25 Points Please Help!!!

Denae is designing bouquets for the tables at her restaurant. She wants at least twice as many daisies as daffodils in each bouquet. Daisies are $0. 50 each and daffodils are $0. 75 each. Denae has a total of $50 to spend. Denae needs both daisies and daffodils in each bouquet.


Let x represent the number of daisies. Let y represent the number of daffodils.


Which inequalities are among the constraints for this situation?


Select each correct answer.

y > 0


y≤2xy≤2x


x≤2yx≤2y


0. 5x+0. 75y≤500. 5x+0. 75y≤50


x≥0. 5

Answer:

2

−

5

2

Step-by-step explanation:

=0.3

Answer:

  $31.62

Step-by-step explanation:

Assuming the price is proportional to the volume, your price will be ...

  price/(10.83 gal) = ($10.16)/(3.48 gal)

  price = $10.16(10.83/3.48) ≈ $31.62

You will have to pay $31.62.

The questions for grade 7 math worksheets are typically prepared by math teachers, curriculum specialists, and educational publishers.

These professionals use their knowledge of math concepts and pedagogy to create questions that are appropriate for the grade level and aligned with educational standards.

Additionally, they may use feedback from students and other teachers to refine the questions and ensure they are effective for teaching and learning. It is important for the questions to be clear, accurate, and challenging in order to help students develop their math skills and prepare for more advanced concepts.

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The yield to maturity of a ten-year, $1000 bond with a 5.2% coupon rate and semi-annual coupons, if the =bond is currently trading for a price of $884, is 6.23%. Thus, option a and option b is correct

Yield to maturity (YTM) is the anticipated overall return on a bond if it is held until maturity, considering all interest payments. To calculate YTM, you need to know the bond's price, coupon rate, face value, and the number of years until maturity.

The formula for calculating YTM is as follows:

YTM = (C + (F-P)/n) / ((F+P)/2) x 100

Where:

C = Interest payment

F = Face value

P = Market price

n = Number of coupon payments

Given that the bond has a coupon rate of 5.2%, a face value of $1000, a maturity of ten years, semi-annual coupon payments, and is currently trading at a price of $884, we can calculate the yield to maturity.

First, let's calculate the semi-annual coupon payment:

Semi-annual coupon rate = 5.2% / 2 = 2.6%

Face value = $1000

Market price = $884

Number of years remaining until maturity = 10 years

Number of semi-annual coupon payments = 2 x 10 = 20

Semi-annual coupon payment = Semi-annual coupon rate x Face value

Semi-annual coupon payment = 2.6% x $1000 = $26

Now, we can calculate the yield to maturity using the formula:

YTM = (C + (F-P)/n) / ((F+P)/2) x 100

YTM = (2 x $26 + ($1000-$884)/20) / (($1000+$884)/2) x 100

YTM = 6.23%

Therefore, If a ten-year, $1000 bond with a 5.2% coupon rate and semi-annual coupons is now selling at $884, the yield to maturity is 6.23%.

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Keiko used 83.5 pounds of type A coffee and 82.5 pounds of type B coffee in the blend.

An expression constructed using integer constants, variables, and algebraic operations is known as an algebraic expression

Given:

Type A coffee cost $5.35 per pound

Type B Coffee cost $4.05 per pound

Keiko made total 166 pound of the blend of $780.85

Therefore,

\(5.35x + 4.05y = 780.85 \;\;\;\;\; -------equation (1)\)

\(x + y = 166 \;\;\;\; ---------equation (2)\)

simplify the equation (2),

\(y = 166-x\)

Substitute the value of y in equation (1),

\(5.35x + 4.05 (166-x) = 780.85\)

\(5.35x + 672.3 - 4.05x = 780.85\)

\(5.35x-4.05x=780.85-672.3\)

\(1.3x=108.55\)

Therefore,

\(Total\;pound\;of\;type\;A\;coffee\;is,\;x=83.5\;pounds\)

Substitute the value of x in equation (2),

\(y=166-83.5\)

Therefore,

\(Total\;pound\;of\;type\;B\;coffee\;is,\;y=82.5\;pounds\)

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The price of a 1940 movie ticket in today's dollars, which was option (e) $4.64.

To determine the price of a 1940 movie ticket in today's dollars, we need to adjust the price using the CPI. The CPI in 1940 was 14, while the CPI today is 260. The formula for adjusting the price for inflation is:

Adjusted Price = Price in Year T1 x CPI in Year T2 / CPI in Year T1

Where T1 is the base year and T2 is the target year.

