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likoan [24]
3 years ago
12

3x+8, 5x-4, 6x+9 constitute the 1st three terms of an arithmetic sequence. find x

Mathematics
1 answer:
8090 [49]3 years ago
6 0
Answer is in the picture

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2. Apples cost $0.99 per pound. Aaliyah has a
UkoKoshka [18]

Answer:

a= about 2.7 pounds of apples

Step-by-step explanation:

2.14=0.99a-0.50

2.64=0.99a

4 0
3 years ago
Write the equation of the line that passes through the given points. (0,-1) and (-11,-4)
solong [7]

Answer:

Line equation

y=0.2727272727272727x−1                Slope 0.27         Intercept   -1

Step-by-step explanation:

5 0
3 years ago
Dan has some marbles
Andreyy89
A. Frank has 24 marbles. I found this because Dan has 15 and total is 63 so subtract 63-15= 48. 48 divided by 2 people, which are Ellie ans Dan is 24. Dan has 24 marbles.


3 0
3 years ago
You deposit $500 in an account that earns 4% simple annual interest entrance and each year is added to the principal to create a
ikadub [295]

Answer:

first year $20 second year $20.80 Third year $21.63

Step-by-step explanation: This is for an extra money per year so after the first year that is how much extra money he gets every year.

4 0
2 years ago
Help finals study guide please I want to just go on break​
timofeeve [1]

Step-by-step explanation:

(note: I'm only answering the ones I know vs giving you wrong answers for the others!)

1. ROS=Obtuse (larger then ninty degrees)

2. octagon has 8 angles (octo means eight, after all!)

3. If a figure has three sides, it is a triagle (not positive on this one)

4. symmetric property of congruence (this one's a simple search :p )

5. N/A (although I believe its angle BEC=124 degrees, as every other choice Is proven to be true)

6. congruent complements theorem (this is because we are given that 3 is a suppliment of 4. we are also given that 2=4. Based on this, then 1=3 is congruent based on 1 being suppliment of 2, 2=4, and 3 being a suppliment of 4)

7. N/A

8. N/A (the picture is too fuzzy for me to make any ideas)

I'm sorry I couldn't solve them all, but I hope this at least gets you somewhere! Have a great day!

8 0
2 years ago
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