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siniylev [52]
3 years ago
13

What is 3x-8=4. Solve for x. Explain.

Mathematics
1 answer:
tangare [24]3 years ago
3 0

Answer:

4

Step-by-step explanation: 3 x 4 = 12.

                                             12 - 8 = 4.

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The souvenir stand sells hats, postcards, and magnets. They have twice as many postcards as hats, and 100 more magnets than post
Ratling [72]

Answer:

4h + 100

Step-by-step explanation:

h = total number of hats

postcards = 2h

magnets = h + 100

Add them all together:

h + 2h + h + 100 = 4h +100

8 0
2 years ago
What is the volume of the can below? Use<br> 3.14 and round your answer to the nearest tenth.
Mamont248 [21]

Answer:

328,268.16

Step-by-step explanation:

3.14r^2h

3.14(33)(33)(96)

= 328,268.16

4 0
3 years ago
Read 2 more answers
Solve the following equations for the unknown variable.
ser-zykov [4K]

Answer:

4

Step-by-step explanation:1.trust me

2.it will be it

3.just do it

7 0
3 years ago
Suppose PV =NRT, where P=8, V=2X, N=2 and R=2X.you are given X=3. Solve for T
FromTheMoon [43]

Answer:  T = 4

Step-by-step explanation:

1. Write all the variables down

P = 8  V = 2X  N = 2  R = 2X  X = 3

2. Since you know that X = 3 substitute it in to find V and R

V = 2X = 2(3) = 6

R = 2X = 2(3) = 6

3. Find PV

PV = P x V

     = 8 x 6

     = 48

4. Find NRT

NRT = N x R x T

       = 2 x 6 x T

       = 12 x T

       = 12T

5. Find T

PV = NRT

48 = 12T

12T = 48

divide both sides by 12

  T = 48 ÷ 12

  T = 4

7 0
2 years ago
What steps do I need to do to get 18×8.7<br><br>23×56.1<br><br>and<br><br>47×5.92
eimsori [14]
For 18 x 8.7 = 156.6

For 23 x 56.1 = 1290.3

For 47 x 5.92 = 278.24

but i don't know how to explain the steps, just the answers.
but hope i helped.
3 0
3 years ago
Read 2 more answers
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