Please someone help me
Find the first derivative of cos2(π/4)

Answers

Answer 1

Exact form: (\πcos(2))/(4)

Decimal Form: − 0.32684096

brainliest or a thank you please :)) <3


Related Questions

if five times of a number is 125 then 0•8 of this number is​

Answers

Answer:

20

Step-by-step explanation:

5n = 125

n = 25

0.8 x 25 = 20

rewrite 10/9 as a mixed number

Answers

Answer:

you know i think it is 9 10/9 as a mixed number sooo i hope this help

Answer:

1 1/9

Step-by-step explanation:

I don't have an explanation, you're just gonna have trust me on this one


PLZ HELP DUE TODAY THE ANSWER CHOICES ARE
A.315
B.84
C.273
D.231
No links I will report forgot to put the picture last time plzzz

Answers

from the last time i did it, i believe its B

What is the volume, in cubic feet, of a rectangular prism with a height of 5 feet, aho
width of 20 feet, and a length of 5 feet?

Answers

Answer:

500 cubic feet

Step-by-step explanation:

5 * 20 * 5 = 500 cubic feet

If 1/5 = 2/3, then ?/5 = 3/3. Show your work and explain your reasoning.

Answers

Answer:

3/10

Step-by-step explanation:

If 1/5 = 2/3 then 1/10 = 1/3

So given that information, 3/10 = 3/3

Hope this helps!

who can help me with these

Answers

These will be the answers

how many boys are in the choir​

Answers

9514 1404 393

Answer:

  D.  210

Step-by-step explanation:

If b is the number of boys in the choir, the ratio of boys to girls is ...

  b/150 = 7/5

  b = 150(7/5) = 30(7) = 210

There are 210 boys in the choir.

If the average tween complains about 13 things every two hours, how many hours will it take to reach 195 complaints?

Answers

Answer:

30hours

Step-by-step explanation:

complaints/ hours

13/2=195/h

h=30

what is the product of the polynomials below? (8x^2-4x-8)(2x^2+3x+2)

Answers


16x^4 +16x^3 - 12x^2 - 32x - 16

The interior angles of a triangle have measures 90°, 48°, and xº.
What is the value of x?

Answers

Answer:

42°

Step-by-step explanation:

The interior angles of a triangle always add to 180 degrees.

90+48+x=180

x=180-90-48

=42

x is 42°

A rectangle has a length of 2x+3 and a width of 10x-4. Find the perimeter and area of the figure

Answers

Step-by-step explanation:

perimeter is 4x+6 +20x-8=20x-2

area is 20x^2+22x-12

Evaluate the following: 77 - |( -8)(3) + (-10)(4)|

Answers

Answer:

13

Step-by-step explanation:

77−|(−8)(3)+(−10)(4)|

=77−|−24+(−10)(4)|

=77−|−24+−40|

=77−|−64|

=77−64

=13

Hope this helps

The answer is most likely 13

The table below shows some values of x=y-4 for values of x from -2 to 8

What is A, B and C please

Answers

Answer:

everything you need to know can be found in the picture

Can someone please help me

Answers

Answer:

Point Form:

(-3, -5)

Equation Form:

x = -3, y = -5

Step-by-step explanation:

Hope This Helps! : )

HELP NEEDED PLEASE!!!! This math question confuses me. I thought the line didn't pass through any other point but I cant figure it out so please help me!

Answers

Answer:

B

Step-by-step explanation:

So wiggly, remember that slope is change in y/change in x, or in simpler terms, y/x. Thinking of this, y/x must simplyfy to -3. Or, you can think of it as -3/1.

So know that we have rewrote this as a slope of -3/1, lets use it. Where do we start? Well, we must start at point A, which is at 2 x and 7 y.

Now, going to the  RIGHT(+1x) and going DOWN(-3y) we will go from 2x and 7y to 3x and 4y.

Are we on a point yet? Nope, lets do this again.

Now going to RIGHT again(+1x) and going DOWN again(-3y) we will go from 13x and 4y to 4x and 1y.

Are we on a point yet? Still no, lets try this one more time.

Now going to RIGHT again(+1x) and going DOWN again(-3y) we will go from 4x and 1y to 5x and -2y.

Are we on a point? YUP. We cna see that point B is at 5x and -2y.

