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Wewaii [24]
4 years ago
10

Find the area and the circumference of a circle with radius 4 cm.

Mathematics
1 answer:
daser333 [38]4 years ago
8 0

Answer:

Area= 50.27 cm

Circumference= 25.13 cm

Step-by-step explanation:

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Work out the question below
Andrews [41]

Answer:

he needs 20.25 bags of sand and it would cost her 80.79

Step-by-step explanation:

150cm*90cm*15cm=202,500cm^3 this is how much sand she needs to fill it

202,500cm^3/10,000cm^3=20.25 this is how many bags he needs

3.99*20.25=80.79 this is how much it'll cost him for all 20.25 bags

6 0
3 years ago
A school purchsed basketball for $20 each and footballs for $15 each. they a brought a total of 28 for $480 how many of each typ
satela [25.4K]

Answer:

i in total spent : 480

Step-by-step explanation:

he bought 12 basketballs = 240

he bought 16 football = 240

you can decide how to make your system

4 0
3 years ago
Use the given information to draw a box-and-whisker plot of the data set
drek231 [11]

Answer:

The box-and-whisker plot of this distribution is presented in the attached image to this solution.

Step-by-step explanation:

A box plot gives a visual representation of the distribution of the data, showing where most values lie and those values that greatly differ from the rest, called outliers.

A box and whiskers plot shows 5 major information about the distribution of data. It shows:

- The maximum variable.

- The minimum variable.

- The Median.

- The first quartile.

- The third quartile.

Further info such as the range and Inter quartile range can then be obtained from this 5-number summary.

The elements of the box plot are described thus;

The bottom side of the box represents the first quartile, and the top side, the third quartile. Therefore, the width of the central box represents the inter-quartile range.

The horizontal line inside the box is the median.

The lines extending from the box reach out to the minimum and the maximum values in the data set, as long as these values are not outliers. The ends of the whiskers are marked by two shorter horizontal lines.

Variables in the dataset, higher than Q3+(1.5×IQR) or lower than Q1-(1.5×IQR) are considered outliers and are usually shown using dots above the top whisker or below the bottom whisker.

The required boxplot for this question is given in the attached image to this solution.

The median for the boxplot isn't provided, but it was assumed to be midway between the first and third quartile.

Hope this Helps!!!

7 0
3 years ago
3(2a + 1) = -5(a + 6)
Lemur [1.5K]
3(2a+1)=-5(a+6)
First expand the brackets.
6a+3=-5a-30
Now add 5a to both sides.
11a+3=-30
Then subtract 3 from both sides.
11a=-33
Finally divide both sides by 11.
a=- 33/11
=-3
4 0
4 years ago
Please ANSWER! DOING A TEST!
Natasha_Volkova [10]

Answer:

The correct answer is B!

Step-by-step explanation:

6 0
3 years ago
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