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VladimirAG [237]
3 years ago
7

2x+7y=2 and 4x+2y=-2 using the elimination method

Mathematics
1 answer:
Natalija [7]3 years ago
5 0
I hope this helps you

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What is 0.7b^3•0.4b^9
Dennis_Churaev [7]

It's an expression that can be simplified to read

       ( 0.7  x  0.4 ) ( b³  x  b⁹ )

   =  (      0.28    )  (    b¹²      )  =  0.28 b¹² .

4 0
4 years ago
One kilogram is 2.2 pounds. If i had 1 pound would that be 0.45 kilograms why or why not?
prisoha [69]

Step-by-step explanation:

1 kg = 2.2 pounds

0.45 kg = 1 pounds to see whether it's correct or not we can cross multiply the given equations

multiply 1 kg with 1 pounds and 0.45 kg with 2.2 pounds then check if they are equal

1 × 1 = 2.2 × 0.45

1 = 0.99 as you can see this is not an equality therefore the statement is wrong.

3 0
4 years ago
Determine whether quantities vary directly or inversely and find the constant of variation. An employee earns $175 for 15 hours
Vitek1552 [10]

Answer:

210 dollars in 18 hours

Step-by-step explanation:

175 / 15 = 11.6666666667

11.6666666667 times 18 equals 210 dollars

6 0
3 years ago
Read 2 more answers
How do you find the HCF of 15t and 6s?
earnstyle [38]

Answer:

HCF=3

Step-by-step explanation:

Factors of 15t= 3*5*t

Factors of 6s= 2*3*s

HCF= Common factors

common factor = 3

HCF=3

4 0
3 years ago
What is the general form of the equation of the line shown?<br> Ox+y=0<br> Ox-y=0<br> Ox-y=0
mixer [17]

Answer:

x-y=0

Step-by-step explanation:

7 0
3 years ago
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