Can someone find "BC" for me plz?

Can Someone Find "BC" For Me Plz?

Answers

Answer 1

Answer:

BC = 104

Step-by-step explanation:

By the SAS postulate, ΔBDA and ΔBDC are congruent, meaning that each of the corresponding sides are equal in length.

BD = BD

AD = CD

BA = BC

If we know BA = 21x - 1 and BC = 9x + 59, then we can set them equal to each other and solve for "x".

BA = BC

21x - 1 = 9x + 59

21x = 9x + 60                     Added 1 to both sides

12x = 60                             Subtracted 9x from both sides

x = 60/12                            Divided both sides by 12

x = 5                                   Reduced fraction, solved for "x"

To find BC, substitute x = 5 into the equation for BC.

BC = 9x + 59

BC = 9(5) + 59                    Substituted "x" for 5

BC = 45 + 59                      Multiplied 9 and 5

BC = 104                            Added, solved for BC

∴ BC = 104


Related Questions

Evaluate.
3 1/5 / 5 √-96=

Answers

Answer:

((3 1/5)/5) √(-96) =

6.27069374 i

Step-by-step explanation:

A rectangular book measures 4 x 7. What is the length of its
diagonal?

Answers

pythagorean theorem tells us a^2 plus b^2 is c^2, in this case a would be 4, b is 7, and c is the diagonal. 16+49 is the c^2, so the diagonal is about 8

A rectangular book measures 4 x 7, the length of its diagonal is √65.

Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.

In mathematical terms, if a and b represent the lengths of the two shorter sides (also known as legs) of a right triangle, and c represents the length of the hypotenuse, then the Pythagorean theorem can be expressed as:

a² + b² = c²

Given:

Base = 4

Length = 7.

To determine the length of diagonal by using  Pythagorean  theorem.

Diagonal² = Base² + Length²

Plugging the values in Pythagorean  theorem.

Diagonal² = 4² + 7²

Diagonal = √(16 + 49) =√65.

Therefore, the length of diagonal of book is √65.

Learn more about Pythagorean  theorem here:

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Zach's pet mouse drinks 1.084 milliliters of water each week.
Round the amount of water to the nearest hundredth.

Answers

Answer:

it is 1.08

Step-by-step explanation:

it was this on khan

17.82 + 6.4 =
???????

Answers

Answer:

24.22

Step-by-step explanation:

simple addition right lol

Answer:

24.22

Step-by-step explanation:

!!!!!!!!!!!

freh points for da butter dog the dog wit da butter

Answers

Answer:

tanks for the freh points

Step-by-step explanation:

we all like freh points

Answer:

butter dog sounds cool

Step-by-step explanation:

EXOTIC BUTTERS?

select the equation that represents the correct answer. bill divided the 32 ants in his farm into groups. there are 8 ants in each group. how many groups are in the farm?

(A) 8x = 32

(B) 32 - X = 8

(C) X + 8 = 32

(D) 32x = 8

Answers

Answer:

dont cheat

Step-by-step explanation:

Find the radius of the given circle with the center at (-2,1) and a point on the circle at (0,3).​

Answers

Answer:

The radius of the given circle ( r ) = 2√2

Step-by-step explanation:

Step(i):-

Given that the center of the circle C = ( -2,1)

Given a point on the circle P = (0,3)

The distance between the center and point is called the radius of  the circle

CP = radius of the circle

Step(ii):-

[tex]CP = \sqrt{x_{2} - x_{1})^{2} +(y_{2} -y_{1} )^{2} }[/tex]

[tex]CP = \sqrt{(0 - (-2))^{2} +(3-1)^{2} } \\CP = \sqrt{4+4}[/tex]

CP = √8 = [tex]\sqrt{4 X 2} = 2\sqrt{2}[/tex]

Final answer:-

The radius of the given circle ( r ) = 2√2

6x + 3y = 12
4x + y = 14 what is the solution


Answers

Answer:

x=5 y=-6

Step-by-step explanation:

6x + 3y = 12  , 4x + y = 14

4x*3+y*3=14*3

12x+3y=42 , 6x+3y=12

(12x-6x)+(3y-3y)=30

6x=30, x=5

4*5 + y = 14

y=-6

What is the value of X?

PLEASE HELP

Answers

Answer:

23

Step-by-step explanation:

19=x-4

x=23

Shannon and Bob are members of a cross-country team. Bob runs at a rate of 8 kilometers per hour and Shannon runs at a rate of 10 kilometers per hour. If the distance around the team's practice course is 1.7 kilometers, how much longer does it take Bob to complete one trip around the course than Shannon, to the nearest tenth of a minute?

