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Novosadov [1.4K]
3 years ago
10

Help with math hw (geomtry)

Mathematics
1 answer:
valkas [14]3 years ago
7 0

Answer:

8

Angle 1= RQS and STU

Angle 2= RSQ and TSU

Similar due to Angle Angle

9

15:24

15x=7

24x= 7/15*14= 11.2

10.

10:2

15=10x

2x=3

11.

20:8

8x=10

x=5/4

15-4-5=5/4.

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The original line has the equation of y=-2x+8
enot [183]

The new equation of line that is perpendicular to the original that goes through the point (6, -1) in slope intercept form is y = \frac{1}{2}x - 4

<h3><u>Solution:</u></h3>

Given that original line has the equation of y = -2x + 8

We have to write a new equation that is perpendicular to the original that goes through the point (6, -1)

Let us first find slope of original line

<em><u>The slope intercept form of line is given as:</u></em>

y = mx + c ------ eqn 1

Where "m" is the slope of line and "c" is the y - intercept

On comparing the slope intercept form and given original equation, we get "m = -2"

Thus slope of original line "m" = -2

We know that product of slope of a line and slope of line perpendicular to it are always -1

slope of original line x slope of line perpendicular to it = -1

\begin{array}{l}{-2 \times \text { slope of line perpendicular to it }=-1} \\\\ {\text { slope of line perpendicular to it }=\frac{1}{2}}\end{array}

Let us find equation of line with slope m = 1/2 and passes through point (6, - 1)

Substitute m = \frac{1}{2} and (x, y) = (6, -1) in eqn 1

-1 = \frac{1}{2} \times 6 + c\\\\-1 = 3 + c\\\\c = -4

<em><u>Thus the required equation of line is:</u></em>

Substitute "c" = -4 and m = \frac{1}{2} in eqn 1

y = \frac{1}{2}x - 4

Thus the equation of line perpendicular to original line is found

7 0
3 years ago
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anzhelika [568]

Answer:

12

Step-by-step explanation:

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We can simplify the right side by dividing by 7/7 to get the right side equal to 6/5. Now we can cross-multiply to get

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3 years ago
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bezimeni [28]

Answer:

10. 85°

11. 70°

12. 50°

Step-by-step explanation:

Please see attached picture for full solution.

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Alekssandra [29.7K]

(2, 0°) is already in polar coordinates, with the smallest possible angle. The radius is 2, always 2. Expressions with variations of the angle are also good representations of (2, 0°) if their angles are all integer multiples of 360 degrees. For example: (2, 720°) represents the same point in polar coordinates as does (2, 0°).

6 0
4 years ago
What is the value of the sum -3/8 + 5/16 will give brainlyiest
katovenus [111]

Answer:

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2×[-3]+1×5 all over 16

i.e -6+5/16

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3 0
3 years ago
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