Given that AE is a tangent of the circle with the center at B, BC = 3.5, and AE = 24, which is the length of EC?
7
13
25
49

Answers

Answer 1

We are actually given here a right triangle where EC is the hypotenuse. The length of one side is AE = 24, and the other side AC is simply twice BC, so AC = 7:

EC^2 = AE^2 + AC^2

EC^2 = 24^2 + 7^2

EC = 25


Related Questions

Which of the following is not involved in constructing a circle inscribed in a triangle?
A- angle bisectors
B- perpendicular bisectors
C- incenter of a triangle
D- center of a circle

Answers

Constructing an a circle inscribed in a triangle involves these steps:

i) Draw 2 (or 3) of the angle bisectors. Their point of intersection is the center of the inscribed circle, or the incenter. Let's denote this point by O

ii) Draw a perpendicular line segment from the incenter to one of the sides. Let the intersection of the perpendicular from O and the side be T.

iii) Draw a circle with center the incenter, and radius the distance  OT.


Answer: B) Only perpendicular bisectors are not involved.

Evaluate 2x + 6y when x= −4/5x and y= 1/3

Answers

3 3/5 Is the answer to the question.

Maths question!!! The angles in triangle ABC are given in degrees, prove that AB=AC

Answers

do 12x+20=40x-8 and solve for x
First, find out the value of x to confirm if they are really true. 

We know that all the interior angles of a triangle equal to 180 degrees. 

4x+5x-8+3x+20=180 
12x=180-12 
12x=168
x=168/12 
x=14 

Put in these values of to find if AB=AC. 

(4×14)(3×14+20)=(4×14)(5×14-8) 

Solve for LHS first, 

(4×14)(3×14+20) = 56×62 

=3472 

Solve for RHS next, 

(4×14)(5×14-8) = 56×62

=3472

Since LHS=RHS, AB is also equal to AC. 

Hope I helped :) 

A graphics company charges $50 per hour to create a logo plus $250 for the ownership rights of the logo. A private contractor charges $75 per hour to develop a logo plus a $100 supply fee. Which equation can be solved to determine x, the number of hours after which the costs would be the same?

Answers

A. 50x + 250 = 75x + 100 is the correct answer

Answer:

A. 50x + 250 = 75x + 100

Step-by-step explanation:

edge 2022

Help me with this question

Answers

Using the slope-intercept form of y = mx + b, just plug in for the values given by the graph.

Your Y-intercept (0, y), you plug in the y value as B. M is where you put your slope. 

So for the second one (top right), you have a Y-int of -2 or (0, -2) and a slope/m of 1/1 = 1. So your equation would be y = 1x - 2 or y = x - 2. 


There are approximately 45 hundred species of mammals on Earth and 2.8 x 10 to the 4 species of fish. What is the difference in the number of species?
This is SCIENTIFIC NOTATION

Answers

Answer:

23500

Step-by-step explanation:

We are given that

Number of species of mammals on earth=approximately 45 hundred=4500

Number of species of fish=[tex]2.8\times 10^4=2.8\times 10000=28000[/tex]

We have to find the difference between the number of species of mammals and fish.

In order to find the difference in the number of species we will subtract number of species mammals from the number  of  species of fish.

Difference=28000-4500=23500

Hence, the difference between the number of species of mammals and fish=23500

Answer:

23,500

Step-by-step explanation:

45 hundred = 45 × 100 = 4,500

2.8 × 10^4 = 28,000

28,000 - 4,500 = 23,500

Barbara went ice skating. It cost $5.85 to rent the skates, $2.50 for nachos, and it cost $1.95 per hour to skate. If she skates for 2 1/2 hours, how much does she spend?

Answers

5.85+2.50+1.95 x 2.5=13.225
Barbara spends $13.23. Hope I helped.

