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aniked [119]
4 years ago
15

Math:Evaluate the expression using the order of operations.

Mathematics
1 answer:
tankabanditka [31]4 years ago
7 0

The picture below shows how to step by step

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let a,b,c,d be four integers (not necessarily distinct) in the set {1,2,3,4,5}. the no. of polynomials x^4+ax^3+bx^2+cx+d which
Eddi Din [679]
By either long or synthetic division, it's easy to show that

\dfrac{x^4+ax^3+bx^2+cx+d}{x+1}=x^3+(a-1)x^2+(-a+b+1)x+(a-b+c-1)-\dfrac{a-b+c-d-1}{x+1}

The quartic will be exactly divisible by x+1 when the numerator of the remainder term vanishes, or for those values of a,b,c,d such that

a-b+c-d-1=0

I'm not sure how to count the number of solutions (software tells me it should be 80), but hopefully this is a helpful push in the right direction.
8 0
3 years ago
Kiran's bank balance is $320. What is her new bank balance when she takes out $450​
____ [38]

Answer:

Take out means add so

Step-by-step explanation:

320 + 450 = 770$ her new bank balance

8 0
3 years ago
What is the value of x?
mihalych1998 [28]

Answer:

x = 16

Step-by-step explanation:

(x+2) + (7x+2) + (3x) = 180

<em>Add like terms</em>  

7x + x + 3x = 11x

2 + 2 = 4

11x + 4 = 180

<em>Subtract 4</em>

11x + 4 = 180

11x = 176

<em>Divide by 11</em>

11x = 176

x = 16

4 0
3 years ago
Suppose that 20% of the employees of a given corporation engage in physical exercise activities during the lunch hour. Moreover,
Harlamova29_29 [7]

Answer:

a) 0.152 = 15.2% probability that this person is a female who engages in physical exercise activities during the lunch hour.

b) 0.248 = 24.8% probability that this person is a female who does not engage in physical exercise activities during the lunch hour.

Step-by-step explanation:

Question a:

20% of employees engage in physical exercise.

This 20% is composed by:

8% of 60%(males)

x% of 100 - 60 = 40%(females).

Then, x is given by:

0.08*0.6 + 0.4x = 0.2

0.4x = 0.2 - 0.08*0.6

x = \frac{0.2 - 0.08*0.6}{0.4}

x = 0.38

0.38 = 38%

Probability of being a female who engages in exercise:

40% are female, 38% of 40% engage in exercise. So

0.38*0.4 = 0.152

0.152 = 15.2% probability that this person is a female who engages in physical exercise activities during the lunch hour.

B. If we choose an employee at random from this corporation,what is the probability that this person is a female who does not engage in physical exercise activities during the lunch hour?

40% are female, 100% - 38% = 62% of 40% do not engage in exercise. So

0.62*0.4 = 0.248

0.248 = 24.8% probability that this person is a female who does not engage in physical exercise activities during the lunch hour.

3 0
3 years ago
HELP!! (30 points) and brainlist
yarga [219]
1. 5.5 feet = 66 inches
2. 56.75 pounds = 908 ounces
5 0
3 years ago
Read 2 more answers
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