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Rudik [331]
3 years ago
8

Please help do not answer if u don't know the answer

Mathematics
1 answer:
Kisachek [45]3 years ago
8 0

Answer:

C

Step-by-step explanation:

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Choose the property of addition that justifies the equation<br><br> 9+2=2+9
Alenkasestr [34]

Answer:

Communitive Property

Step-by-step explanation:

Communitive property is when you switch up numbers when you multiply and add but it's still the same.

4 0
3 years ago
The cost, C, in millions of dollars of producing T million tons of steel is modeled by the equation C = 220T + 1890.
kobusy [5.1K]

C = 220T + 1890.

Solve the equation for T.

220T = C - 1890

T = C/220 - 8.6

The steel produced is expected to be sold at a price of $310 per ton.

310 $/ton is a rate or slope. Write a linear equation where x is tons of steel produced and y is selling price of the steel.

y = 310x

Write and solve an equation to find the amount of steel produced if the selling price is equal to the cost of production.

* Here, note that the cost of production and tons of steel in the first equation is in the millions.  The equation we just wrote for the selling price was in x tons of steel. This only matters in regards to the units you specify because; million/million = 1

The unit multiplier of all variables must be specified as same. Either everything is in millions or not.

Here, I'll leave everything in millions, change x (tons of steel) to T (mill tons steel) and "y" to "S" in million dollars selling price.

S = 310T

Set equal to Cost equation.

220T + 1980 = 310T

Solve for T, million tons of steel produced.

1980 = 310T - 220T

1980 = 90T

T = 1980/90

T = 22 million tons steel produced


7 0
3 years ago
Choose a method . Then find the product 10x15
34kurt

Answer:

150

Step-by-step explanation:

15*10

Lets get rid of the 0 for now

15*1

That is 15 added to itself 0 times so it is 15

Now lets put the 0 back

and we will get

150

5 0
3 years ago
Read 2 more answers
Cual es el factor de 10?
Katarina [22]

Answer:

The factors of 10 are 1, 2, 5, and 10.

Translation: Los factores de 10 son 1, 2, 5 y 10.

Step-by-step explanation:

1x10= 10

2x5= 10

8 0
3 years ago
Rosa made 12 gallons of lemonade to sell at a lemonade stand. How many pints of lemonade did she make?
Sav [38]
96 pints, because 1 gallon equals 8 pints, so 12 X 8 equals 96.
7 0
3 years ago
Read 2 more answers
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