4. A baby monitor picks up
signals within a 50-meter
radius. How many square
meters of coverage does the
baby monitor provide?

Answers

Answer 1

Answer:

250 pi

Step-by-step explanation:

formula for area of a circle: pi r squared

pi times 50 squared is 250 pi


Related Questions

Find the value of x for the triangle.

Answers

The sum of all the angles in a triangle is 180 degrees, so we get the equation:

  [tex]55 + 54 + (x + 74) = 180\\x + 183 = 180\\x = -3[/tex]

The value of x is -3.

Hope that helps!

Answer:

(x+74)+55+54=180

x= -3

00
1
Which number makes the sentence true?
-3,834 = 2,470
OA. 6,304
ОВ.
6,305
OC. 6,314
OD. 1,364

Answers

Answer:

The answer for this question is 6,304

I NEED HELPPPPPPLLLPLEASE

Answers

Step-by-step explanation:

variability = larger range

can you put your answer below

The sum of the measures of two angles is 127.6º. One angle has a measure of 63º. What is the measure of the second angle?​

Answers

Answer:
64.6 degrees

Step-by-step explanation:

127.6 degrees - 63 degrees= 64.6

A plumber charges $50 to visit a house plus $40 for every hour of work. Define a variable to represent the unknown quantity. Then write an expression to represent the total cost of hiring a plumber.

Answers

Answer:

50 + 40x

Step-by-step explanation:

A ball is placed in a machine that throws the ball up in the air. The table represents some points on the graph of a function that models the ball’s distance from the ground with respect to the time since the ball has been thrown. What is the range for this situation? A. All real numbers less than or equal to 7.66 B. All real numbers less than or equal to 1.25 C. All real numbers greater than or equal to 0 and less than or equal to 7.66 D. All real numbers greater than or equal to 0 and less than or equal to 1.25

Answers

Using it's concept, it is found that the range for this situation is given by:

C. All real numbers greater than or equal to 0 and less than or equal to 7.66.

What is the range of a function?


The range of a function is the set that contains all possible output values.

In this problem, the output values are the height of the ball, which researching the problem on the internet, is represented by a table in which the minimum height is of 0(when it hits the ground) and the maximum height is of 7.66 feet, hence the correct option is:

C. All real numbers greater than or equal to 0 and less than or equal to 7.66.

More can be learned about the range of a function at https://brainly.com/question/24374080

Help me! Please.✅✅✅✅✅✅

Answers

Answer:452.38934211693

Step-by-step explanation:

Find the surface area of the prism. 12 in. 9 in. 3 in. The surface area is in . 2.

(p.s 366 is wrong)​

Answers

Answer:

The answer is 342 in.^{2}.

Maria has 7 gallons of water. Josh has 24 quarts of water. How many more cups of water does Maria have than Josh​?

Answers

Answer: Maria has 16 more cups of water than Josh

Step-by-step explanation:

Answer:

38.51

Step-by-step explanation:

1 gal: 19.21 cups

7 gal x 19.21 cup = 134.51 cups

1 quart: 4 cups

24 x 4 = 96 cups

134. 51 - 96 = 38.51 cups

Have an amazing day!

PLEASE RATE!

not sure how to solve this equation pls help out

Answers

Answer:

your answer is right

Step-by-step explanation:

I took the test

Question 1
Which statement describes the basis for the proof that vertical angles are congruent?
А
Two adjacent angles are always supplementary
B.
Two adjacent angles that form a linear pair are congruent.
с
Two angles that are each supplementary to a third angle are congruent.
D
Two angles that are each complementary to a third angle are congruent.

Answers

Answer:

C

Step-by-step explanation:

On each linear pair, there is one of the Vertical angles and an angle shared between the two angles. This means we can use the fact that supplements of the same angle are congruent.

The basis for the proof vertical angles are congruent is " two angles that are each supplementary to a third angle are congruent".

What are vertical angles?

Vertical angles are a pair of non-adjacent angles formed by the intersection of two straight lines.

In the provided figure.

∠1 + ∠2 = 180 degrees ( linear pair of angles)...(i)

∠ 1 + ∠4 = 180 degrees ( linear pair of angles)...(ii)

According to transitive property, if a = b and b = c then a = c

Therefore,

∠1 + ∠2 = ∠1 + ∠4...(iii)

⇒∠2 = ∠4

Similarly, we can prove that

∠1 = ∠3

Therefore, we conclude that vertically opposite angles are always equal.

Hence, the basis for the proof vertical angles are congruent is " two angles that are each supplementary to a third angle are congruent".

Thus, statement c is correct.

Find out more information about vertically opposite angles:

https://brainly.com/question/18045519

#SPJ2

The area of a rectangle is its length times its width .
The area of a rectangle is 60 square centimeters.
its length is 7 cm longer than its width .find its width .
what is its length write an equation and solve it ​

Answers

Answer:

The length is 5cm.

