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3 years ago

What is 102.3 divided by 4.7 estimated answer

Mathematics

2 answers:

andriy [413]3 years ago

6 0

round 102.3 to 100

4.7 to 5

100/5=20

20 is the answer

andre [41]3 years ago

6 0

Round 102.3 and 4.7 then divide the two estimated numbers

Your correct answer will be 20

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HELP ASAP.

Rus_ich [418]

Answer:

its c

Step-by-step explanation:

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3 years ago

Evaluate dydx at x=2 for the function below.<br><br> y=6u^3+5u+2, where u=−3x^2−4x+9

bekas [8.4K]

Step-by-step explanation:

$y = 6u {}^{3} + 5u + 2$

$y = 6( - 3 {x}^{2} - 4x + 9) {}^{3} + 5( - 3 {x}^{2} - 4x + 9) + 2$

Use the chain rule.

$\frac{dy}{dx} = 6(3)( - 3 {x}^{2} - 4x + 9) {}^{2} ( - 6x - 4) + 5( - 6x - 4)$

$18( - 3 {x}^{2} - 4x + 9) {}^{2} ( - 6x - 4) + 5( - 6x - 4)$

Factor out -6x-4,

$( - 6x - 4)(18( - 3 {x}^{2} - 4x + 9) {}^{2} + 5)$

Know plug in x=-2 to evaluate the derivative

$( - 6(2) - 4)(18( - 3(2) {}^{2} - 4(2) + 9) {}^{2} + 5)$

$( - 16)(18(( - 12) - 8 + 9)) {}^{2} + 5)$

$- 16(18( - 11) {}^{2} + 5)$

$- 16(2183)$

$- 34928$

6 0

1 year ago

Which slope and y-intercept correspond with the graph?

11Alexandr11 [23.1K]

Your answer is D. You have to find where the lines are in the middle so your answer is D.

6 0

3 years ago

Read 2 more answers

Jasmine was expected to get $150 for her bonus, but she only got $100. What was the percent error?

Slav-nsk [51]

Answer:

Jasmine expected to get $150 for her bonus, but she only got $100. What was the percent error?

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Amt of error:: $50

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% error:: 50/150 = 1/3 = 33 1/3%

7 0

3 years ago

Plzz help me im am stuck

Pachacha [2.7K]

I hope this helps you!

7 0

3 years ago