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Damm [24]
3 years ago
9

Math help please will mark brainliest

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0

Answer:

answer: positive 3

Step-by-step explanation:

when x=-2 y=3

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Solve the equation below
Agata [3.3K]
Set up the equation:

4(8.75x-2)=97
35x-8 =97
35x =97+8
35x =105
x. =3

The value of x is 3.
7 0
2 years ago
In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer . Roy answered all t
katovenus [111]

Answer:

20 questions

Step-by-step explanation:

Given

Correct \Marks= +5

Incorrect\ Marks= -2

Score\ Obtained = 30

Number\ of\ correct\ answers = 10

Required

Number of questions answered

First, we need to get the total correct marks obtained by Roy

This is calculated by multiplying the correct marks by number of correct answers

Total = +5 * 10

Total = +50\ marks

Subtract this from the total scores obtained; This gives the total incorrect answer obtained by Roy

Incorrect = Scores\ Obtained - Total

Incorrect = 30 - (+50)

Open bracket

Incorrect = 30 - 50

Incorrect = -20

Divide this by -2 to get the number of incorrect answers

Incorrect\ Answers = \frac{-20}{-2}

Incorrect\ Answers = 10

Add this to the number of correct answers to give the total number of question answered

Total = Correct\ Answers + Incorrect\ Answers

Total = 10 + 10

Total = 20

<em>Hence, Roy answered a total of 20 questions</em>

3 0
3 years ago
Find an expression which represents the difference when (9x−6) is subtracted from (6x+7) in simplest terms.
evablogger [386]

Answer:

3x + 1

Step-by-step explanation:

9x -6 -6x +7

9x-6x -6 +7

3x +1

8 0
3 years ago
Answer correct please
natita [175]

Answer:

correct

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which expression is the factored form of -4.5n+3?
TEA [102]

The right ans is D.I am 100%sure.

if my ans was gelpful u can follow me.

5 0
3 years ago
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