what is the length of BC ?

What Is The Length Of BC ?

Answers

Answer 1
The answer is c.

Since a^2+b^2=c^2, b^2=c^2-a^2 thus,
16=4-b^2= srt. of 12
Answer 2

Answer:

b = √12

Step-by-step explanation:

Pythogerom Thyrom

a^2 + b^2 = c^2

2^2 + b^2 = 4^2

4 + b^2 = 16

Find the value of b

4 - 4 + b^2 = 16 - 4

b^2 = 12

b = √12


Related Questions

What is the value of x in the figure shown below?
C.
3.4
D
х
39°
5.1
5.1
73°
А
B
3.4

Answers

Answer:

here is a example to help, becuase The format is messed up on my side Construct a line CD to cut the line AB at point E.

We know that in the triangle BDE exterior angle is equal to the sum of two opposite interior angles

 

We know that in the triangle AEC exterior angle is equal to the sum of two opposite interior angles

∠CEB=∠CAB+∠ACE

By substituting the values

 

a number which only 2 factors is called a ​

Answers

Answer:

prime number

Step-by-step explanation:

Bert is planning to open a savings account that earns 1.6% simple interest. He wants to earn exactly $336 in interest after 3 years. How much money should he deposit

Answers

Answer:

30.50

Step-by-step explanation:

just add

toy store is having a sale on puzzles. For each puzzle Naomi buys
she gets 75% off a second puzzle. The original price of a puzzle is $16.60.
How much would 4 puzzles cost? *

Answers

Answer:

4 puzzles would cost $41.50

Answer:

$41.50

Step-by-step explanation:

Add the currency of your sum then subtract but double the 75%

i hope this helped :)

Jordyn is weighing ingredients on a kitchen scale to make bread. The bowl weighs 1½ pounds. He adds several scoops of flour. The total weight of the bowl and the flour is 2¾ pounds. If each cup of flour weighs 5/16 pound, how many cups of flour does he add? Show your work.

Answers

Answer:

Weight of the flour = 5/4 pounds

Number of cups added = 4 cups

Step-by-step explanation:

Weight of the bowl = 1½ pounds

Total weight of the bowl and the flour = 2¾ pounds

Weight of the flour = Total weight of the bowl and the flour - Weight of the bowl

= 2¾ pounds - 1½ pounds

= 11/4 - 3/2

= 11-6/4

= 5/4 pounds

Weight of the flour = 5/4 pounds

If each cup of flour weighs 5/16 pound, how many cups of flour does he add

Number of cups added = 5/4 ÷ 5/16

= 5/4 × 16/5

= (5*16)/(4*5)

= 80/20

= 4

Number of cups added = 4 cups

Find the equation of the line.
Use exact numbers.

Answers

Answer:

[tex]y = \frac{3}{6}x - 3[/tex]

2/5(25y - 50) + 25y simplified

Answers

Answer:

35y - 20

Step-by-step explanation:

Given

[tex]\frac{2}{5}[/tex](25y - 50) + 25y ← distribute parenthesis

= 10y - 20 + 25y ← collect like terms

= 35y - 20

Find one length of the square (7x-3) 3(x+1) calculator

Answers

Answer:

side = 7.5 cm

Step-by-step explanation:

7x-3 = 3(x+1)

7x-3 = 3x+3

reduce:

4x = 6

x = 1.5

side = 3(1.5)+3 = 7.5 cm

Mr. King divides his entire class into 8 stations. He assigns 4 students to each station. How many students are in the class?

Answers

Answer:

32 students are in the class.

Step-by-step explanation:

8 * 4 = 32

Hope this helped! Have a nice day! Plz mark as brainliest!!! :D

-XxDeathshotxX

Answer:

32

Step-by-step explanation:

8 multiplied by 4

How to find the estimate square root of 23?

Answers

Answer:The square root is √23 = 4.795.

Step-by-step explanation:

If the midpoints of the sides of ∆EFG shown below were connected with line segments, what would be the perimeter of the resulting triangle? Explain how you arrived at your answer. *

Answers

Answer:

17.5

Step-by-step explanation:

I beleive since we are connecting midpoints you divide each side by 2 and add them all up to get the perimeter of the smaller triangle made with the ratio of 1:2

The midpoints of the sides of ∆EFG are connected with line segments, then the perimeter of that triangle is 15.5 cm.

What is the triangle?

Triangle is a polygon that has three sides and three angles. The sum of the angle of the triangle is 180 degrees.

Given

If the midpoints of the sides of ∆EFG shown below were connected with line segments.

Then the sides of the triangle get half.

Then the perimeter will be of a new triangle will be

[tex]\rm Perimeter = \dfrac{8}{2} + \dfrac{15}{2} +\dfrac{12}{2}\\\\Perimeter = 17.5[/tex]

Thus, the midpoints of the sides of ∆EFG are connected with line segments, then the perimeter of that triangle is 15.5 cm.

More about the triangle link is given below.

https://brainly.com/question/25813512

yeah can someone help

Answers

Answer:

14 2/3

Step-by-step explanation:

multiply the area of the base by the height which is also 2 x 7 1/3. that is equal to 14 2/3

:)

the answer is 14 2/3
i agree with the person above

B.State if the three numbers can be the measures of the sides of a triangle.​

Answers

Answer:

B. Is the right answer you can now because of the measure

Solve the following inequality for x: −4x + 2(5x − 6) > −3x − 39

Answers

Answer: x > -3

Step-by-step explanation:

Answer:

x>-3

Step-by-step explanation:

Solve the equation 5.5(x-3)=17+10.5 in systems of equations. How can you find your solution?

