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4 years ago

Drive from Boston to Washington for a total of 460 miles if he leaves at 7:30 am drive at 60 mph. When will he arrive

1 answer:

5 0

It will take 7.666666667 hours ( or so ) to travel from Boston to Washington, so if he leaves at 7:30 he will arrive at ( not including the decimal ) 2:30 pm.

Hope this helps, if not, comment below please!!!

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Evaluate u^2 -2u+4 when u= -3

OLga [1]

Answer:

Step-by-step explanation: Sub -3 into where all the u’s are. So it would be

(-3)^2 - 2(-3) + 4

Which would equal 19

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3 years ago

Find the 10th term in a sequence whose general term is an = n2 – 8. Question 7 options: A) 92 B) 108 C) 12 D) 113

Leto [7]

Answer:

10th term means n = 10

we have general term = n² -8

substituting the value of n we get

10² - 8 = 100-8 =92

Step-by-step explanation:

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3 years ago

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Evaluate the expression <br> 5.4+ab, if a = 4 and b = 8

dsp73

Answer:

37.4

Step-by-step explanation:

a = 4 and b = 8

change the equation

5.4 + (4) (8)

use P.E.M.D.A.S. and multiply

4*8 = 32

add

5.4 + 32 = 37.4

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3 years ago

Factors of 9.52? Please help. Google won’t tell

Elina [12.6K]

Answer:

9.52 x 1

4.26 x 2

4 x 2.38

Hope that helps

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3 years ago

Simply<br> tan 45°. sin 30° - cot 45°/sec 60°

dusya [7]

If we want to write the given four numbers in another form, we can write it like this;

$tan45=sin45/cos45=1$

$sin30=sin(\frac{\pi }{2}-60 )=cos60=\frac{1}{2}$

$cot45=cos45/sin45=1$

$sec60=1/cos60=\frac{1}{1/2} =2$

Now let's rewrite the given expression and get the result.

$(tan45.sin30)-(cot45/sec60)=(1.\frac{1}{2})-(\frac{1}{2} )=0$

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2 years ago

Read 2 more answers