Loretta had 60 roses and 80 daffodils. If she sold 40% of her roses and 75% of her daffodils, what percent of her flowers remain? ( will give brainliest to the person who gets the correct answer and shows work, no trolls.)

Answer:

the picture isnt showing up on mines

Answer:

3750

Step-by-step explanation:

50*70=35005

5*50=250

The equation 2 - 7/9x = 5/6, when rewritten without fractions, is x = 9/2.

To rewrite the equation 2 - 7/9x = 5/6 without fractions, we can eliminate the fractions by multiplying both sides of the equation by the least common denominator (LCD) of all the denominators involved.

The LCD in this case is the product of 9 and 6, which is 54.

Multiplying both sides of the equation by 54:

54 * (2 - 7/9x) = 54 * (5/6)

On the left side, we distribute the 54 to each term:

108 - (54 * 7/9)x = (54 * 5/6)

Now we simplify each side of the equation:

108 - (378/9)x = 270/6

108 - 42x/9 = 270/6

Now we can simplify the equation further:

108 - 14x = 45

To eliminate the constant term on the left side, we subtract 108 from both sides:

-14x = 45 - 108

-14x = -63

Finally, to isolate x, we divide both sides by -14:

x = (-63) / (-14)

Simplifying the division:

x = 9/2

Therefore, the equation 2 - 7/9x = 5/6, when rewritten without fractions, is x = 9/2.

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The measure of the central angle for the 5th grade is given as follows:

32º.

The measure of the central angle for the 5th grade is obtained applying the proportions in the context of the problem.

The number of students in this problem is given as follows:

45 + 25 + 60 + 50 + 60 + 45 = 285 students.

The proportion of 5th grade students is given as follows:

25/285 = 0.0877.

The entire circle is of 360º, hence the central angle is given as follows:

0.0877 x 360º = 32º.

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Answer:

16

Step-by-step explanation:

((8/4)+ 6) x 2
(2 + 6) x 2      Divided 8 by 4
8 x 2         Added 2 and 6
16          Multiply

Answer:

1684.8 cubic units

Step-by-step explanation:

In oblique cylinder the height (altitude) is measured from the opposite base to the base of the cylinder, but it lies outside. We can find the height using Pythagoras theorem.

       h + 7² = 13²

              h²= 169 - 49

              h² = 120

               h = √120

                h = 10.95 units

radius = r = 7 units

\(\boxed{\text{\bf Volume of oblique cylinder = $\bf\pi r^2h$} }\)

                                                    = 3.14 * 7 * 7 * 10.95

                                                    = 1684.8 cubic units

Answer:

x = 2

Step-by-step explanation:

6x-1=11

Add 1 to each side

6x-1+1=11+1

6x = 12

Divide by 6

6x/6 = 12/6

x = 2

Answer:

Step-by-step explanation:

\(6x-1=11 \\\\Collect \: like \:terms\\\\6x = 11+1\\\\Simplify\\\\6x =12\\\\Divide\:both\:sides\:by\:6\\\\\frac{6x}{6} = \frac{12}{6}\\ x = 2\)

Answer:

a. independent is the value of the car when she bought the dependent variable is the how much the value goes down each year

b. 3.233.33

c. (25,000 - 15,300) ÷ 3 = x

Step-by-step explanation:

A) the value goes down each year because of the "aging of the car"

B) 25,000 - 15,300 = 9,700

The value went down 9,700 in 3 years

9,700 / 3 = 3233.33333

round it to 3,233.33

The value went down abt 3,233.33 a year

C) (25,000 - 15,300) ÷ 3 = x

25,000 = is the value of the car when she bought it

15,300 = is the value of the car when she is selling it

3 = the years

hope this helps <33

Answer:

bro this will take some time

Step-by-step explanation:

Step-by-step explanation:

angle 3 = 58

so angle 5 = 58 too

angle 7 = 180 - angle5 - angle6

= 180- 58 -90

= 32 degree

Rearrange the equation from part A, we get y = (x - 1)^2 - 8

From the comlete question, the equation from part A

y = x^2 - 2x - 7

To rearrange the equation, we have the following

y = x^2 - 2x - 7

Set to 0

So, we have

x^2 - 2x - 7 = 0

This gives

x^2 - 2x = 7

Take the coefficient of x; divide it by 2 and then add the squared quotient to both sides

So, we have

x^2 - 2x + 1 = 7 + 1

Factorize

(x - 1)^2 = 8

So, we have

(x - 1)^2 - 8 = 0

Replace 0 with y

y = (x - 1)^2 - 8

Hence, the equation is y = (x - 1)^2 - 8

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Answer:

To calculate the actual width of the building in meters, given the measured width of 30mm and a scale of 1:800, we can use the concept of proportions.

Since 1 unit on the scale represents 800 units in reality, we can set up the following proportion:

1 unit on the scale / 800 units in reality = 30mm / x meters

To solve for x (the actual width of the building in meters), we can cross-multiply and solve for x:

1 * x = 800 * 30mm

x = (800 * 30mm) / 1

Now, let's convert the width from millimeters to meters:

x = (800 * 30) / 1000

x = 24 meters

Therefore, the actual width of the building is 24 meters.

Step-by-step explanation:

Answer:

g(x) = 4x - 23

Step-by-step explanation:

We will assume a linear function for g(x)

This will be of the form g(x) = ax + b where a and b are constants

Given the info,

g(3) = a(3) + b = -11

g(7) = a(7) + b = 5

Thus we have two equations in a and b
3a + b = -11  [1]
7a + b = 5    [2]

Subtract [1] from [2]:
7a + b - (3a + b) = 5 - (-11)
7a + b - 3a - b = 5 + 11

4a = 16

a = 4

Substitute for a in equation [2]:

4(7) + b = 5
28 + b = 5

b = 5-28 = -23

So equation of g(x) is
g(x) = 4x - 23

The area of the shaded region is 7.63 m².

The area of the shaded region is calculated as follows;

area of the shaded region = area of circle - area of quadrilateral

The diameter of the circle is calculated as follows;

d² = 3² + 4²

d² = 25

d = √ (25)

d = 5

The radius of the circle = 5/2 = 2.5 m

Area of the circle = πr² = π (2.5)² = 19.63 m²

Area of shaded region = 19.63 m² - (3 m x 4 m) = 7.63 m²

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Door to door sampling is used when it is important to control where the sample is delivered and when the products are of a perishable nature.

The term sampling  selecting refers to the selection of a small proportion of the population extrapolating the results the results obtained from this small group to represent the characteristics of the entire population. This sample is chose in a manner as to reflect the properties the generality of the population.

Hence, door to door sampling is used when it is important to control where the sample is delivered and when the products are of a perishable nature.

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The value of F such that the area is from F to the right 0.05 is 2.231.

The distribution of F with df in the numerator of 50 and df in the denominator of 20 can be denoted as F(50,20).

a) To find the value of F so that the area is from F to the right 0.01, we need to use the inverse F distribution table or calculator. Specifically, we want to find the value of Fα such that P(F > Fα) = α = 0.01.

Using the table or calculator, we find that Fα = 2.911. Therefore, the value of F such that the area is from F to the right 0.01 is 2.911.

b) To find the value of F so that the area is from F to the right 0.05, we again need to use the inverse F distribution table or calculator. Specifically, we want to find the value of Fα such that P(F > Fα) = α = 0.05.

Using the table or calculator, we find that Fα = 2.231.

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The probabilities for exact 8 and less than 8 calls can be obtained as  0.1009 and 0.1785 respectively.

Poisson distribution is applied for the case where the events occur in a specific period of time with constant rate.

The given case belongs to Poisson distribution,

It can be solved as follows,

(a) The probability of exactly 8 calls can be obtained as,

P(Exact 8 calls) =  \(e^{-\lambda} \lambda^{x}/x!\)

Where x = 8 and λ = 2.1 × 5 = 10.5.

Then, the probability is  obtained as,

⇒ e⁻⁸ × 10.5⁸/8!

⇒ 0.1009

It implies that if 100 calls are selected randomly for the interval of 5 minute, 10 calls can be expected.

(b)  The probability of less than 8 calls can be obtained as

P(Less than 8) = \(\sum_{x =1}^{7}e^{-\lambda}\lambda^{x}/ x!\)

⇒ P(Less than 8) = 0.1785

It implies that out of 100 randomly selected 5 minute calls, around 18 have less than 8 calls.

Hence, the required probabilities for the given case are 0.1009 and 0.1785 respectively.

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The option (c)  all patients in a local hospital makes up the population

Surveys are a commonly used method for collecting data in various fields, including healthcare. They can provide valuable insights into patients' experiences, opinions, and preferences, which can help healthcare providers improve their services.

In this case, the survey was conducted among patients in a local hospital, and the results showed that 62.42% of the respondents believed that healthcare providers needed to spend more time with each patient.

The answer is not immediately obvious, but we can make some inferences based on the information given. However, we cannot generalize the results to all patients in the area or the entire population.

Third, surveys cannot account for all the factors that may influence the results, such as demographic characteristics, health status, or cultural background.

Therefore, we can conclude that the population under study is "patients in a local hospital" who participated in the survey.

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Answer:

57, 13, 13, 13

Step-by-step explanation:

Consider the multiples of 19, that is 19, 38, 57, 76

Subtract each in turn to find if remaining number is divisible by 3

96 - 19 =77 ← not divisible by 3

96 - 38 = 58 ← not divisible by 3

96 - 57 = 39 ← divisible by 3

39 ÷ 3 = 13

Thus the positive whole numbers are

57, 13, 13, 13

Answer:

draw the perpendicular bisectors of the sides and extend them. The point at which the perpendicular intersects each other will be the circumcenter of that triangle.

