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Gekata [30.6K]
3 years ago
15

I need the answers to #1,#2 and #3

Mathematics
1 answer:
Ede4ka [16]3 years ago
6 0
The answers are #1 45 #2 24 #3 10
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How many oxygen atoms are in the product H2O+ CO2
Zielflug [23.3K]
For CO2 there is one atom of carbon and two atoms of oxygen. For H2O, there is one atom of oxygen and two atoms of hydrogen.
7 0
3 years ago
5 ( n - 7 ) = 2 ( n + 14 )
wariber [46]

Answer:

n=21

Step-by-step explanation:

We must find n.

Remember PEMDAS. First we must do the Parentheses. Lets do distributive property by multiplying a number that is immediately outside the parentheses with each number inside the parentheses. Lets do this one side at a time.

First lets do 5(n - 7). We get 5n - 35

Now 2(n + 14) is 2n + 28

Okay...... now we have 5n-35=2n+28

Now lets do OPPOSITES!!!! We must do the opposite of each thing to both sides.

The opposite of -35 is positive 35. Lets add 35 to both sides. We get:

5n=2n+63

Now lets do the opposite of 2n which is -2n

3n=63

this is looking quite nice isnt it..........

The opposite of 3 times n is 3 DIVIDED BY n. So lets divide both sides by 3

n=21

amazing.......

8 0
2 years ago
Read 2 more answers
Factor out the greatest common factor<br> 15x^2-21x<br> ^=exponent
gavmur [86]

Answer:

3x

Step-by-step explanation:

3x(5x-7)

brainliest!

4 0
3 years ago
Please solve this question ??????​
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7 0
2 years ago
Where is the hole for the following function located f(x)= x+3/(x-4)(x+3)
Marizza181 [45]
In a rational function, holes are located where f(x) is undefined(the denominator is 0), but the undefined points can be factored out. In f(x), when x is 4 or -3, f(x) is undefined. But, x+3 can be factored out, so it is a hole. The hole is located at (-3,-1/7)
6 0
3 years ago
Read 2 more answers
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