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Gekata [30.6K]
3 years ago
7

Urgent math help needed will mark brainliest

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0

wage = $9 + $0.75(month <em>after the first month</em>)

⇒ w = 9 + 0.75(m - 1)

    w = 9 + 0.75(11 - 1)

    w = 9 + 0.75(10)

     w = 9 + 7.50

     w = 16.50

Answer: D

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PLEASE HELP!!! A group has at most $140 to spend on an event space. The inequality 15h + 40 140 represents the cost to rent the
Zielflug [23.3K]

9514 1404 393

Answer:

  h ≤ 6 2/3

Step-by-step explanation:

The inequality is presumed to be ...

  15h +40 ≤ 140

  15h ≤ 100

  h ≤ 6 2/3

__

The graph shows h ≥ 0, because the inequality is only reasonable for h ≥ 0.

3 0
3 years ago
According to the WHO report, girls who are 2-years old have a mean head circumference of 47.18cm with a standard deviation of 1.
Verdich [7]

Answer:

1. z = -1.91429

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. 2.7792%

Step-by-step explanation:

1. Relative to the WHO data, what is this girls z-score?

z score formula is:

z = (x-μ)/σ, where

x is the raw score = 44.5 cm

μ is the population mean = 47.18cm

σ is the population standard deviation = 1.40cm

z = 44.5 - 47.18/1.40

z = -1.91429

What does the z score tell us?

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

2. Using the WHO data in a normal model, what percentage of the girls has a head circumference that is smaller than the girl with Down's Syndrome?

z score = -1.91429

Probability value from Z-Table:

P(z =-1.91429) = P(x<44.5) = 0.027792

Converting to percentage = 0.027792 × 100

= 2.7792%

6 0
3 years ago
Please help me thanks!​
lions [1.4K]
5 x 16 x 4 = 320 m^3
3 0
3 years ago
Y=x+1<br> y+x=5<br> Cant figure out what i am suppose to do with this problem
exis [7]

Answer:can you give me more detail

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Help me please thanks
mars1129 [50]

Answer:

x  <  − 5

The notation would be ( − ∞ ,  − 5 )

On the graph, you would put an open dot on -5 and an arrow continuing down it

7 0
3 years ago
Read 2 more answers
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