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maria [59]
3 years ago
5

Maya dropped her keys down a storm drain. Her hand was 1 meter above the ground when she dropped them. The keys fell 10 meters t

o the bottom of the drain. Which equation models the height of the keys in relation to ground level?

Mathematics
2 answers:
SOVA2 [1]3 years ago
4 0
A because it fell 10 meter but it was all ready 1 meter above the ground
Ganezh [65]3 years ago
3 0
A because 1-10 would be -9 and she was a meter above so positive but they descended 10 meters no negitve
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According to records in a large hospital, the birth weights of newborns have a symmetric and bell-shaped relative frequency dist
Kamila [148]

Answer:

15.9% of babies are born with birth weight under 6.3 pounds.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 6.8 pounds

Standard Deviation, σ = 0.5

We are given that the distribution of  birth weights is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(birth weight under 6.3 pounds)

P(x < 6.3)

P( x < 6.3) = P( z < \displaystyle\frac{6.3 - 6.8}{0.5}) = P(z < -1)

Calculation the value from standard normal z table, we have,  

P(x < -1) = 0.159 = 15.9\%

15.9% of babies are born with birth weight under 6.3 pounds.

8 0
2 years ago
the ratio of men and women in a certain factory is 3 to 4. there are 198 men. How many workers are there?
LUCKY_DIMON [66]

3 men

4 women

7 total


3 men/ 7 total = 198 men/ x total

using cross products

3*x = 7 * 198

divide each side by 3

x = 7*198/3

x = 462

There are 462 workers


If you mean 3 men and 1 women for a total of 4 workers when you state a  ratio of men and women in a certain factory is 3 to 4.

3/4 =198/x

Using cross products

3x = 4* 198

Divide each side by 3

3x/3 = 4*198/3

x =264

264 workers


It all depends on how you define ratio of men and women in a certain factory is 3 to 4.   This is incorrect phrasing and I took it to be men to women.   You cannot have a ratio of men and women.




5 0
3 years ago
Whats the decimal equivalent of 1\4
Vesnalui [34]
The decimal equivalent of 1/4 is 0.25.
7 0
3 years ago
PLEASE HURRY UP AND HELP ME NOW ASAP !
Advocard [28]

Answer:

D

Step-by-step explanation:

Linear Functions will never have curve lines in the graph.

8 0
3 years ago
Read 2 more answers
What is the solution to this system of equations?
Degger [83]

Answer:

Step-by-step explanation:

8 0
2 years ago
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