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serg [7]
3 years ago
8

20 POINTS IF ANSWERED CORRECTLY AND BRAINLIEST PLEASE HELP ME (07.06 LC)

Mathematics
2 answers:
Stels [109]3 years ago
7 0
It has 1 solution and it is 1.6. to find this answer take 2.25 and subtract it from 3.5 you get 1.25z and -4.25+6.25 is 2. not you have 1.25z=2. divide 2 by 1.25 which is 1.6 and you get your z value. hope I helped! hope you understand this. please mark me as brainliest if you appreciate my answer to help me rank up!
chubhunter [2.5K]3 years ago
6 0
3.5z=2.25z-4.25+6.25
1.25z=2
z=1.6. As a result, this equation have one solution. Hope it help!
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The sum of two numbers is 72 and their difference is 26. find two numbers?
Archy [21]

9514 1404 393

Answer:

  23, 49

Step-by-step explanation:

Let s represent the smaller of the two numbers. Then the larger is s+26, and the sum is ...

  s + (s+26) = 72

  2s = 72 -26

  s = (72 -26)/2 = 23

Then the larger number is

  s +26 = 49

The two numbers are 23 and 49.

_____

The reason we wrote the solution this way is to show you that the smaller number is half the difference between the given sum (72) and difference (26). This is the generic solution to a "sum and difference" problem. The smaller number is always half the difference of the give sum and difference. (Similarly, the larger is always half the sum of the given sum and difference.)

That is, the two numbers are always half the sum ± half the difference:

  72/2 ± 26/2 = {36+13, 36-13} = {49, 23}

7 0
2 years ago
We have to write this equation 27⅔ in radical notation
ankoles [38]

Answer:

Step-by-step explanation:

6 0
3 years ago
a new parking lot is being built for a medical office. the expression representing the number of parking spots in the new lot is
nexus9112 [7]
111 parking spots. 15x32 = 480 480 divided by 4 is 120 and 120 - 9 = 111
5 0
3 years ago
Read 2 more answers
What value of x makes the equation 3(x-6)-8x= -2+5(2x+1) true
QveST [7]

Answer:

x= −7/5

Step-by-step explanation:

Step 1: Distribute and combine like terms

3(x−6)−8x=−2+5(2x+1)

(3)(x)+(3)(−6)+−8x=−2+(5)(2x)+(5)(1)(Distribute)

3x+−18+−8x=−2+10x+5

(3x+−8x)+(−18)=(10x)+(−2+5)(Combine Like Terms)

−5x+−18=10x+3

−5x−18=10x+3

Step 2: Subtract 10x from both sides.

−5x−18−10x=10x+3−10x

−15x−18=3

Step 3: Add 18 to both sides.

−15x−18+18=3+18

−15x=21

Step 4: Divide both sides by -15.

Hope this helps! :)

4 0
2 years ago
A clerk takes 3/4 h to process 9 how long does it take the clerk to process 1 application
Softa [21]

I think 12 minutes because if you take 9 divide it by 3/4 you get 12
8 0
3 years ago
Read 2 more answers
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