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Sergio [31]
2 years ago
15

4. 6x³ - 4x² +7 or 7x³ - 6x² + 4 for x = 3

Mathematics
1 answer:
Gemiola [76]2 years ago
5 0

Answer:

This is your answer☝️☝️

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The formula p=f/a can be used to relate pressure, force and area. solve the formula for a
Gemiola [76]
<h3>Answer:   a = f/p</h3>

===============================================

Explanation:

We'll solve for 'a' doing these two steps in this exact order

  1. Multiply both sides by 'a'
  2. Divide both sides by p

We do this because we're following PEMDAS in reverse to isolate the variable we want.

The steps look like this

p = f/a

pa = f

a = f/p

Note how ultimately the 'a' and p variables swap places when going from p = f/a to a = f/p

3 0
3 years ago
Security A rounds every 2 minutes and 20 seconds in the gate 1. Security B
JulsSmile [24]

Answer:

They will do rounds together again in 11 minutes and 40 seconds.

Step-by-step explanation:

Security A rounds every 2 minutes and 20 seconds in the gate 1.

That is, after 2*60 + 20 = 120 + 20 = 140 seconds.

Security B rounds every 1 minute and 40 seconds in the gate 2.

That is, after 1*60 + 40 = 60 + 40 = 100 seconds.

After how many minutes they will rounds together again?

First, we find this is seconds, which is the least common multiple between 140 and 100. Factoring them by prime factors:

140 - 100|2

70 - 50|2

35 - 25|5

7 - 5|5

7 - 1|7

1 - 1

lcm(140,100) = 2*2*5*5*7 = 700 seconds

They will do rounds together again in 700 seconds, which is 11 minutes and 40 seconds.

5 0
3 years ago
Which numbers are solutions to the inequality below?
babunello [35]

Answer:

4, 5 and 6

Step-by-step explanation:

Add 19 to both sides:

-4x > 52

Divide by -4

x > -13 (Flip the sign when multiplying or diving by a negative)

4, 5 and 6 satisfy this

6 0
3 years ago
!PLEASE HELP WILL GIVE BRAINLIEST!
natita [175]

Answer:

34m = c

Step-by-step explanation:

For every month (m) you pay 34 dollars. However many months youu use that service time 34 equals your total cost (c).

4 0
3 years ago
Read 2 more answers
A company uses the declining-balance method of calculating depreciation expense. On January 1, the company buys machinery for $7
NeX [460]

Answer:

$516,000

Step-by-step explanation:

Given:

- Beginning boo value of asset A = $750,000

- The salvage value of the asset B = $100,000

- The estimated life of asset t = 10 years

Find:

What is the book value in year 3?

Solution:

- Under the declining balance method, double declining method depreciation rate (R) is calculated by:

                                  R = 1 / t

                                  R = 1 / 10 = 10%

- The accumulated depreciation for 3 years is as follows:

                                 Depreciation: ( A - B ) * R * 2

                 Year 1:     DDB = ( 750,000 - 100,000 ) * 0.2 = $130,000

                 Year 2:    DDB = ( 620,000 - 100,000)*0.2 = $104,000

- The book value in year 3 is:

                                 $ 620,000 - $104,200 = $516,000

                                             

                                   

7 0
3 years ago
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