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Ierofanga [76]
3 years ago
5

Find each sum or difference -1/2 + 1/3

Mathematics
2 answers:
Dovator [93]3 years ago
7 0

Answer:

The answer is -1/6

Step-by-step explanation:

AfilCa [17]3 years ago
6 0

Answer:

Sum: -1/6

Difference: -5/6

Step-by-step explanation:

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Solve this equation <br> 3/4(2x+5=14
Komok [63]
Hello there.

<span>Solve this equation 
3/4(2x+5=14

First, S</span><span>implify both sides

Next, </span><span>Subtract 15 over 4 from both sides.

Then, </span><span>Multiply both sides by 2 over 3

Final Answer: </span>x=41/6
5 0
3 years ago
Find the volume of a sphere with a radius of 9 inches. Use 3.14 for π. Round your answer to the nearest tenth..
azamat
Answer: 3053.6 in^3

To find the volume of a sphere, you first must identify the formula: (4/3)pi(r)^3

You’re given the radius 9 inches
And you’re also given the pi approximation 3.14.

With that in mind, we can plug those variables in the formula to get:
(4/3)(3.14)(9in)^3 = 3053.63 in^3

And rounded to the tenths place:
3053.6 in^3
7 0
3 years ago
A triangle has vertices at f (-7,3),g(2,6) and h(3,5)
Allisa [31]

Answer:

F(-7,3)  -> F'(-7,-3)

G(2,6) -> G'(2,-6)

H(3,5) ->H'(3,-5)

Step-by-step explanation:

If you are taking point (a,b) and reflecting it across the x-axis (the horizontal axis), your x value is going to stay the same because you want the point on the same vertical line as (a,b).  The y-coordinate is going to be opposite because you want a reflection and the opposite of b will this give you the same distance from the x-axis as b.

So the transformation is this: (a,b)  -> (a,-b).

All this means is leave x the same and take the opposite of y.

F(-7,3)  -> F'(-7,-3)

G(2,6) -> G'(2,-6)

H(3,5) ->H'(3,-5)

4 0
3 years ago
Find the mean of this set of numbers.
ikadub [295]
You would add them all together and then divide the answer by how many numbers are there in this case there are 6 so you would all all 6 numbers then divide by 6

So all the numbers added together is 12 so then divide 12 and 6

the mean would be 6
7 0
3 years ago
You are choosing between two different cell phone plans. The first plan charges a rate of 24 cents per minute. The second plan c
kupik [55]

Answer:

C_{1}(t) = 0.24*t

C_{2}(t) = 34.95 + 0.12*t

291.25 talk minutes would produce the same cost for both plans.

Step-by-step explanation:

Both plans can be modeled by a first order equation in the following format:

C(t) = C_{0} + f*t

In which C_{0} is the initial cost, f is the fee that is paid for each minute, and t is the number of minutes.

Cost of the first plan:

The problem states that the first plan charges a rate of 24 cents per minute, which means that f = 0.24.There is no initial cost, so C_{0} = 0.

The equation for this plan is:

C_{1}(t) = 0.24*t

Cost of the second plan:

The problem states that the second plan charges a monthly fee of $34.95 plus 12 cents per minute. So C_{0} = 34.95 and f = 0.12

The equation for this plan is:

C_{2}(t) = 34.95 + 0.12*t

Find the number of talk minutes that would produce the same cost for both plan:

This is the instant t in which:

C_{1}(t) = C_{2}(t)

0.24t = 34.95 + 0.12t

0.12t = 34.95

t = \frac{34.95}{0.12}

t = 291.25

291.25 talk minutes would produce the same cost for both plans.

4 0
3 years ago
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