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3 years ago

Find the circumstance: ?

Mathematics

1 answer:

serg [7]3 years ago

4 0

The circumference of this circle will be 31.42 cm

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Which equation represents a circle with a radius of 8 and center at (0, -8)?

Serggg [28]

The equation is in standard form
${x}^{2} + {(y + 8)}^{2} = 64$

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3 years ago

Y = 4x - 30 plz help me solve thanks

Step2247 [10]

Answer:

x=15/2 + 1/4y

Step-by-step explanation:

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3 years ago

Cuales son nas opciones de que un<br> Matrimonio tenga 3 hijos

Zarrin [17]

Answer:

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3 years ago

Two cyclists leave city at same time, one going east and the other going west. The westbound cyclist bikes 3 mph faster than the

Bumek [7]

Speed of the east bound cyclist is 12 mph and the speed of west bound cyclist is 15 mph.

<u>Solution:</u>

Let us assume that x is speed of slower eastbound cyclist

So, x+3 will be the speed of faster westbound cyclist

We know that distance is the product of speed and time. That is,

$\text{Distance}=\text{Speed}\times\text{Time}$

West-bound DATA:

Rate of speed = x+3 mph ; Time = 6 hrs ; distance = 6(x+3) = 6x+18 miles

East-bound DATA:

Rate of speed = x mph ; time = 6 hrs. ; distance = 6x miles

On solving,

Distance apart = 162

$\Rightarrow6x+18+6x = 162$

$\Rightarrow12x=162-18$

$\Rightarrow x=\frac{144}{12}\rightarrow x=12$

So, the rate of speed of the east bound cyclist is 12 mph and the rate of speed of the west bound cyclist will be $x+3=12+3=15 \text{ mph}$

8 0

3 years ago

Can someone help me with this question? #10

vfiekz [6]

My guess is the answer is b but you may want to get another answer from someone else

8 0

4 years ago

Read 2 more answers