3 years ago

How are perpendicular lines and interesting like alike? How are they different

Mathematics

1 answer:

dexar [7]3 years ago

7 0

One crosses and one does not

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What is the value of the expression

Westkost [7]

Answer:

$2.0 \times {10}^{4}$

Step-by-step explanation:

$\frac{2.8 \times {10}^{7} }{1.4 \times {10}^{3} } \\ 2 \times {10}^{7 - 3} \\ 2 \times {10}^{4}$

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2 years ago

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F(x) = x3 + 3x² - 4x

Tcecarenko [31]

Answer:

x = 0, 1, -4

Step-by-step explanation:

You can look at the graph where the equation intersects the x-axis.

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3 years ago

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Two brothers, richard and andrew, share a sum £30 in the ratio 3:7. how much does each brother get?

Elina [12.6K]

Answer:

£9,£21

Step-by-step explanation:

richard:andrew=3:7

3+7=10

£30÷10=£3

richard=3×£3=£9

andrew=7×£3=£21

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3 years ago

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Here’s the next problem:)

horsena [70]

Answer:

disagree

Step-by-step explanation:

toa=opposit over adjacent= 12/9

tan(x)=12/9

tan^-1=12/9

x= 53.1

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3 years ago

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What are the x and y-intercepts of the line described by the equation?<br> -6x + 3y = 18.9

-BARSIC- [3]

Answer:

x-intercept - x = 1/2y - 3.15

y-intercept - y = 2x + 6.3

Step-by-step explanation:

For x,

-6x + 3y = 18.9

-6x = -3y + 18.9

x = -3y/-6 + 18.9/-6

x = 1/2y - 3.15

For y,

-6x + 3y = 18.9

3y = 6x + 18.9

y = 6x/3 + 18.9/3

y = 2x + 6.3

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3 years ago