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Snezhnost [94]
3 years ago
7

X + Y = 3,500 X - Y = 2,342

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0
X + y = 3500 -------------- (1)
x - y = 2342 --------------- (2)

(1) + (2):
2x = 5842
x = 2921 -------------- Sub into (1)
x+ y = 3500
2921 + y = 3500
y = 3500 - 2921
y = 579

----------------------------------------------
Answer: x = 2921, y = 579
----------------------------------------------
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An irregular parallelogram rotates 360° about the midpoint of its diagonal. How many times does the image of the parallelogram c
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Answer:

The correct options is A.

Step-by-step explanation:

The each diagonal of an irregular parallelogram divides the parallelogram in two equal and congruent parts. The diagonal bisects each other.

It means, if a irregular parallelogram rotates 180° about the midpoint of its diagonal, then the image of the parallelogram coincide with its preimage during the rotation.

If a irregular parallelogram rotates 360° about the midpoint of its diagonal, then the image of the parallelogram coincide 2 times with its preimage during the rotation.

Therefore the correct option is A.

6 0
3 years ago
Tickets at the carnival cost 35 each.on Friday night the carnivals earned a total of 12,425 in ticket sales on Saturday night th
Blababa [14]

ticket sale on Saturday night is triple the ticket sale on Friday night.

Therefore

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Then, we have

\begin{gathered} 35n=49700 \\ \Rightarrow n=\frac{49700}{35}=1420 \end{gathered}

Therefore 1420 people attended the carnival on both nights

6 0
1 year ago
The graph of the piecewise function f(x) is shown what is the domain of f(x)
Rom4ik [11]

The domain of a function is where we have a value for x.

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So, our x can vary between 1 and 5, but can't be 5.

8 0
3 years ago
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I can’t type it out but the equation is Pi(radius)^2
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Please help. I dont really understand this, you can even just explain it to me and Ill give you brainliest and 30 points :)
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