All categories

4 years ago

What are the solutions to the equation x- 7/x = 6 ?

Mathematics

2 answers:

OLEGan [10]4 years ago

7 0

Answer:none of these.

Try to substitute any of the given values for x and the result is false

Step-by-step explanation:

Try x=1. 1-7 -6. Divide that by 1 and you get -6 = 6. False!

To solve the given equation, multiply sides by x to cancel the denominator. You get x-7 = 6x then subtract x from both sides to get -7=5x. Divide both sides by 5 to get x= -7/5

But if the original equation has an x^2 somewhere, there will be a different set of solutions.

ahrayia [7]4 years ago

3 0

Answer:

x=-1 and x=7

Step-by-step explanation:

You might be interested in

Can someone help me again pleaseeee :')

GenaCL600 [577]

The answer is I because S is at -2 and T is at 4.

7 0

3 years ago

Given A = {x | x < 1}, B = {x | x ≥ 5}, and C = {x | x = 5} Select all that are true:

ladessa [460]

Answer:

A ∩ B = The empty set

A U C = {x│x < 1 or x = 5}

B ∩ C = {x│x=5}

3 0

3 years ago

Given rs || qp, what is the value of x?

myrzilka [38]

In the given figure,

Angle 108° + 12x = 180°

because they for pair of co- interior angles which are supplementary.

so,

$12x + 108\degree = 180\degree$

$12x = 180\degree - 108\degree$

$12x = 72\degree$

$x = \dfrac{72\degree}{12}$

$x = 6\degree$

hence , value of x = 6°

5 0

3 years ago

Read 2 more answers

A gas station charges $6.00 for a car wash. At the same gas station, gas costs

Darina [25.2K]

12 gallons $3.75 per gallon times 12 equals 45 plus 6 which is the car wash amount it’s $51.

7 0

3 years ago

I need help with this problem. Given: BC = 10 inches AC = √50 inches m∠CBD = 60° m∠CAD = 90° Calculate the exact area of the sha

Nikitich [7]

Answer:

Area of the shaded region = 23.33 in²

Step-by-step explanation:

Area of a sector = $\frac{\theta}{360}(\pi r^{2})$

Where θ = Central angle subtended by an arc

r = radius of the circle

Area of the sector BCD = $\frac{60}{360}(\pi) (10^{2})$

= 52.36 in²

Area of equilateral triangle BCD = $\frac{\sqrt{3} }{4}(\text{Side})^2$

= $\frac{\sqrt{3} }{4}(10)^2$

= $25\sqrt{3}$ in²

= 43.30 in²

Area of the shaded portion in ΔBCD = 52.36 - 43.3

= 9.06 in²

Area of sector CAD = $\frac{90}{360}(\pi)(\sqrt{50})^2$

= 39.27 in²

Area of right triangle CAD = $\frac{1}{2}(\text{Base})(\text{Height})$

= $\frac{1}{2}(\text{AC})(\text{AD})$

= $\frac{1}{2}(\sqrt{50})(\sqrt{50})$

= 25 in²

Area of the shaded part in the ΔACD = 39.27 - 25

= 14.27 in²

Area of the shaded part of the figure = 9.06 + 14.27

= 23.33 in²

8 0

3 years ago