Factor. x(3y−5)+3(3y−5)

Answers

x3y-x5+9y-15 hope this helps 

Answer:  The required factored form is [tex](x+3)(3y-5).[/tex]

Step-by-step explanation:  We are given to factor the following polynomial :

[tex]P=x(3y-5)+3(3y-5)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)[/tex]

We will be using the following factorization formula :

[tex]a(b+c)+d(b+c)=(a+d)(b+c).[/tex]

So, from expression (i), we get

[tex]P\\\=x(3y-5)+3(3y-5)\\\\=(x+3)(3y-5).[/tex]

Thus, the required factored form is [tex](x+3)(3y-5).[/tex]

If two sides of a triangle measure 12 and 7, which cannot be the perimeter of the triangle

Answers

Hello Tovarmackenzie!
We can utilize the Triangle Inequality Theorem, Which states

A + B > C
A + C > B
B + C > A

With that said, we are going look for C.
We know that
12 + 7 > C
So
19 > C
OR
C < 19
So our 3rd leg has to be less than 19.

So if we make C  =18.999 and Sum up all the sides, 12 + 7 + 18.999 = 37.999
this means the max perimeter is 37.999.. so we know  D: 38 cannot be the perimeter.

38 cannot be the perimeter of the triangle.

What is Triangle Inequality Theorem?

The sum of any two sides of a triangle is greater than or equal to the third side.

Given:

Two sides are 12 and 7.

Using Triangle Inequality Theorem, we have

In ΔABC,

AB + BC > CAAC + CB > BAAB + CA > BC

So,

12 + 7 > C

19 > C

C < 19

So, the third side should be less than 19.

Let us take maximum possible values,

C  =18.999

Then, perimeter will be,

12 + 7 + 18.999 = 37.999

Hence, 38 cannot be the perimeter.

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rabbits population can double every 30 days if there are 10 rabbits on a farm how many rabbits will be on the farm after 120 days

Answers

Answer:

Step-by-step explanation:

= 10(1+1)^4 the final answer is 160

How I got 4 is you divide 30\ 120 =4

After 120 days there will be 160 rabbits on the farm.

What is equation?

"It is a mathematical statement which consists of equal symbol between two algebraic expressions."

For given question,

Rabbits population can double every 30 days.

Initially there are 10 rabbits in a farm.

So, after 30 days there would be 10 × 2 = 20 rabbits.

After next 30 days, there would be

20 × 2

= 10 × 4

= 10 × 2²

= 40 rabbits.

Let t be the number of days and x be the number of rabbits.

So, we have an equation:

[tex]x=10\times2^{\frac{t}{30} }[/tex]

No, we find the number of rabbits after 120 days.

t = 120

So, the equation becomes,

[tex]x=10\times2^{\frac{t}{30} }\\\\x=10\times2^{\frac{120}{30} }\\\\x=10\times2^{4}\\\\x=10\times 16\\\\x=160[/tex]

Therefore, after 120 days there will be 160 rabbits on the farm.

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Four cousins were born at two-year intervals. The sum of their ages is 36. How old are they?

Answers

Answer:

6, 8, 10, 12

Step-by-step explanation:

x + (x + 2) + (x + 4) + (x + 6) = 4x + 12.

4x + 12 = 36

24 = 4x

x = 6

is 8.23 a rational number?

Answers

Yes, 8.23 is a rational number since it is able to be written as a fraction (any rational number is able to be written as a fraction with an integer numerator and denominator); 8 23/100
Yes, it is a rational number because 8.23 can be expressed as a fraction.

Solve for x. 7(x + 1) = 21
x = 2
x = 20/7
x = 22/7
x = 4

Answers

x= 2 because 7x+7=21, -7 and 7x=14
7x+7=21 
     -7  -7
7x=14
 divide 7 on both sides 
x=2

What is the equation of the line graphed below?


Select the correct answer below.


