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dybincka [34]
3 years ago
12

I dont understand...please help

Mathematics
1 answer:
Deffense [45]3 years ago
6 0
PQ because it is the two points that intersect in the two lines.
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Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form.
IRINA_888 [86]

Answer:

3x-4y=-40

Step-by-step explanation:

The standard form of a linear equation is  ax+by=c.

The given line has equation:

y-4=\frac{3}{4}(x+8)

This is the point-slope form of the given line.

To find the standard form, we clear the fraction

4y-16=3(x+8)

We expand the parenthesis now to get:

4y-16=3x+24

We group the variables on the LHS and the constants on the RHS.

4y-3x=24+16

-3x+4y=40

Multiply through by -1

3x-4y=-40

This is of the form: ax+by=c.

3 0
3 years ago
HELP WITH THESE SERIES OF QUESTIONS!!
Virty [35]
1. Simplified already
2. 5x^2 x (3x+5)
3. 3x^3 x (3x^4 +11)
5 0
3 years ago
How many 9 digit combinations with 10 numbers?
PolarNik [594]
<span>There are 1 billion 9 digit numbers (000,000,000 through 999,999,999). There are 45 different combinations of two different numerals (10 x 9 divided by 2). There are 512 (2 to the 9th power) different permutations for any two numbers to be used in a 9 digit number</span>
3 0
3 years ago
Will markk the brainliest
ivolga24 [154]

Answer:

  1. the range of f^-1(x) is {10, 20, 30}.

  2. the graph of f^-1(x) will include the point (0, 3)

  3. n = 8

Step-by-step explanation:

1. The domain of a function is the range of its inverse, and vice versa. The range of f^-1(x) is {10, 20, 30}.

__

2. See above. The domain and range are swapped between a function and its inverse. That means function point (3, 0) will correspond to inverse function point (0, 3).

__

3. The n-th term of an arithmetic sequence is given by ...

  an = a1 +d(n -1)

You are given a1 = 2, a12 = 211, so ...

  211 = 2 + d(12 -1)

  209/11 = d = 19 . . . . . solve the above equation for the common difference

Now, we can use the same equation to find n for an = 135.

  135 = 2 + 19(n -1)

  133/19 = n -1 . . . . . . . subtract 2, divide by 19

  7 +1 = n = 8 . . . . . . . . add 1

135 is the 8th term of the sequence.

3 0
3 years ago
Write an equation in point-slope form for a line passes through the point (8,-7) and has a slope of 5/4.
fomenos

Answer:

y+7=5/4(x-8)

Step-by-step explanation:

y-y1=m(x-x1)

y-(-7)=5/4(x-8)

y+7=5/4(x-8)

8 0
3 years ago
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