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mario62 [17]
3 years ago
14

7+x/3 = 2x-5 Please help with my maths question

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
6 0

Answer:

36/5

Step-by-step explanation:

First, we need to isolate the x.

7+x/3=2x-5

x/3=2x-12

x=6x-36

-5x=-36

x=36/5

Hoped this helped!

zavuch27 [327]3 years ago
5 0

Answer:

<h2> X= 22/7</h2>

Step-by-step explanation:

7+X/3 = 2x - 5

7 + x = 3( 2x - 5) [ cross multiplication]

7 + X = 6x - 15

Move variable to LHS and change its sign

X - 6x + 7 = -15

Move constant to R.H.S and change its sign

X - 6x = -15 - 7

Collect like terms

-5x = -15 - 7

Calculate the difference

-5x = -22

The difference sign(-) will be cancelled in both sides

5x = 22

divide both sides of the equation by 5

5x/5 = 22/5

calculate

X = 22/5

Hope this helps..

Good luck on your assignment...

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Answer:

Plot the line y = 2x - 3 and the portion above the line will satisfy the inequality.

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3 years ago
In a certain​ lottery, you must select 5 numbers​ (in any​ order) out of 26 correctly to win. a. How many ways can 5 numbers be
Step2247 [10]

Answer:

a. 7893600

b.\ \dfrac{1}{26}

Step-by-step explanation:

Given that there are 26 numbers out of which 5 numbers are to be chosen.

Here repetition is not allowed.

For each of the 5 cases, the total number of possibilities will keep on decreasing by 1.

1st case, number of possibilities = 26

2nd case, number of possibilities = 25

3rd case, number of possibilities = 24

4th case, number of possibilities = 23

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a. Total number of possibilities = 26 \times25 \times24 \times23 \times22 = <em>7893600</em>

b. Probability of winning by choosing one number:

Formula for probability of an event E can be observed as: P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

Number of favorable cases = 1

Total number of cases = 26

So, required probability:

P(E) = \dfrac{1}{26}

So, the answers are:

a. 7893600

b.\ \dfrac{1}{26}

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3 years ago
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Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
Can someone solve this for me pls¿​
Arturiano [62]
The first one would be 3 x 3 x 3!

but the others i dont know!

——- answer founded ———

i remember this test, so 3 would be 3 x 3 x 3 because it has it on top w the ma so mark brainlist if correct!
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2 years ago
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