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elixir [45]
3 years ago
7

(Please someone help me!) (No links!) What do I do!

Mathematics
1 answer:
Eddi Din [679]3 years ago
6 0

Answer:

a: 30 b: -7 c. -11

Step-by-step explanation:

a. (3)(-5)(-2)

Which is 3x-5x-2:

3x-5 is -15

-15x-2=30

b. -5-2=-7

c. 3(-2)+-5

-6+-5=-11

Hence, the correct answers are 30,-7,-11

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The data obtained from a random sample of track athletes showed that as the foot size of the athlete decreased, the average runn
Rufina [12.5K]

Answer:

The correct option is;

(3) The sample of track athletes show that there is a correlation between foot size and running speed

Step-by-step explanation:

The statements are analysed as follows;

(1) Smaller foot sizes cause track athletes to run slower.

The above statement is a conclusion and it infers more information than is contained in the question statement because there are other factors such as taller athletes run faster than average sized athletes

(2) The sample of track athletes shows a causal relationship between

foot size and running speed.

The above statement is similar to the one above as it is a milder conclusion and it infers more information than is contained in the question statement

(3) The sample of track athletes shows a correlation between foot size

and running speed.

The  above statement is correct as is directly supported by the data as it is a statement made based directly the data

(4) There is no correlation between foot size and running speed in

track athletes.

The above statement is not supported by the available data.

3 0
4 years ago
Please help me I'm so bad at math and doing AFDA really doesn't help..
Mama L [17]

Answer:

4x²√4√6√x⁶√x

Step-by-step explanation:

4x²√(24x⁷)

The above expression can be simplified as follow:

4x²√(24x⁷)

Recall

√(MN) = √M × √N = √M√N

Thus,

4x²√(24x⁷) = 4x²√24√x⁷

But:

√24 = √(4×6) = √4√6

√x⁷ = √x⁶√x

Thus,

4x²√24√x⁷ = 4x²√4√6√x⁶√x

Therefore,

4x²√(24x⁷) = 4x²√4√6√x⁶√x

4 0
3 years ago
A bird flies 2/3 of a mile per a minute. How many miles per an hour is it flying?
Archy [21]

Answer: 40

Step-by-step explanation:

maybe

7 0
3 years ago
Three tenths of what number is 156?
tatiyna

Answer:

520

Step-by-step explanation:

If this answer helped you then please consider marking this as brainliest and like this respone :)

7 0
3 years ago
Read 2 more answers
Which shows 53^2-47^2 being evaluated using the difference of square method
tia_tia [17]
I think it would be the last one from my calculations im not positive but its what makes sense.
 
4 0
4 years ago
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