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zaharov [31]
4 years ago
12

Enter numbers to evaluate -5 -5 – 7 = -5 +

Mathematics
1 answer:
koban [17]4 years ago
8 0

Answer:

-12 maybe?

Step-by-step explanation:

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Which are the solutions of the quadratic equation? x2 = 9x + 6
r-ruslan [8.4K]

we have

x^{2}=9x+ 6

Group terms that contain the same variable, and move the constant to the opposite side of the equation

x^{2}-9x=6

Complete the square. Remember to balance the equation by adding the same constants to each side

x^{2}-9x+4.5^{2}=6+4.5^{2}

x^{2}-9x+20.25=6+20.25

x^{2}-9x+20.25=26.25

Rewrite as perfect squares

(x-4.5)^{2}=26.25

(x-4.5)=(+/-)\sqrt{26.25}\\ \\x1=4.5+\sqrt{26.25}=9.623\\x2=4.5-\sqrt{26.25}=-0.623

therefore

<u>the answer is</u>

x1=4.5+\sqrt{26.25}=9.623

x2=4.5-\sqrt{26.25}=-0.623

7 0
3 years ago
Read 2 more answers
How to write .0000321 in scientific notation?
liberstina [14]
Scientific notation that's involved with numbers less than one, should always be counted from left to right. Count starting from the decimal until the first number you "jump over". What are you counting exactly?- the number of digits between the decimal and the first 'number' other than zero.

0.0000321 can be also written as 3.21*10^-5 (or 10 with a negative 5 exponent)
Hope this helps.
5 0
3 years ago
Goal
morpeh [17]

The development of the personal budget that convinces parents that one can maintain an independent living is detailed as follows using the 50: 30: 20 rule:

50% for necessities (housing, food, transportation, utilities) $740

30% for luxuries, savings, vacations, entertainment, etc. $461

20% for Emergency Funds and Retirement $335

<h3>What is a personal budget?</h3>

A personal budget is the household budget for a single person for a period.

The personal budget shows an estimate of the person's revenue and expenses over the period.

<h3>Data and Calculations:</h3>

Hourly rate of earnings = $12

Working hours per week = 40 hours

Working hours per month = 160 hours (40 x 4 weeks)

Total monthly earnings = $1,920 ($12 x 160)

Assumed tax rate = 20%

After-tax take-home pay = $1,536 ($1,920 x 1 - 20%)

<h3>Monthly Necessities:</h3>

Rent of apartment = $300

Heating = $40

Water cost = $20

Sewage bill = $10

Food = $300

Transportation = $50

Other costs = $20

Total cost for necessities = $740

Thus, the development of the personal budget shows that one can maintain an independent living from the parents as a single person.

Learn more about personal budgets at brainly.com/question/1943261

#SPJ1

6 0
2 years ago
I need help is it A B C or D
Georgia [21]
The answer is D. When a function is translated to the right it will be negative bc its inverse. and to the left it will be positive. When its left to right its inside the function and up and down is outside the function 
5 0
4 years ago
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By selling a Rikshaw for rupees 2640 Ram loses 12% at what price should be sell it to gain 12% ​
Galina-37 [17]

Answer: Rikshaw bought it for 100. He lost 12% on selling it, so that means he must have sold it for 88. He wants to make 12% profit, so that means he should have sold it at 112.

But we know that he sold it for 2640.

Therefore, if 88 = 2640, 112 would be 2640*112/88 = 3360.

3 0
3 years ago
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