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Lorico [155]
3 years ago
14

Which term is not a like term? 3x 4y 7x x

Mathematics
1 answer:
Katena32 [7]3 years ago
6 0

Answer:

4y is not a like term.

Step-by-step explanation:

Unlike the other variables, 4y has a y instead of an x. The numbers with an x variable can all be combined, but 4y can't be combined with an x variable.

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jackson is in charge of creating the work schedule for employees at big wave water park. If too many employees are scheduled the
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Answer:

Transcribed image text: Jackson is in charge of creating the WIR SCHUUIU IUIUMIUJU many employees are scheduled, the water park loses money. On the other hand, if tool are scheduled on a busy day, customers are unhappy and the water park could lose business Jackson knows there is a relationship between the daily temperature and the number of which, in turn, determines the number of employees needed. A t Use the data below to do the following: ral Graph the data. Find an equation for the line of best fit.- Predict the number of employees needed when the temperature is 77 Temperature 70 75 forecast (F) Number of 31 employees DRAW A LINE THAT GORS THROUGH " As chole A Poss.BLE TO ALL your POINTS. THEN FIND THE EQUATION OF THIS LINE. 80 35 40 B e Teme (FO) Y-y1 = n(X) 4-65- 2005 44-260=58-75 3 x 4y + 185=0 To 20 30 % employes When tene is 77. 5x48777185 5 1 = 123 </25 empbyes Extension: On a day when the temperature is 85°, there are approximately 550 customers at the park. Use this information to predict the number of customers on a 97 day. Math Ready v3 Unit 4. Lesson 6 Independent Practice Jackson is in charge of creating the work schedule for employees at Big Waves Water Park. It too many employees are scheduled, the water park loses money. On the other hand, if too few employees are scheduled on a busy day, customers are unhappy and the water park could lose business. Jackson knows there is a relationship between the daily temperature and the number of customers, which in turn, determines the number of employees needed Use the data below to do the following: coGraph the data. . Find an equation for the line of best fit- POIN Predict the number of employees needed when the temperature is 77". Temperature 65 70 75 80 forecast (F) Number of 19 2731 employees DRAW A LINE THAT GO THROUGH AS CLOSE AS Poss GLE TO ALL your POINTS. THE FIND THE DOUA - 15 F B). 71/1 = n(xxc) ola-63= 70.688 (X-15 Yy-260=58-75 5+ 4y +185=0 teme (F) 10 20 30 % employes - When tene is 772 3x4x777185 51-123 2/25 employes Extension: On a day when the temperature is 85, there are approximately 550 customers at the park. Use this information to predict the number of customers on a 97 day.

Step-by-step explanation:

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5 0
3 years ago
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Which expressions are equivalent to 2 ln a 2 ln b - ln a? Check all that apply. Ln ab2 - ln a ln a 2 ln b ln a2 ln b2 - ln a 2 l
marysya [2.9K]

Equivalent expressions are expressions with same simplified form. Equivalent expressions for the given expression are;

  • Expression 2:  \ln(a) + 2\ln(b) = \ln(a) + \ln(b^2)  = \ln(ab^2)
  • Expression 3:  \ln(a^2) + \ln(b^2) - \ln(a) = \ln(a^2b^2/a) = \ln(ab^2)
  • Expression 5:  \ln(ab^2)

<h3>What are equivalent expressions?</h3>

Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.

To derive equivalent expressions of some expression, we can either make it look more complex or simple. Usually, we simplify it.

<h3>What is logarithm and some of its useful properties?</h3>

When you raise a number with an exponent, there comes a result.

Lets say you get

a^b = c

Then, you can write 'b' in terms of 'a' and 'c' using logarithm as follows

b = log_a(c)

Some properties of logarithm are:

log_a(b) = log_a(c) \implies b = c\\\\\log_a(b) + log_a(c) = log_a(b \times c)\\\\log_a(b) - log_a(c) = log_a(\frac{b}{c})\\\\log_a(b^c) = c \times log_a(b)\\\\log_b(b) = 1\\\\ log_a(b) + log_b(c) = log_a(c)

Log with base e = 2.71828.... is written as \ln(x) simply.

The expression given is 2\ln(a) + 2\ln(b) - \ln(a)

We get its simplified form as

2\ln(a) + 2\ln(b) - \ln(a) = \ln(a) + \ln(b^2) = \ln(ab^2)

Simplifying given expressions:

  • Expression 1:  \ln(ab^2) - \ln(a) = \ln(ab^2/a)  = \ln(b^2)

This isn't same as simplified form of original

. Thus , this expression is not equivalent to the given expression.

  • Expression 2:  \ln(a) + 2\ln(b) = \ln(a) + \ln(b^2)  = \ln(ab^2)

This is same as simplified form of original expression. Thus , this expression is equivalent to the given expression.

  • Expression 3:  \ln(a^2) + \ln(b^2) - \ln(a) = \ln(a^2b^2/a) = \ln(ab^2)

This is same as simplified form of original expression. Thus , this expression is equivalent to the given expression.

  • Expression 4:  2\ln(ab) = \ln((ab)^2) = \ln(a^2b^2)

This isn't same as simplified form of original expression. Thus , this expression is not equivalent to the given expression.

  • Expression 5:  \ln(ab^2)

This is same as simplified form of original expression. Thus , this expression is equivalent to the given expression.

Thus, equivalent expressions for the given expression are;

  • Expression 2:  \ln(a) + 2\ln(b) = \ln(a) + \ln(b^2)  = \ln(ab^2)
  • Expression 3:  \ln(a^2) + \ln(b^2) - \ln(a) = \ln(a^2b^2/a) = \ln(ab^2)
  • Expression 5:  \ln(ab^2)

Learn more about equivalent expressions here:

brainly.com/question/10628562

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balandron [24]

Answer:

a = -5

Explanation:

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