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Pachacha [2.7K]
3 years ago
8

Write an expression that represents the value in cents of n nickels

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
8 0
An expression does not have an equal sign.
Since the value of a nickel is 5 cents and you want to find out the value of n nickels (which means if you had any number of nickels) the expression would be
.05n
natali 33 [55]3 years ago
8 0
This is a good answer i hope3x-x+2=4
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Which of the following statements is the converse of the statement, "If each of two angles has a measure of 28 degrees, then the
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Answer:

  1.) If two angles have equal measures, then the measure of each is 28 degrees.

Step-by-step explanation:

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  if <em>two angles are equal in measure</em>, then <em>each of the two angles has a measure of 28 degrees</em>.

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2 years ago
Question 1<br> How do metal atoms bond together?
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3 years ago
Find the approximate solution(s) to each of the following equations graphically. Use technology to support your
ser-zykov [4K]

Answer: x" = 5.69

Step-by-step explanation:

The graphic solution is attached.

Verifying the solution:

Existence condition: x > 0

2x - 4 = √x + 5

√x =2x - 4 - 5

√x =2x - 9 (²)

x = (2x - 9)²

x = 4x² - 36x + 81

4x² - 36x - x + 81 = 0

4x² - 37x + 81 = 0

Δ = -37² - 4.4.81 = 1369 - 1296 = 73

x = 37 ±√73/8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

x' = 3.55

x" = 5.69

checking:

2*3.55 - 4 = 3.1

√3.55 + 5 = 6.88 Its not the same ∴ 3.55 is not a solution

2*5.69 - 4 = 7.39

√5.69 + 5 = 7.39 ∴ it's the only solution

4 0
2 years ago
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