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erma4kov [3.2K]
3 years ago
15

15 less than quadruple a number w​

Mathematics
1 answer:
vichka [17]3 years ago
8 0

Answer:

4w-15

Step-by-step explanation:

For expressions that have "more than/less than" , that number goes AFTER the "whatever a number" statement because that's just how they explain it. I don't remember the exact reason why, but that is how my professor made me remember it, and yes, the order WILL affect the expression since that's a specific topic and I suppose you're being tested on how to make algebraic expressions based on descriptions.

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Whats not true about direct porportion
MatroZZZ [7]
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3 0
3 years ago
A company buys a copier for $10,000. The Internal Revenue Service values the copier at 10,000(1 - n/20)
Grace [21]

Step-by-step explanation:

10000-(10000n/20) = 10000 - (500n)

6500 = 10000 - 500n

3500 = 500n

n = 7

4 0
3 years ago
Which zero pair could be added to the function f(x)=x2 +12x+6 so that the function can be written in vertex form
Gnom [1K]

The most general proccedure for this type of problems is the following:

For a quadratic function of the following form f(x)=x^2+bx+c; where b and c are real numbers.

1) Identify the value that accompanies the x, that is, the value "b"

2) Divide the value of b by 2 and then square it: (\frac{b}{2})^2

3) Add and subtract in the function the value of  (\frac{b}{2})^2

4) Write the complete function of the form f(x) = (x+\frac{b}{2})^2-(\frac{b}{2} )^2+c

For the function presented f(x)=x^2 +12x+6 the result is as follows:

1) The value of b is 12

2) (\frac{12}{2} )^2=36

3) f(x)=(x^2+12x+36)-36+6

4)f(x)=(x+6)^2-36+6

Finally the function is:

f(x)=(x + 6)^2-30


The zero pair that must be added is 36 and -36


3 0
3 years ago
Angela goes to the garden. There is a fountain. A circular fountain with a 10m radius lies alone in the center of a circular par
iren2701 [21]
Fountain
A = pi * 10^2
A = 100pi

Garden
A = pi * 200^2
A = 40,000pi

40,000pi - 100pi = 39,900 m^2
4 0
3 years ago
What is 32% of 75.write your answer underneath?
Leviafan [203]
Do you mean 0.75? Or 75? If you meant 32% of 75 it's 24.... But if you meant 32% of 0.75 it's 0.24.

Hope this helps! <3 
8 0
4 years ago
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