A.1/2x+y=3

B.1/2x+y=6

C.-1/2x+y=3

D.-1/2x+y=6

Answers

1/2x + y = 3

Solve the equation to put it in slope intercept form. (y=mx+b)

1/2x + y = 3

Subtract 1/2x from both sides.

y = -1/2x + 3

The y-intercept (where the line crosses the y-axis) is three and the slope (rise over run) is -1/2.

Hope this helps!

Answer: A. [tex]\dfrac{1}{2}x+y=3[/tex]

Step-by-step explanation:

The equation of a line passing through two points (a,b) and (c,d) is given by :-

[tex](y-b)=\dfrac{d-b}{c-a}(x-a)[/tex]

Then the equation of a line passing through two points (0,3) and (6,0) is given by :-

[tex](y-3)=\dfrac{0-3}{6-0}(x-0)\\\\\Rightarrow\ y-3=\dfrac{-1}{2}x\\\\\Rightarrow\ \dfrac{1}{2}x+y=3[/tex]

Hence, the equation which is graphed in the given picture :-

[tex]\dfrac{1}{2}x+y=3[/tex]

If PS || QR what is the measure of angle RSP?

Answers

5y + 14 and 8y -13 we can set equal to each other because they are adjacent angles. 5y + 14 = 8y -13, we are going to subtract 5y from both sides to get 14 = 3y -13. Now add 13 to both sides and get 3y = 27. Divide by 3, y = 9. 

Plug in 9 for 8y - 13 we get 8(9)-13 = 72- 13 = 59. 

The inside angles of triangles must equal 180 so now we have 3x + 2x + 1 + 59 = 180. Combine like terms you get 5x + 60 = 180. Subtract 60 from both sides, you get 5x = 120. Divide by 5, x = 24. This is NOT your answer; we are not done yet!

We must plug in again for the angle represented by 2x + 1. The middle letter tells you which one to plug in for (rSp). x = 24 so 2(24) + 1. 48 + 1 = 49.

Your answer is B. 49. degrees.

Option B is correct. The measure of m<RSP  is 49 degrees

From the diagram shown

3x + 2x + 1 + 8y - 13 = 180

5x + 8y - 12 = 180

5x + 8y = 180  + 12

5x + 8y = 192 ................. 1

Also, since PQ is parallel to PS, hence;

5y +14 = 8y - 13 (alternate interior angle)

5y - 8y = -13 - 14

-3y = -27

y = 27/3

y = 9

Substitute y = 9 into equation 1

5x + 8y = 192

5x + 8(9) = 192

5x + 72 = 192

5x = 192 - 72

5x = 120

x = 120/5

x = 24

Get the measure of <RSP

m<RSP = 2x + 1

m<RSP = 2(24) + 1

m<RSP = 48 + 1

m<RSP  = 49degrees

Hence the measure of m<RSP  is 49 degrees

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An on-demand movie company charges $2.95 per movie plus a monthly fee of $39.95. Which expression represents the yearly cost for x movie rentals?

Answers

Answer:

2.95 x + 39.95 (12)

Hope this helps!!

Final answer:

The yearly cost for a student's movie rentals with a monthly subscription fee and a per-movie fee is expressed as $479.40 + $2.95x, where x is the number of movies rented.

Explanation:

The yearly cost for x movie rentals from an on-demand movie company that charges a monthly fee and a per-movie fee can be represented by an algebraic expression. To find this expression, we need to account for both the monthly fee and the cost per movie.

The monthly fee is $39.95, so over one year, this fee would be 12 times $39.95.

For each movie rented, there is an additional charge of $2.95. If x movies are rented over a year, this cost is x times $2.95.

Combining these two costs gives us the total yearly cost:

Yearly Cost = (12 \(\times\) $39.95) + ($2.95 \(\times\) x)

This can be simplified to:

Yearly Cost = $479.40 + $2.95x

Write an equation of a line that includes the point (22,12) and has a slope of 4 in standard form

Answers

Because you're given a point and the slope, you're going to use point-slope form.

