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Lunna [17]
2 years ago
15

Brainliest to the correct answer, but answer ASAP

Mathematics
1 answer:
Lyrx [107]2 years ago
7 0

Answer:

B) 25 / 8

Step-by-step explanation:

We know that pi = 3.14*, or "3 and a little bit more". 25/8=3.125 which is approximately pi.

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HELPPPPPPP PLSSSSSSSSS
Rainbow [258]

Answer:

c

Step-by-step explanation:

c. j = a + 5

such that 7 = 2 +5

8 0
2 years ago
2) (a^3-2a)-(3a^2-4a^3
mylen [45]

Answer:

a x (a2-2)

Step-by-step explanation:

the 2 is supposed to be above the a I don't know how to that while typing.

5 0
3 years ago
Twice the sum of a number is 9 is equal to three times the difference of the number and 7
soldi70 [24.7K]
First, write put the information into an equation

2*(x+9) = 3*(x-7)

distribute the 2 and 3
2x + 18 = 3x - 21

Combine like terms (Xs and munbers) (in this case, it's easier to add 15 to both sides and subtract 2x from both sides so both sides end up being positive)
33 = x

x=33
3 0
3 years ago
Read 2 more answers
Which relationship would most likely have a positive correlation?
tiny-mole [99]

Answer:

C.

Step-by-step explanation:

The only thing to do here is just check all of the answers.

A makes no sense, as the number of keys on a keyboard doesn't affect the amount of memory in a computer at all (no correlation).

B makes a bit more sense, but it's still wrong. If a train travels faster, it gets places quicker, or the time goes down. If (If one goes up, the other goes down) is true, then you have negative correlation.

C makes the most sense, as if there's more people at a game, then those more people will probably buy more hot dogs. If (If one goes up, so does the other) is true, then you have positive correlation, which is what we want.

4 0
3 years ago
Are the equations sometimes, always, or never true?
AURORKA [14]
15 + 2x - 4 = 9x + 11 - 7x
2x + 11 = 2x + 11
always true

2x + 3(4x - 1) = 2(5x + 3) + 4x
2x + 12x - 3 = 10x + 6 + 4x
14x - 3 = 14x + 6
never true
4 0
3 years ago
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