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ludmilkaskok [199]
4 years ago
11

A sixth- grade math teacher can grade 25 homework assignments in 20 minutes. Is he working at a faster rate or slower rate than

grading 36 homework assignments in 30 minutes?
( comparing rates)
Mathematics
1 answer:
Akimi4 [234]4 years ago
5 0

Answer:

  faster

Step-by-step explanation:

25 in 20 minutes is 25/20 = 1.25 per minute

36 in 30 minutes is 36/30 = 1.20 per minute

The first rate is faster.

You might be interested in
In February, Yvonne’s hair was 47.0cm long. She continued to measure her hair each month to track its growth. In March, it was 5
Akimi4 [234]

Answer:

The rate of Yvone's hair growth is 3.1 cm per month.

Step-by-step explanation:

WIth the data from Yvonne's hair we can create a sequence that goes as follows:

A = {47, 50.1, 53.2, 56.3, 59.4,...}

This is an arithmetic sequence, the numbers are related to each other by a common difference, in other words to find the next number we just need to add a constant "r". To find this constant we can subtract any adjacent numbers on this sequence, this is shown below:

r = 50.1 - 47 = 3.1

r = 53.2 - 50.1 = 3.1

r = 56.3 - 53.2 = 3.1

and so on.

The rate of Yvone's hair growth is 3.1 cm per month.

3 0
4 years ago
For the expression, which of the following is the coefficient of the term involving the variable x^3/2 + 4y + 5z²
GarryVolchara [31]

Answer:

½

Step-by-step explanation:

A coefficient is any number that comes before a variable and is multiplies that variable.

In the equation given, the term involving the variable x is x³/2. Therefore, the coefficient of x³/2 would be ½.

i.e. ½ × x³

5 0
3 years ago
Please would someone be able to give the answer to this Thankyou
sdas [7]

Answer:

6×6 =36 this will answer

7 0
3 years ago
Read 2 more answers
Whats red + blue + purple?
Dahasolnce [82]

Answer:

probably just a darker purple

Step-by-step explanation:

8 0
3 years ago
Here are the city gas mileages for 13 different midsized cars in 2008. 16, 15, 22, 21, 24, 19, 20, 20, 21, 27, 18, 21, 48 What i
Vaselesa [24]

Answer:

Q1 --> 18.5

Step-by-step explanation:

4 0
3 years ago
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