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Anton [14]
3 years ago
13

What is the value of x to the nearest tenth?

Mathematics
1 answer:
Citrus2011 [14]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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write an equation that is perpendicular to x - 3y =3 and passes through the point (5,-9) in slope-intercept form.
Aleksandr [31]

9514 1404 393

Answer:

  y = -3x +6

Step-by-step explanation:

The perpendicular line will have the coefficients of x and y swapped (and one of them negated), and will have a constant appropriate to the point the line needs to go through.

The equation will look like ...

  x -3y = 3 . . . . . . . . . . . . . given line

  3x +y = constant . . . . . . perpendicular line

where "constant" can be found by substituting for x and y.

  3x +y = 3(5) +(-9)

  3x +y = 6 . . . . equation in standard form

To put this in slope-intercept form subtract 3x:

  y = -3x +6

6 0
3 years ago
The first three steps in determining the solution set of the system of equations, y = –x2 – 2x + 8 and y = 2x + 11, algebraicall
shutvik [7]
First step
Using substitution you can fill 2x + 11 in for the y part of the first equation
This will look like: 2x + 11 = -x^2 -2x + 8

Second step
Now we need to solve for the variable by combining like terms you can start by adding x^2 + 2x -8 to both sides
You get 0 = x^2 +4x +3

Third step
Factor
(X+3)(x+1)=0

If you need the y values you can fill in x= -3 to the second equation y= 2(-3) + 11 and y=5
First point is (-3,5)

The other point is found by filling x=-1 into the second equation: y= 2(-1) +11 and y = 9
Second point is (-1,9)
5 0
3 years ago
Consider the following expression 4x+5y+9+3y
worty [1.4K]

True statements: 1, 2, 3

3 0
3 years ago
Read 2 more answers
A percent bar graph compares each category to the _____________ as a percent.
iogann1982 [59]

Answer:

Total

Step-by-step explanation:

A percent bar graph compares the amount in each category to the total amount (sum of all categories) as a percentage.

5 0
3 years ago
Which answer describes the sequence {1,3,7,15,…} as a mathematical statement?
Ksivusya [100]

Answer:

so just successive powers of 2

Step-by-step explanation:

1, 3, 7, 15, 31, 63, _? Add successive powers of 2 to the number: 1+2=3; 3+4=7; 7+8=15; 15+16=31; 31+32=63; 63+64=127.

7 0
2 years ago
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