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3 years ago

Mily wrote the equation −3x=−2x−6

Mathematics

2 answers:

Daniel [21]3 years ago

8 0

Answer: x=6

Step-by-step explanation:

You have to get X on one side so you have to either add 2X to both sides or 3X to both sides depending on which one you would rather do and then you get 1X equals -6 and to get X by itself you have to divide by -1 which leaves you with -6 divided by -1 which equals 6

Dima020 [189]3 years ago

4 0

Answer:

x=6

Step-by-step explanation:

-3x=-2x-6

-3x+2x=-6

-x=-6

x=6

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Maurinko [17]

the question in English

The route of a stage of a cycle tour is 213 km long and a cyclist covers 2/3 of the route in five hours.

a) How many kilometers are left to finish the stage?

b) If he continues with the same average speed, how much time does he have left to finish the stage?

Step 1

we know that

1) Total kilometers of a stage is $213\ km$

2) The cyclist covers $\frac{2}{3}$ of the route

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the answer Part a) is

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Step 2

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we know that

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$speed=\frac{distance}{time}$

we have

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substitute

$speed=\frac{142}{5}=28.4\frac{km}{h}$

Step 3

Find the time remaining to finish the stage

we know that

$speed=\frac{distance}{time}$

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substitute

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therefore

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3 years ago

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Use the sine rule.
SQ/sin 65 = (SQ - 1)/Sin50
(sin50)/(sin 65) = (SQ-1)/SQ
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0.1547SQ = 1
SQ = 6.46
The formula to apply here is:
Area=1/2(SQ)(SQ)sin50
= 0.5 × 6.46 × 6.46 × sin50
= 15.984

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