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3 years ago

Helpppppppppppppppppppppppppppppp

Mathematics

2 answers:

Anestetic [448]3 years ago

5 0

ok man it's ok I cannot help you but thats alriggt

Serggg [28]3 years ago

4 0

Answer:

1.55

Step-by-step explanation:

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The cost of producing a smartphone is $42.73 per phone. Additionally, the smartphone company pays a flat rate of $175 to ship ea

katovenus [111]

Answer:

42.37x+175 good luck on this

7 0

3 years ago

400$ is fivided between kas, jaspar, and jae so that kas has twice as much as jaspar and jaspar has three times as much as jae.

Fynjy0 [20]

Let jae have x dollars. Thus, we can make the equation:-

x + 3x + 2*(3x) = 400

4x + 6x = 400

10x = 400

x = 40

So jae has $40 and

jaspar has 3x = 3* 40

= $120 dollars (answer

6 0

3 years ago

Read 2 more answers

(Step to step work)<br><br> sin x(cotx + tanx)

11Alexandr11 [23.1K]

solving $sin(x)(cot(x) + tan(x))$ we get $sec(x)$

Step-by-step explanation:

We need to solve: $sin(x)(cot(x) + tan(x))$

Solving:

We know:

$cot(x)=\frac{cos(x)}{sin(x)}\\ and\,\,tan(x)=\frac{sin(x)}{cos(x)}$

Putting the values of cot(x) and tan(x):

$sin(x)(cot(x) + tan(x))\\=sin(x)(\frac{cos(x)}{sin(x)}+\frac{sin(x)}{cos(x)})$

Taking LCM:

$=sin(x)(\frac{cos(x)cos(x)+sin(x)sin(x)}{sin(x)cos(x)})\\=sin(x)(\frac{cos^2(x)+sin^2(x)}{sin(x)cos(x)})$

We know that: cos^2x+sin^2x=1

and using identity: cos(x)sin(x)=sin(2x)*1/2

$=sin(x)(\frac{1}{sin(2x)\frac{1}{2}})\\=sin(x)(\frac{2}{sin(2x)})$

Using identity: sin(2x)=2cos(x)sin(x)

$=sin(x)(\frac{2}{2sin(x)cos(x)})\\Cancelling\,\,same\,\,terms\,\,in\,\,numerator\,\,and\,\,denominator:\\=\frac{1}{cos(x)} \\=sec(x)$

So, solving $sin(x)(cot(x) + tan(x))$ we get $sec(x)$

Keywords: Trigonometry

Learn more about Trigonometry at:

#learnwithBrainly

8 0

3 years ago

Where are the astmptotes for the following function located f(x)=7/x^2-2x-24

ira [324]

Answer:

Hence, the asymptotes of f(x) located at x=6 and x=-4.

Step-by-step explanation:

Since we have given that

f(x)= \frac{7}{x^2-2x-24}

We need to find the asymptotes for the above function:

Asymptotes occur when denominator becomes zero.

x^2-2x-24=0\\\\x^2-6x+4x-24=0\\\\x(x-6)+4(x-6)=0\\\\(x-6)(x+4)=0\\\\x=6,-4

6 0

3 years ago

3 feet 3 inches+5 feet 6 inches=

kykrilka [37]

Answer:

8ft 9 inch

Step-by-step explanation:

3 ft +5 ft +3 inch+6 inch

=8 ft+9 inch

6 0

3 years ago

Read 2 more answers