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3 years ago

The absolute value of any real number is

Mathematics

2 answers:

Katyanochek1 [597]3 years ago

7 0

Answer:

The non-negative value of x without regards to it's sign. Hope this helps!

Step-by-step explanation:

Naya [18.7K]3 years ago

5 0

Hi!

I can help you with joy!

The answer to your question is:

$POSITIVE$

The absolute value of any real number is positive.

$*RosalindCordelia*$

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Solve for x:<br><br>5/7 = 4x/83

Simora [160]

Step-by-step explanation:

$\to \dfrac{5}{7} = \dfrac{4x}{83}$

By cross multiplication,

→ 83(5) = 4x(7)

→ 415 = 28x

In decimal : 14.8214286

7 0

3 years ago

Solve the following equation (If possible please show work)

natima [27]

Answer:

x = 1.8

Step-by-step explanation:

2 ( 4x-3) - 8 = 4-2x

Distribute

8x -6 -8 = 4- 2x

Combine like terms

8x - 14 = 4 - 2x

Add 2x to each side

8x - 14 +2x = 4-2x+2x

10x-14 = 4

Add 14 to each side

10x-14+14 = 4+14

10x = 18

Divide by 10

10x/10 = 18/10

x = 1.8

8 0

3 years ago

The radius of the base of a cylinder is increasing at a rate of 7 millimeters per hour. The height of the cylinder is fixed at 1

Ilya [14]

Answer:

The rate of change of the volume of the cylinder at that instant = $791.28\ mm^3/hr$

Step-by-step explanation:

Given:

Rate of increase of base of radius of base of cylinder = 7 mm/hr

Height of cylinder = 1.5 mm

Radius at a certain instant = 12 mm

To find rate of change of volume of cylinder at that instant.

Solution:

Let $r$ represent radius of base of cylinder at any instant.

Rate of increase of base of radius of base of cylinder can be given as:

$\frac{dr}{dt}=7\ mm/hr$

Volume of cylinder is given by:

$V=\pi\ r^2h$

Finding derivative of the Volume with respect to time.

$\frac{dV}{dt}=\pi\ h\ 2r\frac{dr}{dt}$

Plugging in the values given:

$\frac{dV}{dt}=\pi\ (1.5)\ 2(12)(7)$

$\frac{dV}{dt}=252\pi$

Using $\pi=3.14$

$\frac{dV}{dt}=252(3.14)$

$\frac{dV}{dt}=791.28\ mm^3/hr$ (Answer)

Thus rate of change of the volume of the cylinder at that instant = $791.28\ mm^3/hr$

6 0

3 years ago

A company's mean salary is $65,000 with a standard deviation of $6,000. If a sample of

sweet-ann [11.9K]

Answer:

None of these

Step-by-step explanation:

math math math

8 0

3 years ago

Read 2 more answers

Marco can swim at a speed of 45 m/min. define how long it will take him to swim 200 m he solve the equation 45 times to equal 20

user100 [1]

Answer:

The time taken by Macro to cover 200 m at the speed of 45 meter per minute is 4.44 minutes

Step-by-step explanation:

Given as :

The speed at which Macro swim = s = 45 meter per minute

The total distance cover by Macro = d = 200 meter

Let The time taken by Macro to cover 200 m = t minutes

<u>Now, From formula </u>

Distance = Speed × time

Or, d = s × t

Or, t = $\dfrac{d}{s}$

Or, t = $\dfrac{\textrm 200 meter}{\textrm 45 meter per min }$

Or, t = 4.44 minutes

So, The time taken by Macro to cover 200 m = t = 4.44 minutes

Hence The time taken by Macro to cover 200 m at the speed of 45 meter per minute is 4.44 minutes . Answer

8 0

3 years ago