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2 years ago

Graph the system of equations. {x -y = 6,

Mathematics

1 answer:

VMariaS [17]2 years ago

3 0

Y = x - 6
y = -4x + 4 :)

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What is the surface area of the square pyramid represented by the net below?

4vir4ik [10]

Answer:

64 cm^2

Step-by-step explanation:

Square: 4*4 = 16

Triangles: 4((4*6)/2))

= 4(24/2)

= 4(12)

= 48

Add the square and triangles together

= 16 + 48

= 64

The total will be 64 cm^2

6 0

3 years ago

What Number is X in this equation? <br><br> 9 - 3 ÷ 1/3 + 1 = X

mario62 [17]

Answer:

Step-by-step explanation:

Use PEMDAS to solve the equation, and you will get the answer 1 for x

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3 years ago

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The temperature of coffee served at a restaurant is normally distributed with an average temperature of 160 degrees Fahrenheit a

posledela

Answer:

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 160 degrees

Standard Deviation, σ = 5.4 degrees

We are given that the distribution of temperature of coffee is a bell shaped distribution that is a normal distribution.

Formula:

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

We have to find the value of x such that the probability is 0.2

$P( X < x) = P( z < \displaystyle\frac{x - 160}{5.4})=0.2$

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

$\displaystyle\frac{x - 160}{5.4} = -0.842\\\\x = 155.4532$

Thus,

$P_{20}=155.4532$

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

7 0

2 years ago

I needdd helpp :)))))

NeTakaya

I can’t see the scenario on top so can’t rlly help u out sorry

3 0

2 years ago

What number is represented by point B?

enot [183]

It’s either a or b i’m not sure

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2 years ago

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