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slava [35]
3 years ago
6

Eric’s average income for the first 4 months of the year is $1,450.25, what must be his average income for the remaining 8 month

s so that his average income for the year is $1,780.75?​
Mathematics
1 answer:
netineya [11]3 years ago
6 0
Too harddd sorryyybxnskzmskndjwjnekkks
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98-x2=0 solve this with the quadratic formula
Mars2501 [29]

Answer:

             x∈{-7√2, 7√2}

Step-by-step explanation:

98-x^2=0\\\\-x^2+98=0\\\\a=-1\,,\ \ b=0\,,\ \ c=98\\\\x_1=\dfrac{-0-\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{-\sqrt{4\cdot49\cdot2}}{-2}=\dfrac{-2\cdot7\sqrt{2}}{-2}=7\sqrt2\\\\x_2=\dfrac{-0+\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{2\cdot7\sqrt{2}}{-2}=-7\sqrt2

7 0
3 years ago
Find the circumference of the circle if the square has an area of 144 m. Give your answer to the nearest tenth. Use 3.14 for pie
frez [133]
Answer:

The circumference is 42.54
4 0
3 years ago
Sixty seven percent of the employees in a company have managerial positions, and 58 percent of the employees in the company have
Kazeer [188]

Answer: The proportion of employees who either have MBAs or are managers are 0.58.

Step-by-step explanation:

Since we have given that

Probability of employees having managerial positions = 67%

Probability of employees having MBA degrees = 58%

Probability of managers having MBA degrees = 67%

So, using probability formulas, we get that

P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\P(A\cup B)=0.67+0.58-0.67\\\\P(A\cup B)=0.58

Hence, the proportion of employees who either have MBAs or are managers are 0.58.

7 0
3 years ago
8,595 ÷ 24 answer please
MatroZZZ [7]

Answer:

358.125

Step-by-step explanation:

7 0
3 years ago
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The multipliers of this system of equations have been determined to create opposite terms of the y-variable.
sergiy2304 [10]

Answer:

-48

Step-by-step explanation:

i think im sorry if im wrong

5 0
3 years ago
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