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IRISSAK [1]
3 years ago
15

The workers leave the lights on in the break room for stretches of about 3 hours.

Mathematics
1 answer:
Pie3 years ago
4 0

Answer:

Halogen

Step-by-step explanation:

Halogen is a little more efficent but not as efficient as LED lighting.

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What is the sum of the polynomials (-x^2+9)+(-3x^2-11x+4)
Marta_Voda [28]
You can just add the terms:

<span>(-x^2+9)+(-3x^2-11x+4) = -4x</span>² - 11x + 13
6 0
3 years ago
Read 2 more answers
Another bowler, Ryan Shafer, has a mean absolute deviation of 5. Based on the mean absolute deviation of Norm Duke, who has been
Wewaii [24]

Answer:

Ryan is a more consistent performer

Step-by-step explanation:

The complete question is

HEL 1. Shown are the final scores for Norm Duke in the past eight bowling tournaments.

299, 281, 285, 269, 280, 269, 286, 287

Part A: What is the mean absolute deviation of Norm Duke’s scores?

A.

7.50

B.

7.00

C.

7.25

D.

6.75

Part B: Based on the mean absolute deviation from Part A, who has been the more consistent bowler if Ryan Shafer has a mean absolute deviation of 7?

Solution

First we will find the mean deviation of Duke is 7.5

The standard deviation of Ryan is 7.0. This means that the average variation in case of Duke is higher than that of average variation of Ryan.

Hence, Ryan has been more consistent performer

4 0
2 years ago
The temperature is −18.2 Celsius in South Dakota and -9.7 Celsius Minnesota. Which one of the following inequalities correctly c
andrezito [222]

Answer:

A and A

Step-by-step explanation:

please mark brainliest.

6 0
2 years ago
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Express in exponential form 200×75​
GREYUIT [131]

Do you mean exponential form as in scientific notation or as in prime factorization.

Now matter I will do both.

As in scientific notation.

200*75

=150*100

=1.5*10000

=1.5*10^4

As in prime factorization.

200*75

=2^3*5^2*3*5^2

=2^3 * 3 * 5^4

Do the one your teacher ask for :) Hope it helps!

6 0
3 years ago
What is the answer to 5 3x + 12- 6x = -9
Katarina [22]

Answer:

x=-21/47

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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