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4 years ago

Monica read 7 1/2 pages of a mystery book and nine minutes. What is her average reading rate in pages per minute?

2 answers:

5 0

To do this you simply do 7 1/2 pages divided by 9. This gives you an average of .83 (with the three repeating) pages per minute. This is 5/6 as a fraction.

Andrew [12]4 years ago

3 0

Her average page per minute is 1.125 pages

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Which situation represents a multiplicative relationship? A) Kevin is 8 years older than his brother Sean. B) For every cat at t

Lunna [17]

Answer:

Option B represents a multiplicative relationship.

Step-by-step explanation:

We are required to find the situation that represents a 'multiplicative relationship'.

According to the options, we have,

A) Kevin is 8 years older than his brother Sean.

This gives us the relation that, Kevin's Age = 8 + Sean's Age.

Thus, this is not a multiplicative relationship.

B) For every cat at the pet store, there are 2 dogs.

We get that, for 1 cat, there are two dogs.

So, Number of dogs = 2 × Number of cats.

Thus, this is a multiplicative relationship.

C) A buy one get one free sale on sweaters at the clothing store.

So, during the sale a person can buy 1 + 1 i.e. 2 sweaters.

Thus, this is not a multiplicative relationship.

D) James always keeps $100 more in his savings than his checking account.

This gives us the relation that, Savings balance = 100 + Checking balance

So, this is not a multiplicative relationship.

Hence, option B represents a multiplicative relationship.

6 0

4 years ago

Plz help asap I will give brainliest

elena-s [515]

Answer:

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

The population of a town grows at a rate proportional to the population present at time t. The initial population of 500 increas

olga_2 [115]

Answer:

The population would be 781.

The population is growing with the rate of 12.50 persons/yr.

Step-by-step explanation:

Since, the formula for calculating the population, increasing with a rate per period,

$A=P(1+r)^{n}$

Where, P is the initial population,

r is the rate per period,

n is the number of period,

t is the total years,

Here, P = 500, r = 25 % = 0.25, n = 2 ( the number of '10 year period' of in 20 years is 2 )

Hence, the population in 20 years would be,

$A=500(1+0.25)^2=500(1.25)^2=781.25\approx 781$

Now, the rate of increasing per 10 year is 25 %,

⇒ The rate of increasing per year is 2.5 %,

Thus, the growing people per year = 2.5 % of 500 = 0.025 × 500 = 12.50

Hence, the population is growing at 12.50 person per year.

4 0

3 years ago

How does the mean absolute deviation (MAD) of the data in set 1 compare to the mean absolute deviation of the data in set 2?

Marta_Voda [28]

Answer:

MAD of Set 1 is 13 more than the MAD of Set 2

4 0

3 years ago

tim spends 25% of his time at the gym dooing leg exercises , 1/5 on shoulder exercises , 0.35 on biceps exercises , and warming

svetoff [14.1K]

Answer:

20%

Step-by-step explanation:

1/5 of 1 hour = 20 minutes

so 1/5 = 20%

25% + 20% = 45%

0.35 = 35%

45% + 35% = 80%

100% - 80% = 20%

Answer = 20%

Hope this helps!

3 0

4 years ago