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mina [271]
3 years ago
15

What is the value of x in this equation?

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
5 0

Answer:

B. 4

Step-by-step explanation:

5x - 2(2x-1) = 6   Distribute first the 2 to (2x-1)

5x - 4x + 2 = 6    Subtract 5x - 4x

x + 2 = 6   Transpose 2 to the right side by subtracting both side by 2

x = 6 -2

x  = 4

elena-14-01-66 [18.8K]3 years ago
3 0

Answer:

C

Step-by-step explanation:

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When 5 times a number is added to 45 the answer is the sm of 85 and 140 what is the number
zimovet [89]

Hello.

First, let the number be r.

5 times r is written like this:

\rm{5r}

Now, add 45:

\mathrm{5r+45}

Now, the sum of 5r+45 is equal to the sum of 85 and 140:

\mathrm{5r+45=85+140}

In order to solve this equation, we need to add 85 and 140:

\mathrm{5r+45=225}

Now, subtract 45 from both sides:

\mathrm{5r+45-45=225-45}

\mathrm{5r=225-45}

\mathrm{5r=180}

The last step is to divide both sides by 5:

\mathrm{r=36}

Therefore, the answer is

\rm{r=36}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

8 0
2 years ago
Find the odds for and the odds against the event rolling a fair die and getting a 1 comma a 2 comma or a 5.
IrinaVladis [17]

Answer:

1/2 for or against

Step-by-step explanation:

There is a six sided die so the chance of getting one side is 1/6.

To get the sum for 3 sides, just do 1/6 + 1/6 + 1/6 = 3/6 or 1/2.

4 0
2 years ago
Formulae
Ahat [919]

Answer:

A) 250

B) 1250

Step-by-step explanation:

Amount = 125 x no. People

A) amount = 125 x 2 =250g pasta

B) amount = 125 x 10 =1250g pasta.

Hope this helped!

7 0
2 years ago
Using the net below, find the surface area of the triangular prism 5 cm 5 cm 4 cm 4 cm 3 cm 3 cm 3 cm 5 cm​
MatroZZZ [7]

Answer:

54000

Step-by-step explanation:

use multiplication
do ur own work  if you want to see if I'm wrong

7 0
2 years ago
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Gemiola [76]

Answer:

its c hope it helps not totally sure but yeah

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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