What is the length of BC in the right triangle below?

What Is The Length Of BC In The Right Triangle Below?

Answers

Answer 1

Answer:

A. 122

Step-by-step explanation:

in right-angle triangle,

AB² + AC² = BC²

22²+120² = BC²

2²×11² + 2⁶×5²×3²= 2²(121+16×25×9)

4(121+3600) = 14884

BC=√14884 = 122


Related Questions

Pre college which is correct

Answers

Answer:

x = 7 and y = -8      ordered pair is (7, -8)

Step-by-step explanation:

0.1x + 0.3y = - 1.7

0.3x - 0.5y = 6.1

Solving the first equation for x    0.1x = -0.3y - 1.7

                                                     0.1x/0.1 = -0.3y/0.1 - 1.7/0.1

                                                          x = -3y - 17

Substitute into the second equation.

0.3(-3y - 17) - 0.5y = 6.1

 -0.9y - 5.1 - 0.5y = 6.1

-1.4y - 5.1 = 6.1

-1.4y = 5.1 + 6.1

-1.4y = 11.2

     y = 11.2/-1.4

     y = -8

     Substitute y into the first  equation and solve for x

               x = -3y - 17

                x = -3(-8) - 17

                x = 24 - 17

                x = 7              

                                                       

PLEASE HELP

What is the value of the expression 12+23b when b=−5 ?

−176

−16

236

I don't know.

Answers

Answer: -103

Step-by-step explanation:

substitute in the value of B

12+23(-5)

multiply 23 and -5 together

12-115

solve

-103 is the answer

Answer:

-103

Step-by-step explanation:

Hey everyone! This questions is tricky for me so can anybody help me out?
I would be very grateful if you can! ​

Answers

g(x) = 2x^2

for g(- 4), you just plug in - 4 for x

g(- 4) = 2(- 4)^2

g(- 4) = 2(16)

g(- 4) = 32

Answer:

g(-4) = 32

Step-by-step explanation:

Given the quadratic function, g(x) = 2x², finding the output value given g(-4) involves substituting the value of the input, x = -4, into the function.

Solution:

g(x) = 2x²

g(-4) = 2(-4)² = 2(-4)(-4)

g(-4) = 2(16)  

g(-4) = 32

Therefore, g(-4) = 32.

420 is divided between george and Nancy in the ratio 2:3 Find who get more money.​

Answers

Answer:

Nancy gets more, she gets 252 while George gets 168.

Step-by-step explanation:

420÷5=84

168:252

George:Nancy

Anna went to the playground at 4:05 P.M. She played on the slide for 30 minutes and the swings for 55 minutes, then went home. What time was it when Anna left the playground?

Include A.M. or P.M. in your answer (for example, 11:58 A.M.).​

Answers

Answer:

5:30 P.M.

Step-by-step explanation:

30 (slide) minutes and 55 (swings) minutes. These numbers (time-wise) total up to an hour and 25 minutes. Adding this to 4:05 P.M. would mean that she left the playground at 5:30 P.M.

Hope this helps.

It is 5:30 P.M when she left the playground

What is the equation of the line that passes through the point (-3,4)(−3,4) and has a slope of 11?

Answers

Answer:

y=5x-11 is the equation of the required line

Please help hurry hurry hurry fast

Answers

For Question 6 it’s + 13 each time so add 13 to the number after
For Question 7 it’s -26 every time so subtract 26 from the number before

Complete the equation.
(-4)^2 =

Answers

16 because - cuts - what I mean is if your are multiplying 2 negative numbers it will become positive, so -4 times -4 is 16 :)

calculate: [ -26 (-26) ] + [ (7) x -0.89 ] = ????

