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Naddika [18.5K]
3 years ago
9

Solve equation by using the quadratic formula. 2x2 + 13x = 0

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
5 0
THE answer is 17 because 2X2= 4+13= 17
Your Welcome :D
Mrac [35]3 years ago
4 0
The answer is 17 because 2•2 = 4+13=17
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Need to find the solution please help 3 questions
aalyn [17]

Answer: A. a = -12   B. b = 4   C. c = -1

Step-by-step explanation:

a negative times a negative is a positive

a negative time a positive is negative

4 0
3 years ago
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By decreasing each side of a rectangle by 1 unit, the area decreased from 60 square feet to 44 square feet. Find the perfect dec
rewona [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

Below is the solution:

<span>60 - 44 = 16
</span><span>16/60 = .2666
</span>to round of .267 

convert .267 to percentage by multiplying 100 

<span>.2667 x 100% = 26.67%
</span>

3 0
3 years ago
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Which is an equation of a circle with center (2, −10) and radius 3
stepladder [879]
(x - a)^2 + (y - b)^2 = r^2 is a circle with centre at (a, b) and radius of r
The correct answer is (x - 2)^2 + (y + 10)^2 = 9 ie the first one
6 0
3 years ago
How do you simplify fractional exponents? 45m^2/47m^5
harina [27]

Answer:

\frac{45}{47m^3}

Step-by-step explanation:

Given the following question:

\frac{45m^2}{47m^5}

In order to simplify fractions with exponents we simply subtract the exponents.

\frac{45m^2}{47m^5}
5-2=3
\frac{45}{47m^3}

Hope this helps.

4 0
2 years ago
Find the range of the given function y = 5x - 4, where x &gt; 6.
statuscvo [17]

Given:

The function is:

y=5x-4

where x>6.

To find:

The range of the given function.

Solution:

Range is the set of output values.

We have, x>6. It means the value of x is greater than 6 but not equal to 6.

The function is

y=5x-4

Putting x=7, we get

y=5(7)-4

y=35-4

y=31

Putting x=8, we get

y=5(8)-4

y=40-4

y=36

Putting x=9, we get

y=5(9)-4

y=45-4

y=41

So, the range of the given function is {31, 36, 41...}.

Therefore, the correct option is B.

7 0
3 years ago
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