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Triss [41]
2 years ago
5

All of the following expressions are equivalent except _____.

Mathematics
1 answer:
omeli [17]2 years ago
8 0

Answer:

x - 7

Step-by-step explanation:

7 - 1= 6

1 - 7= -6

-1 + 7= 6

7 + (-1) =6

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Marking brainliest:)))))) !!!!!!
Arte-miy333 [17]

Answer:

x>2

Step-by-step explanation:

just divide 8 by both sides and you get x>2

4 0
3 years ago
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Could someone help me out with this plss
Brrunno [24]

Answer:

nodda

Step-by-step explanation:

3 0
2 years ago
Steve's scores on 6 of his tests were 92, 78, 86, 92, 95, and 91. If he took a seventh test and raised the mean of his scores by
monitta

Answer:

96

Step-by-step explanation:

First we need to know the mean of the Steve's scores on 6 of his tests. Given the six scores as 92, 78, 86, 92, 95, and 91.

Mean = sum of the scores/Total test taken

Mean = 92+78+86+92+95+ 91/6

Mean = 534/6

Mean = 89

If he took the seventh test and the mean score is raised by 1 them the new mean will be expressed as;

New mean = 92+78+86+92+95+ 91+x/7 = 89+1

Where x is the new score. Note that of a new score is added, the total year taken will also change to 7

To get x;

92+78+86+92+95+ 91+x/7 = 89+1

92+78+86+92+95+ 91+x/7 = 90

534+x/7 = 90

Cross multiply

533+x = 90×7

533+x = 630

x = 630-534

x = 96

Hence the score of the seventh test is 96

8 0
2 years ago
What is another word for translation?<br> A.flip<br> B.turn<br> C.slide<br> D.fall
stiv31 [10]
It's not a as flip is rotational, turn can also be rotational. I would go with slide as translation is a sideways motion
7 0
3 years ago
Read 2 more answers
The sum of a number and 6% of itself is 42.4. find the number
kvasek [131]

Answer:

40

Step-by-step explanation:

6% of number = 6/100 × x = 6x/100 = 3x/50

Sum of the number and 6% of itself = 42.4

x + (3x/50) = 42.4

(50x+3x)/50 = 42.4

53x = 42.4 × 50

53x = 2120

x = 2120/53

x = 40


8 0
2 years ago
Read 2 more answers
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