Answers

Answer:

669.77

Step-by-step explanation:

First calculate -26*-26 which is 676
Then calculate 7*0.89 which is -6.23
Finally add the two results together which is 669.77

Find the missing angle

Answers

Answer:

x=33

Step-by-step explanation:

The sum of the angles of a triangle is 180

23+124+x = 180

147+x =180

x = 180-147

x =33

Answer: 33

Step-by-step explanation:

A triangle is equal to 180 degrees. So you add 124 and 23 to get 147. You would then subtract 180-147=33 and then you have your answer. Hope this helps!

you make an invesment of 1,000 that you are not allowed to cash in for 10 years. the value decreases by 10% each year. how much money will be left at the end of the 10 year term

Answers

Answer:

0

Hope I helped

In a movie's opening weekend, 879,575 tickets are sold in 755 theaters. The average cost of a ticket is $9.50. What is the average amount of money earned by each theater?

Answers

The anwser 1,165. !!

Answer:

$11 067.50 each theater

Step-by-step explanation:

879575 * 9.50 = 8355962.50 revenue total   8355962.50 / 755 = $11 067.50 each theater

Find the rate if a principal of $1,800 earned $378 interest in 6 years

Answers

Answer:

Interest rate (r ) = 0.035 or 3.5%

Step-by-step explanation:

Given the principal amount of $1,800, and an interest payment of $378 earned in 6 years:

Use the simple interest formula and algebraically solve for variable, interest rate, r :

I  =  P × r × t

Where:

I = interest payment = $378

P = principal amount = $1,800

t = time (in years) = 6

r = interest rate

Divide both sides by P × t to isolate r :

[tex]\displaytext\sf{\frac{I}{P\:\times\:t}\:=\:\frac{P\:\times\:r\:\times\:t}{P\:\times\:t}}[/tex]

[tex]\displaytext\sf{interest\:rate\:(r)\:=\:\frac{I}{P\:\times\:t}}[/tex]

Substitute the given values into the formula for the interest rate:

[tex]\displaytext\sf{interest\:rate\:(r)\:=\:\frac{378}{1800\:\times\:6}\:=\:\frac{378}{10800}}[/tex]

Interest rate (r ) = 0.035 or 3.5%

Therefore, the interest rate is 3.5%.

Mr. Hansen baked 1,692 chocolate cookies he
package them into boxes of 36 cookies each how many boxes did he fill

Answers

Answer:

47 boxes

Step-by-step explanation:

Since each box has 36 cookies, we can divide the total number of cookies by 36 to find out how many boxes he could fill.

1692/36=47

Need help with 9 only

Answers

9514 1404 393

Answer:

  0, 4, 8

Step-by-step explanation:

As you have noticed, the difference between the end values of x is 20-4 = 16, and the differences in each interval are 4.

The difference between the end values of y is 12 -(-4) = 16, so the differences in each interval will also be 4.

The missing table values are 0, 4, 8. The completed table is ...

  [tex]\begin{array}{cccccc}x&4&8&12&16&20\\y&-4&0&4&8&12\end{array}\right][/tex]

graph F(x)= -3/4X + 6 plotting point​

Answers

Answer:

I'm not entirely sure whether is X is with 4 under the fraction or not, so I put up both graphs results.

First one: F(x) = -(3/4)X +6

Second graph: F(x) = -(3/4X) + 6

if a 1x1 foot tile costs 3.50 each ,how much will it cost mr teal?

Answers

Answer:

Hope this helps.

Step-by-step explanation:

When measuring for floor tile the rule is:

Length x Width + Waste = Amount Needed

Waste Factor will vary based upon tile size, layout, configuration of room, patterns, etc. Typical waste factor is about 10%. Add 15% for tile being installed diagonally or for a room with lots of jogs and corners. These installations will require more cuts and thus more waste.

1. Using what you know about similar triangles, find an equation for the line in the diagram. Find m (slope) and b (y-intercept) in the equation of the line: y = mx + b. Label your answers in decimal form if needed. m = b = 2. What is the slope of this line? Slope = 3. Is the point (9, 11) also on the line? (Type "YES" or "NO") 4. Is the point (100, 193) also on the line? (Type "YES" or "NO") 5. Is the point (20, 33) also on the line? (Type "YES" or "NO")

Answers

Answer: WHERE IS THE DIAGRAM

Amy graphed a point to represent the absolute value of a number on a number line. If the original number is less than −10, describe all the possible values for the point Amy graphed on the number line.

