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marshall27 [118]
3 years ago
14

Rewrite the following addition equation as a subtraction equation ×+18.7=23.5

Mathematics
2 answers:
Taya2010 [7]3 years ago
8 0

Answer:

X=23.5-18.5

Step-by-step explanation:

if something is added on one side of the equation, you are going to subtract on both sides of the equation

pishuonlain [190]3 years ago
5 0

Answer:

23.5 - 18.7 = x

Step-by-step explanation:

Isolate the variable

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Answer:

21/7= 3

Step-by-step explanation:


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Find negative square root of 16
denpristay [2]

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five silver coins weigh 125gm and are worth $6. Ten bronze coins weigh 500gm and are worth 80 cents. A number of silver and bron
Kisachek [45]

Answer:

100 silver coins and 175 bronze


Step-by-step explanation:

let x be the number of silver coins and y the number of bronze coins.  

Worth of these coins together = 6x/(5)+0.08/(10)y

=1.2x+0.008y

Weight of one silver coin = 125/5 = 25 gm

and one bronze coin = 500/10 = 50 gms.

Weight of these coins together = 25x + 50y

Equate these two items i.e. value and weight to actuals given.

i.e. 1.2x+0.08y = 134 and    ... i

25x+50y = 11 kg 250 gm = 11250 gms. ... ii

Divide the second equation by 25

x+2y = 450   ...  iii

Multiply I equation by 25

30x+2y =3350   ... iv

iii-iv gives -29x = -2900 or

x =100

Substitute in x+2y = 450

2y = 350 or y =175

6 0
3 years ago
Please please answer ​
dlinn [17]

Answer:

first you rub it then u start to stroke it they you go all out and start beating. and that's how you properly make a nice and tender steak

5 0
4 years ago
PLEASE help! ASAP It would mean a lot I am struggling
belka [17]

The answer you chose is correct! because it says

1 times 50 this is your key hint in the passage/question

7 0
3 years ago
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