Answers

Answer:

2.6 minutes

Step-by-step explanation:

Speed of Bob = 8 km/hr

Speed of Shannon = 10 km/hr

Distance of practice course = 1.7 km

As time = (distance)/(speed), so

Time taken by Bob to cover the distance, t1 = 1.7/8=0.2125 hours

Time taken by Shannon to cover the distance, t2 = 1.7/10= 0.17 hours

As t1 > t2, so, Bob takes more time than Shannon to complete the course.

t1-t2= 0.2125-0.17 = 0.0425 hours = 0.0425 x 60 minutes= 2.55 minutes.

On rounding up to tenth digit, t1-t2 = 2.6 minutes.

Hence, It takes 2.6 minutes more time for Bob to complete one trip around the course than Shannon

What is the equation of the line perpendicular to the line y = 2x + 3 with a y-intercept of -6

Answers

Answer:

         y = -¹/₂ x - 6

Step-by-step explanation:

Two lines are perpendicular if the product of theirs slopes is equal -1:

y=m₁x+b₁   ⊥   y=m₂x+b₂   ⇒    m₁×m₂ = -1

 

y = 2x + 3   ⇒   m₁=2

2×m₂ = -1        ⇒    m₂ = -¹/₂

The y-intercept is b=-6 so the equation in  slope-intercept form:

                                                y = -¹/₂ x - 6

-1/6 + 4/5 Write your answer in simplest form

Answers

Answer:19/30

Step-by-step explanation:

1. multiply and divide(left to right)-1/6

=-1/6+4/5

2.multiply and divide(left to right)4/5

=-1/6+4/5

3. add and subtract(left to right)-1/6+4/5=19/30

=19/30

Find the perimeter of the following shapes 9cm and 4.1?

Answers

Answer: a) 26.2 cm

Step-by-step explanation:

Perimeter of rectangle = 2 (l + w)

2 (l + w) = 2 (9 + 4.1) = 2 (13.1) = 26.2 cm

Hope this helps!

HELP !!!!!!! MAHH HELP PLEASE !!!!

Answers

A. ( 5 , 3 )
B. ( 3 , -1 )
C. ( 1 , 2 )
D. ( 6 , 3 )
E. ( 9 , 2 )
F. ( 2 , -5 )
G. ( 2 , -3 )
H. (-16/11 , 28/11 )


Please mark BRAINLEST

FMFWE,KFJWKJWKLEJWLKERJWLKRJLWKERJLWRJLWRJLWERJWERJWLKRJWERJWLE

Answers

Step-by-step explanation:

Is this some typing error? Please retype your question for assistance

Gregor Mendel is examining peas to try to understand how traits are passed from parents to offspring. Today, Gregor has 228 peas to examine. The pods have 6 peas per pod.
How many pods of peas are there?

Answers

Answer:

There are 38 pods, because 228 divided by 6= 38

Step-by-step explanation:

(number of pods)×(peas per pod)=(total peas)

The following are the temperatures in °C for the first 14 days of January:
-6, -2.5, 2, 2.5, -0.5, 5, 10, -3, -7, 3, -1, 7, 1, 4.5
What is the median temperature for those 14 days?​

Answers

Answer:

14.5°C

because -6+-2.5+2+2.5+-0.5+5+10+-3+-7+3+-7+3+-1+7+1=14.5

I just need help on this problem​

Answers

Answer:

16

Step-by-step explanation:

8n ; n=2

substitute 2 for n

8*2 = 16

Answer:

16

Step-by-step explanation:

plug in 2 for the letter n. 8(2)=16

parantheses mean multiplication.

consider this system of equationsY=-1/2x+4 1/2 and 3x -4y=12 solve the system by graphing.Label each graph and the solution ...?HELP

Answers

Answer:

y=x^2

Step-by-step explanation:

What’s the solution for 6x = 18

Answers

Answer:

x = 3

Step-by-step explanation:

Divide 6 on both sides to get your answer which is 3.

Answer: x=3

Step-by-step explanation:

6x=18

x=18/6

x=3

Check: 6(3) =18

A food store makes a 11-lb mixture of oatmeal, crispies, and chocolate chips. The cost of oatmeal is $1.50 per pound, crispies cost $2.00 per pound, and chocolate chips cost $1.00 per pound. The mixture calls for twice as much oatmeal as crispies. The total cost of the mixture is $17.00. How much of each ingredient did the store use?

Answers

Answer:

6 pounds of oatmeal, 3 pounds of crispies and 2 pounds of chocolate chips were used.