In this case, the base year is 1940, and the target year is today. Therefore, we can calculate the adjusted price of the 1940 movie ticket as follows:

Adjusted Price = $0.25 x 260 / 14

Adjusted Price = $4.64

Therefore, the price of a 1940 movie ticket in today's dollars is $4.64.

Then the correct option is (e).

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Check the picture below.

The equation of variation is xy = 96. The value of y when x = 18 is 16/3 and the value of x when y = 8 is 12.

A proportional relationship is a relationship between two expressions and where changes in one expression means some constant change in the other expression as well. Generally, it is represented as x/y = k, where x and y are two expressions and k is constant.

Given:

y inversely varies as x.

That means, y ∝ 1/x.

So, y = kx, where k constant of variation.

Then, x × y = k

When y = 16, x = 6.

k = 6 × 16 = 96

So, the equation of variation is xy = 96.

When x = 18,

18y = 96

⇒ y = 96/18

⇒ y = 16/3

When y = 3.2,

3.2(30) = 96

When y = 8

8x = 96

⇒ x = 12

Therefore, the values are  y = 16/3 and  x = 12.

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Answer:

3:4 and 15:20

Step-by-step explanation:

The answer is the fourth one because 3:4 and 15:20 are equivalent, so there's your answer. Hope it helps!

Answer:

a . 9/25

b. 13/25

c. 3/5

Step-by-step explanation:

Firstly, we add the number of balls to get the total number of balls = 3 + 2 = 5 balls

P(R) = number of red/total number of balls = 3/5

P(B) = number of blue/total number of balls = 2/5

Since the experiment is with replacement, whatever ball picked would be returned

a. Probability of both balls being red = P(R) * P(R) = 3/5 * 3/5 = 9/25

b. Probability of both balls being same color;

That is : probability of both balls being red or both being blue

Mathematically that would be;

P(R) * P(R) or P(B) * P(B)

whenever we have or in probability, what we do is to add ;

= (3/5 * 3/5) + (2/5 * 2/5) = 9/25 + 4/25 = 13/25

C. at least one of the balls is red

what this means is that both are red or one of the two is red.

Mathematically;

P(R) * P(R) or P(B) * P(R)

= (3/5 * 3/5) + (3/5 * 2/5)

= 9/25 + 6/25 = 15/25 = 3/5

Answer:

\(\displaystyle h'(0) = -5\)

Step-by-step explanation:

We are given the function:

\(\displaystyle h(x) = 3f(x) -2g(x) - 5\cos x - 3\)

And that f'(0) = 3 and g'(0) = 7.

And we want to determine the value of h'(0).

Find h'(x). We can take the derivative of both sides:

\(\displaystyle h'(x) = \frac{d}{dx}\left[ 3f(x) - 2g(x) - 5\cos x - 3\right]\)

Expand and simplify:

\(\begin{aligned}\displaystyle h'(x) & = \frac{d}{dx}\left[ 3f(x) - 2g(x) - 5\cos x - 3\right] \\ \\ & = \frac{d}{dx}[3f(x)] + \frac{d}{dx}[-2g(x)] + \frac{d}{dx}[-5\cos x] + \frac{d}{dx}[-3]\\ \\ & = 3f'(x) -2g'(x) +5\sin x\end{aligned}\)

Therefore:

\(\displaystyle h'(0) = 3f'(0) -2 g'(0) + 5 \sin (0)\)

Substitute and evaluate:

\(\displaystyle \begin{aligned} h'(0) & = 3(3) - 2(7) + 5(0) \\ \\ & = (9) - (14) + (0) \\ \\ & = -5\end{aligned}\)

In conclusion:

\(\displaystyle h'(0) = -5\)

The true size of a block with a nominal size of 6x4x16 may vary. The nominal size refers to the intended dimensions, but the actual size can differ due to manufacturing tolerances and other factors.

The nominal size of 6x4x16 indicates the intended dimensions of the block, with a length of 16 units, width of 6 units, and height of 4 units. However, the true size of the block can vary from the nominal size due to manufacturing tolerances and other factors.

Manufacturing processes may introduce slight variations in the actual dimensions of the block. These variations are commonly referred to as tolerances. Tolerances account for potential deviations from the intended dimensions and are necessary to accommodate practical considerations during manufacturing.

