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3 years ago

13

Two companies working together can clear a parcel of land in 7 hours. working alone, it would take company a 4 hours longer to c

lear the land than company
b. how ong would it take company b to clear the parcel of land alone

1 answer:

I am Lyosha [343]3 years ago

3 0

The answer is B b/c i did the math

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Polynomial Warm Up

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Answer:

Step-by-step explanation:

False you must multiply the coefficient (numbers) and add the exponents.

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Activity: A flagpole has cracked 1.7 m from the ground and fallen over, as if hinged. The top of the flagpole hit the ground 3 m

Anastasy [175]

Answer:

Height of flagpole before it fell = 5.15 m

Step-by-step explanation:

Given:

Height of remain pole (p) = 1.7 m

Distance from base (b) = 3 m

Find:

Height of flagpole before it fell

Computation:

Using Pythagorean theorem

H = √ p² + b

Length of broken part = √ 1.7² + 3²

Length of broken part = √ 2.89 + 9

Length of broken part = √ 11.89

Length of broken part = 3.45 (Approx)

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Height of flagpole before it fell = 3.45 + 1.7

Height of flagpole before it fell = 5.15 m

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3 years ago

An arithmetic sequence with a thrid term of 8 and constant difference of 5

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$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
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d=5\\
a_3=8\\
n=3
\end{cases}
\\\\\\
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3 years ago

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Answer:

B

Step-by-step explanation:

The line is solid, so eliminate A and D.

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1 year ago

Find the area under the curve y = 13/x3 from x = 1 to x = t. Evaluate the area under the curve for t = 10, t = 100, and t = 1000

zvonat [6]

Answer:

t = 10

$A = 32496.75$

t = 100

$A = 324999996.8$

t = 1000

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Step-by-step explanation:

The area under the curve is calculated by using the following definite integral:

$A = \int\limits^t_ {1} \,{13\cdot x^{3}} dx$

$A = 13 \int\limits^t_1 {x^{3}} \, dx$

$A = \frac{13}{4}\cdot (t^{4}-1)$

Evaluated areas are presented below:

t = 10

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t = 100

$A = 324999996.8$

t = 1000

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