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tensa zangetsu [6.8K]
3 years ago
8

What is the solution to the following equation? (4 points) 2(3x − 7) + 18 = 10

Mathematics
2 answers:
konstantin123 [22]3 years ago
7 0

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

2*(3*x-7)+18-(10)=0

Step by step solution :

Step 1 :

Equation at the end of step 1 :

(2 • (3x - 7) + 18) - 10 = 0

Step 2 :

Step 3 :

Pulling out like terms :

3.1 Pull out like factors :

6x - 6 = 6 • (x - 1)

Equation at the end of step 3 :

6 • (x - 1) = 0

Step 4 :

Equations which are never true :

4.1 Solve : 6 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2 Solve : x-1 = 0

Add 1 to both sides of the equation :

x = 1

One solution was found :

x = 1

gavmur [86]3 years ago
3 0

Answer:

x = 1

Step-by-step explanation:

Given

2(3x - 7) + 18 = 10 ← subtract 18 from both sides

2(3x - 7) = - 8 ← divide both sides by 2

3x - 7 = - 4 ← add 7 to both sides

3x = 3 ← divide both sides by 3

x = 1

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The radius of the semicircle in the following composite figure is 8.5 millimeters. What is the total area of the composite figur
nydimaria [60]

Answer:

13.35 millimeter. (About)

Step-by-step explanation:

To find the area or circumference of any circle, you need to use pi. So, if we are trying to fine the area of a <em>semicircle, </em>you use the the formula:

πr²/2

So, if the radius is 8.5,

8.5 · 3.14 = 26.69

Now we divide it by 2.

26.69 = 13.345

Since the question is asking to round to the hundredths, the answer will be 13.35 millimeters.

8 0
3 years ago
Read 2 more answers
Evaluate: (x^2-1)/(x-1) if x goes to 1?
egoroff_w [7]

Step-by-step explanation:

\displaystyle \lim_{x \to 1} \dfrac{(x^2 - 1)}{(x-1)} = \lim_{x \to 1} \dfrac{(x - 1)(x+1)}{(x-1)}

\:\:\:\:\:\:\:\:\displaystyle = \lim_{x \to 1} (x+1) =2

6 0
3 years ago
25+{2[3+8-7(25/5)+11]}
Inessa05 [86]
Let's solve it step by step:
(we start with the innermost bracket:  (25/5). This is equal to 5. :

25+{2[3+8-7(25/5)+11]} =
25+{2[3+8-7(5)+11]} =

now, we can multiply 7 and 5, which is 35

25+{2[3+8-35+11]} =

Now we can add all the numbers in the square bracket, 3,8 (that's 11), then -35 (which is -24) then 11 - all together it's -13
3+8-35+11=22-35=-13

25+{2[-13]} =

Multiplying 2 and -13
25+{-26} =25-26, which is -1

the final answer is -1






5 0
3 years ago
Which expression is equivalent to 60x^20y^24/30x^10y^12 brainly
Leno4ka [110]
(60/30)(x^20/x^10)(y^24/y^12)
(2)(x^10)(y^12)
2x^10y^12
4 0
4 years ago
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What is the output when the input is 24.5?<br> A.85.75<br> B.28<br> C.49<br> D.28<br> E.27.5
olga55 [171]
It is None of them So be smart thank you
4 0
4 years ago
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