Point slope form: y-y1=m(x-x1)

You have to put your given values into the equation.

y-12=4(x-22)

Because it wants the equation in standard form, you leave the equation as is.

I hope I was able to help. Best of luck!

The equation of the line that passes through the point (22,12) and has a slope of 4 is; y = 4x - 76

What is the Point-slope form?

The equation of the straight line has its slope and given point.

If we have a non-vertical line that passes through any point(x1, y1) and has a gradient m. then general point (x, y) must satisfy the equation

y-y₁ = m(x-x₁)

Which is the required equation of a line in a point-slope form.

Where x₁ - x coordinate and y₁ - y coordinate

Point (22,12)

Then Slope m =4

Now Write the equation as

y - 12 = 4(x - 22)

y = 4x - 76

Hence, the standard form of the line is; y = 4x - 76

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Molly earns $8 per hour at her job. Last month, Molly worked for 45 hours. On her paycheck, Molly noticed that she paid $38.50 for federal income tax, $22.32 for Social Security, and $5.22 for Medicare. Molly's net income was

Answers

$293.96 is her income after deductions
Final answer:

Molly's gross income is $360, and after subtracting her total deductions ($66.04), her net income is $293.96. This demonstrates the difference between gross and net income.

Explanation:

To find Molly's net income, we will first need to calculate her gross earnings, and then subtract her deductions. Molly's gross earnings are her hourly wage multiplied by the number of hours she worked, so: $8/hr * 45 hours = $360.

Next, we add up Molly's deductions: $38.50 (federal tax) + $22.32 (Social Security) + $5.22 (Medicare) = $66.04.

Finally, to determine Molly's net income, we subtract her total deductions from her gross earnings: $360 - $66.04 = $293.96.

This example illustrates the concept of gross income versus net income. Gross income is the total amount earned before deductions, and net income is the amount left after deductions have been subtracted, which is the exact amount the employee receives in their paycheck.

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16. 7⁄8 = ?⁄48 A. 42 B. 1 C. 13 D. 6
i cant answer it :(

Answers

7/8=0.875

42/48=0.875

Hope this helps!

The answer is A) 42. If 7/8= x/48 that means you would multiply 8(the bottom number) by 6 to get 48. And if you multiply the bottom by 6, you have to multiply the top by 6. So 7 x 6= 42. 

Suzie purchased a dress on sale for $27.20. This is 85% of the original price. What was the original price?

Answers

27.2/0.85= 32

The original price of the dress is $32.

Hope this helps!

The original price of the dress purchased by Suzie is given by the equation A = $ 32

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the original price of the dress be A

Now , the equation will be

The cost of the purchase = $ 27.20

The percentage of the cost of purchase = 85 %

So ,

The original price of the dress x percentage of the cost of purchase = cost of the purchase

Substituting the values in the equation , we get

A x ( 85/100 ) = 27.20

On simplifying the equation , we get

Multiply by 100 on both sides of the equation , we get

85A = 2720

Divide by 85 on both sides of the equation , we get

A = 2720/85

A = $ 32

Therefore , the value of A is $ 32

Hence , the original price of the dress is $ 32

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If Leslie has a total monthly budget of $4000 and spends $500 on a car payment, What percentage of her monthly budget is dedicated to the car payment?

Answers

500 / 4000 = .125= 12.5%

Answer:

12.5%

Step-by-step explanation:

We have been given that Leslie has a total monthly budget of $4000 and spends $500 on a car payment.

To find the percentage of her monthly budget is dedicated to the car payment, we will find 500 is what percent of 4000.

[tex]\text{Leslie's monthly budget dedicated to car payment}=\frac{500}{4000}\times 100\%[/tex]

[tex]\text{Leslie's monthly budget dedicated to car payment}=\frac{50}{4}\%[/tex]

[tex]\text{Leslie's monthly budget dedicated to car payment}=12.5\%[/tex]

Therefore, 12.5% of Leslie's monthly budget is dedicated to the car payment.

