All categories

2 years ago

Please help me

Mathematics

1 answer:

Inga [223]2 years ago

5 0

Answer:

Step-by-step explanation:

All real numbers are solution

Step 1: Simplify both sides of the inequality.

8x−7<8x−3

Step 2: Subtract 8x from both sides.

8x−7−8x<8x−3−8x

−7<−3

Step 3: Add 7 to both sides.

−7+7<−3+7

0<4

hope this help:)

You might be interested in

Which of these is equal to 5 (8 – t)? A) 5t - 40 B) 5t + 40 C) t - 40 D) 40 - 5t

Aneli [31]

Answer:

D) Is the correct answer 40 - 5t

Step-by-step explanation:

I hope that help's

6 0

3 years ago

Read 2 more answers

Show that an implicit solution of 2x sin2(y) dx - (x2 + 11) cos(y) dy = 0 is given by ln(x2 + 11) + csc(y) = C.

Dvinal [7]

Answer:

From the question we are told that

The equation is $2x sin^2(y) dx - (x^2 + 11) cos(y) dy = 0$

Generally the goal of this solution is to prove that the implicit solution of the differential equation above is $ln(x^2 + 11) + csc(y) = C.$

First Step

Differentiate the solution with respect to x

$0 = \frac{2x}{ x^2 + 11} + [-cot * csc(y) ]\frac{dy}{dx}$

=> $0 = \frac{2x}{ x^2 + 11} + [-\frac{cos(y)}{ sin(y) }* \frac{1}{sin(y)} ]\frac{dy}{dx}$

=> $0 = \frac{2x}{ x^2 + 11} + [-\frac{cos(y)}{ sin^2(y) }]\frac{dy}{dx}$

multiply through by $sin^2(y)$ , $x^2 + 11$ , $dx$

=> $2 x (sin^2(y) dx + [-cos(y) (x^2 + 11)]dy = 0$

Looking at the equation obtained we see that it is equivalent to the differential equation hence the implicit solution of $2x sin^2(y) dx - (x^2 + 11) cos(y) dy = 0$ is $ln(x^2 + 11) + csc(y) = C.$

Step-by-step explanation:

3 0

3 years ago

What is the distance between (5,3) and (-2,2) in simpilist radical form

Mariulka [41]

Answer:

$distance \: btween \:$

(5,3) and (-2,2)

$\sqrt{ {(5 - ( - 2)) }^{2} + {(3 - 2)}^{2} } \\ \\ = \sqrt{ {(5 + 2)}^{2} + {1}^{2} } \\ \\ = \sqrt{ {7}^{2} + 1} \\ \\ = \sqrt{49 + 1 } = \sqrt{50} = 5 \sqrt{2}$