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ser-zykov [4K]
3 years ago
6

It says to solve each proportion which I forgot how to do. Please help.

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
7 0
You have to divide denominator by numerator to find the constant of proportionality.
victus00 [196]3 years ago
3 0
You can cross multiply and then simply solve for x.
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Given f(x) = x − 7 and g(x) = x2 . Find g(f(4)). g(f(4)) =
Anastasy [175]

Hey!

Hope this helps...

~~~~~~~~~~~~~~~~~~~~~~

To solve this we will first find out what f(x) equals at the given point of 4, and than substitute that answer it for g(f(4))...

f(x) = x - 7

f(4) = 4 - 7 = -3

g(f(4)) = (x - 7)^2  >  -3^2 = 9

So...

The answer is: g(f(4)) = 9

3 0
4 years ago
Find the perimeter of this semi-circle with diameter,
yan [13]

Answer:

The answer to your question is  P = 17(π + 2) or 17π + 34

Step-by-step explanation:

Data

Diameter = 34 cm

Formula

P = rπ + 2r

Process

1.- Find the radius

radius = diameter / 2

radius = 34 / 2

radius = 17 cm

2.- Substitute the values in the formula

P = 17π + 2(17)

3.- Simplification

P = 17π + 34

4.- Factor

P = 17(π + 2)

7 0
3 years ago
A worn out bottling machine does not properly apply caps to 5% of the bottles it fills. If you randomly select 20 bottles from t
guajiro [1.7K]

Probability would been equal to 0.9841 if we randomly select 20 bottles it fills.

<h3>What is Probability ?</h3>

The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of the  positive results for the experiment with 'n' outcomes can also be represented by the symbol x. The probability of an event can be calculated using the following formula.

Probability(Event) = Positive Results/Total Results = x/n

Given,

n = 20

p = 0.05

Thia information gives information about binomial distribution with parameter n = 20 , p = 0.05

Let X be the number of bottles have caps that she not properly applied

    X∝ B( n=20 , p= 0.05)

The p.m.f of X is

P( X=0)= (\frac{20}{x}) ( 0.05)ˣ (1 - 0.05)²⁰ ⁻ˣ

                                                       ; x = 0 , 1, 2.......20

                                                         0 < p < 1

                                                         q= 1 - p

= 0                                                    ; otherwise

P {x ≤ 3} = P { X = 0 } + P{ x= 1 } + P { x= 2 } + P { x= 3}

P( X=0)= (\frac{20}{0}) ( 0.05)⁰ (1 - 0.05)²⁰ ⁻⁰  = 0.3585

P( X = 1)= 0.3774

P( X= 2) = 0.1887

P( X= 3) = 0.0596

                = 0.3585+ 0.3774 +  0.1887+ 0.0596

                 = 0.9841

To know more about Probability, Visit:

brainly.com/question/11234923

#SPJ4

6 0
1 year ago
Reva is playing a bean-bag toss game. For each bag that misses the board, the player scores 8 points. Reva misses the board 4 ti
chubhunter [2.5K]

Answer:

a. -32

Step-by-step explanation:

5 0
3 years ago
The points (2,-2) and (-4,13) line on the graph of a linear function of x. Which point also lies on the graph of this function?
Tcecarenko [31]

Answer:

(0, 3) lies on the line joining (2, -2) and (-4, 13).

Step-by-step explanation:

The equation of the line joining the points (2, -2) and (-4, 13) is:

\frac{y+2}{13+2} =\frac{x-2}{-4-2}

\frac{y+2}{15} =\frac{x-2}{-6}

\frac{y+2}{5} =\frac{x-2}{-2}

-2(y + 2) = 5(x - 2)

-2y - 4 = 5x - 10

5x + 2y - 6 = 0

When we substitute x = 0 and y = 3,

5(0) + 2(3) = 0 + 6 = 6

So, (0, 3) lies on the line joining (2, -2) and (-4, 13).

3 0
3 years ago
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