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Nat2105 [25]
3 years ago
8

Elena walked 20 minutes more than Lin. Jada walked twice as long as Elena. Jada walked for 90 minutes. The equation 2(x+20) = 90

describes this situation
Mathematics
2 answers:
alisha [4.7K]3 years ago
7 0

Answer:

5 21 ²48⁴95839383838462901747493948

Advocard [28]3 years ago
7 0
The answer is 20 hopes this helps
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Use percents to compare attendance at two concerts: 299 people attended the first concert, while 949 attended the second. pls he
Lisa [10]

At the second concert, there were 217% more people than in the first concert.

<h3>What are percentages?</h3>

Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. The sign used to represent percentages is %.

<h3>What is the comparison between the two concerts?</h3>

Number of people who attended the second concert compared to the first concert = (949/299) - 1 x 100 = 217%

To learn more about percentages, please check: brainly.com/question/25764815

8 0
3 years ago
Ok, this is not a question but I am here to inform anyone that knew me when I did answer questions and was very active on Brainl
STatiana [176]
If you don’t mind...who were you? as in your name?
5 0
3 years ago
60 boys at a summer camp were asked to complete a survey about their favorite outdoor activity. 18 boys chose biking and 29 boys
stepladder [879]
First youll want to add 18 and 29. which gives you 43. then you’ll want to find out how much is 29 people percentage wise. so you’ll do 29/43 which gives you 67.44% if it’s answer choices. you round it to the most whole number if they don’t use decimals.
4 0
4 years ago
Determine whether the ffunction X/(x^2-1) is odd even or neither
djyliett [7]

equation is:

f(x) = \frac{x}{ {x}^{2} - 1 }

so if its even f(-x) should be equal to f(x)

that means

f( - x) =   \frac{ - x}{  {( - x)}^{2}  - 1}  \\  \\ f( - x) =     - \frac{ x}{ {x}^{2}  - 1}

so f(x) is not equal to f(-x) so its not even

If its odd than f(-x) should be equal to -f(x)

- f(x) =  - ( \frac{ x}{ { x}^{2} - 1 } ) \\  - f(x) =    - \frac{ x}{ {x}^{2} - 1 }

so as we can see f(-x)= - f(x)

so the function is odd

Ans:function is odd and not even

3 0
3 years ago
2/3b 6+7=-1 <br><br> What is the value of b?
ZanzabumX [31]

Answer:

i dont know sorry

Step-by-step explanation:

5 0
3 years ago
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