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blondinia [14]
4 years ago
13

X2-x+12=0 Have to solve for x

Mathematics
1 answer:
il63 [147K]4 years ago
3 0
0 + 12 = 12
2x - x = x
x = 12
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"The product of a six and a number increased by four is equal to
NeTakaya

Answer:

6x + 4 = 12x - 20

x = 4

Step-by-step explanation:

Let "x" be the number.

Product of 6 and x (6*x), increased by 4 = 6x + 4

Product of 12 and x, (12*x), decreased by 20 = 12x - 20.

Set both expressions equal to each other and solve for x as shown below:

6x + 4 = 12x - 20 (equation)

Subtract 12 from both sides

6x + 4 - 12x = 12x - 20 - 12x

-6x + 4 = -20

Subtract 4 from both sides

-6x + 4 - 4 = -20 - 4

-6x = -24

Divide both sides by -6

\frac{-6x}{-6} = \frac{-24}{-6}

x = 4

7 0
4 years ago
Lily is making a snack mix for her class. The recipe shows the amount of each ingredient needed to make 8 bags. Complete each st
LekaFEV [45]

Answer: 1. 2 cups of raisins 2. 3 bags of snack mix 3. 5 cups of crackers 4. 4 bags of snack mix

Step-by-step explanation:

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4 years ago
What is the answer?​
zepelin [54]

Answer:

<em>x = 110° ; y = 49°</em>

Step-by-step explanation:

m∠ABD = m∠ADB = 35° ⇒ <em>x</em> = 180° - 2 × 35° = <em>110°</em>  

m∠CDB = m∠CBD = 2y ⇒ <em>y</em> = (180° - 82°) ÷ 2 = <em>49°</em>

3 0
3 years ago
Which expressions are equivalent to
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Answer:both 1 and 2 are correct

Step-by-step explanation:

3 0
3 years ago
Please help me, I’ve literally been trying for so long.
DaniilM [7]

Let the cosecutive numbers be like this :

2n + 1 , 2n + 2 , 2n + 3 , 2n + 4 , 2n + 5

Odd , Even , Odd , Even , Odd

______________________________

So we have :

(2n+1)+(2n+3)+(2n+5)=(2n+2)+(2n+4) + 39

6n + 9 = 4n + 6 + 39

6n + 9 = 4n + 45

Subtract both sides 9

6n + 9 - 9 = 4n + 45 - 9

6n + 0 = 4n + 36

6n = 4n + 36

Subtract both sides 4n

6n - 4n = 4n - 4n + 36

2n = 0 + 36

2n = 36

Divide both sides by 2

2n ÷ 2 = 36 ÷ 2

<em>n</em><em> </em><em>=</em><em> </em><em>1</em><em>8</em><em> </em>

______________________________

So the numbers are :

2(18)+1 , 2(18)+2 , 2(18)+3 , 2(18)+4 , 2(18)+5

36 + 1 , 36 + 2 , 36 + 3 , 36 + 4 , 36 + 5

37 , 38 , 39 , 40 , 41

As u can see the Odd numbers are :

37 , 39 , 41

And we're done ...

7 0
3 years ago
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