A circle has a diameter with endpoints at –3 + 18i and 7 – 6i. Which point is also on the circle?

Answers

I found this on an answer to the same question 

Answer:

D. 14+11i

Step-by-step explanation:

Edge

What is the area of trapezoid ABCD ?



Enter your answer as a decimal or whole number. Do not round at any steps.

__units²

Answers

the answer is 50 units

EASYYYYYYYYYYYYYYYYYYYYYYYYYYYY

Answers

The correct answer is:  [C]:  " -5 ΙxΙ = 25 " .
______________________________________________
In this answer choice, when you divide each side by "-5" ; 

 you get:  " ΙxΙ = -5 ;

If x = 5, the result is "5" ; NOT "-5" .

If x = -5, the result is "5" ; NOT "-5" .

The "absolute value" of a value is always "zero" or greater.
______________________________________________
Answer choice:  [C]: has no solution.
______________________________________________

The degree of the polynomial function f(x) is 4.

The roots of the equation f(x)=0 are −6 , −2 , 1, and 3.

Which graph could be the graph of f(x) ? 

Answers

Answer:

option B

Step-by-step explanation:

The degree of the polynomial function f(x) is 4.

The roots of the equation f(x)=0 are [tex]−6 , −2 , 1,[/tex] and 3.

We are given with four roots. they are the x intercepts

x intercepts are [tex]−6 , −2 , 1,[/tex] and 3

The polynomial has degree 4, the polynomial goes up on both sides

We look at the graph that has x intercepts [tex]−6 , −2 , 1,[/tex] and 3 and both ends of the graph goes up

option B is correct

The graph that could be the graph of f(x) is;

The second graph which is the one at the top right

We are told that;

Degree of polynomial f(x) = 4; This means it has 4 roots

Roots of polynomial = -6, -2, -1 and 3

The roots of a polynomial simply means the values of x at which the function f(x) is equal to zero. This simply means the x- intercept is the root.

Thus, the x-intercept of the correct graph should be at;

x = -6; x = -2 ; x = -1 and x = 3

Looking at the given graphs, the only one that has its' x-intercepts at x = -6; x = -2 ; x = -1 and x = 3 is the second graph at the top right.

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(5 - 3i)(6 + 2i)

Multiply and simplify.
A) 24 - 8i
B) 24 + 8i
C) 30 - 2i
D) 36 - 8i

Answers

Answer:

The correct answer is D

Step-by-step explanation:

36 - 8i is correct. Using FOIL we get 30 - 8i - 6i2, but since i2 = -1, we get 30 - 8i - 6(-1), which is 30 - 8i + 6 = 36 - 8i.

the area of a triangle is 56.4cm and the base is 12cm.What is the height of the triangle?

Answers

area of a triangle = 1/2 base x height

56.4 = 1/2 x 12 x height

56.4 = 6 x height

height = 56.4 /6 = 9.4cm


What is the name of the relationship between  ∠1 and ∠4 ? alternate exterior angles corresponding angles adjacent angles alternate interior angles Assessment menu bar

Answers

corresponding angles

Answer:

coresponding angles buddy

Step-by-step explanation:

Quadrilateral FGHI is dilated with respect to the origin by a scale factor of 1/3 . What are the coordinates of G’?

Answers

G(9,-3) being dilated by a scale factor of 1/3 is G'(3,-1) so D. All I did was divide the coordinates by 3 and there you go.

Answer:

D

Step-by-step explanation:

you divide the x and y axis by 3

Got it right on EDG

____ patterns have regular elements spaced at regular intervals.

Answers

Geometric patterns have regular elements spaced at regular intervals. A geometric pattern is created using geometric shapes that repeat themselves. They are often symmetrical. This type of pattern is often found in wallpaper. In certain cultures, they represent unity and order.
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