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Sunny_sXe [5.5K]
3 years ago
11

What is the value of x in the equation 5(3x + 4) = 23?

Mathematics
2 answers:
Rainbow [258]3 years ago
5 0

Answer:

x = 0.2

Step-by-step explanation:

<u>Step 1:  Distribute</u>

5(3x + 4) = 23

(5 * 3x) + (5 * 4) = 23

(15x) + 20 = 23

<u>Step 2:  Subtract 20 from both sides</u>

(15x) + 20 - 20 = 23 - 20

15x = 3

<u>Step 3:  Divide both sides by 15</u>

\frac{15x}{15} = \frac{3}{15}

x = \frac{1}{5}

x = 0.2

Answer:  x = 0.2

Dvinal [7]3 years ago
3 0

Answer:

x = 1/5

Step-by-step explanation:

5(3x + 4) = 23

Distribute

15x+20 = 23

Subtract 20 from each side

15x+20-20 = 23-20

15x = 3

Divide by 15

15x/15 = 3/15

x = 1/5

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Find the rest of the equation.
Elan Coil [88]

Answer:

D = 48  E= 90 F = 42 FE = 15

Step-by-step explanation:

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7 0
3 years ago
Simplify the expression (x^3- 5x^2 + 7x - 12) ÷ (x – 4) using long division​
Kisachek [45]

Answer:

{x}^{2} - x + 3

Step-by-step explanation:

Instead, since the divisor is in the form of x - c, use what is called Synthetic Division. Remember, in this formula, -cgives you the OPPOSITE terms of what they really are, so do not forget it. Anyway, here is how it is done:

4| 1 −5 7 −12

↓ 4 −4 12

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1 −1 3 0 → {x}^{2} - x + 3

You start by placing the c in the top left corner, then list all the coefficients of your dividend [x³ - 5x² + 7x - 12]. You bring down the original term closest to c then begin your multiplication. Now depending on what symbol your result is tells you whether the next step is to subtract or add, then you continue this process starting with multiplication all the way up until you reach the end. Now, when the last term is 0, that means you have no remainder. Finally, your quotient is one degree less than your dividend, so that 1 in your quotient can be an {x}^{2}, the −1 [x] follows right behind it, and bringing up the rear, comes the 3, giving you the quotient of {x}^{2} - x + 3.

I am joyous to assist you anytime.

5 0
4 years ago
<img src="https://tex.z-dn.net/?f=100%20%5Ctimes%2068%20%5Cdiv%2015" id="TexFormula1" title="100 \times 68 \div 15" alt="100 \ti
goldfiish [28.3K]
The answer is 453 rounded
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4 years ago
Lines m and n are parallel. What is the measure of angle 5 <br><br> Pls help
Nonamiya [84]

Answer:

48

Step-by-step explanation:


5 0
4 years ago
Use the table to answer the question.
Over [174]

Answer:

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so we need to calculate like this:

530 * 16/80

=530 * 1/5

=530/5

=106

hope this helps your understanding, wish you good grades

3 0
3 years ago
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