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Karolina [17]
4 years ago
6

12 = 6(n – 7) Solve 2 -step equation

Mathematics
2 answers:
Anuta_ua [19.1K]4 years ago
5 0

Answer:

9 = n

Step-by-step explanation:

12 = 6(n – 7)

12 = 6n - 42. Use the distributive property

12 = 6n - 42

+42. +42. Inverse operations

54 = 6n

÷6. ÷6

9 = n

madam [21]4 years ago
4 0

Answer:

9 = n

Step-by-step explanation:

12 = 6(n – 7)

Divide by 6 on both sides

12/6 = 6/6(n – 7)

2 = n-7

Add 7 to each side

2+7 = n-7+7

9 = n

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What does 7(p+q+9) equal?​
lbvjy [14]

Answer:

7p+7q+63

Step-by-step explanation:

All you have to do is multiply what is inside the parenthesis with 7 and you get your answer.

3 0
3 years ago
If the probability of trowing a score of seven with 2 dices is ⅛ ,what is the probability of not throwing a score of seven
V125BC [204]

Answer:

7/8

Step-by-step explanation:

because 1 - ⅛ = 7/8. which would mean the answer is 7/8

3 0
3 years ago
What is the rate on an investment that doubles $5051 in 9 years? Assume interest is compounded quarterly.
Inessa [10]

Answer:

The rate at which the investment gets double is 7.776

Step-by-step explanation:

Given as :

The principal investment = $ 5051

The time period of investment = 9 years

Let The rate of interest = R % compounded quarterly

The Amount gets double

So,  <u>From Compounded method</u>

Amount = Principal ×(1+\dfrac{rate}{4\times 100})^{4\times Time}

Or, 2 × P = P  × ( 1 + \dfrac{\textrm R}{400})^{\textrm 36}

Or, 2 =  ( 1 + \dfrac{\textrm R}{400})^{\textrm 36}

Or, 2^{\frac{1}{36}} = 1 + \dfrac{\textrm R}{400}

or, 1.01944 - 1 =  \dfrac{\textrm R}{400}

or, 0.01944 =  \dfrac{\textrm R}{400}

∴ R = 0.01944 × 400 = 7.776

Hence The rate at which the investment gets double is 7.776   Answer

7 0
3 years ago
How to use the slope formula to find the slope of a line<br> please help me!!!!!!!
stepan [7]

Answer:

Sweetie, it's easy. Let me explain.

The slope formula is (y2 - y1) (x2 - x1) you find the slope by putting the rise over the run. For example, if the point goes up 2 and right 3 your slope would be (2,3) and let's just say your next coordinate is (4,5) you would take the y, 5, from the second coordinate and subtract it by the y from the first coordinate, 3. So you would have 2 and you do the same with the x values. So your slope would be 3/2. Hope I helped at all.

Step-by-step explanation:


8 0
3 years ago
Unit: Ratios,
bixtya [17]

Step-by-step explanation:

21:18=7:6

42:36=7:6

63:54=7:6

5 0
3 years ago
Read 2 more answers
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