What does x equal too?

Mathematics

2 answers:

yulyashka [42]2 years ago

7 0

9x + 2a = 3a - 4x

13x = a

x = a/13

anygoal [31]2 years ago

4 0

Answer:

$\frac{a}{13}$

Step-by-step explanation:

13x + 2a = 3a

13x = a

$x=\frac{a}{13}$

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4) What is the present value of $4000 received at the

Bingel [31]

Answer:

$11040

Step-by-step explanation:

first of all the question says that $4000 were earned in a year and asks for what the new vale would be after the next 3 years with a discount rate of 8%.

If 1 year=$4000,then 3 years=$12000

100%-8%=92% (this happens because there is still a remaining amount that still has a cost to it),so 12000*92%=$11040

8 0

3 years ago

Read 2 more answers

Conver the equation y=2 to polar form. Then solve the resulting equation for r. <br> Thanks :)

maksim [4K]

This is something to memorize

y = r*sin(theta)

so if y = 2, then

2 = r*sin(theta)

Divide both sides by sin(theta) to get

r = 2/sin(theta)
r = 2csc(theta)

8 0

3 years ago

An air balloon begins it's decent to the ground at 1000 ft above the ground and falls at a rate of 50 ft per minute. Select all

Radda [10]

Answer:

The correct options are 3, 4 and 5.

Step-by-step explanation:

It is given that an air balloon begins it's decent to the ground at 1000 ft above the ground and falls at a rate of 50 ft per minute.

It means the initial height of air balloon is 1000. So, the y-intercept is (0,1000).

The ball falls at a rate of 50 ft per minute. So, the rate of change is

$m=-50$