Hope you get it right ;)

The dimensions of a cylindrical water tank are shown below.
18 yd
60 yd
Which of the following is the best estimate of the volume of this water tank?
A 58,320 ya
B 3,240 yd
C 14,500 yd
D 19,440 yd

Answers

The best answer to go with is b

can someone help me with this

Answers

Answer:

29

Step-by-step explanation:

Answer:

Step-by-step explanation:

N is the incenter of △ABC because it is the point of concurrency of the three angle bisectors. So, by the Incenter Theorem, ND = NE = NF.

im sorry if wrong

plz mark me brainly

Without using a protractor, you can determine whether the angles are right angles by measuring the length of the diagonal and applying the converse of the Pythagorean Theorem.

Answers

6
step by step explanation:

IM.MP3.PC.2020-2021 Question: 1-10

Answers

Answer:

All of the Questions are the Same btw its -5/3

Step-by-step explanation:

Tome walks 1/3 of a mile in 1/4 of an hour. At this rate, how many miles will Tom walk in 1 hour?

Answers

Answer:

2 miles i think

Answer:

In 1 hour, he'll walk 4/3 miles

Step-by-step explanation:

Ratios:

[tex]\frac{1/3}{1/4} =\frac{x}{1} \\\\\frac{1}{4} x=\frac{1}{3} \\\\x=\frac{4}{3}[/tex]

Use the distributive property to expand (simplify): 4(x + 7)​

Answers

this is the simplest form 4x+28

Answer:

4x+28

Step-by-step explanation:

Hi there! :)

The Distributive property is here to help us simplify!

Let's remember what this useful property states.

It states that

a(b+c)=ab+ac

Now, let's use this property to simplify the given expression:

4(x+7)

4x+28

Hope it helps!

Enjoy your day!

[tex]\bf{-Misty ~Sparkles-[/tex]

Part D How do the measures of the sides and angles of ABC compare with the corresponding measurements in the three Images?

Answers

Answer:

The measurements of the sides and angles of triangle ABC are the exact same as the measurements in the three images.

Step-by-step explanation:

please mark as Brainliest :)

PLEASE HELP
I WILL MARK BRAINLIEST

Answers

Answer:

False

Step-by-step explanation:

They don't look alike

please help with this problem

Answers

Answer:

9

Step-by-step explanation:

constant of proportionality in this problem is the cost per pant

Nine. I think I’m not sure

A robot vacuum advertises that it can clean a 120-square-foot room in 1/2 an hour. How many square feet could the robot vacuum clean in 1 hour?​

Answers

Answer: 240 square foot room

Step-by-step explanation: They ask for how many square feet in 1 hour which is double the 1/2 hour. So, just do 120x2=240 to get your answer! (Don’t forget to label ,square-feet,)

Find and interpret the mean absolute deviation of the data. Round your answer to the nearest tenth, if necessary. The mean absolute deviation is . Question 2 response - correct

Answers

Required data:

_______________

| 60 | 105 | 80 | 125 |

| 140 | 95 | 65 | 170 |

----------------------------

Answer:

Mean absolute deviation = 30

Variability of the data about the mean value is 30

Step-by-step explanation:

Mean = Σx / n

n = sample size = 8

Mean = (60 + 105 + 80 + 125 + 140 + 95 + 65 + 170) = 840 / 8 = 105

Mean absolute deviation = Σ|x - mean| ÷ n

( |60-105| + |105-105| + |80-105| + |125 - 105| + |140-105| + |95-105| + |65-105| + |170-105|) / 8

(45 + 0 + 25 + 20 + 35 + 10 + 40 + 65) / 8

240 / 8

= 30

The variability of data about the central point or mean value is 30.

❤️❤️Помогите❤️❤️!!!!

Answers

Answer:

i dont understand russian

Step-by-step explanation:

Solve the equation above for X

Answers

x = 4
hope this helps

Answer:

x=4

Step-by-step explanation:

Because 1/8 is a fraction to cancel it out on the x side you have to multiply by 8

8*1/8x=1/2*8

giving you 1x=4

solve for x. please please i need help help me please

Answers

The answer is 11 because the longer side would be 16

A population of 1,996 unicorns is going extinct at a rate of about 24 unicorns per year. A separate population of 1,229 dragons is going extinct at a rate of about 11 dragons per year. After how many years will the two populations be equal?

Answers

Answer:

https://youtu.be/QZ_a8VXhiSc

Step-by-step explanation:

https://youtu.be/BX0K5IfPMOA

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