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Svet_ta [14]
4 years ago
12

Evaluate: x (4 - 5) + 2y

Mathematics
1 answer:
Fittoniya [83]4 years ago
5 0

Answer:

-1x+2y

Step-by-step explanation:

x(4-5)+2y

4x-5x+2y

4x-5x

-1x+2y

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Is the graph increasing, decreasing, or constant where 1
Ipatiy [6.2K]

Answer:

decreasing

Step-by-step explanation:

reading from left to right it os going down

8 0
4 years ago
Read 2 more answers
Please write an addition statement that is equivalent to 49 ÷ -7
Zanzabum

Answer:

84 ÷ -12 = -7

21 ÷ -3 = -7

Step-by-step explanation:

49 ÷ -7 = -7

Means that __ ÷ __ must equal -7

There are many options, here are a few:

84 ÷ -12 = -7

or -84 ÷ 12 = -7

21 ÷ -3 = -7 etc

5 0
3 years ago
The quotient of m and 350 equals 299
Sveta_85 [38]

Answer:

Step-by-step explanation:

m÷350 = 299

m = 299×350 = 104,650

8 0
3 years ago
1. What is 3/5+3/5+3/5+3/5 equal to?
nydimaria [60]

Answer:

12/5 or 2 2/5

Step-by-step explanation:

3/5+3/5+3/5+3/5

=> (3+3+3+3) / 5

=> 12/5

=> 2 2/5

Hope it helps......

8 0
3 years ago
Read 2 more answers
The gas tank of a 2015 Nissan Sentra holds 13.2 gallons. How many pounds of carbon dioxide are produced by burning an entire tan
OLEGan [10]
<span>13.2 gallons=49.9 liters
the gas is the octan C8H18
the combustion of Octan equation is 
C8H18    +   25/2 O2-------------------> 8CO2         +  9 H2O
1mole                                                    8 moles
n(C8H18)=a                                              n(CO2)=b
so 
1 mole/a  = 8moles /b
and b= 8molesx a

we must find the value of a, molar volume of a gas is  v= 22.4l/mol=V/a, so a=V/v= 49.9/22.4= 2.23 moles

and b=8 x a=8x 2.23=17.85 moles
M(CO2)=m(CO2)/n(CO2)====> m=n x M=17.85 * (12+2x16)=  785.4 g

m(CO2)=785.4g = 1.57 pound</span>
5 0
3 years ago
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