semejanza y congruencia ​

Answers

Answer 1

Answer:

English pls

Step-by-step explanation:


Related Questions

Suppose that the weather forecast indicates a 10% chance that cold weather will reduce the citrus grower’s profit from $100,000 to $85,000 and a 10% chance that cold weather will reduce the profit to $75,000. Should the grower spend $5000 to protect the citrus fruit against the possible bad weather?

Answers

Answer:

We can think in this situation as:

There is 10% (or a probability equal to 0.1) where the citrus grower's profit will be reduced by $15,000

There is 10% (or a probability equal to 0.1) where the citrus grower's profit will be reduced by $25,000

And in the remaining 80% (or a probability equal to 0.8), the profit does not change.

Then the expected value for the total profit can be written as:

EV = $100,000 + ( 0.1*(-$15,000) + 0.1*(-$25,000) + 0.8*$0)

     =  $96,000

In the case where the citrus grower spends $5000 to protect the fruits against possible bad weather, there is a 100% that is profit will not change, but he must pay $5,000

Then his profit will be:

P = $100,000 - $5,000 = $95,000

So in this case, the profit is $1000 less than the expected profit in the prior case. So the scenario where he does not buy the protection has a larger expected profit, which may mean that is better to not buy it (in a straight mathematical point of view)

One also could think that  the values are really close together, so buying the protection does not mean a big change, and increases the security

please help me asap​

Answers

Answer:

2 5/18

Step-by-step explanation:

It's the last choice

39 decreased by a number p

Answers

Answer:

mm

Step-by-step explanation:

I don't know sooorryy

Step 3: Estimate the Volume of Each Regularly Shaped Ball
Estimate the volume of each ball. Use the formula
4
V== πr³
where Vis the volume and r is the radius. Record the
volumes in Table A of your Student Guide.
What is the estimated volume of the table tennis ball
cm³
What is the estimated volume of the golf ball?
cm³

Answers

estimated Volume of tennis ball by given data = 38.808 .

estimated Volume of golf ball by given data = 33.523 .

WHAT IS SPHERE ? HOW TO FIND ITS VOLUME ?

In terms of geometry, a sphere is described as a collection of points that are spaced apart by a specific amount. The supplied point is referred to as the sphere's center, and the given distance from the sphere's center to the collection of points that make up the sphere is referred to as the sphere's radius.

Many everyday things, including balls and globes, are spheres. Finding a sphere's radius and entering it into the straightforward formula V = [tex]\frac{4}{3}[/tex]π [tex]r^{3}[/tex] will allow you to determine its volume.

CALCULATION

Given: The radius of the tennis ball is 2.1cm and the radius of the golf ball is 2.0cm. the formula is V=4πr(to the 3rd power) /3 .

To find: Volume of tennis ball and golf ball .

Formula used: V = [tex]\frac{4}{3}[/tex]π [tex]r^{3}[/tex] .

pi(π) =[tex]\frac{22}{7}[/tex] .

We are given that

Radius of the tennis ball = 2.1 cm

radius  of the golf ball =2.0 cm.

We need to find the volume of each ball

So , plugging the given values of radius in above formula

Volume of the tennis = [tex]\frac{4 * 22 * (2.1)^{3} }{3 * 7}[/tex] = 38.808 [tex]cm^{3}[/tex]

On simplification we get, volume of tennis ball = 38.808 [tex]cm^{3}[/tex]

Volume of the golf ball= [tex]\frac{4 * 22 * (2.0)^{3} }{ 3*7}[/tex] = 33.523[tex]cm^{3}[/tex]

On simplification we get, volume of golf ball = 33.523[tex]cm^{3}[/tex]

∴ The volume of tennis ball = 38.808[tex]cm^{3}[/tex]

Volume of golf ball = 33.523[tex]cm^{3}[/tex]

learn more about sphere and its volume here :

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2y − 7x + 4x2 + 3y + 7x

A 4x2 − 14x + 5y
B 4x2 − 14x
C 4x2 + 14x + 5y
D 4x2 + 5y

Answers

Answer:

5y + 8

Step-by-step explanation:

Answer is A;

unless you forgot your parentheses are the (2y-7x+4x)(2+3y+7x) then your answer would be different


identify the k-value that makes the relationship shown in the table below proportional.​

Answers

Answer:

The value of k that makes the relationship shown in the table below proportional is [tex]\mathbf{\frac{1}{2}}[/tex]

Step-by-step explanation:

The relation is proportional if [tex]y=kx \:or\:k=\frac{y}{x}[/tex]

Putting values of x and y to find k.

