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2 years ago

Need to figure out a math problem and it’s is x2 squared =225 what’s the answer

Mathematics

1 answer:

DanielleElmas [232]2 years ago

8 0

Answer:

if it is x2 squared x=15

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Give the equation of a line that goes through the point ( − 21 , 2 ) and is perpendicular to the line 7 x − 4 y = − 12 . Give yo

nlexa [21]

Given:

Equation of line $7x-4y=-12$ .

To find:

The equation of line that goes through the point ( − 21 , 2 ) and is perpendicular to the given line.

Solution:

The given equation of line can be written as

$7x-4y+12=0$

Slope of line is

$\text{Slope}=-\dfrac{\text{Coefficient of x}}{\text{Coefficient of y}}$

$m_1=-\dfrac{7}{(-4)}$

$m_1=\dfrac{7}{4}$

Product of slopes of two perpendicular lines is -1. So, slope of perpendicular line is

$m_1m_2=-1$

$m_2=-\dfrac{1}{m_1}$

$m_2=-\dfrac{4}{7}$ $[\because m_1=\dfrac{7}{4}]$

Now, the slope of perpendicular line is $m_2=\dfrac{4}{7}$ and it goes through (-21,2). So, the equation of line is

$y-y_1=m_2(x-x_1)$

$y-2=-\dfrac{4}{7}(x-(-21))$

$y-2=-\dfrac{4}{7}x-\dfrac{4}{7}(21)$

$y-2=-\dfrac{4}{7}x-12$

$y=-\dfrac{4}{7}x-12+2$

$y=-\dfrac{4}{7}x-10$

Therefore, the required equation in slope intercept form is $y=-\dfrac{4}{7}x-10$ .

7 0

2 years ago

A coyote can run at top speed at 44 miles per hour how far can it run in 15 minutes

elena-14-01-66 [18.8K]

15 min is 1/4 of an hour so it can run 44x 1/4 or 44/4 =11miles in 15 min

7 0

2 years ago

Read 2 more answers

Help i have no idea how to solve this

ASHA 777 [7]

Answer:

AB =24

Step-by-step explanation:

So, since all the sides are equal, you can just take two of the sides and set em equal to each other to find x and then, solve for AB

4x+8 =6x

8= 6x-4x

8=2x

8/2 =x

x= 4

Now, find AB, which is 4x+8

4(4) + 8

16+8 = 24

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

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2 years ago

Onde que eu tô? kkkkkkkkkkkkkkkkk

slamgirl [31]

Answer:

what does it mean? can you translate it

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2 years ago

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Dos rectas son paralelas, una de ellas es 3x+2y−4=0 y la otra pasa por el punto (4,5); Encuentra la ecuación general de la otra

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Step-by-step explanation:

la respuesta está en la imagen de arriba .si necesita ayuda, no dude en preguntar

8 0

2 years ago