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Charra [1.4K]
3 years ago
11

eric and his crew have 50 trees to plant in 8 hours today they planted 40 trees. if they work at the same rate tomorrow how long

will it take to finish planting the trees
Mathematics
2 answers:
Inessa05 [86]3 years ago
6 0
1.6 hours for the rest of the 10 trees
choli [55]3 years ago
3 0
It would take 2 hours to finish planting the trees.

They planted 5 trees per hour in 8 hours to total the 40 trees on the first day. Day 2 would take 2 hours to plant the 10 remaining trees b cause they can plant 5 per hour.
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Use Newton’s Method to find the solution to x^3+1=2x+3 use x_1=2 and find x_4 accurate to six decimal places. Hint use x^3-2x-2=
luda_lava [24]

Let f(x) = x^3 - 2x - 2. Then differentiating, we get

f'(x) = 3x^2 - 2

We approximate f(x) at x_1=2 with the tangent line,

f(x) \approx f(x_1) + f'(x_1) (x - x_1) = 10x - 18

The x-intercept for this approximation will be our next approximation for the root,

10x - 18 = 0 \implies x_2 = \dfrac95

Repeat this process. Approximate f(x) at x_2 = \frac95.

f(x) \approx f(x_2) + f'(x_2) (x-x_2) = \dfrac{193}{25}x - \dfrac{1708}{125}

Then

\dfrac{193}{25}x - \dfrac{1708}{125} = 0 \implies x_3 = \dfrac{1708}{965}

Once more. Approximate f(x) at x_3.

f(x) \approx f(x_3) + f'(x_3) (x - x_3) = \dfrac{6,889,342}{931,225}x - \dfrac{11,762,638,074}{898,632,125}

Then

\dfrac{6,889,342}{931,225}x - \dfrac{11,762,638,074}{898,632,125} = 0 \\\\ \implies x_4 = \dfrac{5,881,319,037}{3,324,107,515} \approx 1.769292663 \approx \boxed{1.769293}

Compare this to the actual root of f(x), which is approximately <u>1.76929</u>2354, matching up to the first 5 digits after the decimal place.

4 0
2 years ago
which statements are correct check all that apply A number line going from negative 1 to positive 1 in increments of 1. There ar
Natali5045456 [20]

Answer:

B,D,F

Step-by-step explanation:

ive answered harder haha

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5 1
3 years ago
The stem-and-leaf plot above shows house sale prices over the last week in Tacoma. What was the most
VikaD [51]

Answer:

the answer is 2

Step-by-step explanation:

3 0
2 years ago
Solve for x.<br><br> x3=−1000<br><br> Enter your answer in the box.<br> x =
levacccp [35]
X³ = -1000

x = ∛-1000

x = -10

In short, Your Answer would be: -10

Hope this helps!
7 0
3 years ago
Read 2 more answers
Omgggggggg PLZ HELP MEH I REALLY NEED HELP :'( IM FAILING MATH AND THIS WILL REALLY HELP ALL BELOW IM BEGGING YOU
faltersainse [42]

Answer:

1. -2w-1 cuz when in parethese it all become negative.   2. factors of 32 is 1,2,4,8,16,32.  and factors of 24 is 1,2,3,4,6,8,12,24. and the way you should write 32k+24 is 4(8k+6)

Step-by-step explanation:

7 0
3 years ago
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