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V125BC [204]
3 years ago
5

When the process of adding or multiplying doesn't change the original number, this refers to which property?

Mathematics
2 answers:
Lilit [14]3 years ago
8 0

Answer: the teacher told me it was identity

Hope this helps


SVEN [57.7K]3 years ago
7 0
<span>When the process of adding or multiplying doesn't change the original number, it refers to "Associative property"

Hope this helps!</span>
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Answer:

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Step-by-step explanation:

. Set up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? . Set up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? . Set up the following proportion: Pens are 3 for $0.t up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? . Set up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? . Set up the following proportion: Pens are 3 for $0.69 at the supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens? . Set up the followie supply store. What proportion can be used to find p, the amount it will cost Mrs. Faber to buy 180 pens?

4 0
3 years ago
a water balloon is tossed into the air with an upward velocity of 25 ft/s its height h(t) in ft after t seconds is given by the
Montano1993 [528]
When the height is 0 that is when it hits the ground
solve
0=-16t²+25x+3
cant factor so use quadratic formula

for
0=ax²+bx+c
x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}

so for
0=-16t²+25t+3
a=-16
b=25
c=3
so

x=\frac{-25+/-\sqrt{25^2-4(-16)(3)}}{2(-16)}
x=\frac{-25+/-\frac{625+192}}{-32}
x=\frac{-25+/-\frac{817}}{-32}
it has to be a positive time

so it will hit the ground after \frac{25+\sqrt{817}}{32} seconds
4 0
3 years ago
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tino4ka555 [31]
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3 0
4 years ago
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kondor19780726 [428]
Multiply all terms in the first equation by 2 and all terms in the second by 3.
You should obtain:

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3x + 8(1) = 17, or 3x = 9, or x = 3.

The solution is (3, 1).
7 0
3 years ago
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Taya2010 [7]
Divide both numbers by 13/90

13/90x = 130
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x= 900
8 0
3 years ago
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