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4 years ago

If BE=6.25 calculate EC

Mathematics

1 answer:

Oksana_A [137]4 years ago

5 0

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I think of a number add 3 to it and multiply the results by 6

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3 years ago

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Explain how you would simplify the<br> following:

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4 years ago

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An object falls 18ft in 2 seconds. Knowing the distance varies directly with the square of the time of the fall how long does it

AVprozaik [17]

Answer:

t=4.19 seconds

Step-by-step explanation:

Distance varies directly with the square of the time of the fall

It means,

D=kt^2

18ft in 2 seconds

D=kt^2

18=k*2^2

18=4k

k=18/4

=9/2

k=9/2

D=kt^2

D=79feet

79=9/2t^2

t^2=79÷9/2

t^2=79×2/9

=158/9

t=√158/√9

t=12.57/3

t=4.19 seconds

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3 years ago

Do rational expressions contain exponential functions

Jet001 [13]

Not always but your answer is sometimes

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4 years ago

What is the measure of ZA?<br> What is the measure of ZB?

slamgirl [31]

Answer:

$m\angle A = 72\degree \\m\angle B = 108\degree$

Step-by-step explanation:

ABCD is a parallelogram.

Since, opposite angles of a parallelogram are congruent.

$\therefore m\angle A = m\angle C\\\therefore (5y-3)\degree = (3y+27)\degree \\\therefore 5y - 3= 3y +27\\\therefore 5y-3y = 27+3\\\therefore 2y = 30\\\\\therefore y = \frac{30}{2} \\\\\therefore y = 15\\\because m\angle A = (5y-3)\degree \\\therefore m\angle A = (5\times 15-3)\degree \\\therefore m\angle A = (75-3)\degree \\\huge{\red {\boxed {\therefore m\angle A = 72\degree}}} \\\\\because m\angle A + m\angle B = 180\degree(opposite \: \angle 's\: of\:a\: \parallel ^{gm}) \\\therefore m\angle B = 180\degree - 72\degree \\\huge{\purple {\boxed {\therefore m\angle B = 108\degree}}}$

8 0

3 years ago