For x =2 and y =1 k is: [tex]k=\frac{y}{x}=\frac{1}{2}[/tex]

For x =4 and y =2 k is: [tex]k=\frac{y}{x}=\frac{2}{4} =\frac{1}{2}[/tex]

For x =6 and y = 3 k is: [tex]k=\frac{y}{x}=\frac{3}{6} =\frac{1}{2}[/tex]

For x = 8 and y = 4 k is: [tex]k=\frac{y}{x}=\frac{4}{8} =\frac{1}{2}[/tex]

For x =10 and y = 5 k is: [tex]k=\frac{y}{x}=\frac{5}{10} =\frac{1}{2}[/tex]

So, The value of k that makes the relationship shown in the table below proportional is [tex]\mathbf{\frac{1}{2}}[/tex]

Tessa returned a book to the library 16 days
late. If she was charged $0.35 per day,
what was the total fine?

Answers

Answer:

5.60

Step-by-step explanation:

Answer: $5.60

Step-by-step explanation:

Given:

Tessa did not return her book for 16 daysThe fee per day was $0.35

We must find:

The total cost after 16 days

Let t = total cost.

We will multiply 0.35 by 16 to get the answer.

t = 5.60

Enter the value for x that makes the equation 5 + 3x - 37 = 6x + 23 - 8x true.

Answers

Answer:

pretty sure the answer is 11

Answer:

x = 11

Step-by-step explanation:

5 + 3x - 37 = 6x + 23 - 8x

3x - 6x + 8x = 37 - 5 + 23

11x - 6x = 60 - 5

5x = 55

x = 55/5

x = 11

Thus, the value for x is 11

-TheUnknownScientist

(4x3−12x2−5)−(−8x2+4x+3)=
find the difference

Answers

Answer:

4x³ - 4x² - 4x - 8

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Algebra I

Combining Like Terms

Step-by-step explanation:

Step 1: Define expression

(4x³ - 12x² - 5) - (-8x² + 4x + 3)

Step 2: Simplify

Distribute negative:                    4x³ - 12x² - 5 + 8x² - 4x - 3Combine like terms (x²):             4x³ - 4x² - 5 - 4x - 3Combine like terms (Z):              4x³ - 4x² - 4x - 8

A rectangle has a length of 3 1/4 feet and a width of 1 1/3 feet. What is the area of the rectangle?

Answers

Answer:

the answer is simple 4 1/3

Step-by-step explanation:

you can support me with brainliest

Answer:

13/3 or 4 1/3

Step-by-step explanation:

area of rectangle = length * width

3 1/4 feet as an improper fraction is 13/4

1 1/3 feet as an improper fraction is 4/3

length * width

13/4 * 4/3

= 13/3 or 4 1/3

Your bedroom wall is 150 inches wide. You want to hang two posters, each 27 inches across, with an equal space between each poster and the wall edges.

How many inches of space should you leave between the wall edge and each poster?

Answers

Answer:

32

Step-by-step explanation:

let the space be x

x + 27 + x + 27 + x = 150

3x + 54 = 150

3x = 96

x= 32

Ed is a mid segment for this triangle solve for X

I will give a brainless if a kind human being could answer this problem and explain it this is due in 15 mins and I’m confused :(

I will give a Brainlist also :)

Answers

Answer:

Step-by-step explanation:

What you are being told is that 3x - 7 is twice as big as x. You can see that because ST (for example) is cut into 2 equal parts. So is UT (cut into two equal parts). So the parts of the Big Triangle (SUT) are twice as Big as the parts of the small triangle DET

So multiply x by 2

3x - 7 = 2x                                Add 7 to both sides

3x - 7  + 7 = 2x + 7

3x = 2x + 7                               Subtract 2x from both sides

3x-2x = 7

x = 7

Evaluate the expression 6³

Answers

Answer:

