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skad [1K]
3 years ago
14

Which expression results from using the Distributive Property to rewrite -9.1 (−4) − 9.1 (12)?

Mathematics
1 answer:
swat323 years ago
6 0

For this case we have that by definition, distributive property is defined as:

a (b + c) = ab + ac

We have the following expression:

-9.1 (-4) -9.1 (12)

Taking common factor -9.1 we have:

-9.1 (-4 + 12)

Thus, the correct option is option B.

Answer:

Option B

-9.1 (-4 + 12)

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Zucchini weights are approximately normally distributed with mean 0.8 pound and standard deviation 0.25 pound. Which of the foll
Charra [1.4K]

Answer:

0.81859

Step-by-step explanation:

We solve using z score method

The formula for calculating a z-score is is z = (x-μ)/σ,

where

x is the raw score

μ is the population mean

σ is the population standard deviation.

Mean 0.8 pound

Standard deviation 0.25 pound

For x = 0.55 pound

z = 0.55 - 0.8/0.25

= -1

Probability -value from Z-Table:

P(x = 0.55) = 0.15866

For x = 1.3 pounds

Z = 1.3 = 0.8/0.25

= 2

Probability value from Z-Table:

P(x = 1.3) = 0.97725

The probability that a randomly selected zucchini will weigh between 0.55 pound and 1.3 pounds is

P(x = 1.3) - P(x = 0.8)

0.97725 - 0.15866

0.81859.

6 0
3 years ago
if you have an accurate, complete scale drawing and the scale, which measurements of the objects of the drawing can you find
devlian [24]
Do you have answer choices?
7 0
3 years ago
The left side of a solid block is held at a constant temperature of 200°C. The temperature profile within the block is given by
Nikitich [7]

Answer:

with T = 50⁰C, we have:

50 = 200 - 5x - x²

<=> x² + 5x = 150

<=> x² + 5x - 150 = 0

=> x = 10

6 0
3 years ago
Analyze the diagram below and complete the instructions that follow.<br> 550<br> 450
svetlana [45]

Answer:

130 degrees

Step-by-step explanation:

let the angle be x

2x+45+55=360(Sum of angles in quad)

2x=260

x=130

6 0
3 years ago
How do you make a function
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This site will tell you how https://sciencing.com/write-functions-math-8315770.html
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