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2 years ago

What are the Solutions to the quadratic equation 40-x^2=0

Mathematics

2 answers:

chubhunter [2.5K]2 years ago

8 0

Answer:

the answer will be number two x=+4 $\sqrt 20$

Step-by-step explanation:

if u can brainliest plsss

Vitek1552 [10]2 years ago

6 0

Answer:

A. x= ±2√10

Step-by-step explanation:

subtract 40 from each side

divide each side by the negative

take the square root of both sides

simplify the square root of 40

±2√10

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Kyle spend 1/5 of his money on clothing. He had 120 remaining. What was the cost of the clothes Kyle bought

svet-max [94.6K]

Hi! Kyle had 4/5 of him money remaining which is $ 120 so the total amount of money he had was $150. So the cost of the clothes was $30

6 0

2 years ago

MATH HELP

elena-s [515]

The equation of line perpendicular to given line is:

$y = \frac{2}{3}x-1$

Step-by-step explanation:

Given equation is:

$3x+2y = -8$

First of all, we have to find the slope of the given line

So,

$3x+2y = -8\\2y = -3x-8\\$

Dividing both sides by 2

$\frac{2y}{2} = \frac{-3x-8}{2}\\y = \frac{-3x}{2} - \frac{8}{2}\\y =-\frac{3}{2}x-4$

As the equation is in slope-intercept form, the co-efficient of x will be the slope of the line

$m_1 = -\frac{3}{2}$

As we know that product of slopes of two perpendicular lines is -1

Let m-2 be the slope of line perpendicular to given line

$m_1.m_2 = -1\\-\frac{3}{2} . m_2 = -1\\m_2 = -1 * -\frac{2}{3}\\m_2 = \frac{2}{3}$

Slope-intercept form is:

$y = m_2x+b$

putting the value of the slope

$y = \frac{2}{3}x+b$

Putting the point (3,1) in the equation

$1 = \frac{2}{3}(3) +b\\1 = 2 + b\\b = 1-2\\b = -1$

Putting the value of b

$y = \frac{2}{3}x-1$

Hence,

The equation of line perpendicular to given line is:

$y = \frac{2}{3}x-1$

Keywords: Slope-intercept form, slope

Learn more about equation of line at:

#LearnwithBrainly

8 0

2 years ago

832 x156 show your work

Sedaia [141]

Answer:

129792

Step-by-step explanation:

156

× 832

----------

312

468

+ 1248

---------------

129792

6 0

1 year ago

Please help i don’t understand this

avanturin [10]

Answer:

Step-by-step explanation:

The solution is in the attached file

3 0

2 years ago

ASAP GUYS PLEASE I NEED UR HELP THIS IS SO HARD<br> Solve: 5 − 7 ( z + 1 ) = 7 ( − 9 − 3 z )

pantera1 [17]

Answer:

$-\frac{61}{14}$

Step-by-step explanation:

Question: 5 - 7(z+1) = 7(-9-3z)

We multiply the number in front of the bracket first, since that is multiplication.

--> 5 -7z -7 = -63 - 21z

--> -7z -2 = -63 - 21z

Now, we move all the z and all the numbers to each side.

--> -7z +21z = -63 +2

--> 14z = -61

--> z = -61/14

This cannot be simplified further, so z is -61/14.

6 0

1 year ago

Read 2 more answers

What are the Solutions to the quadratic equation 40-x^2=0​

What are the Solutions to the quadratic equation 40-x^2=0