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3 years ago

Is the following a rational or irrational number: 0.7077077707777…

Mathematics

1 answer:

HACTEHA [7]3 years ago

8 0

Answer:it following number is irrational

Step-by-step explanation:

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Which symbol is used to name a line with two points A and B

Mars2501 [29]

Answer:

Step-by-step explanation:

I think that's the answer

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3 years ago

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What's the equation of a line that passes through points (–1, –5) and (1, 3)?

erastova [34]

Answer:

y=4x-1

Step-by-step explanation:

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2 years ago

An airplane left Miami, FL. At the same time another plane left Santiago, Chile. The two planes flew toward each other at rates

Zinaida [17]

Answer:

3.5

Step-by-step explanation:

First we use the concept of relative speed.

The rates of the 2 planes are 625 mph & 575 mph.

Relative speed will be:

(speed of plane A)+(speed of plane B)

=625+575

=1,200 mph

Distance=4200 miles

Thus the time taken for them to meet will be:

Time=distance/speed

=4200/1200

=3.5 hours

We therefore conclude that the planes met after 3.5 hours.

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4 years ago

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What is the length of AB?

Xelga [282]

Answer:

Step-by-step explanation:

From the attachment,

In ΔDEF,

DF = GH-(GD+FH) = 6 - (2+3) = 1 cm

DE = 2+3 = 5 cm (sum of two radius)

Applying Pythagoras theorem,

$EF=\sqrt{DE^2-DF^2}=\sqrt{5^2-1^2}=\sqrt{24}=2\sqrt6$

In ΔCDI,

DI = GH-(GD+IH) = 6 - (2+1.5) = 2.5 cm

CD = 2+1.5 = 3.5 cm (sum of two radius)

Applying Pythagoras theorem,

$CI=\sqrt{CD^2-DI^2}=\sqrt{3.5^2-2.5^2}=\sqrt6$

AB = EF + CI = $2\sqrt6+\sqrt6=3\sqrt6=7.35\ cm$

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3 years ago

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You can have a negative number over a negative number for slope. *<br> True<br> False

snow_lady [41]

Answer:

True

Step-by-step explanation:

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2 years ago