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Brilliant_brown [7]
2 years ago
7

Help me pleasee;) ..

Mathematics
1 answer:
harkovskaia [24]2 years ago
5 0
The answer for A . 2/3
The answer for B. 1 1/4


Explain


4 pound of flout / 6 loaves


4/6

The common for both number is 2


Divide by 2

4/2 = 2

6/2 = 3



And for b

Here the picture

Below

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Suppose 40% of all college students have a computer at home and a sample of 64 is taken. What is the probability that more than
Art [367]

Answer:

0.13093

Step-by-step explanation:

Give. That :

Population mean = 40% = 0.4

Sample size (n) = 64

Probability that more than 30 have computer at home

Mean = np = 64 * 0.4 = 25.6

Standard deviation = sqrt(n*p*(1-p)) = 3.919

P(x > 30)

USing the relation to obtain the standardized score (Z) :

Z = (x - m) / s

Z = (30 - 25.6) / 3.919 = 1.1227353

p(Z < 1.122) = 0.13093 ( Z probability calculator)

6 0
2 years ago
Which function below is the inverse of f(x) = x^2-9
USPshnik [31]
To find the inverse
replace f(x) with y
switch all x and y
solve for y
replace y with f⁻¹(x)

f(x)=x^2-9
y=x^2-9
x=y^2-9
x+9=y^2
sqrt both sides
\sqrt{x+9}
replace
f⁻¹(x)=\sqrt{x+9}

that is the inverse
5 0
3 years ago
The coordinates of the vertices of a polygon are The coordinates of the vertices of a polygon are (-5,1).(-1,3).(2,3) (2, - 2) (
eduard

Answer:

the answer is ≊20.4 I think not 100% sure

Step-by-step explanation:

if right please mark this answer brainliest

8 0
3 years ago
For the graph Y equals 1 find slope of a line that is perpendicular to it in the slope of a line parallel to it
marishachu [46]

Answer:

The answer is Undefined (∞).

Step-by-step explanation:

The line y = 1 has a slope of 0, and the line parallel to it, for instance, y = 3, has the same slope, m1 = 0. For the slope of the line perpendicular to that parallel line is m2 = -1/m1, which is -1/0 = ∞

4 0
2 years ago
The original price of a picnic table is $77.80 the sale is 40% off. What is the sale price?
Ivenika [448]

Answer:

46.68

Step-by-step explanation:

5 0
2 years ago
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