3 years ago

Solve for xa) 2b) 6c) 3d) 12

Mathematics

1 answer:

polet [3.4K]3 years ago

8 0

It’s is C. 3 because it makes sense

You might be interested in

Which basic trigonometric identity would you use to verify that tan x cos x =sin x

True [87]

Answer:

$\huge\boxed{\tan x=\dfrac{\sin x}{\cos x}}$

Step-by-step explanation:

$\tan x\cos x=\sin x\\\\\tan x=\dfrac{\sin x}{\cos x}\\\\\text{Therefore}\\\\\tan x\cos x=\dfrac{\sin x}{\cos x}\cdot\cos x\qquad\text{cancel}\ \cos x\\\\\tan x\cos x=\sin x\\\\\text{For}\ x\neq\dfrac{\pi}{2}+k\pi},\ k\in\mathbb{Z}$

7 0

4 years ago

If (x)= 2x square minus 1,then f(-3)

viva [34]

Answer:

17.

Step-by-step explanation:

f(x) = 2x^2 - 1

f(-3) = 2(-3)^2 - 1

= 2 * 9 - 1

= 18 - 1

= 17

Hope this helps!

4 0

3 years ago

Read 2 more answers

Tan(x+y)=x. (2 3) , what is dy/dx

horsena [70]

Answer: dydx=2sec2(x)tan(x)

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

please help me with this question! i will give 40 points and brainliest! please help with answer and explanation. thanks you so

riadik2000 [5.3K]

Answer:

to find the sale price, you need to find what 34% of 82 is.

82 x 0.34 = 27.88

subtract that from the original price

82 - 27.88 = $54.12

you could also multiply 82 by (1 - .34) to get the same answer

82 x (.66) = $54.12

sale price is $54.12

hope this helps:)

Step-by-step explanation:

3 0

3 years ago

Which situation describes a car that can travel $40 miles per gallon of gasoline?

Salsk061 [2.6K]

Answer:

A car can travel 80 miles on 2 gallons of gasoline.

Step-by-step explanation:

8 0

3 years ago