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KATRIN_1 [288]
3 years ago
13

Critique Reasoning: A student says that the perimeter of a rectangle with side lengths (2x – 1) inches and 3x inches can be writ

ten as (5x - 1)
inches, because (2x – 1) + (3x) = 5x – 1. Explain why this statement is
incorrect.
Mathematics
1 answer:
elena-s [515]3 years ago
3 0
Juyfftyyyyyygghjjjjjgteeedfehjedjdudududushejejsjsjejejeu
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Casey bought 9 tickets to a concert. After a $5 service charge, the total cost was $131. Write and solve an equation to find the
Inessa05 [86]

Answer: 14

Step-by-step explanation:

131 (total cost of tickets)- 5 (service charge) = 126 cost of tickets

126/9= 14 dollars a ticket

(c= cost)

131-5=c

126/9=14

Hope this helped

3 0
3 years ago
Use a graphing utility to graph the function and visually estimate the limits.
levacccp [35]

The value of the \lim_{x \to 0} f(x) and \lim_{x \to \frac{\pi }{3} } f(x) are 0 and 1.153 .

<h3></h3><h3>What is the limiting value of a function?</h3>

Limiting Value of a Function. The function's limit is the value of the function as its independent variable, such as x approaches a certain value called the limiting value. For simple equations, this is similar to finding out the value of y when x has a unique value.

Given that,

f(x) = 4x cos x

First to calculate the limit value of the given function at x=0.

\lim_{x \to 0} f(x) = \lim_{x \to 0} 4x cosx

                   = 4×0×1                              (∵ cos0 = 1)

\lim_{x \to 0} f(x) = 0

Similarly,

\lim_{x \to \frac{\pi }{3} } f(x) = \lim_{x \to \frac{\pi }{3} } 4x cosx

                     =  4×\frac{\pi }{3}×cos\frac{\pi }{3}

                     =  4×\frac{\pi }{3}×\frac{1}{2}                          (∵cos60° = \frac{1}{2})

\lim_{x \to \frac{\pi }{3} } f(x)  = 1.153

Hence, The value of the \lim_{x \to 0} f(x) and \lim_{x \to \frac{\pi }{3} } f(x) are 0 and 1.153.

To learn more about the limit of the function from the given link:

brainly.com/question/23935467

#SPJ9

8 0
1 year ago
Krutika was thinking of a number. Krutika adds 4 to it, then doubles it and gets an answer of 83.9. What was the original number
mr Goodwill [35]

Answer:37.95

Step-by-step explanation:

8 0
3 years ago
How many times does 0.75 fit into 9 wholly<br>I need help
nexus9112 [7]

Answer:

12. 9÷0.75.

Thank you. please mark me the braniliest.

3 0
1 year ago
WILL GIVE BRAINLIEST AND MANY POINTS PLEASE HELP IM DROWNING IN WORK
MissTica

Answer:

a*sqrt(x+b) + c = d

or

a*√(x+b) + c = d

Step-by-step explanation:

8 0
3 years ago
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