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Delvig [45]
3 years ago
12

-5 1/4-(-7 1/2) I need this simplified please help!!

Mathematics
1 answer:
meriva3 years ago
3 0

Answer:

-51/4 or -12.75

Step-by-step explanation:

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A vine called the mile a-minute weed is known for growing at a very fast rate. It can grow up to 0.25 inches
jek_recluse [69]

Answer:

\displaystyle =\frac{0.5\text{ ft}}{\text{day}}

The weed grows at a rate of 0.5 feet per day.

Step-by-step explanation:

The weed grows at a rate of 0.25 inches per hour.

And we want to convert this rate into feet per day.

We have that:

\displaystyle \frac{0.25\text{ in}}{\text{hr}}

We knowt that there are 12 inches in one foot.

And since we want to cancel the inches, we can write our conversion factor as ft / 12 in.

We also know that there are 24 hours in one day.

And since we want to cancel the hours, we can write our conversion factor as 24 hr / day.

Hence:

\displaystyle \frac{0.25\text{ in}}{\text{hr}}\cdot\frac{\text{ft}}{12\text{ in}}\cdot \frac{24\text{ hr}}{\text{day}}

Multiply and cancel common terms. So:

\displaystyle =\frac{0.5\text{ ft}}{\text{day}}

The weed grows at a rate of 0.5 feet per day.

4 0
3 years ago
Convert 54 inches to yards.
Andru [333]
1.5 yards is the correct answer
54in=4ft 6in=1.5yd
8 0
4 years ago
The amounts of money Brittany earned each week from babysitting for 5 weeks are $12, $62, $70, $54, and $62. The mean amount ear
stepladder [879]

Answer:

The outlier is $12, results in a decrease in the mean. Outliers have little influence on the median.

If you actually calculate and try and find an outlier, this dataset doesn't have one. But I'm going to assume they're just looking for an extreme number in the set since it clearly says to identify it

6 0
3 years ago
Kevin went fishing and is using a scatterplot to analyze the relationship between the weight of each of the fish he caught in po
Wittaler [7]

Answer:

The answer is A.The points on the scatter plot will go up from left to right because as the weight in pounds increases, the weight in kilograms increases, because when the pounds (lbs.) increases, the kilograms (kg.) increase.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
In a study of 900 adults, 45 out of the 325 men in the study said that they preferred to rent a movie on DVD rather than going o
atroni [7]

Answer:

\%DVD = 14\%

Step-by-step explanation:

Given

Population = 900

Sample = 325 --- selected adults

Proportion = 45 --- those that prefer renting a movie

Required

Represent the proportion as a sample.

This is calculated as thus:

\%DVD = \frac{Proportion}{Sample} * 100\%

\%DVD = \frac{45}{325} * 100\%

\%DVD = \frac{45 * 100}{325}\%

\%DVD = \frac{45 00}{325}\%

\%DVD = 13.85\%

\%DVD = 14\% --- approximated

8 0
3 years ago
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