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ExtremeBDS [4]
3 years ago
7

How old is molly if she was 52 years old when she was fourteen years ago?

Mathematics
1 answer:
meriva3 years ago
8 0
To solve a problem like this, we can setup a basic algebraic equation.

52+14=x
66=x

We know this equation is true because 14 years ago, she was 52 so 14 years later, she is 66.
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The difference of two trinomials is x2 − 10x + 2. If one of the trinomials is 3x2 − 11x − 4, then which expression could be the
12345 [234]

Answer:

4x^2-21x-2

Step-by-step explanation:

Given that:

Difference of two trinomials is x^2 - 10x + 2

One of the two trinomials is  3x^2 - 11x - 4

To find:

The other trinomial = ?

Four options are:

2x2 - x - 2 \\2x2 + x + 6 \\4x2 + 21x + 6\\ 4x2 - 21x - 2

Solution:

Let the two trinomials be A and B.

Given A - B = x^2 - 10x + 2

B = 3x^2 - 11x - 4

We have to find the other trinomial A.

A - B = x^2 - 10x + 2

A - (3x^2 - 11x - 4) = x^2 - 10x + 2

\Rightarrow A = x^2 - 10x + 2 + (3x^2 - 11x - 4)

\Rightarrow A = 4x^2-21x-2

So, the correct answer is 4x^2-21x-2.

3 0
3 years ago
What is 32/36 simplified
Nataliya [291]
32/36 simplified is 8/9 
3 0
3 years ago
Read 2 more answers
1. (3x + 7) + (8x + 2)
Mashutka [201]
11x+9


Step by step:
Remove the parenthesis
3x+7+8x+2
Collect like terms
11x+7+2
Add 7+2
11x+9
5 0
2 years ago
Which of these is one of the most expensive fees you will encounter with checking accounts?
grigory [225]

Answer:

atm fees that is your answer

Step-by-step explanation:

8 0
3 years ago
Of the 48 oranges in a carton 1/3 of them were rotten Ben and David took the remaining good oranges it's been took eat my orange
Burka [1]

Answer:

David took 16 oranges.

Step-by-step explanation:

We are given the following in the question:

Total number of oranges = 48

Oranges rotten =

\dfrac{1}{3}

Number of oranges rotten =

\dfrac{1}{3}\times 48\\\\=16

There were 16 rotten oranges.

Number of good oranges left =

= 48-16\\=32

These are equally divided among Ben and David.

Number of oranges each Ben and David get =

\dfrac{32}{2} = 16

Thus, David took 16 oranges.

8 0
2 years ago
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