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Anna35 [415]
3 years ago
5

The equations y = -4x - 1 and y =- 4x + 2 represent what types of lines?

Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0

The equations y = -4x-1 and y = -4x+2

represent oblique parralel lines, beacuse they have the same slope (-4).

Charra [1.4K]3 years ago
4 0

recall the previous posting, parallel lines have the same slopes, notice the slopes of these two

\bf \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}\qquad \qquad \begin{array}{llll} y=\stackrel{\stackrel{m}{\downarrow }}{-4}x-1\\\\ y=\stackrel{\stackrel{m}{\downarrow }}{-4}x+2\\\\ \textit{\large parallel lines} \end{array}

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Step-by-step explanation:

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3 0
2 years ago
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lara [203]

Answer:

Cos 74°= Sin 16°

Sin 20°= Cos 70°

Sin A°=Cos (90°- A°)

Step-by-step explanation:

This is because the three pairs are complementary i.e they add up to 90° and in trigonometric ratios, complementary ratios are equal.

3 0
3 years ago
Write the equation of the line that is perpendicular to y=2x-7 and passes through the point (6, 5)
Pani-rosa [81]

Answer:

B

Step-by-step explanation:

we are given a equation of a line

we want to figure out the equation of the perpendicular line passes through the <u>(</u><u>6</u><u>,</u><u>5</u><u>)</u><u> </u>points

in order to do so

recall that,

\displaystyle m_{ \text{perpendicular}} =   - \frac{1}{m}

we got from our given equation that m=2

because equation of a line is y=mx+b

thus

\displaystyle m_{ \text{perpendicular}} =   - \frac{1}{2}

remember that, when we want to figure out perpendicular line or parallel line we should the formula given by

\displaystyle y -  y_{1} = m(x -  x_{1})

since we got our perpendicular m is -½, x_1=6 and y_1=5, substitute

\displaystyle y -  5 =   - \frac{1}{2} (x -  6)

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\displaystyle y -  5 =   - \frac{1}{2} x  + 3

add 5 to both sides:

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3 0
3 years ago
Read 2 more answers
Help please? Will mark correct and first answer as brainliest!! : )
Gelneren [198K]

Answer:

It Is O. 8

Step-by-step explanation:

Because you are suppose to round the number to the one in front of the other number

3 0
3 years ago
Read 2 more answers
B. x + 5y = 8<br>-x + 2y = -1​
igomit [66]

Answer:

(3, 1)

Step-by-step explanation:

x+5y=8

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-------------

7y=7

y=7/7=1

x+5(1)=8

x+5=8

x=8-5=3

Answer: x=3, y=1.

8 0
3 years ago
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