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3 years ago

In the space below, express $8 for 2 pounds of rice as a unit rate.

Mathematics

2 answers:

omeli [17]3 years ago

8 0

Answer:

The unit rate is $4 for 1 pound of rice.

Step-by-step explanation:

P.S Can I have brainliest?

Gemiola [76]3 years ago

4 0

Answer:

$4 per pound

Step-by-step explanation:

Unit rates are in terms of 1.

8/2 = 4

So $8 for 2 pounds is equivalent to $4 for 1 pound.

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Plzz solve this easy calculus :')

Digiron [165]

Answer:

$\sin \: x - \cos x \: + c$

Step-by-step explanation:

$\int \frac{cos2x}{ \sqrt{1 - sin2x} } dx \\ \\ = \int \frac{ {cos}^{2}x - {sin}^{2}x } { \sqrt{ {sin}^{2}x + {cos}^{2}x - 2sinx \: cosx } } dx \\ \\ = \int \frac{ ({cos}x - {sin}x )({cos}x + {sin}x )} { \sqrt{ {({cos}x - {sin}x )}^{2} } } dx \\ \\ = \int \frac{ ({cos}x - {sin}x )({cos}x + {sin}x )} {{ {({cos}x - {sin}x )} } } dx \\ \\ = \int({cos}x + {sin}x)dx \\ \\ = \int{cos}x \: dx + \int{sin}x \: dx \\ \\ = \sin \: x - \cos x \: + c$

3 0

2 years ago

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bija089 [108]

I can't see it clearly the questions ?

5 0

3 years ago

The roof of the Terminal Tower is 709 feet above ground. A window washer dropped a bucket from the edge of the roof. How many se

Masja [62]

Answer:

6.64 seconds

Step-by-step explanation:

Given that:

Distance between roof of the terminal and ground = 709 feet

A bucket was dropped from the roof.

To find:

The time taken by the bucket to hit the ground?

Solution:

Distance traveled, $s$ = 709 feet

Initial velocity of the bucket, $u$ = 0 feet/sec (because initially it was at rest)

Acceleration of the bucket will be equal to acceleration due to gravity i.e.

$g$ or 32.1741 $ft/sec^{2}$

Let the time taken is $t$ seconds.

Formula for distance is given as:

$s = ut+\dfrac{1}{2}at^2$

Putting all the values:

$709 = 0 (t) + \dfrac{1}{2}(32.1741) t^2\\\Rightarrow 1418 = 32.1741 t^2\\\Rightarrow t^2 = 44.07\\\Rightarrow t \approx \bold{6.64\ sec}$

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2 years ago

Find the value of the polynomial-x -x^2+3x+2 what x =-4

Lelechka [254]

I got 270. hope this helped

4 0

3 years ago

I NEEED HELP!!!!!! AGAIN

saveliy_v [14]

Answer:

Step-by-step explanation:

You add and divide for the mean so you add all of them together (which is 16) and you divide it by 4 (because there are 4 teams) which gives you the answer 4

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3 years ago