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Ann [662]
3 years ago
8

How to solve for -2n-1=6

Mathematics
1 answer:
Ainat [17]3 years ago
5 0

Answer:

-2n = 6+1

-2n = 7

n = 7/-2 or -3.5

Hope it helps

mark brainliest!!!

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Using a table of values, determine the solution to the equation below to the nearest fourth of a unit.
gayaneshka [121]
Let's call f(x) = 2x - 4 and g(x) = 3⁻ˣ + 1.

<span>First, you need to evaluate each function at the given values of x.</span>
f(1) = 2(1) - 4 = -2
f(3.25) = 2(3.25) - 4 = 2.50
f(2.5) = 2(2.5) - 4 = 1
f(2) = 2(2) - 4 = 0

Similarly:
g(1) = <span>3⁻¹ + 1 = 1.33
g(3.25) = </span><span>3⁻³'²⁵ + 1 = 1.03
g(2.5) = </span>3⁻²'⁵ + 1 = 1.06
g(2) = 3⁻² + 1 = 1.11

Now, look for the value of x for which f(x) ≈ g(x): this happens for x = 2.5
Therefore the correct answer is c) x ≈ 2.5 
4 0
4 years ago
Read 2 more answers
An internet charges a flat rate of $6.50 for shipping. If x represents the cost of items purchased and y represents the total co
Oxana [17]

<em><u>Question:</u></em>

An Internet business charges a flat rate of $6.50 for shipping. If x represents the cost of the items purchased and y represents the total cost with shipping, which equation best represents the relationship between x and y?

<em><u>Answer:</u></em>

y = 6.5 + x represents the relationship between x and y

<em><u>Solution:</u></em>

Given that,

An internet charges a flat rate of $6.50 for shipping

Let "x" be the cost of items purchased

Let "y" be the total cost with shipping

Therefore,

Total cost with shipping = flat rate of 6.50 + cost of items purchased

Thus, we get,

y = 6.50 + x

y = 6.5 + x

Thus the above equation represents the relationship between x and y

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3 years ago
What is the answer to this problem
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Answer:

8.65.

Step-by-step explanation:

B is halfway between 8.6 and 8.7.

Therefore B is 8.65.

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3 years ago
3 divide by what number equals 5
marysya [2.9K]
First write the equation
3/n = 5

Multiply both sides by n
3/n * n = 5 * n

Simplify
3 = 5 * n

Divide both sides by 5
3/5 = 5 * n/5

Simplify
3/5 = n

Divide
0.6 = n


So 3/0.6 = 5
4 0
4 years ago
H E L P M E P L E A S E
Vesna [10]

Answer:

1 if you put it togather for the first one your going to put 7

2 for the next one you are going to put 9

3.the third one you are going to put 8

4.  then for the last one your going to put 10

5. you are going to put 12

6 . you are going to add 17

Step-by-step explanation:

um  i think that how it go

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