rectangle with area of 12 square units is dilated by a scale factor of 3. What is the area?

Answers

Answer 1

Answer:

36 units²

Step-by-step explanation:

rectangle with area of 12 square units is dilated by a scale factor of 3. What is the area?

Scale factor = Dimension of the new shape ÷ Dimension of the original shape.

we use the inverse formula

12 * 3 =

36 units²

-----------------------

check

36 : 12 = 3

the answer is good


Related Questions

Please help, having trouble. Show all work if you can :) Photo is attached.

Answers

Answer:

hope it helpssssssss youj

For her phone service, Charmaine pays a monthly fee of $15, and she pays an additional $0.05 per minute of use. The least she has been charged in a month is
$66.90.
What are the possible numbers of minutes she has used her phone in a month?
Use m for the number of minutes, and solve your inequality for m.

Answers

Step-by-step explanation:

after subtracting the monthly fee (which she has to pay, even if she does not make a single call) we have

66.9 - 15 = $51.90

for actual phone call minutes.

1 minute is $0.05

so, in the month with the lowest charge she had used

51.9 / 0.05 = 1038 minutes for calls.

since this was the minimum, for all the numbers of minutes m she used in a month we have

m >= 1038 minutes

To calculate the density of an object,you wpuld?

Answers

it would be the mass divided by the volume

the equation is d = m/v from what i remember

Hi I’m really confused and it’s a new topic

Answers

Given:DodecagonTo find:The size of one interior angle The size of one exterior angleSolution:

[tex]\large\boxed{Formula:\frac{sum \: of \: interior \: angles}{n}}[/tex]

n means the number of sides.

Sum of interior angles of a dodecagon is 1800°

Let's substitute the values according to the formula.

[tex]\frac{1800}{12}[/tex]

[tex]\large\boxed{ = 150°}[/tex]

Now, we can find the size of one exterior angle.

[tex]\large\boxed{Formula:\frac{360}{n}}[/tex]

n means the number of sides.

A dodecagon has 12 sides.

Let's substitute the values according to the formula.

[tex]\frac{360}{12}[/tex]

[tex]\large\boxed{ = 30°}[/tex]

Hence, the size of 1 interior angle of a dodecagon is 150° and 1 exterior angle is 30°

Jax drew an angle that turns through
80 one-degree angles. Which is the
measure of the angle Jax drew?

Answers

When Jax drew an angle that turns through 80 one-degree angles, the measure of the angle will be 80°.

How to depict the angle?

It should be noted that when an angle turns through a particular degree, it'll be said to have an identical degree.

In this case, when Jax drew an angle that turns through 80 one-degree angles, the measure of the angle will be 80°.

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Felipe transferred a balance of $3700 to a new credit card at the beginning of
the year. The card offered an introductory APR of 5.9% for the first 4 months
and a standard APR of 17.2% thereafter. If the card compounds interest
monthly, which of these expressions represents Felipe's balance at the end of
the year? (Assume that Felipe will make no payments or new purchases
during the year, and ignore any possible late payment fees.)
OA. ($3700) (1+0 052)*(1.0172)
B.
(83700)(1+0059) (1+0.172)
OC. ($3700)(1+0 59)*(1.0172)*
0.059
12
OD. $3700)(1+0.059)*(1+0.172)

Answers

The expression that represents Felipe's balance at the end of the year is 3700 x [tex]( 1 + \frac{0.059}{4}) ^{4}[/tex] x [tex](1 + \frac{0.172}{8})^{8}[/tex].

What is the expression that represents the balance?

The equation that can be used to determine future value with compounding is:

FV = P (1 + r)^nm

Where:
FV = Future value P = Present value R = interest rate m = number of compoundingN = number of years

3700 x [tex]( 1 + \frac{0.059}{4}) ^{4}[/tex] x [tex](1 + \frac{0.172}{8})^{8}[/tex].

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Lashonda rolled a number cube 500 times and got the following results.
Outcome Rolled
1
2
3
4
5
6
Number of Rolls
77
89
73
69
110
82
Answer the following. Round your answers to the nearest thousandths.
(a) From Lashonda's results, compute the experimental probability of rolling an odd number.
0
(b) Assuming that the cube is fair, compute the theoretical probability of rolling an odd number.
0
(c) Assuming that the cube is fair, choose the statement below that is true.
O The larger the number of rolls, the greater the likelihood that the experimental probability
will be close to the theoretical probability.
O The smaller the number of rolls, the greater the likelihood that the experimental
probability
will be close to the theoretical probability.
The experimental probability will never be very close to the theoretical probability, no
X

Answers

Step-by-step explanation:

if I understand this correctly, then

1 was rolled 77 times

2 89 times

3 73 times

4 69 times

5 110 times

6 82 times

remember, a probability is always desired cases over total possible cases.

a)

the experimental probability to roll an odd number (1, 3, 5) is the number of desired cases (77 + 73 + 110) over the total cases (500).

260 / 500 = 26/50 = 13/25 = 0.52

b)

if the cube would be totally equal, so that every side has truly the same probability to appear we would have for every roll 6 total possible outcomes (1 .. 6), and 3 desired outcomes (1, 3, 5).

so the theoretical probability is

3/6 = 1/2 = 0.5

c)

if the cube is truly "fair" (all sides really have the same probability to show), then the first answer is true.

the more rolls of the die, the greater the likelihood that both probabilities will get closer and closer.

that is actually a main point of probabilities : to find the most likely behavior or structure of a large number of items or objects out of the structure or behavior of a smaller sample. or out of theoretical considerations that can be tested with smaller samples.

HELPP PLEASE!!!

Harry is 5 years older than his sister, and the product of their
ages is 84.
Let h represent Harry's age, then h- 5 represents his
sister's age, and h (h-5) = 84 models the situation.
The equation can also be written as h² - 5h = 84.
Rewrite the equation so that it is in the form polynomial = 0.
Enter the polynomial, in standard form, in the box.
= 0

Answers

Answer:

See below

Step-by-step explanation:

h^2 - 5h = 84

h^2 - 5h - 84 = 0

PLEASE HELP ASAP!!
The table of values represents the function g(x) and the graph shows the function f(x). Which statement about the functions is true?
-all of the x-intercepts of f(x) are common to those of g(x)
-f(x) and g(x) intersect at exactly two points
-the minimum value of f(x) is less than the minimum value of g(x)
-f(x) and g(x) have the same y-intercept

Answers

Using function concepts, it is found that the correct statement is given by:

all of the x-intercepts of f(x) are common to those of g(x).

What are the x-intercepts of the functions?

They are the values of x when x = 0, hence:

For g(x), it is of x = -1 and x = 1.For f(x), it is of x = -1.

Hence, the first statement is correct, and the x-intercept x = -1 of f(x) is common to the x-intercept x = -1 of g(x).

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According to a 2017 Gallup survey, the percentage of individuals in the United States who are invested in the stock market by age is as shown in the following table.†
Age Range Percent of Individuals
Invested in Stock Market
18 to 29 31
30 to 49 62
50 to 64 62
65+ 54
If 2,000 individuals 18- to 29-years-old are randomly sampled, what is the expected number of 18- to 29-year-olds who invest in the stock market in this sample? What is the standard deviation of the number of 18- to 29-year-olds who invest in the stock market? (Round your answers to two decimal places.)
E(x)=
=

Answers

Answer: 75 people

Step-by-step explanation:

1).

we have percentage of people who invested in 18-29 year category

=31%

we need

n=40 people

this is

30% of x =40

or

0.3x=40

x=40/0.3 =133.33 or 134 people

2).

in 65+ category

percentage =54%

we need

n=40

this is

54% of x =40

or

0.54x=40

or

x=40/0.54 =70.07 or 75 people

In ΔXYZ, x = 27 cm, y = 79 cm and ∠Z=142°. Find the length of z, to the nearest centimeter.

Answers

The value of side z will be equal to 99.32 cm.

What is trigonometry?

The branch of mathematics sets up a relationship between the sides and the angles of the right-angle triangle are termed trigonometry.

Given that:-

In ΔXYZ, x = 27 cm, y = 79 cm and ∠Z=142°

So by applying the formula given below:-

z²   =   x²  +  y²  -  2xyCos(142)

z²   =   79²  +   27²   -  2 ( 79 x 27  x  Cos142  )

z    =    99.32  cm

Hence the value of side z will be equal to 99.32 cm.

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Paula and Pedro were selling water bottles to raise money for their school. The ratio of water bottles Paula sold to water bottles Pedro sold is 3:5. If together Paula & Pedro sold a total of 72 water bottles, how many did each sell?

Answers

Step-by-step explanation:

x = number of bottles Paula sold

y = number of bottles Pedro sold

x + y = 72

x = 72 - y

x/y = 3/5

(72 - y)/y = 3/5

5(72 - y) = 3y

360 - 5y = 3y

360 = 8y

y = 45

x + y = 72

x + 45 = 72

x = 27

so,

Paula sold 27 water bottles, and Pedro sold 45.

correlation and regression analysis​

Answers

So basically what you want to do is make the

A water barrel has a total volume of 1.25 cubic meters (m3). Use the fact that 1 foot is approximately equal to 0.3048 m to convert this volume to cubic feet (ft3). Round your answer to the nearest tenth. Do not type the units in the space below.

Answers

Answer:

see the attachment photo!

In how many ways can 7 persons be arranged in a line such that (a) two particular persons are never together.

Answers

Answer:

3600 ways

Step-by-step explanation:

person A has 7 places to choose from :

→ He has 2 places ,one to the extreme left of the line ,the other to the extreme right of the line

If he chose one of those two ,person B will have 5 choices and the other 5 persons will have 5! Choices.

⇒ number of arrangements = 2×5×5! = 1 200

→ But Person A also , can choose one of the 5 places in between the two extremes .

If he chose one of those 5 ,person B will have 4 choices and the other 5 persons wil have 5! Choices.

⇒ number of arrangements = 5×4×5! = 2 400

In Total they can be arranged in :

1200 + 2400 = 3600 ways

please help question attached below!

Answers

Answer:

4.97

Step-by-step explanation:

h(x) = -3x² + 5

h(0.1)

x = 0.1

h(0.1) = -3(0.1)² + 5

0.1² = 0.01

-3(0.01) + 5

-3(0.01) = -0.03

-0.03 + 5 = 4.97

which of the sequences is an arithmetic sequence A. -20,-27,-34,-41,-48, ... B. 1,5,10,15,20, ... C.154,71,8,5,2, ... D. 12,-24,36,-48.60, ...

Answers

Answer:

A and B are arithmetic sequences. they have a set and consistent increase/decrease in each term.

Step-by-step explanation:

Which expression represents “2 times the difference of x and 5”?

Answers

Answer:

2(x-5)

Step-by-step explanation:

Hope this helps

Answer:

2 · (x - 5)

Step-by-step explanation:

2 · (x - 5)

2 ·

"2 times"

when multiplication- or "times" is said, it can be shown in multiple ways. Multiplication can be shown as a×b , a·b , (a)(b)

(x - 5)

"difference of x and 5"

when difference is noted, the first number listed is the one written first. The difference between 2 and x is ( 2 - x ); the difference between x and 2 is ( x - 2).

Will give 50 points for the answer to this

Answers

Answer:

( 3, -2 )

Step-by-step explanation:

3, -2 is on the line so it is a solution

the rest of the points aren't in the shaded area or on the line therefore they are not a solution

Have a great day! :)

8 marks] In how many ways can the letters of the word "UNDERDOG" be arranged such that the first and last letters are same and no two vowels are together?​

Answers

The  letters of the word "UNDERDOG" can be arranged in 144 ways.

Number of ways "UNDERDOG"  can be arranged

There are only two letters that are the same which are D, then the remaining letters are 6 letters.

V, E, O are vowels

         N  R  G

The vowels are not joined together

For N, R, G  A³3

There are 4 openings A³4

Hence:

A³4· A³3=4×3×2×3×2×1

A³4· A³3=144

Therefore the  letters of the word "UNDERDOG" can be arranged in 144 ways.

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Charles has eight different winter scarves, and he wears three at a time. How many different ways can Charles wear three scarves? 6,720 56 112 336

Answers

Answer:

Ans= 6720 ways

Step-by-step explanation:

From Combination rule from Permutation and Combination, nCr

We use 8^C3 or 8C3,

8x7x6x5x4x3x2x1

--------------------------  =6,720

3x2x1

or

8x7x6x5x4x3! /3!, here the 3! cancels each other out, and we're left with 8x7x6x5x4, which equals 6720.

for 12 days, Keisha keeps track of how much water she drinks per day. her results are shown below
1 1/2quarts 2 1/4quarts 2quarts 1 1/2quarts 1 3/4 quarts 1 1/2 quarts
1 1/4quarts 2quarts 2 1/4quarts 1 1/2quarts 2 quarts 1 /2quarts

what is the amount of water that Keisha drinks during 12 days ?

what is the average amount of water that Keisha drinks per day ?

at how many days did Keshia drink at least the average amount of water?

STRETCH YOUR THINKING on day 13 Keisha drinks 1 quart of water how does that affect the average amount of water she drinks ? EXPLAIN

Answers

The total amount of water that Kiesha drinks in 12 days is 20 quarts

The average amount of water she drinks per day is 1 2/3 quarts

The number of days that Keshia drinks at least the average amount of water is 6 days

If she drinks 1 quart of day 13, the average reduces.

What is the average ?

The total amount of water drank in the 12 days can be determined by adding the quarts for each day together. When they are added together, the number is 20 quarts.

Average = total amount drank / number of days 1 2/3 quarts

New average = 20 + 1 / 13 = 21 / 13 = 1 7/13 quarts

The average reduces because the quart drank on the 13th day is less than the amount of water drank on the other days.

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PLEASE HELP NEEDS TO BE DONE IN 10 MINUTES!!!

Answers

Answer:

QR = 15 cm

PQ = 20 cm

Step-by-step explanation:

Use the Pythagorean theorem. [tex]a^{2} +b^{2} =c^{2}[/tex]

Find QR first since you know QP are SR.

[tex]a^{2} +b^{2} =c^{2}\\12^{2} +9^{2} =c^{2}\\144+81=c^2 \\225=c^2\\\sqrt{225} = \sqrt{c^2} \\c = 15[/tex]

QR = 15 cm

Now you can find PQ. First find the length of PR by adding PS and SR together.

16 + 9 = 25

[tex]a^{2} +b^{2} =c^{2}\\a^{2} +15^{2} =25^{2}\\a^{2} +225 =625\\a^{2} +225-225 =625-225\\\a^{2} = 400\\\sqrt{a^2} =\sqrt{400} \\a = 20[/tex]

PQ = 20 cm

The diagram shows a right angled triangle. 11cm 8cm and x degrees. Find the size of angle x. Give your answer correct to 1 decimal place.​

Answers

Given:hyp= 11 cmadj= 8 cmNote that:hyp: Hypotenuse adj: Adjacent To find:

The size of the unknown angle "x"

Solution:

We'll have to check which one is appropriate from SOHCAHTOA.

In this question hypotenuse and adjacent is given so, we'll have to use cos.

