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3 years ago

How do i add fractions and simplify the answer

2 answers:

7 0

There are 3 simple steps to add fractions:
Step1-Make sure the denominators are the same.
Step2-Add the numerators and put the answer over the denominator.
Step3-Simplify the answer if needed.

Simplifying:
You can simplify a fraction by dividing the numerator and denominator by their GCF.

Questions?

Brut [27]3 years ago

4 0

What you do as a simply way of saying it is add the top half and put it into fraction for
say the question was:
add then simplify- 2 + 3 = 5
10 10 = 10
so 5\10 ... what you do is divide... 5 divided by 10 is 2... so it would be 1\2

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Please help 7th grade math

Aleks04 [339]

I think it’s 12 or -12

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3 years ago

George has opened a new store and he is monitoring its success closely. He has found that this store's revenue each month can be

makvit [3.9K]

Answer:

The new store will have a profit of $5400 after its fifth month.

(R-C)(x) = (x²+5x+14)-(x²-4x+5) = x²-x²+5x--4x+14-5 = 5x+4x+14-5=9x+9

(Use 5 for x)

(R-C)(5) = 9(5) + 9 = 45+9 = 54

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2 years ago

At the movie theatre, child admission is S5.20 and adult admission is $8.30. On Tuesday, 156 tickets were sold for a total sales

Annette [7]

Answer:

So, 89 Adult tickets were sold.

Step-by-step explanation:

So, we first name our variables, say, a for number of adult tickets, and c for child tickets.

Then we write our system of equations, first the total $ sale:

5.2c + 8.3a = 1087.10

Then we write the 2nd equation, the total number of tickets:

c + a = 156

Now, we can solve the system:

We do have different methods, let's to by subsitution.

make some change to the 2nd equation, to make c the subject: c = 156 - a

Now we plug that into the 1st equation:

5.2(156 - a) + 8.3a = 1087.10

811.2 - 5.2a + 8.3a = 1087.10

811.2 + 3.1a = 1087.10

3.1a = 275.9

a = 89

8 0

3 years ago

The graph shows the relationship between the number of weeks and the number of hours spent on the computer. What rule relates th

deff fn [24]

Answer: multiply the number of weeks by 3 or A ( if in assessment guide book)

Step-by-step explanation: just look at the point where its between 2 and 4

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3 years ago

What is the rate of change for the linear relationship modeled in the table? (4 points)

lozanna [386]

Answer:

-1/2

Step-by-step explanation:

In a linear relationship, the rate of change of one variable with respect to the other is constant. When we talk about change, we're looking for a difference of values.

If we look at the first and second rows, the change in x is 1 - (-1) = 2, while the change in y is 9 - 10 = -1. Usually we refer to these changes as Δx and Δy (read like "delta-x" and "delta-y"), and the rate of change is the number we get by dividing one of these by the other.

The rate of change we're used to seeing, sometimes called the slope, is Δy/Δx. So, using the values we've already found:

$\Delta{x}=2\\\Delta{y}=-1\\\Delta{y}/\Delta{x}=-1/2$

5 0

3 years ago

Read 2 more answers