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Nat2105 [25]
3 years ago
13

Hoshi walks 10 meters in 3 seconds, at this rate, how long will it take her to walk 100 meters?

Mathematics
1 answer:
pav-90 [236]3 years ago
4 0
It will take her 30 seconds
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X2+4x+3 can someone explain ?
Katyanochek1 [597]

Answer:

Factor: (x+1) (x+3)

Step-by-step explanation:

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3 years ago
A national news channel reported that there is no difference between the average earnings of women and men in computer and mathe
Ulleksa [173]

Answer:

Step-by-step explanation:

sample size ( n ) = 2500 women ( computer and mathematical occupations )

Average earnings of sample ( X )= $75000 / year

standard deviation ( s )= $9500

a) knowing that the average earnings of men are $89,000/year,  the null and the alternative hypotheses that the average earnings of women match the average earnings of men in the population.

Given ; Ц = $89000

Null hypothesis ( H0) : Ц = $89000

Alternative hypothesis ( H1 ) : Ц ≠ $89000

The test is : one sample t test hypothesis

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4 0
2 years ago
The veterinarian told Hector that his 8-inch puppy would get no taller than 24 inches. Write and solve an inequality to find how
vladimir1956 [14]

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8<x>24

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It grow greater than 8 but less than 24.

If you're still not getting it ask me in the comments below.

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3 0
2 years ago
2 1/2 - 4 1/4 any one know what this answer is please help
MaRussiya [10]

Answer:

=5/2 - 17/4

=10/4 - 17/4

= -7/4

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7 0
2 years ago
How do i simplify 2a x 3b x 4c
AlekseyPX
In the expression <span>2a x 3b x 4c,
2, 3 and 4 are the coefficients and a, b and c are the variables.
When such a multiplications is given, multiply the coefficients together and the variables together.

So the product of coefficients = 2</span>×3×4 = 24
the product of variables = a×b×c = abc

Finally multiply the  product of coefficients and  product of variables.
Final product = 24×abc = 24abc

So <u>24abc</u> is the answer.
6 0
3 years ago
Read 2 more answers
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