and y is 85 - 9y = 7(4 + y).
What is a linear equation?
It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.
It is given that:
The equation in the word is "Nine times a number y subtracted from 85 is seven times the sum of four and y"
Let the number is y:
The nine times a number = 9y
Subtract from 85:
85 - 9y
Seven times the sum of 4 and y = 7(4 + y)
Now on equating:
85 - 9y = 7(4 + y)
Thus, the equation for nine times a number y subtracted from 85 is seven times the sum of four, and y is 85 - 9y = 7(4 + y).
Learn more about the linear equation here:
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Answer:
85 - 9Y = 7(4 + Y)
Step-by-step explanation:
Nine times a number Y. = 9 * Y = 9Y
subtracted From 85 = 85 - 9Y........... Equation 1
seven times sum of 4 and Y = 7(4 + Y)....... Equation 2
Equate Equation 1 and 2
85 - 9Y = 7(4 + Y)
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What is x+5 over x = 5 over 4
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Answer:
40.9
Step-by-step explanation:
if you rounded to 2 decimal places the answer would be:
40.83.
because the second number after the decimal is 5 or more, we have to round upwards.
this brings us to 40.9 which has 1 decimal place.
Answer:
40.9
Step-by-step explanation:
8 is beside 5 which is a large number so you add 1 to 8
Answers
Answer:
84
Step-by-step explanation:
The key to understanding these problems is having a firm idea about what the variables represent. The variable r, for example, has units of shoppers per minute. This means you will need to divide the number of shoppers by total minutes to calculate variable r.
Example:
“Little’s law can be applied to any part of the store, such as a particular department or the checkout lines. The store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. At any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the Good Deals Store?”
Let’s match units to variables:
“…shoppers spend an average of 5 minutes…” This sounds like the description of variable T. We now know that T = 5 in our problem.
“…approximately 84 shoppers per hour…” is close to the units needed for r; however, r is in shoppers per minute, not hour. To fix this, we convert 84 shoppers / 60 minutes = 1.4. We know that r = 1.4.
We want to know, “…about how many shoppers, on average…,” which are the units for N.
This paragraph was a long-winded way of asking you to solve for N! The actual math involved in this problem looks like the following:
N = rt
N = (1.4)(5)
N = 7
Answers
The final result is: 9p + 4.
Answers
6n ^ 5 (7n ^ 4-5n + 5)
We can rewrite the expression using power properties.
We have then:
42n ^ (4 + 5) - 30n ^ (1 + 5) + 30n ^ 5
Rewriting:
42n ^ 9 - 30n ^ 6 + 30n ^ 5
Answer:
the product is:
42n ^ 9 - 30n ^ 6 + 30n ^ 5
Answer:
ok
Step-by-step explanation: