The right triangle on the right is a scaled copy of the right triangle on the left. Identify the scale factor. Express your answer as a whole number or fraction in simplest form.
Please help me 22 points and a THANK YOU WITH 5 STAR RATING:))))

The Right Triangle On The Right Is A Scaled Copy Of The Right Triangle On The Left. Identify The Scale

Answers

Answer 1

Answer:

Scale factor = [tex] \frac{5}{4} = 1\frac{1}{4} [/tex]

Step-by-step explanation:

The scale factor is how much the right triangle on the right was increased in size or enlarged, since the right triangle is a scaled copy of the one on the left.

The scale factor used = the ratio of any of their corresponding sides

Scale factor = side length of the ∆ on the right ÷ corresponding side length of the ∆ on the left

Scale factor = [tex] \frac{15}{12} [/tex]

Scale factor = [tex] \frac{5}{4} = 1\frac{1}{4} [/tex]

Answer 2

The scale factor expressed as a fraction is 4/5

Since the right triangle on the right is a scaled copy of the right triangle on the left, then the ratio of their similar sides is equal to the scale factor.

This is expressed as:

Taking the ratio of the fractions

[tex]\frac{20}{25} = \frac{4}{5}[/tex]

Similarly for [tex]\frac{12}{15}[/tex]

[tex]\frac{12}{15} =\frac{4}{5}[/tex]

This shows that [tex]\frac{20}{25} = \frac{12}{15} = \frac{4}{5}[/tex]

Hence the scale factor expressed as a fraction is 4/5

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Related Questions

Find the unit rate. Round to the nearest hundredth, if necessary.
$390 for 16ft2?

The unit rate is $

Answers

Answer:

2.01030927835 or $2.01

Step-by-step explanation:

16 ft 2 in = 194 in

390/194 = 2.01030927835

Simplify, $2.01

Hope this Helps :)

I need help with this question.​

Answers

ANSWER

f(-4)=70
f(-2)=24
f(0)=2
f(2)=4
f(5)=52

In math class the girl to boy ratio is 8to 6. If there are 24 girls in the class how many boys are there

Answers

Answer:

easy math Girls=24 Boys=? The answer is 18 boys

Step-by-step explanation: What you know is for every 8 girls that is 1/3 of the total number of girls, so you just multiply 6 time 3. Hope this helped :)

some tv sets show 25 images called frames each second what is the time interval between each frame and the next?​

Answers

Answer:

0.04

Step-by-step explanation:

25 images / 1 second

pls mark brainlist :)

A researcher is interested in determining the average number of years employees of a company stay with the company. If past information shows a standard deviation of 7 months, what size sample should be selected so that at 95% confidence the margin of error will be 2 months or less?

Answers

Answer:

48

Step-by-step explanation:

The significance level is 95%

Z-alpha/2 = 1.96 at 0.05 from the standard normal distribution table.

The standard deviation has been given to be 7

Margin of error is 2

We solve further using the formula:

n = (z-alpha/2 * sd/ME)²

n = (1.96 * 7/2)²

n = (1.96x3.5)²

= 6.86²

= 47.0596

This is approximately

n = 48

So the sample size they should be selected should be 48 for at 95% confidence level.

What is the meaning of the expression 5 x (100 - 25)?

Answers

Answer:5 x (100 - 25) = 375

Step-by-step explanation: 5 x 75 = 375

Write the equation of the line:
(1,-7); slope =-1

Answers

Answer:

y=-1x-6

Step-by-step explanation:

the slope is -1

use y=mx+b

Plug  the point into y=mx+b, -7=-1(1)+b

-7=-1+b

add 1 both sides the y- intercept is b=-6

Please with cherry on top help me solve this. I don’t understand this. I will give you brainliest.

Answers

Answer:

It is a simple rate of change if you take $30+$0.80 each day or $2.30 and set them equal to eachother. you should get 20 rides.

Lest make it simple types long paragraph
Nah it’s 20

help me please i will choose brainlest idk how to spell

Answers

y= 1/2x - 2 1/2, use the slope formula and then solve for your y intercept using a point.
The guy above me got it right just put what he has

please help

The model represents 100% of the cost of a trip to the Bahamas. Which model represents the cost of the trip if the trip cost is discounted 26%?