The work that the force F performs is -36.

F = [ay - cx]

a = 2

b = 3

c = 2

d = 3

Green's theorem is theorem about the relationship between a integral line on a simple closed curve C and a double integral of a plane D bounded by C. So, from Green's Theorem we get,

∫Pdx + Qdy = ∫∫(\(\frac{\partial Q}{\partial x}\)-\(\frac{\partial P}{\partial y}\))dA

Put the a and c value into force F equation. So,

F = [2y - 2x]

From this, we get

P = 2y

Q = -2x

\(\frac{\partial P}{\partial y}\) = 2

\(\frac{\partial Q}{\partial x}\) = -2

So, the integral formula become

∫∫(\(\frac{\partial Q}{\partial x}\)-\(\frac{\partial P}{\partial y}\))dA = ∫∫(-2-2)dA

= -4 dA

Next, we calculate the work

Work = -4 × b × d

= -4 × 3 × 3

= -36

Thus, the work is -36 for the force F performs.

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Answer:

We recommend to use a rectangular set of coordinates to make the proof  easier to complete.

Step-by-step explanation:

A right triangle is a triangle whose leg are orthogonal to each other, then we need to use a set of coordinates whose axes are orthogonal to each other. Hence, we recommend to use a rectangular set of coordinates to make the proof  easier to complete.

Answer:

(3,8)

Step-by-step explanation:

Step-by-step explanation:

put value of y in equation 2

4x + (x + 5) =20

open the brackets

5x + 5 = 20

5x = 20 - 5

5x = 15

x = 15/3

x = 5

putting value of x in y we get

y = 10

GOOD LUCK FOR THE FUTURE! :)

The correct sampling method described in the question is a stratified random sample among the simple random sample,  stratified random sample, cluster random sample and  Voluntary random sample

The sampling method described in the question is a stratified random sample.

In a stratified random sample, the population is divided into subgroups or strata based on certain characteristics or criteria. Then, a random sample is selected from each stratum. The key idea behind this method is to ensure that each subgroup is represented in the sample proportionally to its size or importance in the population. This helps to provide a more accurate representation of the entire population.

In the given sampling method, the population is divided into subgroups, and a fixed number of units is taken from each group. This aligns with the process of a stratified random sample. The sample selection is random within each subgroup, but the number of units taken from each group is fixed.

Other sampling methods mentioned in the question are:

Simple random sample: In a simple random sample, each unit in the population has an equal chance of being selected. This method does not involve dividing the population into subgroups.

Cluster random sample: In a cluster random sample, the population is divided into clusters or groups, and a random selection of clusters is included in the sample. Within the selected clusters, all units are included in the sample.

Voluntary random sample: In a voluntary random sample, individuals self-select to participate in the sample. This method can introduce bias as those who choose to participate may have different characteristics than those who do not.

Therefore, the correct sampling method described in the question is a stratified random sample.

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Answer:

$14,580

Step-by-step explanation:

To start off, 10% of 20,000-one easy way to do this is to multiply 20,000 by 0.1, which is 10% in decimal form

-In doing that, you get 2,000

-Now the question says that the value is depreciated which means it goes down in value, so subtract 2,000 from 20,000 to 18,000

-the value of the car after one year is now $18,000

Now, let's move to the second year.  This time find 10% of 18,000

-multiply 18,000 by 0.1 to get 1,800

-since the value is depreciating, or becoming less, we will subtract 1,800 from 18,000 to get 16,200

-the value of the car after two years is now $16,200

Finally, let's look at the value of the car after three years.  Only this time, we will now find 10% of 16,200

-multiply 16,200 by 0.1 to get 1,620

-since value is being depreciated, or lessened, we will once again be subtracting.  Subtract 1,620 from 16,200 to get 14,580

Therefore, the value of the car after three years is now $14,580.

Answer:

16

Step-by-step explanation:

I guessed and it was right

Answer:

-2 is greater than Negative and one-half

Step-by-step explanation:

The number is further from zero towards the negative portion o the number line making it of lesser value.

Answer: d

Step-by-step explanation:

Answer:

B) Workers being paid on commission get paid based solely on their performance.

Step-by-step explanation:

I hope this helps you :)

-KeairaDickson

The value of the given expression is -1.

Given is an expression 1/4 (-4/1) (3/5) (-5/6) (-2) we need to simplify it,

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division. The terms involved in an expression in math are:

Constant: A constant is a fixed numerical value.

Variable: A variable is a symbol that doesn't have a fixed value.

Term: A term can be a single constant, a single variable, or a combination of a variable and a constant combined with multiplication or division.

Coefficient: A coefficient is a number that is multiplied by a variable in an expression.

so,

1/4 (-4/1) (3/5) (-5/6) (-2)

= 1/4 × -4 × 3/5 × -5/6 × -2

= -1 × -1/2 × -2

= -1

Hence the value of the given expression is -1.

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