Step-by-step explanation:

(x)(x+7) = 60

x^2 +7x = 60

x^2 +7x - 60 = 0

x^2 + 12x - 5x = 0

Answer:

[tex]lenght = 12cm \\ width = 5cm[/tex]

Step-by-step explanation:

[tex]area \: = lenght \times width \\ area = 60cm { }^{2} \\ let \: width = xcm \\ let \: lenght = (x + 7)cm \\ 60 = \: (x)(x + 7) \\ 60 = x ^{2} + 7x \\ x {}^{2} + 7x = 60 \\ x {}^{2} + 12x - 5x - 60 = 0\\ x(x + 12) - 5(x + 12) \\ (x + 5)(x + 12) \\ x = 5 \: or \: x =- 12 \\ since \: width \: cant \: be \: negative \\ width = 5cm \\ lenht = 5 + 7 = 12cm[/tex]

my equation is - 3 = X + 8

Answers

Answer:

X=-11

Step-by-step explanation:

Isolate the varible. Substract 8 on both sides to get X equals -11

X would equal -11
Hope this helps!

A. Fill in the missing even or odd numbers.
- 16
1) 6, 8, 10,
2) 38, 42, 46,
58
3) 80, 74, 62, 56,
4) 61, 63, 65, _ 71
5) 109, 107, 105,99

Answers

1) 12, 14

This is the answer because each increasing number was increased by 2, so if you add 2 to 10, you'd get 12. If you add 2 to 12, you would get 14.

2) 50, 54

Same explanation as above but for the number 4.

3) 68, 50

Same explanation as 1, but with subtracting the number 6.

4) 67, 69

Same as number 1

5) 103, 101

Same as number 3 but subtracting the number 2

Hope this helps!!! :)

Can someone please help me.

Answers

Its figure A cause see how it says small squares thats the one

thanks

your gurl unique

Solve x / by 2.4 =12.7

Answers

Answer:

30.48

Step-by-step explanation:

...

Answer:

30.48

Step-by-step explanation:

2.4x12.7=30.48

two number cubes are rolled. what is the probability of getting a 1 and a 4 in either order

Answers

Answer:

1/18

Step-by-step explanation:

Each cube can have 6 outcomes, from 1 to 6.

6 × 6 = 36

The total number of outcomes is 36.

The desired outcomes are only 1, 4 and 4, 1.

There are only 2 desired outcomes.

p(1, 4 or 4, 1) = 2/36 = 1/18

Answer: 1/18

Use the Pythagorean Theorem to find the distance between (-3, 4) and (6, 1). Show all calculations.

Answers

Answer:

9.48683

Step-by-step explanation:

using the formula:

d = √((x2-x1)2 + (y2-y1)2)

Find the difference between coordinates:

(x2-x1) = (6 - -3) = 9

(y2-y1) = (1 - 4) = -3

Square the results and sum them up:

(9)2 + (-3)2 = 81 + 9 = 90

Now Find the square root and that's your result:

Exact solution: √90 = 3√10

Approximate solution: 9.4868

Evaluate −2x2−4x+3 when x=−2.

Answers

Answer:

-2 x 2 - 4x + 3

If x = -2, then . . .

-2 x 2 -(-4 x -2) + 3

-2 x 2 + 8 + 3

The answer is 7

-2x2-4x+3 = 7

I know this because of

( )

Exponents

x or /

+ or -

-2x2-4(2)+3 = 7 because x=3 so,

-2x2-8+3

7

How many ninth does it take to make the same amount as one third

Answers

We just need to multiply the number by 3

Answer:

3

Step-by-step explanation:

you have 1/3, to find out how many ninths you have, you must multiply the denominator by three (because 3*3=9). whatever you multiply on the bottom you must multiply on the top (if you don't do that then it's not the same as 1/3 anymore)

therefore 1/3 == (1*3)/(3*3) == 3/9

if you want to know how many twelves it was then you multiply by 4 to get 12 on the bottom:

1/3 == (1*4)/(3*4) == 4/12

therefore 1/3 == 3/9 == 4/12. they are all the same fraction

Choose the number equal to: -9 • (-1/3) A) -27 B) -3 C) 3 D) 27

Answers

The Answer is A because 1/3

Question 3
It takes 2 2 hours to type a 7-page report. It takes / hour to photocopy the 11 copies of the report.
How long did it take to complete the report? (Tick appropriate box)
0 4 Hours
3 Hours and 45 minutes
O 2 Hours and 45 minutes

Answers

Answer:

3 Hours and 45 minutes

Step-by-step explanation:

2 hours and 30 minute 11/4 is 1 hour and 15 minutes add that and its get 3/45

Zoe walks 13of a mile every 25of an hour.

How many miles does Zoey walk per hour?