Answers

Answer:

x= 8

Step-by-step explanation:

5.5(x-3)=17+10.5

5.5x - 16.5= 27.5

5.5x= 44

x= 8

1. Akari has a sink that is shaped like a half-sphere. The sink has a volume of
8000
*n in. One day, her sink clogged. She has to use one of two
3
cylindrical cups to scoop the water out of the sink. The sink is completely full,
when Akari begins scooping. Hint: you may need to find the volume for both.
(a) Cup A has a diameter of 4 in, and a height of 8 in. Find the Volume of Cup A.
(b) Determine how many cups of water must Akari scoop out of the sink with Cup A to
empty it? Round the number of scoops to the nearest whole number, and make
certain to show your work.
(c) Cup B has a diameter of 8 in, and a height of 8 in. Find the volume of Cup B.
(d) How many cups of water must she scoop out of the sink with Cup B to empty it?
Round the number of scoops to the nearest whole number, and make certain to
show your work

Answers

Answer:

the fisrst cup has a volume of 100.53

Step-by-step explanation:

The price of a jacket was reduced from $20 to $12. By what percentage
was the price of the jacket reduced?

Answers

60% should be the correct answer

The midpoint of AB is M(3, -3). If the coordinates of A are (2, -8), what are the coordinates of B?

Answers

Answer:

(4,2)

Step-by-step explanation:

What’s the volume of the rectangular prism

Answers

Answer:

24cm3

Step-by-step explanation:


The ages of three brothers are consecutive integers. The sum of their ages is 63. Find their ages.

Answers

Answer: 20,21,22
They add up to 63

7) which equation matches the algebra tiles

Answers

Answer:

i think the ans is 4(-x-1) = 12

Step-by-step explanation:

Determine wether the pair of triangles are similar. Explain your answer.

Answers

No. The sides are not rational

Which 2 variables are most likely to show a negative correlation when represented on a scatter plot?

Answers

Answer:

Water level and temperature

Step-by-step explanation:

Scatter plots are used to graph linear data containing to two variables, with the independent variable on the x - axis and the dependent variable on the y-axis. Linear data graphed on a scatter plot may be positive or negative depending on the type of relationship which exists between the two variables. Positive relationships are represented by positive slopes, with x increasing as y increases. Negative relationship on the other hand results in a reduction in Y as X increases and vice versa. Examples of negative correlation include the association between water level and temperature. ; water level will usually decrease as temperature rises. Therefore, any association between variables whereby a increase in one leads to a corresponding decrease on the other is tagged as a negative correlation.

There are a total of 63 bikes at a sports shop. If 18 bikes are blue, what is the ratio of blue bikes to black bikes?

Answers

Answer:

45 to 18 it's easy

Step-by-step explanation:

subtract 18 from 63 and there is your ratio

Does anyone know this answer plz??

Answers

Answer:

y = 2x + 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 3, 1) and (x₂, y₂ ) = (- 2, 3)

m = [tex]\frac{3-1}{-2+3}[/tex] = [tex]\frac{2}{1}[/tex] = 2 , then

y = 2x + c ← is the partial equation

To find c substitute (- 3, 1 ) into the partial equation

1 = - 6 + c ⇒ c = 1 + 6 = 7

y = 2x + 7 ← equation of line

HURRY! please help me please quick

Answers

Answer: She jump ropes 7/3 or 2 1/3 of an hour every week

Step-by-step explanation: This is because she jump ropes 1/3 each day and there's 7 days in a week so 7/3 or 2 1/3(2 hours and 20 minutes)

I hope you are having a nice day!

Answer:

2 hours 33 minutes

Step-by-step explanation:

1/3 of an hour is 20 minutes

20 times 7 is 140

140 divided by 60 is 2.33 hours

so 2 hours and 33 minutes

What is the value of x in the diagram below?

Answers

Answer:

x = 3

Step-by-step explanation:

We divide the sides by 3 to get the triangle in question

solve this equation for y, y=x-4

Answers

Answer:

It’s already solved for y

y = x - 4

Step-by-step explanation:

If it’s for x,    X = y + 4

Guys Im so confused right now on these questions please stop and help meh

Answers

Answer:= 293.09

Step-by-step explanation:

poop

wjadjafsbhk,feghkfgeHKfdGHKfdghfdghjkfdghsjkghkjdfsghjkfsdhSBDFD,mngFHgaEFAWWadw1232432134131341414233122

if it takes 3 men 5 hours to dig 12 holes, how many hours does it take for 3 men to dig 84 holes?

Answers

Answer:

Hence it will take 35hours

Step-by-step explanation:

Let the time it took to dig hole be x

Ley the number of holes be n

Using the relationship x = kn (direct relationship)

if it takes 3 men 5 hours to dig 12 holes, hence;

when x = 5, n = 12

k = x/n

k = 5/12

To get how many hours it take for 3 men to dig 84 holes, then;

when n = 84, x = ?

x = 5/12 * 84

x = 5 * 7

x = 35hours

Hence it will take 35hours

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