Answer:
The answer is choice B: 22.52 units.
Step-by-step explanation:
We use the Pythagoras's theorem which says for a right triangle with sides and hypotenuse :
In our case
So we solve for
Which is choice B.
It's 192, I'm pretty sure. I hope that you get this right! :^)
She has to save $623.75 a month to get that amount of money!
Answer: .03
Step-by-step explanation:
The price of one hat is $2 and price of one pair of mittens is $5.
Step-by-step explanation:
Let,
Price of one hat = x
Price of one pair of mittens = y
According to given statement;
5x+4y=30 Eqn 1
2x+3y=19 Eqn 2
Multiplying Eqn 1 by 2
Multiplying Eqn 2 by 5
Subtracting Eqn 3 from Eqn 4
Dividing both sides by 7
Putting y=5 in Eqn 1
Dividing both sides by 5
The price of one hat is $2 and price of one pair of mittens is $5.
Keywords: linear equation, subtraction
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