Answers

Answer:

25/13 miles in an hour

Step-by-step explanation:

So she walks 1/13 mile per 1/25 hour.

To find the miles in an hour, just multiply the 1/25 hour by 25/

1/25 hour * 25 = 1 hour.

1/13 mile * 25 = 25/13 miles in an hour

Graph the following function: y=−sec(x+π/4)+2

Answers

That should be the correct answer

can you help me with my math

5! + 50​

Answers

Answer:

170

Step-by-step explanation:

[tex]5!+50\\\\(5*4*3*2*1)+50\\\\120+50\\\\170[/tex]

Question

5! + 50

Step-by-step explanation:

about factorial

5!

=5 × 4 × 3 × 2 × 1

=20 × 3 × 2 × 1

=60 × 2 × 1

=120 × 1

=120

the result of the factorial 5! is 120

now we just add 120+50

120 + 50

120

50

———+

170

so the result of 5! + 50 is 170

I hope this helps

HELP PLEASE I NEED ANSWER NOW

Answers

Answer:B

Step-by-step explanation:

I think it should be B u= -1

How many buses do you need for 850 people if each bus holds 200 people

Answers

Answer:

5 buses

Step-by-step explanation:

each bus will take 200 people except for and the fifth bus will take 50

h/5-28=-8 what does h equal?

Answers

Answer:

H=100

Step-by-step explanation:

To solve H simply simplify both sides of the equation then isolate the variables.

Hope it helps!!!!!!!!!!Brainliest pls!!!!!!!!!!

Answer:

h=100

Step-by-step explanation:

h/5 -28=-8

put like terms together( unknowns on one side, knowns on the other)

h/5= -8+28  

h/5= 20

Multiplying both sides by 5 to get rid of the denominator

5(h/5) =5(20)

h=100

integral of x/(x + 1)²(x+2)²​

Answers

I suppose you mean the integral

[tex]\displaystyle \int \frac{x}{(x+1)^2 (x+2)^2} \, dx[/tex]

Break up the integrand into partial fractions:

[tex]\dfrac{x}{(x+1)^2 (x+2)^2} = \dfrac{a}{x+1} + \dfrac{b}{(x+1)^2} + \dfrac{c}{x+2} + \dfrac{d}{(x+2)^2}[/tex]

[tex]\dfrac{x}{(x+1)^2 (x+2)^2} \\ = \dfrac{a(x+1)(x+2)^2 + b(x+2)^2 + c(x+1)^2(x+2) + d(x+1)^2}{(x+1)^2 (x+2)^2}[/tex]

[tex]\dfrac{x}{(x+1)^2 (x+2)^2} \\ = \dfrac{(a+c)x^3+(5a+b+4c+d)x^2+(8a+4b+5c+2d)x + 4a+4b+2c+d}{(x+1)^2(x+2)^2}[/tex]

[tex]x = (a+c)x^3+(5a+b+4c+d)x^2+(8a+4b+5c+2d)x + 4a+4b+2c+d[/tex]

Solve for the coefficients:

[tex]\begin{cases}a+c=0 \\ 5a+b+4c+d=0 \\ 8a+4b+5c+2d=1 \\ 4a+4b+2c+d=0\end{cases} \implies a=3,b=-1,c=-3,d=-2[/tex]

So we have

[tex]\displaystyle \int \frac{x}{(x+1)^2 (x+2)^2} \, dx= \int \left(\frac3{x+1} - \frac1{(x+1)^2} - \frac3{x+2} - \frac2{(x+2)^2}\right) \, dx[/tex]

[tex]\displaystyle \int \frac{x}{(x+1)^2 (x+2)^2} \, dx= 3\ln|x+1| + \frac1{x+1} - 3\ln|x+2| + \frac2{x+2} + C[/tex]

[tex]\displaystyle \int \frac{x}{(x+1)^2 (x+2)^2} \, dx= \ln|x+1|^3 - \ln|x+2|^3 + \frac{3x+4}{(x+1)(x+2)} + C[/tex]

[tex]\displaystyle \int \frac{x}{(x+1)^2 (x+2)^2} \, dx= \boxed{\ln\left|\frac{x+1}{x+2}\right|^3 + \frac{3x+4}{(x+1)(x+2)} + C}[/tex]

9. Which of the following is an equilateral triangle?​

Answers

D because all the sides are equal

Answer:

d

Step-by-step explanation:

The dashes on the sides of the triangles mean that they are equal in length.

Isosceles triangle: 2 sides of equal length

Equilateral triangle: 3 sides of equal length

Triangle a doesn't have any dashes, so all the sides are different length.

Triangle b has 2 sides that each have the same number of dashes, so these sides are equal in length → Isosceles triangle

Triangle c has 2 sides that each have the same number of dashes, so these sides are equal in length → Isosceles triangle

Triangle d has 3 sides that each have the same number of dashes, so these sides are equal in lengthEquilateral triangle

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