Step-by-step explanation:

Let,

x be the pounds of oatmeal used

y be the pounds of crispies used

z be the pounds of chocolate

According to given statement;

1.50x+2.00y+1.00z = 17.00     Eqn 1

x+y+z = 11      Eqn 2

x = 2y   Eqn 3

Putting x=2y in Eqn 2

2y+y+z = 11

3y+z = 11     Eqn 4

From Eqn 4

z = 11 - 3y    Eqn 5

Putting value of x and z from Eqn 3 and Eqn 5 in Eqn 1

1.50(2y) + 2.00y + 1(11-3y) = 17.00

3y+2y+11-3y=17

[tex]2y=17-11\\2y=6\\\frac{2y}{2}=\frac{6}{2}\\y=3[/tex]

Putting y = 3 in Eqn 3

x= 2(3)

x= 6

Putting in Eqn 2

6 + 3 + z = 11

z = 11-9

z= 2

Hence,

6 pounds of oatmeal, 3 pounds of crispies and 2 pounds of chocolate chips were used.

Can someone please help me answer this

Answers

Answer:

45/100 and 55/100

Step-by-step explanation:

Simplify the Fraction, if you dont know how just look up fraction simplifier

A cleaning company charges $3 per square foot and a flat fee of $100. Which of the equations below shows the cost y, in dollars, of cleaning a patio that is x square foot? Hint: find the key words and corresponding amounts for "m" and "b."​

Answers

Step-by-step explanation:

Y= 3x + b

As, to know the total, which is y, we need to solve for the cost

So first for money per square foot = $3

For square foot = x

So, price for x square foot = $3x (here this is the value of m)

Now, for value b,

$100 is added to the cost as its the charge, as the flat fee

So the value of b = $100

So, y=3x+100

is the dilation from figure A to figure B an enlargement or a reduction? what is the scale factor?

Answers

Reduction 1/3 I believe


A shoe store uses a 38% markup to price their items. The store buys the
shoes from the wholesaler for $52. By how much will they mark up the price?

Answers

Answer:

They will Markup the price by $19.76.

Step-by-step explanation:

Markup percent = 38%

Wholesale Price = $52

Markup price can be calculated by simply multiplying the wholesale price by 38% or 0.38.

so

Markup price = 38% of 52

                      = 38/100 × 52

                       = 0.38 × 52

                       = $19.76

Therefore, they will Markup the price by $19.76.

Harold opened a credit card at a department store with an APR of 14.55% compounded monthly. What is the APY on this credit card?

Answers

Answer:

the APY on this credit card is 15.56%

Step-by-step explanation:

The computation of the APY is as followS:

The nominal monthly rate is

= 0.1455 ÷ 12

= 0.012125

Now

real annual rate= [(1 + Nominal monthly rate)^number of months] - 1

= [(1.0.12125^12) - 1]

= 15.56%

Hence, the APY on this credit card is 15.56%

The same is considered by applying the given formula

Please help me with this I’ll mark brainiest

Answers

Answer:

44/2 = ?/22

I am so glad I could help!

If you need any more help, make sure to send me a friend request.

Make sure to rate, like and give brainliest so I know how well I did.

-maddy <33

Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Together they made 13 resolutions. How many resolutions did Harry make?

Answers

Answer:

Harry made 9 resolutions

Step-by-step explanation:

Okay, so the first thing that we have to do is divide 13 by 2.

Of course, it wouldn't equal so let's just say 6.

So both boys made around 6 resolutions each.

Now we have to take into consideration the 5 more resolutions that Harry made.

What I did to answer this question was I kept taking away Tim's resolutions and giving them to Harry until Harry had 5 more resolutions than Tim.

Finally, my resolution ratio came to 4:9

Tim made 4 resolutions and Harry made 9

In conclusion, Harry made 9 resolutions.

Plz mark me brainliest :)

There are 9 resolutions did Harry make.

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

Harry and Tim both made New Years resolutions.

Harry made 5 more resolutions than Tim.

And, Together they made 13 resolutions.

Now,

Let number of resolution Tim make = x

Then, Number of resolution Harry make = x + 5

Since, Together they made 13 resolutions.

Hence, We get;

⇒ x + (x + 5) = 13

⇒ 2x = 13 - 5

⇒ 2x = 8

⇒ x = 4

Thus, Number of resolution Harry make = x + 5

                                                              = 4 + 5

                                                              = 9

Learn more about the mathematical expression visit:

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If the measures of two angles of a triangle are 102° and 27°, what is the measure of the third angle?
The measure of the third angle isº

Answers

Answer:

75°

Step-by-step explanation:

this isnt really step by step but its some thing

102

-27=

75°

jsjsbsjdjsjannsnsns ​

Answers

Answer:

yes this is so normal to do

Answer


Thx for the points

Have a good night :)
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