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ElenaW [278]
3 years ago
12

Plz help I need help

Mathematics
1 answer:
crimeas [40]3 years ago
4 0

Answer:

The answer is 30.66, mark me as brainliest

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Solving polynomial equations by factoring Solve: 1/2x^2+5x+25/2=0 Full explanation please, thanks
asambeis [7]

Answer:

x=-5

Step-by-step explanation:

1/2x^2+5x+25/2=0

Multiply each side by 2 to clear the fractions

2*(1/2x^2+5x+25/2)=0*2

Distribute

x^2+10x+25=0

What two numbers multiply together to give us 25 and add together to give us 10

5*5 = 25

5+5 =10

(x+5) (x+5) =0

Using the zero product property

x+5 =0  x+5 = 0

x+5-5= 0-5    x+5-5 =0-5

x=-5  x=-5

x=-5

3 0
3 years ago
Helpppppppppppppppppppppppppppppppppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Delicious77 [7]
I think the answer is 77
5 0
2 years ago
George had $6,000 in a savings account earning simple interest at a rate of 5% per year. At the end of the year, George paid 25%
Readme [11.4K]

Answer:

<em>$225</em>

<em></em>

Step-by-step explanation:

Given that:

Principal = $6,000

Interest rate = 5%

Time = 1 year

Taxes paid = 25% on the interest earned

To find:

Money earned after paying taxes ?

Solution:

First of all, let us calculate the total interest earned:

Formula for Simple Interest is given as:

SI =\dfrac{PRT}{100}

Where P is the principal

R is the rate of interest

T is the time taken

Putting the given values:

SI =\dfrac{6000 \times 5\times 1}{100} =\$300

Now, it is given that 25% of the interest earned is given as taxes.

Taxes paid = 25% of $300

\Rightarrow \dfrac{25}{100} \times 300 =\$75

Therefore, the money earned = Interest earned - Taxes paid

The money earned = $300 - $75 = <em>$225</em>

8 0
3 years ago
Andre has been practicing his math facts. He can now complete 135 multiplication
Maslowich
A. Andre can answer 1.5 facts per second.
135 : 90

b. Noah can answer 1.25 facts per second.
75 : 60

Andre is working faster.
8 0
3 years ago
What is the solution to the inequality |2n+5|&gt;1?
Yuliya22 [10]
ANSWER

n <  - 3 \: or \: n>  - 2



EXPLANATION



The given inequality is,

|2n + 5|  \:  >  \: 1


By the definition of absolute value,



- (2n + 5)  \:  >  \: 1 \: or \: (2n + 5) \:  >  \: 1



We divide through by negative 1, in the first part of the inequality and reverse the sign to get,

2n + 5 \:   <   \:  - 1 \: or \: (2n + 5) \:  >  \: 1

We simplify now to get,

2n   \:   <   \:  - 1 - 5 \: or \: 2n  \:  >  \: 1 - 5


2n   \:   <   \:  - 6 \: or \: 2n  \:  >  \:  - 4


Divide through by 2 to obtain,

n   \:   <   \:  - 3 \: or \: n  \:  >  \:  - 2


4 0
3 years ago
Read 2 more answers
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