[tex]\large\boxed{Formula: cos \: (A)= \frac{adj}{hyp}}[/tex]

Let's solve!

Let's substitute the values according to the formula.

[tex]cos \: x= \frac{8}{11}[/tex]

We'll have to use cos inverse.

[tex]x= {cos}^{-1}( \frac{8}{11} )[/tex]

[tex]x= 43.34175823[/tex]

Now we'll have to round off to 1 decimal place.

The value in hundredths place is less than 5 so we won't have to round up.

So, the final answer is:

[tex]\large\boxed{x= 43.3°}[/tex]

Therefore, the size of the unknown angle "x" is 43.3°

The functoin f has zeros at -3 and 4 witch graph could represent function f

Answers

Since I don't see the graphs:

 ⇒ I am going to answer by the general format of what you should see

The function has zeros at -3, 4:

 ⇒ which means that the function must interest the x-axis at x = -3 and

      x = 4

Hope that helps!

      ⇒look at the image I uploaded which shows a possible answer

Convert the degree measure to radian measure. Round to three decimal places.
75°
radians

Answers

The conversion from degree to radian will be 180° = π radian. Then the measure of angle 75° is 1.31 radians.

What is conversion?

Conversion means to convert the same thing into different units.

Convert the degree measure to the radian measure.

⇒ 75°

We know the conversion is given as

180° = π radian

   1° = π/180°

Then we have

75° = 75° x π/180° radian

75° = 1.30899 radian

75° ≅ 1.31 radian

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The weight of 3 cans of juice and 2 energy bars is 33.6 ounces. Four energy bars and two cans of juice weigh 27.2 ounces. How much does one energy bar weigh?

Answers

Answer:

1.8 ounces

Step-by-step explanation:

Let :

⇒ weight of a can of juice = x

⇒ weight of an energy bar = y

=============================================================

Equations formed :

3x + 2y = 33.64y + 2x = 27.2

============================================================

Multiply Equation 1 by 2 :

⇒ 2 × (3x + 2y) = 2 × 33.6

⇒ 6x + 4y = 67.2 [Equation 3]

===========================================================

Subtract : Equation 3 - Equation 2

⇒ 6x + 4y - 4y - 2x = 67.2 - 27.2

⇒ 4x = 40

⇒ x = 10

===========================================================

Finding the weight of an energy bar :

⇒ 3(10) + 2y = 33.6

⇒ 2y = 3.6

⇒ y = 1.8 ounces

50 pts!!! Please answer without links!

Answers

The value of 'a' in the P(X≤a)=0.6 is 5 because at X =5 we get a probability of 0.7. a = 5 is the answer.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

From the graph:

P(X ≤ 1) = 0.05

P(X ≤ 2) = 0.1

P(X ≤ 3) = 0.15

P(X ≤ 4) = 0.2

P(X ≤ 5)= 0.2

Add all the probability:

P = 0.05+0.1+0.15+0.2+0.2 = 0.7

P(X≤a)=0.6  (that means the value of the area under the curve 'a' is 0.6)

So the value of a should be 5

Thus, the value of 'a' in the P(X≤a)=0.6 is 5 because at X =5 we get a probability of 0.7. a = 5 is the answer.

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Answer:

Put 5 in the input

River drove for 2 hours on the freeway, then decreased their speed by 20 miles per hour and drove for 2 more hours on a country road. If their total trip was 168 miles, then what was their speed on the freeway?

Answers

Answer:

Step-by-step explanation:

100 points and i will mark brainiest.
What is 131072 divided by 2 to the power of 4

Answers

Answer:

1942

Step-by-step explanation:

31072 / (2^4) = 31072

Hope This Helped

Question

What is 131072 divided by 2 to the power of 4?

Solution in steps:

131072 / 2⁴          Find 2 to the power of 4131072 / 16          Divide 131072 by the value found at previous step8192                    Calculated quotient

Answer:

8192

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