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Lady bird [3.3K]
3 years ago
10

Which equation represents the line that passes through (–8, 11) and (4,7/2 )? A. y =-5/8x + 6 B. y =-5/8 x + 16 C. y = -15/2x –

49 D. y =-15/2 x + 71

Mathematics
1 answer:
Dafna11 [192]3 years ago
4 0
Which equation represents the line that passes through (–8, 11) and (4,7/2 )?
☆☆☆☆☆☆☆☆☆☆☆☆☆☆A. y =-5/8x + 6
B.y =-5/8 x + 16
C. y = -15/2x – 49
D. y =-15/2 x + 71

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(6 + 7) + 8 = 21
Travka [436]

Answer: 6+(7+8)=21

Step-by-step explanation:

1. By definition, the associative property of addition is:

(a+b)+c=a+(b+c)

This property says that you can group the numbers in different ways and you will obtain the same result.

2. Therefore, if you have the following expression:

(6+7)+8=21

You apply  the Asociative property of addition by regrouping the numbers as following:

6+(7+8)=21

3. Then, you can conclude that the correct option is B.



4 0
2 years ago
If your current examination mean is 97.2 and you receive a 99 on the next examination, what effect will this have?
mr Goodwill [35]

If you have an average of 97.2 on your current exam and you get a 99 on your next exam, your average will increase.

  • Mean in mathematics is the sum (total) of all the values in a set of data, such as numbers or measurements, divided by the total number of values.

  • To find the average, sum all the values ​​in the set. Then divide the total by the number of values.

We have the current examination mean, xold = 97.2

Now, we receive,  x = 99 on the next examination, the new mean will be:

xnew = (xold + x)/N

xnew = (97.2+99)/2

xnew = 196.2/2

xnew = 98.1  

The new average is 98.1

98.1 > 97.2

So if you score 99 on your next exam, your average will increase.

Learn more about mean here

brainly.com/question/1136789

#SPJ4

3 0
1 year ago
Read 2 more answers
Which is the better unit price: $1.99 for a 3-ounce bottle or $2.49 for a 4-ounce bottle?
notka56 [123]

Answer:

2.49

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
A restaurant bought 36.5 pounds of beef from a store. The next​ month, the restaurant bought 71.3 pounds of beef and 21.5 pounds
Elena L [17]

Answer:

129.3

Step-by-step explanation:

Well, this is a addition problem, the only thing you need to do is add

36.5 + 71.3 + 21.5

Hope it helps :D

3 0
2 years ago
Let A be the set of all strings of decimal digits of length 5. For example 00312 and 19483 are two strings in A. You pick a stri
lord [1]

Answer:

0.59049

Step-by-step explanation:

Set of all digit strings of length 5

Digit range = (0 - 9) = 10

Length of digit = 5

Total possible outcomes = 10^5 = 100000

String without a 4 ;

Digit range = (0,1,2,3,5,6,7,8,9) = 9

Length of digit = 5

Required outcome = 9^5 = 59049

Required outcome / Total possible outcomes

59049 / 100000

= 0.59049

4 0
2 years ago
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