MATHEMATICS HIGH SCHOOL

3x - 17 = 46 . solve for x

Answers

Answer 1

Answer:

Answer:

$x = 21$

Step-by-step explanation:

We can simplify this equation down until we have x isolated.

$3x - 17 = 46$

If we add 17 to both sides:

$3x = 63$

Now we can divide both sides by 3:

$x = 21$

So $x = 21$ .

Hope this helped!

Answer 2

Answer: Answer:
x= 21

Explaination:
3x - 17 = 46
3x = 46 + 17
3x = 63
3x/3 = 63/3
x = 21

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Sum of two digit number is9.When we interchange the digits it is found that the resulting new number becomes twice the other number. What are the numbers

Answers

Answer:

4 and 5

Step-by-step explanation:

Let the numbers be x and y

If their sum is 9, hence;

x + y = 9 ....1

When reversed

10y+x = 2(10x+y)

10y+x = 20x + 2y

10y - 2y = 20x - x

8y = 19x

y = 10x/8 ...2

Substitute equation 2 into 1;

From 1;

x+y = 9

x +(10x/8) = 9

18x/8 = 9

18x = 72

x = 72/18

x = 4

Since x+y =9

y = 9-x

y =9-4

y = 5

Hence the numbers are 4 and 5

Which is greater 2/3 or 2/6

Answers

2/3 because 2/6 would equal 1/3

Find the common denominator

2/3--->4/6

2/6--->2/6

4/6 is greater than 2/6.

2/3 is greater than 2/6.

The fat content for seven different sandwiches at a restaurant is 42, 61, 13, 9, 12, 42, and 62. Find the mean, median and mode of the fat contents.

Answers

The mode of the given data set is 42, becuase mode is define as the number with the must number of responses or result.
The mean of the given data set is 26.89, because it is define as the average of the data set
The median of the data set is 42, it is define as the middle figure when the data set is already arrange ascending or descending.

Answer: answer is in explanation

Step-by-step explanation:

mean: 34.43

Median: 42

Mode:42

What is true of the function g(x) = –2x2 + 5?

Answers

Answer:

Step-by-step explanation:

The variable x represents the independent variable.

The function has the following properties:
The graph is a parabola curving downwards.
The vertex is at (0,5).
The axis of symmetry is the y-axis.
The domain is all read number.
The range is all numbers less than or equal to 5.

What is the standard form of y=(x–4)(x+1)?