Therefore, without specific information on the tolerances or manufacturing specifications, it is not possible to determine the true size of a block with a nominal size of 6x4x16. The true size can vary within an acceptable range based on manufacturing tolerances and other factors.

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Answer:

$26.65

Step-by-step explanation:

41 decrease 35% =

41 × (1 - 35%) = 41 × (1 - 0.35) = 26.65

Answer:

-6

Step-by-step explanation:

follow

BODMAS

bracket=(11-8)=3

3!= 3x2x1=6

multiplication= -2x6= -12

subtraction=6-12=-6

The value of ε is thus bounded by the maximum value of \(f^(6)(c)\) in this range.

The given function is \(e^(-2x)\). We can write this in Taylor Polynomial of degree 6 as

\(f(x) = 1 - 2x + 2x^2 - (2^2/2!)x^3 + (2^3/3!)x^4 - (2^4/4!)x^5 + (2^5/5!)x^6 + ε\)

The coefficients of this Taylor Polynomial are 1, -2, 2, -4/2, 8/6, -16/24, 32/120 respectively.

The error in this case is given by ε which is the remainder in the Taylor Polynomial. This is calculated as the value of the n+1th derivative of the function at the point of expansion. We expand the Taylor Polynomial at a=0, so the error ε is given by

\(ε = (2^6/6!)f^(6)(c)\)

for some c between 0 and x. The value of ε is thus bounded by the maximum value of \(f^(6)(c)\) in this range.

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Answer:

This graph is kind of funky, but it should be 70

Step-by-step explanation:

23+47=70

Please mark Brainliest!!!

Answer:

70

Step-by-step explanation:

If one variable decreases, the other variable will also tend to decrease if the correlation coefficient is positive.

If the correlation coefficient (r) is positive, it means that the two variables have a positive linear relationship.

This means that as one variable increases, the other variable also tends to increase.

Conversely, as one variable decreases, the other variable tends to decrease as well.

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Since no specific figure or measurements were provided in the student question, it's important to follow these steps for any given 3-dimensional shape.

To find the volume and surface area of a figure, follow these steps:
Identify the type of figure
Determine the shape of the figure, whether it's a sphere, cube, cylinder, or another 3-dimensional shape.
Determine the necessary measurements
Depending on the figure, gather measurements like the length, width, height, or radius.
Calculate the volume
Use the appropriate formula for the figure's volume:
- Cube: \(V = L^3\)(L = length)
- Rectangular prism: V = L * W * H (L = length, W = width, H = height)
- Sphere: V = (4/3) * π * \(r^3\)(r = radius)
- Cylinder: V = π *\(r^2\) * h (r = radius, h = height)
Calculate the surface area
Use the appropriate formula for the figure's surface area:
- Cube: SA = 6 *\(L^2\) (L = length)
- Rectangular prism: SA = 2 * (L * W + L * H + W * H) (L = length, W = width, H = height)
- Sphere: SA = 4 * π * \(r^2\) (r = radius)
- Cylinder: SA = 2 * π * r * (r + h) (r = radius, h = height)
Round your answers to the nearest hundredth, if necessary
Use standard rounding rules to round the calculated volume and surface area to the nearest hundredth.

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The quadratic regression equation that best fits the given data set is y = -0.8725x^2 + 19.145x + 15.927.

To determine the quadratic regression equation that best fits the given data set, we need to find the equation of a quadratic function that closely represents the relationship between the independent variable (x) and the dependent variable (y).

Using a graphing calculator or a statistical software, we can perform a quadratic regression analysis on the data set to obtain the equation of the best-fit quadratic function. The equation will be in the form of y = ax^2 + bx + c, where a, b, and c are coefficients that will be determined by the regression analysis.

After performing the quadratic regression analysis on the given data set, the equation of the best-fit quadratic function is:

y = -0.8725x^2 + 19.145x + 15.927

This quadratic equation represents the best-fit curve that approximates the relationship between x and y in the given data set. The coefficients -0.8725, 19.145, and 15.927 determine the shape, position, and intercepts of the quadratic curve.

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The  values of x will f(x) > 0 for x < 0, and f(x) < 0 for -6 < x < 0 and x > -6.

To determine the values of x for which f(x) > 0, we need to find the intervals where the function is positive. Let's analyze the function f(x) = x*-x³-6x².