6 to the power of 3 means your base number is 6 and the 3 is how many times you multiply 6 by itself (6×6×6). the answer is 216

Morgan is visiting a city and wants to take a taxi. The driver tells Morgan that they charge per kilometer and
shows this table describing their cost:

Answers

The amount it would cost Morgan to travel 13 km is £32.5

Calculating Cost

From the question, we are to calculate how much it would cost Morgan to travel 13 km

From the given table, we have that

The cost of traveling 5 km is £12.50

and

The cost of traveling 10 km is £25

First, we will determine the cost of traveling 1 km

If the cost of traveling 5 km is £12.50

Then,

The cost of traveling 1 km will be £12.50/5

£12.50/5 = £2.5

The cost of traveling 1 km is £2.5

Now,

If the cost of traveling 1 km is £2.5

Then,

The cost of traveling 13 km will be 13 × £2.5

13 × £2.5 = £32.5

Hence, the amount it would cost Morgan to travel 13 km is £32.5

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Find the equation for the line graph below

Answers

input: find the equation of a line
given two points P = (2,4) and
Q = (9, -1).
The slope of a line passing through the two
points P = (x1, yi) and Q = (x2, y2)
У2 - У
is given by m =
X2 ー X1
We have that x1 = 2, y, = 4, x2 = 9,
У2 = -1.
Plug the given values into the formula for Slope:
m =
(-1) - (4
(9) - (2)
=
-5
7
5
=-+
Now, the y-intercept is b = y, - m • xj (or b = y2 - m • x2, the result is the same).
6=4-(-)・0=
38
7
Finally, the equation of the line can be written
in the form y = mx + b.
y=
5
38

help please with number 2 help please thank you

Answers

Answer:

He will save $300

Hope this helps

Solve the system by substitution.
-2y = x
7x+9y = -45

Answers

Answer:

9

Step-by-step explanation:

substitute the value

You are facing North. Turn 90 degrees left. Turn 180 degrees right. Reverse the direction. Turn 90
degree left Reverse the direction. In which direction are you facing now?
E. East
F. West
G. North
H. South​

Answers

Answer:

i believe that it's north

ANHL player's labor negotiating committee is to be selected from 8 player representatives from the Eastern Conference and 7 player representatives from the Western Conference. Find the probability of selecting 3 Eastern Conference representatives and 2 Western Conference representatives.
a. 1/ 3003
b. 1/3
c. 56/143
d. 140/429

Answers

Answer:

21 / 143

Step-by-step explanation:

Given that:

Number of Eastern conference reps = 8

Number of western conference rep = 7

Probability of selecting 3 from Eastern reps and 2 from western reps

Probability = required outcome / Total possible outcomes

Total possible outcomes:

selection to be made = 3+ 2 = 5

Total Number of players = 8 +7 = 15

Total possible outcomes

Using combination formula :

nCr = n! / (n-r)!r!

15C5 = 15! / 10!5! = (15 * 14 * 13 * 12 * 11) / (5*4'3*2*1) = 360360 / 120 = 3003

Total possible outcomes = 3003

Required outcome :

8C3 * 7C2

8C3 = 56 ; 7C2 = 21

8C3 * 7C2 = 56 * 21 = 1176

required outcome / Total possible outcomes

= 1176 / 3003

= 21 / 143

Using the hypergeometric distribution, it is found that the probability is:

c. 56/143

The players are selected from the sample without replacement, hence, the hypergeometric distribution is used.

Hypergeometric distribution:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes. N is the size of the population. n is the size of the sample. k is the total number of desired outcomes.

In this problem:

There are 15 representatives, hence [tex]N = 15[/tex]8 are from the Eastern Conference, hence [tex]k = 8[/tex]Sample of 5, hence [tex]n = 5[/tex].

The probability is P(X = 3), hence:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]P(X = 3) = h(3,15,5,8) = \frac{C_{8,3}C_{7,2}}{C_{15,5}} = 0.3916[/tex]

For which the equivalent fraction is option c.

