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Aleks [24]
3 years ago
6

Which of the following expression is not equivalent to -4.5 times -8?

Mathematics
2 answers:
torisob [31]3 years ago
4 0

(8)(-4.5) is not equivalent because 8 times -4.5 results in negative value

Anastaziya [24]3 years ago
4 0

Answer:

(8)(-4.5) would be your answer

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8. At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance the
Bezzdna [24]

Answer:

.8

Step-by-step explanation:

S= studies for

B= score of b or higher

we want P(S|B)

Using Bayes' theorem we can solve for the probability

S|B=\frac{B|S*S}{B|S*S+B|S'*S'}=\frac{.55*.6}{.55*.6+.2*.4}=0.80487804878

3 0
3 years ago
13p + 5p - 9p -2p=7 what is p
Law Incorporation [45]

Answer:

p=1

Step-by-step explanation:

18p-9p=9p

9p-2p=7p

7p=7

6 0
3 years ago
What is the least common denominator of 4/5 - 3/4
weqwewe [10]

Answer:20 is the least common

Step-by-step explanation:

6 0
3 years ago
Find the nth term of this quadratic sequence<br> 3, 11, 25, 45, .
Hoochie [10]

The term of the given quadratic sequence is found to be 3n² - n + 1 using the principle of mathematical induction.

Given,

In the question:

The quadratic sequence is :

3, 11, 25, 45, ...

To find the nth term of the quadratic sequence.

Now, According to the question;

The first term of the sequence is 3, the second term is 11, the third term is 25, and the fourth term is 45.

The difference between the first and second terms can be calculated as follows:

11-3 = 8

The difference between the second and third terms can be calculated as follows:

25-11 = 14

The difference between the third and fourth terms can be calculated as follows:

45-25 = 20

The sequence is expressed as follows:

3,3+8,11+11,25+20,...

The difference between consecutive terms expands by 6.

Use the principle of mathematical induction.

6(\frac{n(n+1)}{2} )

= 3n(n+1)

The sequence's nth term can be calculated as follows:

term = 3n(n+1) - 4n + 1

             = 3n² - n + 1

Hence, the term of the given quadratic sequence is found to be 3n² - n + 1 using the principle of mathematical induction.

Learn more about Principle of mathematical induction at:

brainly.com/question/29222282

#SPJ1

6 0
1 year ago
a football match,the ratio of children to adults is 2:7.there are 2700 people int he crowd. each adult ticket is £8 each child t
marusya05 [52]

Step-by-step explanation:

since the ratio of children to adult is 2:7,

2+7 = 9

number of children would be

(2 × 2700)/9 = 600 children in the crowd

number of adults would be

(7 × 2700)/9 = 2100 adults in the crowd

So, if a ticket costs £8 per adults, total cash made from adult

= 8 × 2100 = £16800

if a ticket costs £(8 - 3) per children, total cash made from children

= 5 × 600 = £3000

total money made = £(16800 + 3000)

= £19800

7 0
3 years ago
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