Answers

Answer:

should be A, if we have the right test

Step-by-step explanation:

Just count how much squares, if 100 is the whole thing, then count and see which one only has 26 blocks, this helps! :D        

Does anyone know how to find the measure of this missing angle ?

Answers

Answer:

x=57

Step-by-step explanation:

x+28+x+38=180

Step 1: Simplify both sides of the equation.

x+28+x+38=180

(x+x)+(28+38)=180(Combine Like Terms)

2x+66=180

2x+66=180

Step 2: Subtract 66 from both sides.

2x+66−66=180−66

2x=114

Step 3: Divide both sides by 2.

2x/2=114/2

Answer:

x=57

Answer:

57

Step-by-step explanation:

x+28+x+38=180

2x+66=180

-66           -66

2x=114

/2    /2

x=57

I think

Line d has a slope of -9/7. Line e is parallel to line d  what is the slope of line E

Answers

Answer: -9/7

Step-by-step explanation: The slope of parallel lines are the same/equal. Only the y intercept is different

Sarah has the following set of numbers.
18, 19, 22, 22, 25, 25, 26, 31, 32, 34, 37, 37, 37
What is the interquartile range for this set of numbers?

Answers

Answer:

14 because there are 14 numbers in the equation :)

PLSSS HELPPPP RIGHT NOWWW I NEED THISSSSS PLSS ANYBODY

Answers

Answer:

You cant see the picture its glitched send another one

Step-by-step explanation:

The sum of three numbers is 1349 the greatest number is three times the least number the third number is 133 less than twice the least number what are the three numbers?

Answers

Answer:

1,216 131,784 130,435

Step-by-step explanation:

Please help ASAP
In the diagram, line a and b are parallel. Line is the transversal.
Given that the measure of angle POQ is 114° determine the measure of angle QON
In your explanation be sure to include the key terms corresponding angles ,supplementary Angles, parallel lines ,and transversal computational slep in complete sentences





Answers

Answer:

66 not parallel or transversal I believe its supplementary

Step-by-step explanation:

The expression below was given on a recent math test
What is the value of the expression?
look at the screenshot

Answers

Answer:

24

Step-by-step explanation:

solve for X SOMEONE PLSSSSS
x+53+65+70=180

Answers

Answer:

Ok so the answer is x = -8

Step-by-step explanation:

Have a nice day!!!

What is the solution to - 2 (4p + 12) = 8(p - 11)?​

Answers

P = -4 you need me too work it out?

Solve -9x-3x+4 = -10x - (2x- 4)

Answers

Answer:

9

x

3

x

+

4

, then set it equal to

10

x

(

2

x

4

)

.

Always true

Step-by-step explanation:

Answer:

All real numbers

Step-by-step explanation:

-9x-3x+4 = -10x - (2x- 4)

-12x+4=-10x-2+4

-12x+4=-12x+4

The members of a band are arranged in a rectangular formation. When they are arranged in 8 rows, there are 2 positions unoccupied in the formation. When they are arranged in 9 rows, there are 3 positions unoccupied. How many members are in the band if the membership is between 100 and 200

Answers

Answer:

150

Step-by-step explanation:

Using 8 rows leaves  2 positions unoccupied implies that the population of the number  of members in the band is 2 less than a  multiple of 8. That makes this an even  number.

