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ale4655 [162]
3 years ago
11

Of the students at I.S. 59, 230 signed up for the school picnic. That was 50% of all students in the school. How many students a

ttend I.S. 59
Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

Answer: 460 students

Step-by-step explanation:

Based on the information given in the question, let the total number of students that attend I.S. 59 be represented by x.

Since we've been given the information that 230 signed up for the school picnic which was 50% of all students in the school. Then, the students in the school will be:

= 50% of x = 230

0.5 × x = 230

0.5x = 230

x = 230/0.5

x = 460

Therefore, 460 students attend the school.

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x = c(a + b)

Step-by-step explanation:

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Twenty less than 8 times a number is the same as 15 more than the number
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Which expression is equivalent ?<br><br> LOOK AT THE PICTURE
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x^ (5/3) y ^ 1/3

Step-by-step explanation:

Rewriting as exponents

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8 0
3 years ago
Read 2 more answers
The table below shows the temperature in degrees for eight consecutive days as well as the respective number of ice cream cones
cricket20 [7]

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We have to find the equation of least squares regression line in order to find the number of ice cream cones that the shopkeeper to sell if the temperature is 106 degrees. We can use excel regression data analysis tool to find the equation of the regression line. The excel output is attached here.

The equation of the least squares regression line is:

\hat{y}=46.587+5.080x

Now, if the temperature is 106 degrees, then the number of cones expected to be sold is given below:

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6 0
3 years ago
So far this year, the average monthly revenue at Lexington Times is 50,711. That is 5% less than the monthly average was last ye
SOVA2 [1]

53,380 was the average last year .

<u>Step-by-step explanation:</u>

Here we have , So far this year, the average monthly revenue at Lexington Times is 50,711. That is 5% less than the monthly average was last year. We need to find that  What was the average last year . Let's find out:

Let the monthly average was last year be x , According to question the average monthly revenue at Lexington Times is 50,711 but , That is 5% less than the monthly average was last year . Following equation for above scenario is :

⇒ x-\frac{5(x)}{100}=50711

⇒ \frac{100x-5x}{100}=50711

⇒ \frac{95x}{100}=50711

⇒ \frac{95x(100)}{100(95)}=\frac{50711(100)}{95}

⇒ x=\frac{50711(100)}{95}

⇒ x=53380

Therefore , 53,380 was the average last year .

7 0
3 years ago
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