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lisov135 [29]
3 years ago
12

What is an equation of the line that passes through the point (8,-7)(8,−7) and is parallel to the line 5x+4y=165x+4y=16?

Mathematics
1 answer:
Gnoma [55]3 years ago
6 0

Answer:

The equation of line parallel to given line passing through (8,-7) is:

y = -\frac{5}{4}x+3

Step-by-step explanation:

Given line is:

5x+4y=16

first of all, we have to convert the equation of given line in slope-intercept form

4y = -5x+16

Dividing both sides by 4

\frac{4y}{4} = -\frac{5x}{4} + \frac{16}{4}\\y = -\frac{5}{4}x+4

Slope intercept form is:

y=mx+b

The slope of given line is:

m = -\frac{5}{4}

Let m1 be the slope of line parallel to given line

"The slopes of two parallel lines are equal"

m = m_1\\m_1 = -\frac{5}{4}

The equation of line parallel to given line will be:

y = m_1x+b

Putting the value of slope

y = -\frac{5}{4}x+b

Putting the point (8,-7) in the equation

-7 = -\frac{5}{4}(8)+b\\-7 = -(5)(2) + b\\-7 = -10+b\\b = -7 +10\\b = 3

Putting the value of b

y = -\frac{5}{4}x+3

Hence,

The equation of line parallel to given line passing through (8,-7) is:

y = -\frac{5}{4}x+3

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The measurement of the complement of an angle exceeds the measure of the angle by 25%. Find the measurement of the angle and its
tester [92]
Let the angles be A and C 

<span>Complimentary angles, therefor </span>
<span>A + C = 90 </span>

<span>The measurement of the complement of an angle exceeds the measure of the angle by 25% (you used a % sign so I'll use % instead of degrees) </span>
<span>C = 1.25A </span>

<span>Substitute </span>
<span>A + 1.25A = 90 </span>
<span>2.25A = 90 </span>
<span>A = 40º <----- </span>
<span>C = 50º <----- </span>
<span>------------------------------ </span>

<span>If you meant 25º </span>
<span>A + (A + 25) = 90 </span>
<span>2A + 25 = 90 </span>
<span>2A = 65 </span>
<span>A = 32.5º </span>
<span>C = 57.5º</span>
3 0
3 years ago
the area of a square room can be expressed as 196x12y10z6 square feet . hajime is installing a wallpaper border along the perime
pantera1 [17]
Area for square = s² = 196x¹²y¹⁰z⁶

s = √(<span>196x¹²y¹⁰z⁶)

s = 14x</span>⁶y⁵z³

Perimeter = 4*s = 4*(14x⁶y⁵z³) = 56x<span>⁶y⁵z³

Perimeter = 56</span>x<span>⁶y⁵z³        D</span>
7 0
3 years ago
HELP!!! i already found x, can someone please help me find y asap?
tamaranim1 [39]

Answer:

Y = 166

Step-by-step explanation:

The missing angle measure in the small trapezoid is 93 degrees. So to solve for “y” you have to make the expression equal to 93.

y - 73 = 93

y = 166

Hope this helps! Pls give brainliest!

8 0
2 years ago
Need help with this question
OverLord2011 [107]

Given: a quadratic function with vertex (2,3) opening upward .

Find: the given statement is true or false.

Explanation: if parabola has a vertex at (2,3) and opens upward, it has one real solution., (2,3) will be a lowest point. The vertex will be at lowest point, it will be minimum.

that means graph has no one real solution. hence it will never going to intersect. so this statement is false.

Final answer: the given statement is FALSE.

7 0
1 year ago
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Vadim26 [7]

Answer:

ok

Step-by-step explanation:

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