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larisa86 [58]
4 years ago
7

What are two lines that intersect to form right angles called?

Mathematics
2 answers:
Anna35 [415]4 years ago
6 0
C, perpendicular. it’s shaped kinda like a cross
Svet_ta [14]4 years ago
3 0
C because it’s c trust me
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What is 10.66 • 19.64
Vanyuwa [196]

Answer: (10.66)(19.64) = 209.3624

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4 years ago
FAST
sertanlavr [38]

Answer: The system consists of parallel lines

Step-by-step explanation:

Given system of lines :

y=\dfrac13x-4

3y-x=-7

Substitute y=\dfrac13x-4 in 3y-x=-7,  we get

3(\dfrac13x-4)-x=-7\\\\\Rightarrow\ x-12-x=-7\\\\\Rightarrow\ -12=-7 , which is not true.

That means , system has no solution.

i.e. they are representing parallel lines. [Parallel lines do not intersect and hence they do not have solution.]

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3 years ago
Safe wheelchair ramp specifications require about 4.75° maximum angle to be constructed with the ground. At a particular buildin
NeTakaya

Answer:

The ramp must cover a horizontal distance of approximately 19.081 feet.

Step-by-step explanation:

Given the vertical distance (y), measured in feet, and the angle of the wheelchair ramp (\theta), measured in sexagesimal degrees. The horizontal distance needed for the ramp (x), measured in feet, is estimated by the following trigonometrical expression:

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If we know that y = 1\,ft and \theta = 3^{\circ}, then the horizontal distance covered by this ramp is:

x = \frac{1\,ft}{\tan 3^{\circ}}

x \approx 19.081\,ft

The ramp must cover a horizontal distance of approximately 19.081 feet.

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Martin flips the coin 64 times. How many times can Martin expect the coin to land on heads?
Anuta_ua [19.1K]
About 32 times, not exactly.
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Write -0.39 repeating as a fraction in simplest form.
SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Do you mean -0.3999..., or -0.393939... ?

-0.3999... = -⅖

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6 0
3 years ago
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