Similarly, we understand that the number  of members is 3 less than a multiple of  9. So, If we list the even numbers  that are 3 less than multiples of 9  between 100 and 200 and are even; we have:

117 – 3, 135 – 3, 153 – 3, 171 – 3,  189 – 3

= 114, 132, 150, 168, 186  

Also, the numbers that are two less than  a multiple of 8:  

102, 110, 118, 126, 134, 142, 150, 158,  166, 174, 182, 190, 198

From above, we will realize that the number common in both is 150

Let's check if that satisfy our calculation;

SO:

150/8 = 18 remainder 6 ; Thus 8 - 6 = 2 (positions)

150/9 =  16 reminder 6 ;  Thus  9 - 6 = 3 (positions)

Hence the number of members in the band if the membership is between 100 and 200 is 150

Slope intercept (-2,5) and (2,1)

Answers

1-5 -4
——- = —— = -1 (the slope)
2+2 4

Answer:

y=-1x+3

Step-by-step explanation:

1-5=-4

2--2=4

-4/4= -1

what is the magnitude(size)of -8.5 plz help me

Answers

Answer: I will leave a comment with the answer i am

doing the math rn

Step-by-step explanation:

HELP PLZ ASAP :((((:(((

Answers

Answer:

The second option

Step-by-step explanation:

The domain is the x values and the range is the y values

The solution to -2x/3 + 7< 15 is the set ? A x>-12 B x<-12 C x>33 D x<-10

Answers

The answer is A. X>-12

Answer:

A. x>-12

Step-by-step explanation:

-2x/3+7<15  Subtract 7 on both sides.

         -7  -7

-2x/3<8       -2x/3 is equal to -2/3x, so you can simplify to that.

-2/3x<8       Because you have to isolate x, multiply by the reciprocal of the          

*-3/2  *-3/2  fraction. This will divide by -2/3 on both sides.

x>-12            Remember, because you multiplied by a negative, you have to flip the inequality sign.

Hope this helps you! Have a nice day c:

Mr. Livio earns an hourly wage for every hour he works. Last week, he earned $663.85 and worked for 85.5 hours. How much money does Mr. Livio earn per hour?​

Answers

663.85/85.5 = 7.76
= $7.76

you have observed that the average size of a particular goldfish is 1.5 inches long. the standard deviation of the size of the goldfish is 0.25 inches. approximately what is the size of a goldfish such that only 16 percent of the goldfish are smaller from such size

Answers

Answer:

The 16 percent of the goldfish are smaller from 1.25 inches.

Step-by-step explanation:

Let X denote the size of a particular goldfish.

It is provided that the mean size is, μ = 1.5 inches and standard deviation of the size is, σ = 0.25 inches.

Assume that X is normally distributed.

Compute the size of a goldfish such that only 16 percent of the goldfish are smaller from such size as follows:

P (X < x) = 0.16

⇒ P (Z < z) = 0.16

The z-value for such a probability is:

z = -0.99

*Use a z-table.

Compute the value of x as follows:

[tex]z=\frac{x-\mu}{\sigma}\\\\-0.99=\frac{x-1.5}{0.25}\\\\x=1.5-(0.99\times 0.25)\\\\x=1.2525\\\\x\approx 1.25[/tex]

Thus, the 16 percent of the goldfish are smaller from 1.25 inches.

Do you know the sales tax is in your state? How could you find out?

Answers

Answer:

Well in my state, it's 6%. Use google to find out yours.

Step-by-step explanation:

Answer:

I know the sales tax is .16 here in Texas. I found out whenever me or my mom would go shopping. I would look at the tax at the bottom of the recipt or do the math. Find the sum of all the gorceries without tax and then subtract it by the total amount of money of the groceries with tax. Then divide that by the amount of groceries we bought.

Step-by-step explanation:

Estimation for 2 1/3 divided by 1/3

Answers

Answer:

7 because u are changing division to mutiplication its called replicate

Answer:

since 2 and 1/3 is a mixed number change it into an improper fraction so it will be 7/3 / 1/3 find the reciprocal of the second fraction that is one of the three the reciprocal will be 3/1 so it will be 7/3 * 3/1 because when you find the reciprocal of a second fraction you also find the reciprocal of the sine and in this case division will change to multiplication when you multiply it you'll get the answer to be 7 hope it helps

How does your estimate help you place the decimal
point in the product?

Answers

Answer:

Step-by-step explanation:

example: You add 4.20 and 6.90

the decimal point for the answer would be in the spot for the numbers in the problem.

AKA: YOU BRING THE DECIMAL DOWN

ANSWER:

                1                

                 4.20

                 6.90

               +_____

                 11.10

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