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alukav5142 [94]
3 years ago
14

A pen cost y dollars,how much will 25 such pens cost

Mathematics
1 answer:
Gekata [30.6K]3 years ago
4 0
An equation could be x=25y.
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a school had 690 students sign up for the trivia teams if they wanted to have nine teams with the same number of students on eac
uysha [10]

Answer:

3 more students need to sign up

Step-by-step explanation:

Let the equal number of students in 9 teams be x.

Total number of signed up students = 690.

Let t be the required number of students to be signed.

Therefore, 9x = 690+t.

This means, 690+t is a multiple of 9.

The least value of t to make 690+t, a multiple of 9 is 3 and hence,

\frac{693}{9}

= 77

Hence, 3 more students need to sign up and each of the 9 teams consists of 77 students.

5 0
3 years ago
What is the interquartile range of the data set? Enter the answer in the box. Key: 1|5 means 15
Aneli [31]
First of all we have to arrange the data in ascending order as shown below:

28, 40, 43, 43, 45, 50, 50

Total number of values = 7

Since the number of values is odd, the median will be the middle value i.e. 4th value which is 43. Median divides the data in two halves:

1st Half = 28, 40, 43
2nd Half = 45, 50, 50

Q1 or the First Quartile is the middle value of the lower or 1st half which is 40.
Q3 or the Third Quartile is the middle value of the upper or second half, which is 50.

IQR or the Inter Quartile Range is the difference of Q3 and Q1.

So, IQR= Q3 – Q1 = 50 – 40 = 10

Thus, IQR for the given data is 10
4 0
3 years ago
Read 2 more answers
The diameter of a coin is 26mm. Mathew lined up 56 coins from the left end of his desk to the right end of his desk. What is the
Ne4ueva [31]

Answer:

Your answer is 145.6

Step-by-step explanation:

First multiply 56 and 26 which then you get 1456mm then divide the length value by ten and then you get 145.6.

Hope I helped!

5 0
2 years ago
Thomas has graphed the function y = 7x – 10 on a coordinate plane.
Alik [6]

Answer: C.It has a negative association

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Need help Write 6/10 as a percent, decimal
gayaneshka [121]
6 divided by 10 would be 60 percent and .60 as a decimal
4 0
3 years ago
Read 2 more answers
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