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yaroslaw [1]
2 years ago
15

Of the 120 students in 7th grade, 3/4 of them were wearing jeans. Of the students who were wearing jeans, 1/3 of the were wearin

g sandals. How many 7th grade students were wearing jeans and sandals?
Mathematics
1 answer:
djverab [1.8K]2 years ago
5 0

Answer:

30 students were wearing jeans and sandals

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What is the change in y- values for every two units of x-values?
schepotkina [342]

Answer:

The graph of y\:=\:\frac{1}{2}x  is also attached below, which indicates that there is a change of only one unit on the y-axis for every two units of x-values.

Step-by-step explanation:

When there is a change in x values, it is basically a horizontal change. horizontal change between two values is also called the run.

And the vertically change between two values is also called the rise.

The slope is basically the ratio of the vertical (rise) and horizontal (run) changes between two points on a line.

For example, consider the equation

y\:=\:\frac{1}{2}x

\mathrm{Slope\:of\:}\frac{1}{2}x:\quad m=\frac{1}{2}

Here fore every two units of x-values, one units are moved on the y-axis.

In other words, there is a change of only one unit on the y-axis for every two units of x-values.

The graph of y\:=\:\frac{1}{2}x  is also attached below which is showing this.

5 0
3 years ago
Ronald spins a spinner that has 10 sections numbered from 1 to 10. What is the probability that the spinner lands on a prime num
vladimir1956 [14]
Prime number is a whole number that has no possible divisors that 1 and itself. Prime numbers are 2, 3, 5.7.11,13,17,19,23 and 29. From 1 to 10 there are 3 prime numbers: 3,5 and 7. 
The probability can be calculated as the ratio between the number of "good" events and the total number of possible events. There are three "good" events (3,5 or 7) and 10 total events, so the probability that the spinner lands on a prime number is: 3/10. So, none of the given options is true.
5 0
3 years ago
Read 2 more answers
The difference between a number x and 3 is at least nine Write an inequality for the following sentence.
dybincka [34]

Answer:

3 - x ≥ 9

Step-by-step explanation:

At least in inequality means greater than or equal to (≥)

Difference in mathematics means subtraction

The difference between a number x and 3

3 - x

is at least nine

3 - x ≥ 9

The inequality for the sentence is

3 - x ≥ 9

6 0
3 years ago
Calculate the equation of a line passing through C(4;7) and D(9;17)
Ludmilka [50]

Answer:

it would be 10/5 or 2

Step-by-step explanation:

y2-y1/x2-x1

17-7/9-4

10/5 simplify

2

3 0
2 years ago
Which statement is true about the purpose of trend lines in scatterplots?
skelet666 [1.2K]

Answer:

c just took the test edge 2020

Step-by-step explanation:

7 0
3 years ago
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