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VARVARA [1.3K]
3 years ago
5

Find the value of this expresion if x=3 and y=-1

Mathematics
1 answer:
Strike441 [17]3 years ago
8 0
What’s the expression?
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A combined total of $46,000 is invested in two bonds that pay 4% and
valkas [14]


Answer: 4%-16000 and 9.5%-30000

Why:

1) x+y=46000

x=46000-y

2) 4%x+9,5%y=3490;

4x + 9.5y=349000; so 4*(46000-y)+9.5y=349000;

5.5y=165000

y=30000

x=46000-30000=16000


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3 years ago
Write a verbal expression for 3n-8
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Answer: Pick anyone that suits you

  1. 8 is subtracted from 3 times a number
  2. Thrice a number minus 8

Step-by-step explanation:

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If the area of a square is 1 square meter, how many centimeters long is each side?
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Answer:

25 centimeters

Step-by-step explanation:

1 meter is 100 centimeters.

10 ÷ 4 = 25

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Is (9,-17) a function?
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Yes. All inputs are different.
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47. What is the 12th term of the geometric sequence?
GrogVix [38]

Answer:

A

Step-by-step explanation:

The rule is 2x.

So 3,6,12,24,48,96,192,384,768,1536,3072,6144,12288,....

The question asked for the 12th term so 6144.

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