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Marta_Voda [28]
3 years ago
15

Which of the following is the solution to the equation 25(z + 2) = 125 ?

Mathematics
2 answers:
Maru [420]3 years ago
5 0
25z+50=125
25z=75
z=3
actually z should be equal 3 ....
solong [7]3 years ago
5 0
To solve the equation above, we have to isolate the variable z on one side and transpose all other value to the other side. We solve as follows:

<span>25(z + 2) = 125
</span><span>1/25(25(z + 2) = 125)
z + 2 = 125/25 = 5
</span><span>z + 2 - 2 = 5 - 2
z = 3</span>
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The front of an A-frame house is in the shape of a triangle.The height of the house is 20 feet.The area of the front of a A-fram
ipn [44]
600 divided by 20=30
30x2=60 which is the answer

equation= 600=2x area divied by height 
7 0
3 years ago
Which equation is true?
enot [183]
Lets solve all of these:-

#1

√361 = 361 · 2
         
         ?
√361 = 361 · 2
√361 = 19
361 · 2 = 722

19 ≠ 722
So this equation is not true

#2:-

√361 = 19²

         ?
√361 = 19²
√361= 19
19² = 19 · 19 = 361

19 ≠ 361
So this equation is not true

√361 = 361 ÷ 2 

         ?
√361 = 361 ÷ 2 
√361 = 19
361 ÷ 2 = 180.5

√361 ≠ 361 ÷ 2 
So this equation is not true

√361 = √19²
√361 = 19
√19² = 19

19 = 19

SO the last one is right. Hope I helped ya!! xD
4 0
3 years ago
Help this is due today
kherson [118]

Answer:

9) 844cm^2 10) 15,000in^3 11) 240cm^3 12) 480in^3

Step-by-step explanation:

9) A= 200 A=160 A=192 A=192 A=100

200+160= 360+192= 552+192= 744+100=844cm^2

for #9 i divided the figure into 5 parts and got the area of each one and added all of the totally areas to get the final answer

10) A= 20*30= 600*25= 15,000in^3

11) A= 2*5= 10*4= 40cm^2 (cheese) A= 40*6= 240cm^3

12) 12*10= 120*4= 480in^3

4 0
3 years ago
2-^3=<br> -8<br> -6<br> -1/6<br> 1/8<br> 2/3
Allisa [31]

Answer:

-8

Step-by-step explanation:

Hope this helps!

8 0
3 years ago
Find the error<br> 3(x+2) + 3x = 36<br> 3x + 6 + 3x = 36<br> 6x + 6 = 36<br> 6x = 42<br> x = 7
rusak2 [61]
Answer: 6x=42

Explanation: After the step 6x+6=36, it’ll equal 6x=30 because when you subtract the 6 on both sides, it’ll equal 30, revealing it’s actually 6x=30, with the conclusion of x=5.
3 0
3 years ago
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