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fenix001 [56]
3 years ago
10

Find a value of x that is a solution to 5(x – 3) = x + 13. Describe how you found the solution.

Mathematics
2 answers:
Ann [662]3 years ago
7 0

Answer:

x=7

because distributive property and addition and subtraction

ludmilkaskok [199]3 years ago
6 0

Answer:

<h2><em><u>x = 7</u></em></h2>

Explanation:

5(x – 3) = x + 13

  • Expand 5(x - 3): 5x - 15

5x - 15 = x + 13

  • Add 15 To Both Sides

5x - 15 + 15 = x + 13 + 15

  • Simplify

5x = x + 28

  • Subtract x From Both Sides

5x - x = x + 28 - x

  • Simplify

4x = 28

  • Divide Both Sides By 4

4x / 4 = 28 / 4

<h2><u><em>x = 7</em></u></h2>

- PNW

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Expand each expression. Then simplify the expression.<br><br> 7(5 + 4w) + 6(8w - 3)
Ilia_Sergeevich [38]

Answer:

76w + 17

Step-by-step explanation:

7 ( 5 + 4w ) + 6 ( 8w - 3 )

= 7 ( 5 ) + 7 ( 4w ) + 6 ( 8w ) - 6 ( 3 )

= 35 + 28w + 48w - 18

= 28w + 48w + 35 - 18

= 76w + 17

3 0
2 years ago
The equation of line m is 3x−5y=−4
vaieri [72.5K]
Slope of this line, -5y = -3x - 4
y = 3/5x + 4/5
So, slope of line which is perpendicular = -5/3  [reciprocal & opposite ]

In short, Your Answer would be -5/3

Hope this helps!
4 0
4 years ago
5≤3y+8&lt;17 solve and graph
Scorpion4ik [409]
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4 0
3 years ago
A dentist polls his patients and finds that 83 percent brush their teeth at least twice a day, 47 percent floss daily, and 19 pe
puteri [66]

Answer:

The correct option is B. 23%

Step-by-step explanation:

Let the event that patient brushes his teeth at least twice a day is denoted by A

So, P(A) = 0.83

Let the event that patient flosses daily is denoted by B

So, P(B) = 0.47

Now, it is given that 19 percent patients brush at least twice a day and floss daily.

⇒ P(A and B) = 0.19

Now, we need to find conditional probability of occurring event B given A has occurred.

\implies P(B|A) =\frac{P(A\: and\: B)}{P(A)}\\\\\implies P(B|A) = \frac{0.19}{0.83}\\\\\implies P(B|A) = 0.2289\approx 0.23

Hence, Nearest required percentage = 23%

Therefore, The correct option is B. 23%

4 0
3 years ago
Read 2 more answers
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kirza4 [7]

Answer:

The answer is d and b hope this helps!

3 0
2 years ago
Read 2 more answers
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