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dexar [7]
3 years ago
9

PLEASE HELP CORRECT ANSWERS ONLY!!

Mathematics
1 answer:
mariarad [96]3 years ago
5 0

Answer:

Associative Property of Reciprocals

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In a competative exam of 40 questions plus three months is awarded for a correct answer and minus one for every correct answer t
Alex Ar [27]

Answer:

76

Step-by-step explanation:

n a competitive exam of 40 questions, +3 is awarded for a correct answer and -1 for every wrong answer. Find the total score if a student had 11 wrong answers in his attempt of all questions.

Answers gotten wrong = 11

answers gotten right = 40 - 11 = 29

total score = (point for correct answer x number of correct answer) +  (point for wrong answer x number of wrong answer)

(+3 x 29) + (-1 x 11) = 76

6 0
2 years ago
Please help me thanks please <br> Will give you brainlest
Akimi4 [234]

Answer:

224

Step-by-step explanation:

<u>Base:</u>

A = Bh

A = 8(8) = 64

<u>Sides:</u>

A = 1/2 Bh

A = 1/2 8(10)

A = 40

<u>Then you do 40(4) because there are 4 sides:</u>

40 (4) = 160

<u>Then you add up the base and the sides:</u>

160 + 64 = 224

(I think this is the right answer)

7 0
3 years ago
If ƒ(x) = -5n + 1 and g(x) = -6n + 2, find (ƒ + g)(-2).
Stels [109]

(f+g) (n) = (–5n +1 ) + (- 6n +2) = –11n +3

(f+g) (n) = –11n +3

(f+g) (–2) = – 11 (–2) +3 = 22 +3 = 25

I hope I helped you^_^

3 0
3 years ago
There are two thousand girls and one thousand boys at a university.For every girl with glasses there are two boys who were glass
e-lub [12.9K]

Answer:

200

Step-by-step explanation:

2000 girls :1000 boys

2000 +1000 =3000

20% of 3000 = 600

I girl : 2 boys

1+2=3

600÷3 = 200

200 boys wore glasses

4 0
3 years ago
Evaluate each expression by replacing the variable with 8. Show each step. (8 marks) 2n - 6
monitta

Answer:

10

Step-by-step explanation:

2n-6

n=8

2(8)-6

16-6

10

4 0
3 years ago
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