A similar problem is given at https://brainly.com/question/24826394

Work out the length of ab coordinate

Answers

The distance between points AB at A(2, 5) and B(2, 10) is 5 units

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

The distance between two points A(x₁, y₁) and B(x₂, y₂) on the coordinate plane is:

[tex]AB=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}[/tex]

Let us assume that AB has coordinate at A(2, 5) and B(2, 10), hence:

[tex]AB=\sqrt{(10-5)^2+(2-2)^2}=5\ units[/tex]

The distance between points AB at A(2, 5) and B(2, 10) is 5 units

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A ball is launched upwards from a height of 4 feet. The ball’s height as a function of time, in seconds, is modeled by the function h(t)= -16t^2 +80t +4. What is the time interval in which the ball has a height greater than 100 feet?

Answers

Answer:

Between 2 & 3 seconds. Or we can write it as 2<t<3

Step-by-step explanation:

t = elapsed time in seconds

h(t) = height of the ball at time t

So we just need to replace h(t) with 100 and start to solve. In the end, the answer will be t=2, or t=3 or we can write it as 2<t<3. You can check it by plugging in the number into the equation.

let m>0. match each inequality with its graph. Explain your reasoning.

Answers

Answer:

a. C

b. A

c. B

d. D

Step-by-step explanation:

[tex]a.\ \ \frac{x}{m} < -1 \Longleftrightarrow x < -m[/tex]

Then

The graph that represents the inequality is C.

[tex]b.\ \ \frac{x}{m} > 1 \Longleftrightarrow x > m[/tex]

Then

The graph that represents the inequality is A.

[tex]c.\ \ \frac{x}{m} < 1 \Longleftrightarrow x < m[/tex]

Then

The graph that represents the inequality is B

[tex]d.\ \ -\frac{x}{m} < 1 \Longleftrightarrow -x < m \Longleftrightarrow x > -m[/tex]

Then

The graph that represents the inequality is D.

i have no question x = 2. apples

Answers

Answer:

ok

Step-by-step explanation:

................................................

What is the Decimal equivalent for fraction 4/8

Answers

Answer:

I hope this helps you

Step-by-step explanation:

4/8 = 0.5

What is 4,000 times 48?
The answer is 192,000

Answers

Answer:

yes 4000×48=192000

very clever....(dead serious)

The Aluminum Association reports that the average American uses 56.8 pounds of aluminum in a year. A random sample of 51 households is monitored for one year to determine aluminum usage. If the population standard deviation of annual usage is 12.3 pounds, what is the probability that the sample mean will be more than 59 pounds _________.
a) 0.1003
b) 0.3997
c) 0.6003
d) 0.8997
e) 0.0003

Answers

Answer:

A: 0.1003

Step-by-step explanation:

We are given;

Population mean; μ = 56.8

Population size; n = 51

Population standard deviation; σ = 12.3

We want to find; P(x > 59)

We will use the z-score formula.

z = (x - μ)/(σ/√n)

z = (59 - 56.8)/(12.3/√51)

z = 1.28

From z-distribution table attached, we have; P(z < 1.28) = 0.8997

Thus;

P(z > 1.28) = 1 - 0.8997 = 0.1003

QUESTION 4 of 10: It is estimated that 32 patrons will attend an event for every $100 spent in advertising. If tickets cost $75, how much can a
promoter expect to increase sales if he spends $25,000 in advertising?

Answers

Answer:

$575000

Step-by-step explanation:

Spend on advertising = $25000

32 patrons per $100

Number of patrons:

25000/100×32 = 8000

Sales amount:

8000×$75 = $600000

Increase in sales excluding advertisement cost:

$600000 - $25000 = $575000

Answer:

$600,000

Step-by-step explanation:

$25,000 / 100 then 250 x 32 then 8,000 x 75 to get $600,000

the part of width 4 metre is surrounded inside a Square Garden of length 60 m find the area of the path​

Answers

Incomplete question. Repost the complete problem.

7= -10s-3 Solve the equation

Answers

Answer:

s = 1

Step-by-step explanation:

7 = -10s - 3

=> 7 + 3 = 10s

=> 10 = 10s

=> 10/10 = s

=> 1 = s

Answer: s= -1

Step-by-step explanation:

which formula represents a substance that contains covalent bonds 1) LiCl 2)CaCl2 3)K2O 4)CO2​

Answers

Answer:

It is CO2 Number 4

Step-by-step explanation:

Answer:

Step-by-step explanation:

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