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katrin [286]
2 years ago
8

1. Which of the following are statistical questions? Select all that apply.

Mathematics
1 answer:
Arada [10]2 years ago
5 0


Example-A statistical question is a question that can be answered by collecting data that vary. For example, “How old am I?” is not a statistical question, but “How old are the students in my school?” is a statistical question.

Answers- A, C, D and E
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HELP FAST FAST FAST
Rus_ich [418]

Answer:

h=3in  

Step-by-step explanation:

A=a+b

2h

Solving forh

h=2A

a+b=2·13.5

3+6=3in

3 0
3 years ago
Please help with this question. I would appreciate it!
Veronika [31]

Answer:

Mass of A = 5760 grams

Step-by-step explanation:

Surface area is given, so we can set-up a similarity equation to solve for k, proportionality constant. Here, we will relate both of them through k^2, because they are 2 dimensional (area). Thus

Surface Area of A = k^2 * Surface Area of B

28 = k^2 * 40.32

k^2 = 28/40.32

k^2 = 25/36

k = Sqrt (25/36)

k = 5/6

Now, we want to find mass (1 dimensional quantity), thus we can say:

Mass of A = k * Mass of B

Mass of A = (5/6) * (6912)

Mass of A = 5760 grams

8 0
3 years ago
Read 2 more answers
49 × 66 + 49 × 34 = 49 × ( ____+ _____)​
Mashutka [201]

Answer:

49×66+49×34 = 49× (66+34)

5 0
3 years ago
Read 2 more answers
Explain why 3(5x) does not equal to (3 times 5)(3times x)
Anit [1.1K]

Answer:

Because 3(5x) is the same as 3 *5 * x

Step-by-step explanation:

When a number is next to another in parantheses, it signifies multiplication. In this case, we already have 5 and x grouped together by a multiplication sign, so the entire thing is 5 * x. The statement below is key

Distribution in multiplication is only possible if a variable is grouped to another real number by a plus or minus sign.

So in this case, we have 3 * 5 * x, which is 15x. However, if we had 3(5 + x), we would have 15 (3 * 5) + 3x (3 * x).

Hopefully that makes sense!

7 0
3 years ago
HELP PLEASE ITS GEOMETRY <br><br>17. If m∠EBD = 4x + 16 and m∠DBC = 6x + 4, find m∠EBD.
Ulleksa [173]

Answer:

m\angle EBD=40^{\circ}

Step-by-step explanation:

We have been given a diagram. We are asked to find the measure of angle EBD.

Since ray BD is angle bisector of angle EBC, so measure of angle EBD will be equal to measure of angle DBC.

m\angle DBC=m\angle EBD

6x+4=4x+16

6x-4x+4=4x-4x+16

2x+4=16

2x+4-4=16-4

2x=12

\frac{2x}{2}=\frac{12}{2}

x=6

To find measure of angle EBD, we will substitute x=6 in expression 4x+16 as:

m\angle EBD=4(6)+16

m\angle EBD=24+16

m\angle EBD=40

Therefore, measure of angle EBD is 40 degrees.

7 0
3 years ago
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