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tamaranim1 [39]
3 years ago
15

Marcie wants to find the total number of students with black hair in the freshman class at her school. She has observed 5 of the

9 freshman homerooms. The graph shows the number of students
with black hair she has counted so far. Based on this information, which is the best protection of the total number of students with black hair and then 9 freshman homerooms at Marcie's school?
Mathematics
1 answer:
Tasya [4]3 years ago
8 0

Answer: 1/8

Step-by-step explanation: 9/5 = 1/8

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I need to create my own area word problem for extra credit (algebra 1)
vichka [17]
Bob has a garden
the area is 75 square feet
the legnth is 3 times the width
solve
75=lw
l=3w
subsitute
75=3w times w=3w^2
75=3w^2
sdivide by 3
25=w^2
square root
5=width
subsitute
3w=l
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3 0
3 years ago
The model A CDs burner burns 60 minutes of data in about 1.15 minutes. The model B CD burner Burns 60 minutes of data inanity 1.
Ivanshal [37]
1.15/3 = 20 minutes worth = 0.383
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5 0
3 years ago
Suppose that true average price of a beer at professional sporting events in the US is $6. You attend 34 events and find an aver
aniked [119]

Answer: The standard error for sample is 0.0686 .

Step-by-step explanation:

We know that the formula to find the standard error is given by :-

S.E.=\dfrac{s}{\sqrt{n}}

, where s = standard deviation

n= Sample size

As per given , we have

s=  $0.4  and n= 34

Then , the standard error for sample is given by :-

S.E.=\dfrac{0.4}{\sqrt{34}}=\dfrac{0.4}{5.83095189485}\\\\=0.0685994340569\approx0.0686

Hence , the standard error for sample is 0.0686 .

5 0
4 years ago
Maya bought 8 chicken wings for $8.80. If Maya spent $25.30, how many chicken wings did she buy?
Slav-nsk [51]

Answer:

23

Step-by-step explanation:

5 0
4 years ago
Write a linear function f with the values f (0) =4 and f (3)= -8
Assoli18 [71]
(0,4) and (3,-8) has segment of slope -8-4 / 3-0 = -12/3 = -4. y intercept is given to us as 4

equation is

y-4=-4(x) in point slope form
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y=-4x+4 in slope intercept form
4x+y=4 in standard form
4 0
3 years ago
Read 2 more answers
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