3 years ago

Anybody please help me

Mathematics

1 answer:

mihalych1998 [28]3 years ago

3 0

X = 180 - 60 - 60

= 180 - 120

= 60 degrees Answer

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ad-work [718]

Answer:

we need the whole question

Step-by-step explanation:

post the whole question

8 0

3 years ago

NO LINKS!!!!!! NO RANDOM LETTERS FOR POINTS!!!!!!!!!

melomori [17]

Answer: c (17)

Step-by-step explanation:

you move 7 times first than another 7 and then 3. 7 + 7 + 3 = 17

4 0

3 years ago

Read 2 more answers

A ball rolls down an inclined plane such that the distance (in centimeters) that it rolls in t seconds is given by s(t) = 2t^3 +

IRISSAK [1]

The ball's velocity will be represented by the derivative of its distance function:

$s'(t)=6t^2+6t$

Now find the times $t$ for which this is equal to 30, i.e. solve

$6t^2+6t=30\implies t^2+t-5=0$

This has two solutions, $t=-\dfrac{1\pm\sqrt{21}}2$ , but only one is positive and falls in the interval $[0,3]$ . So the velocity reaches 30 cm/s when $t=-\dfrac{1-\sqrt{21}}2\approx1.79$ .