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2 years ago

What is the value of x?

Mathematics

2 answers:

LenKa [72]2 years ago

7 0

Answer:

Step-by-step explanation:

X=15

xz_007 [3.2K]2 years ago

4 0

Answer:

x = 15

Step-by-step explanation:

You might be interested in

What is it plz answer

Masteriza [31]

The answer is the second one

7 0

2 years ago

The slope-intercept form given (6,-5) & perpendicular to -5x - 7y = -17.

tatuchka [14]

Answer:

$y=\dfrac{7}{5}x-\dfrac{67}{5}$

Step-by-step explanation:

Slope-intercept form of a linear equation:

$y=mx+b$

where:

m is the slope.
b is the y-intercept.

Rearrange the given equation so that it is in slope-intercept form:

$\implies -5x-7y=-17$

$\implies -7y=5x-17$

$\implies y=-\dfrac{5}{7}x+\dfrac{17}{7}$

Therefore, the slope of the given equation is -⁵/₇.

If two lines are perpendicular to each other (at right angles), the product of their slopes will be -1. Therefore, their slopes will be negative reciprocals of each other.

Therefore, the slope of the line perpendicular to the given equation is:

$\sf m=\dfrac{7}{5}$

Substitute the found slope and the given point (6, -5) into the slope-intercept formula and solve for b:

$\implies -5=\dfrac{7}{5}(6)+b$

$\implies -5=\dfrac{42}{5}+b$

$\implies b=-\dfrac{67}{5}$

Substitute the found slope and the found value of b into the slope-intercept formula to create the equation for the perpendicular line:

$\implies y=\dfrac{7}{5}x-\dfrac{67}{5}$

Learn more about slope-intercept form here:

brainly.com/question/27317293

brainly.com/question/27926846

8 0

1 year ago

The measure of 5 of the interior angles of a hexagon are 110, 120, 90, 140, and 125. what is the measure of the smallest exterio

Romashka-Z-Leto [24]

Answer:

A) 40

Step-by-step explanation:

The sum of the interior angles of a regular polygon is:

$(n - 2) \times 180$

For a hexagon, we put n=6

$(6 - 2) \times 180 = 4 \times 180 = 720$

Let x be the 6th interior angle, then

$x + 110 + 120 + 90 + 140 + 125 = 720$

$x + 585 = 720$

$x = 720 - 585 = 135$

The largest interior angle is 140°

Therefore the least exterior angle will be:

$180 - 140 = 40$

The correct choice is A

7 0

2 years ago

a maximum speed, and airplane travels 2460 miles against the wind in 6 hours. flying with the wind, the plane can travel the sam

Dmitry [639]

I'm assuming you want to find the wind speed.

the ground speed against the wind is 410.
2460 / 6 = 410

the ground speed against the wind is 492.
2460 / 5 = 592

the difference is 82 mph, but you need to divide by 2 because speed is being added in one direction and subtracted in the other.

82 / 2 = 41

your final answer is 41 mph.

7 0

3 years ago

Read 2 more answers

Can someone please help explain how to do this. Solve the inequality: 4 - x < 9

ladessa [460]

Answer:

x > -5

Step-by-step explanation:

4-x < 9

-x < 9-4

-x < 5

x > -5