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blondinia [14]
2 years ago
6

Name the property shown by the statement. 2 + 5 = 7

Mathematics
1 answer:
Softa [21]2 years ago
6 0
Property of addition
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2g + h =2<br>g -h= -5<br><br>find g and h step by step explanation​
wel

Answer:

Step-by-step explanation:

2g + h = 2 --------------(I)

g - h = -5------------(II)

   g = -5 + h

Plugin g = -5 + h in equation (I)

  2(-5 + h) + h = 2              {Distributive property:a(b+c) = a*b +a*c}

(-5)*2 + h *2 + h= 2

-10 + 2h  + h    = 2

             3h = 2 + 10

       3h = 12

         h = 12/3

h = 4

Substitute h= 6 in equation (I)  

2g + 4 = 2

    2g = 2 - 4

    2g = -2

      g = -2/2

g = -1

6 0
2 years ago
<img src="https://tex.z-dn.net/?f=2x%20%7B%20%7D%5E%7B2%7D%20%20%2B%205x%20-%203" id="TexFormula1" title="2x { }^{2} + 5x - 3"
Kaylis [27]
If you’re factoring it, it’s

(2x - 1) (x+3)
5 0
2 years ago
Are 9x and 9x2 like terms? Explain why or why not?
enot [183]

Answer:

no

Step-by-step explanation:

they are not like terms because the term 9x^2 is to the 2nd power which means that you are supposed to times the number by itself 2 times and 9x is not to the 2nd power so it stays the same.

4 0
3 years ago
Pine Bluff, Ark has been continuously declining in population at a rate of 12.5 percent due to unemployment. If
Zinaida [17]
I think it would be 3
4 0
2 years ago
A 3mL unit dose of levalbuterol HCl contains 0.63mg of active ingredient. If 2 unit doses are used, how many mg of active ingred
Sergio039 [100]

Answer:  0.42 mg

Step-by-step explanation:

Given : A 3mL unit dose of levalbuterol HCl contains 0.63mg of active ingredient.

Then , the amount of active ingredient in 1 ml dose of levalbuterol HCl = \dfrac{0.63}{3}

=\dfrac{63}{300}=\dfrac{21}{100}=0.21\ mg

Hence, the amount of active ingredient in 2 ml dose of levalbuterol HCl will be :-

2\times0.21=0.42\ mg

Hence, the amount of active ingredient in 2 ml dose of levalbuterol HCl =0.42 mg

6 0
3 years ago
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