Two trains leave stations

Mathematics

2 answers:

gavmur [86]3 years ago

7 0

Roughly one and a half hours in

Nat2105 [25]3 years ago

4 0

About 1 and a half hours

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Find the area of the circle of 7 inches

Arisa [49]

Answer:

38.480

Hope this helps!!!:)

Step-by-step explanation:

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3 years ago

What is the seventh term of (x + 4)8?

Arisa [49]

The (p+1)-th term of the Newton binomial expansion

$(a+b)^{n}$

is given by

$t_{p+1}=\dbinom{n}{p}\,a^{n-p}\,b^{p}$
__________________________

We want the 7th term. Hence, we set $p+1$ to be $7:$

$p+1=7~~\Rightarrow~~p=6$

Then, the 7th term is

$t_{7}=\dbinom{8}{6}\,x^{8-6}\,4^{6}\\\\\\ t_{7}=\dfrac{8!}{6!\cdot (8-6)!}\cdot x^{8-6}\cdot 4^{6}\\\\\\ t_{7}=\dfrac{8\cdot 7\cdot \diagup\!\!\!\! 6!}{\diagup\!\!\!\! 6!\cdot 2!}\cdot x^{2}\cdot 4^{6}\\\\\\ t_{7}=\dfrac{8\cdot 7}{2\cdot 1}\cdot x^{2}\cdot 4^{6}\\\\\\ t_{7}=28\cdot x^{2}\cdot 4,096\\\\ \boxed{\begin{array}{c} t_{7}=114,688\,x^{2} \end{array}}$

Correct answer: $\text{A. }114,688\,x^{2}.$

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4 years ago

HURRY PLS HELP<br> Write the standard form of an equation with p=5, theta= 210

drek231 [11]

Answer:

p34 coop

Step-by-step explanation:

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3 years ago

Read 2 more answers

Please Show Work

algol13

B is the correct answer

5 0

3 years ago

Big Nicks moving company unloaded 72 % of the 300 boxes they delivered in 30 minutes. How many boxes did they unload each minute

jeka57 [31]

72 % of 300 is 216

Divide 216 ( # of boxes unloaded ) by 30 (minutes they were unloading)
216 / 30 = 7.2

They unloaded 7.2 boxes each minute.

**DOUBLE CHECK:
Multiply 7.2 by 30
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Answer : 7.2 boxes/minute

4 0

3 years ago