Answers

Answer:

x>= 11 or x>10

Step-by-step explanation:

Absolute value can be used to represent the positive counterpart of a negative number. In this case, we are asked to find a number that is less than -10, meaning from -11 to negative infinity. Since we are asked to take absolute value, we would take |-11| which equals 11, and |-∞| = ∞.

So Amy graphed a value on the number line that is greater than or equal to 11, or any value greater than 10.

*Infinity is not a real number, it represents the largest number possible, which doesn't exist since numbers can continue on forever, so it can be disregarded.*

A population of values has a normal distribution with
μ
=
124.9
and
σ
=
45
. You intend to draw a random sample of 36 items from this population.

Find the probability that the mean of this sample is less than 105.4.

Answers

The probability that the mean of this sample is less than 105.4 is 14.46%

The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:

[tex]z=\frac{x-\mu}{\sigma/\sqrt{n} } \\\\x=raw\ score, \sigma=standard\ deviation, \mu=mean,n\ is\ sample\ mean\\\\\\Given\ that\ \sigma=45,\mu=124.5,n\ =36,hence:\\\\For\ x<105.4:\\\\z=\frac{105.4-124.9}{45/\sqrt{36} }=-1.06[/tex]

From the normal distribution table, P(x < 105.4) = P(z < -1.06) = 0.1446 = 14.46%

The probability that the mean of this sample is less than 105.4 is 14.46%

Find out more at: https://brainly.com/question/7449180

x × 20 = 80
x = ?

Help mee​

Answers

Answer :

x × 20 = 80

x = ?

Answer :

x = 80 ÷ 20

x = 4

x = 4 ✔️

[tex]\large \color{red}\boxed{\bf Answer:}[/tex]

x × 20 = 80

20x = 80

x = 80÷20

x = 4

1. 63 is 90% of what number?
70

with double number lines-Super confused, please help!!

Answers

Answer:

70.

Step-by-step explanation:

Let x be the required number.

We are asked to find the number whose 90% equals to 63.

We can represent our given information in an equation as:

Now, we need to solve for x.

Therefore, 90% of 70 is 63.

Examine the equation that follows. Fill in the missing pieces to create an
equation with no solution. Prove your reasoning.
-9y+ 7 = ?y + ?

Answers

Answer:

-9y + 7 = -9y + 6

Step-by-step explanation:

-9y + 7 = -9y + 6

Has no solution

add 9y to both sides

7 = 6 which is false

therefor no y exists that can result in a solution

Who answer this right gets 10 pts!​

Answers

Answer: 45 degrees angle

Sophie has $4.20 worth of dimes and quarters. She has twice as many quarters as dimes. Find the total number of each coin.

Answers

Answer:

Sophie Has 7 Dimes, And 14 Quarters

Step-by-step explanation:

Sophie Had 7 Dimes, 7 Dimes, 7 Dimes!

Sophie Had 14 Quarters, 14 Quarters, 14 Quarters!

Sophie is Bill Nye's Daughter.

x + 3
if f(x) =
=
9
Х
Find f"(x).

Answers

Answer:

-3/1-x

Step-by-step explanation:

the answer is up look at it

Please help!!

1) Mark a central angle and calculate the measure of the central angle in the polygon below. *

Answers

Answer:

the measure of the central angle of a regular nonagon is 40 degrees.

what are five example recurring decimal

Answers

Answer:

These are some examples of recurring decimals.

Definiton:

A repeating decimal or recurring decimal is decimal representation of a number whose digits are periodic (repeating its values at regular intervals) and the infinitely repeated portion is not zero.

Please please help please help me help help me please help me

Answers

Step-by-step explanation:

-2 is x1

9 is y1

4 is X2

-1 is y2

m= -1-9/4-(-2)

-10/6 =-1.6

Which equation has a solution of r = 1/3

Answers

Answer:

Step-by-step explanation:

Any equation, for example 2r =2/3

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