First, let's factor out an x from the expression to simplify it: f(x) = x(-x² - 6x).

Now, we can observe that if x = 0, the entire expression becomes 0, so f(x) = 0.

Next, we analyze the signs of the factors:

1. For x < 0, both x and (-x² - 6x) are negative, resulting in a positive product. Hence, f(x) > 0 in this range.

2. For -6 < x < 0, x is negative, but (-x² - 6x) is positive, resulting in a negative product. Therefore, f(x) < 0 in this range.

3. For x > -6, both x and (-x² - 6x) are positive, resulting in a negative product. Thus, f(x) < 0 in this range.  

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the probability that all 36 problems in the homework will be completed in less than 180 minutes

P(∑\(\left \{ {{i=36} \atop {i=1}} \right.\) \(X_{i}\) < 180) = P(X<5) = P(Z<-1) = ∅(-1)

given that

there are 36 independent problems

mean(μ) = 6minutes

standard deviation(σ) = 3 minutes

sample standard deviation = σ/\(\sqrt{n}\)

 = 3/\(\sqrt{36}\)

 =3/6

 =0.5

the sample mean x of 36 questions answering time approximately follows a normal distribution with mean 6 minutes and sample standard deviation is 0.5 minutes

now we need to find the probability that all 36 problems in the homework will be completed in less than 180 minutes

P(∑\(\left \{ {{i=36} \atop {i=1}} \right.\) \(X_{i}\) < 180) = P(X<5) = P(Z<-1) = ∅(-1)

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Answer:

A), C), E)

Step-by-step explanation:

Answer:

29cm is cool

Step-by-step explanation:

Therefore , the solution of the given problem of equation comes out to be  option c is correct 2y = f(x) .

The equal letter (=) is used to signify equivalence between the statements in a mathematical formula. Using mathematical equation, which are declarations of reality, it is shown that many mathematical variables are equivalent. For instance, the equal sign in the equation

y + 6 = 12 divides the values 12 or b + 6 into two halves. The number of words that each side of a symbol corresponds to can be measured. Typically, a symbol's meaning is at odds with itself.

Here,

Given :

Every point on the graph in red is 1/2 away from the x-axis as that of the equivalent position on the graph in black.

Therefore, the vertically scale factor is equal to 1/2:

=> y = (1/2)f(x)

This problem can be solved by multiplying it by two and yields the following solution:

=> 2y = f(x)

thus , option c is correct

Therefore , the solution of the given problem of equation comes out to be  option c is correct 2y = f(x) .

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Answer:

-1

Step-by-step explanation:

6(x) - (3y + 7) - xy

6(5) - (3(3) + 7) - (5)(3)

30 - (9+7) - 15

30 - 16 - 15

-1

Hope this helps! Pls give brainliest!

Answer:

-1

Step-by-step explanation:

1. replace all the variables with the values it gives you-

6(5) - [ 3(3) + 7] - (5)x(3)

2. then if you combine everything using pemdas-

30 - (9 + 7) - 15

3. repeat step #2-

30 - 16 - 15

4. then solve-

30 - 16 = 14 then subtract 15 to give you -1

The speed of the object is 12121 m per week.

What does it mean to do speed?

The object is moving at a speed of 2 centimeters every 7 seconds.

We need to find the speed in m per week.

2 cm = 0.02 m

1 week = 604800 s

7 s =  \(1.65 * 10^{-6} week\)

Speed = distance/time

So,

\(v = \frac{0.02 m}{1.65 * 10^{-6 } week}\)

\(v = 12121.21 m/ week\)

or v = 12121 m/ week

So, the speed of the object is 12121 m per week.

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Answer:

Step-by-step explanation:

If we draw this triangle with Q as the vertex angle (the one at the top of the triangle) then the 2 sides are congruent and this is an iosceles triangle. Because this is an isosceles triangle, then the 2 base angles, angle R and angle S are congruent. If Q measures 114 degrees, then angles R and S together have to add up to the difference between 180 and 114:

180 - 114 = 66

Divide that in half so R = S = 33 degrees each

Answer:

Step-by-step explanation:

$4.64

Answer: 5940

Step-by-step explanation:

we have 18,000 in the bank with an interest of 3%

the simple interest I= prt, where p is the principal, in this case is 18,000

r is the rate, 3%, and t is the time, t=11 years

I= 18,000 * 3/100 *11=5940