3 years ago

An airplane leaves from Miami and travels around the Bermuda Triangle what is the value of x

Mathematics

1 answer:

Phoenix [80]3 years ago

6 0

The value of X is 7 because of the mean value theorem and the second derivative test.

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Lucia estimates the attendance at the middle school concert to be 267. The actual attendance is 304.

USPshnik [31]

Answer:

12%

Step-by-step explanation:

Divide 267 by 304

Lucia got 88% correct

Lucia got 12% Incorrect

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3 years ago

Evaluate the expression when x=4 and y+-6.<br><br> x-5y

rosijanka [135]

Answer:-26

Step-by-step explanation:

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3 years ago

Which expression is equivalent to -3(4x-2)-2x

slega [8]

Answer:

Step-by-step explanation:

-3(4x+2)-2x

-12x+6-2x

-14x+6

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3 years ago

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Invent measurements that would show triangle XYZ is similar to triangle NLM using the Side-Angle-Side Triangle Similarity Theore

IRINA_888 [86]

Answer:

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3 years ago

The area of a circular oil slick on the surface of the sea is increasing at a rate of [150m^2/s] how fast is the radius changing

Akimi4 [234]

Answer with Step-by-step explanation:

We are given that

$\frac{dA}{dt}=150m^2/s$

a.Radius =25 m

We have to find rate of change of radius.

We know that

Area of circle, $A=\pi r^2$

Differentiate w.r.t time

$\frac{dA}{dt}=2\pi r\frac{dr}{dt}$

Substitute the values then we get

$150=2\pi (25)\frac{dr}{dt}$

$\frac{dr}{dt}=\frac{150}{50\pi}=\frac{3}{\pi} m/s$

$\frac{dr}{dt}=\frac{3}{\pi} m/s$

b.A= $1000m^2$

Substitute the values then we get

$1000=\pi r^2$

$\pi=3.14$

$r^2=\frac{1000}{3.14}$

$r=\sqrt{\frac{1000}{3.14}}=17.8m$

$\frac{dA}{dr}=2\pi r\frac{dr}{dt}$

Substitute the values then we get

$150=2\pi(17.8)\frac{dr}{dt}$

$\frac{dr}{dt}=\frac{150}{2\pi(17.8)}=\frac{150}{35.6\pi}$ m/s

$\frac{dr}{dt}=\frac{75}{17.8\pi}$ m/s

4 0

3 years ago