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3 years ago

Which expression is equivalent to the given expression?

Mathematics

2 answers:

Andrej [43]3 years ago

5 0

Answer: the answer is D . -5(y - 3)(y - 7 )

Step-by-step explanation:

That’s the answer .

Andrews [41]3 years ago

3 0

Hehheheehehehehehdnndnd

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The table shows data from a survey about the number of times families eat at restaurants during a week. The families are either

Anna11 [10]

Solution:

1. Rome

Minimum=0

Maximum=16

$Q_{1}=3, Q_{3}=13, {\text{IQR}=Q_{3}-Q_{1}=13-3=10,$

Median , $Q_{2}=8.5$

Mean = 8

Standard Deviation(σ)=5.4

As, difference between , Maximum -Mean =Mean - Minimum=8

So, Mean will Worthy description to find the center of Data set, given about Rome.

2. New York

Minimum=1

Maximum=20

$Q_{1}=4.5, Q_{3}=6, {\text{IQR}=Q_{3}-Q_{1}=6-4.5=1.5,$

Median , $Q_{2}=5.5$

Mean = 7.25

Standard Deviation(σ)=6.1

As, for New york , Mean is not the mid value, that is difference between Mean and Minimum is not same as Maximum and Mean.

As, you can see , the three Quartiles , $Q_{1},Q_{2},Q_{3}$ are very close to each other, it means , other data values are quite apart from each other. So, Mean will not appropriately describe the given data.So, in this case Median will suitable to find the center.

Option (B): The Rome data center is best described by the mean. The New York data center is best described by the median.

6 0

3 years ago

Adult tickets to the fall play cost $8 and student tickets cost $4. The drama class sold 30 more adult tickets than student tick

Arada [10]

8a+4s=840
a=s+30
8(s+30)+4s=840
12s+240=840
12s=600
s=50

A=s+30
a=50+30
a=80

The drama play sold 80 adult tickets

8 0

3 years ago

Paula ran for 195 minutes this weekend. She ran 25 minutes more on Saturday than she did on Sunday. For how long did she run eac

sergejj [24]

Subtract 195 by the 25 extra minutes paula ran on saturday. then divide the answer(170) by 2 to get 85 for the number of minutes she ran on sunday. Add the 25 extra minutes to 85 to get the number of minutes she ran on saturday, which will be 110 minutes.

7 0

4 years ago

Read 2 more answers

A triangle has sides that measure 2 units, 5 units, and 5. 39 units. What is the area of a circle with a circumference that equa

asambeis [7]

The circumference of the circle is equal to the perimeter of the triangle, then the area of the circle is 12 square units. Option D is correct.

<h3>What is a circle?</h3>

It is a locus of a point drawn equidistant from the center. The distance from the center to the circumference is called the radius of the circle.

A triangle has sides that measure 2 units, 5 units, and 5.39 units.

The circumference of the circle is equal to the perimeter of the triangle. Then the radius of the circle will be

$2 \pi r = 5 + 2 +5.39\\\\r = 1.97$