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notsponge [240]
2 years ago
12

What is the common difference in sequence 2a +1, +4a + 4, 6a +7 , 8a + 10?

Mathematics
1 answer:
vaieri [72.5K]2 years ago
5 0

Answer:

there is no common difference. it is not constant.

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Hey I need this answered i have no clue what to put pls help ​
Molodets [167]

Answer:

b is correct for Maria but c is correct for the boy

4 0
3 years ago
The speed of the current is 7 mph. The boat travels three times slower against the current than with the current. What is the sp
kotykmax [81]
Let the speed of the boat be x
so going against the current the speed is x-7
going with the current the speed is x+7

let the distance be d
time = distance / speed
time to go against the current = d/(x-7)
time to go with the current = d/(x+7)

time going against the current is 3 times going <span>with the current
</span>
d/(x-7) = 3d/(x+7)     ⇒⇒⇒ divide by d 
1/(x-7) = 3/(x+7) 
x+7 = 3(x-7) 
x+7 = 3x - 21
2x = 28
x = 14

So, the speed of the boat in still water is = 14 mph
3 0
3 years ago
Evaluate y when x=-5. y=3x-6
Sav [38]

Answer:

x= -5

y= -21

Step-by-step explanation

I hope that is the answer you are looking for!And Brainiest is needed!

4 0
3 years ago
Read 2 more answers
GIVING A BRAINLIST IF U CAN ANSWER THESE QUESTIONS PLEASEEE!!
Leviafan [203]

Step-by-step explanation:

1)

Hypotenuse2 = Perpendicular2 + Base2

c2 = a2 + b2

therefore,

c2 = (10)2 in + (24)2 in

c2 = 100 + 576

c2 = 676

c = √676

c = 26

7 0
2 years ago
people with severe hearing loss given a sentence and word recognition test six months after they got implants in their ears the
kirza4 [7]
That would be .82 as 82% is 82/100 so that makes the answer .82
8 0
3 years ago
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