At a competition 24 of the 40 members of a middle school band won a middle. What percentage of the of the band won a middle?

Answer:

the witches from mecbeht

Answer:

where is the poem???????????,?????

In rectangle , The width is 8 and the length is 37.

What is a rectangle ?

A rectangle is a sort of quadrilateral with parallel sides that are equal to one another and four vertices that are all 90 degrees apart. Because of this, it is also known as an equiangular quadrilateral.

                              The term "parallelogram" can also be used to describe a rectangle because the opposing sides are equal and parallel.

90 = 2(x + 5 + 4x)

90 = 2(5x + 5)

90 = 10x + 10

80 = 10x

x = 8

So the width is 8 and the length is 37.

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The complete question is -

The length of a rectangle is five inches more than four times it’s width. If the perimeter is 90 inches, find its dimensions

Answer:

4.2 units^3

Step-by-step explanation:

Volume of a cone 1/3(nr^2h)

n = 22/7

r = radius  

h = height

1/3 x (22/7) x (2^2) = 4.2

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

Answer:

Step-by-step explanation:

If we assume that the angle at A is 90 degrees.. which it does seem like it would be.  then use that the sum of the angles around the inside of a right triagle is 180 .   so  you have

180 = 37 + 90 + x

53° = x  

does that help?

Answer:

24-9•2+6÷3 =12 did that help you alot

The area of triangle EFG, to the nearest square inch, is approximately 1061 square inches.

To find the area of triangle EFG, we can use the formula:

\(Area = (1/2) \times base \times height\)

In this case, the base of the triangle is FG, and the height is the perpendicular distance from vertex E to side FG.

First, let's find the length of FG. We can use the law of cosines:

FG² = EF² + EG² - 2 * EF * EG * cos(∠F)

EF = 72 inches

EG = 34 inches

∠F = 21°

Plugging these values into the equation:

FG² = 72² + 34² - 2 * 72 * 34 * cos(21°)

Solving for FG, we get:

FG ≈ 83.02 inches

Next, we need to find the height. We can use the formula:

height = \(EF \times sin( \angle F)\)

Plugging in the values:

height = 72 * sin(21°)

height ≈ 25.52 inches

Now we can calculate the area:

\(Area = (1/2) \times FG \times height\\Area = (1/2)\times 83.02 \times 25.52\)

Area ≈ 1060.78 square inches

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For part A. One way to know if there is a correlation between the data is to graph the data set, like this

Then, as can you see the data presents a positive linear correlation.

For part B. You can take the coordinates of two points and find the slope of the line using the formula

If you take

Now, using the slope formula, you can find the equation of the line in its slope-intercept form

Therefore, the function that best fits the data is

For part C. The slope of the plot is 10 and indicates that for every hour students spend time studying, they get 10 more points on the science test.

The y-intercept of the plot is 57 and indicates that if students study 0 hours for the science test, they will obtain 57 points as a grade.

You can by 24 combinations of items from the store

The given parameters are:

Cups = 3

Bowl = 4

Spoon = 2

The number of combination is:

Combination = Cups * Bowl * Spoon

So, we have:

Combination = 3 * 4 * 2

Evaluate

Combination = 24

Hence, you can by 24 combinations of items from the store

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a) Probability that a processor is used at least twice is 0.3944.

b) Probability that at least one processor is idle is 0.0817.

c) Probability of an overload is 0.0005

a) To find the probability that a processor is used at least twice, we can use the complement rule. That is, we can find the probability that no processor is used twice and then subtract this from 1.

The probability that a job is assigned to a different processor than the previous job is (50-1)/50 = 49/50.

Therefore, the probability that the first two jobs are assigned to different processors is 1.

We can apply the same logic to all 20 jobs.

The probability that no processor is used twice is,

\((49/50)^{19} (48/50)^{20}\)

Therefore, the probability that a processor is used at least twice is,

1 - \((49/50)^{19} (48/50)^{20}\) = 0.3944 .

b) To find the probability that at least one processor is idle,

We need to find the probability that all 20 jobs are assigned to different processors.

The probability that the first job is assigned to any of the 50 processors is 1.

The probability that the second job is assigned to a different processor than the first is 49/50.

We can apply the same logic to all 20 jobs.

Therefore, the probability that all 20 jobs are assigned to different processors is  \((49/50)^{19} (48/50)^{18} ... (31/50)^{1}\).

Therefore, the probability that at least one processor is idle is,

1-  \((49/50)^{19} (48/50)^{18} ... (31/50)^{1}\) = 0.0817.

c) If any processor can handle at most four jobs without being overloaded, there are different ways the overload can occur.

We can use the binomial distribution to find the probability of each of these ways and then add them up.

The probability of a processor being assigned more than four jobs is,

(\(^{20}C_5\)) \((1/50)^{5} (49/50)^{15}\).

There are 50 processors, so the probability of any processor being overloaded is  50(\(^{20}C_5\)) \((1/50)^{5} (49/50)^{15}\)..

Therefore, the total probability of an overload is,

(\(^{20}C_5\)) \((1/50)^{5} (49/50)^{15}\) = 0.0005.

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Answer:

(0,0) means she worked 0 hours and made 0 dollars. (6,45) means she worked 6 hours and made 45 dollars. She makes 7.50 dollars for every hour she works.

Step-by-step explanation:

Answer:

The selling price of the bag is $22.5

Step-by-step explanation:

Buying Price = $25,

Selling Price = ?

Since they sold it at a loss of 10%,

So, they sold it for a price 10% less than the buying price,

or at 90% or 0.9 of the buying price,

so,

Selling Price = (0.9)(25) = $22.5

Answer:

(2,2) and (6,6) would be the other two points to the square.

Step-by-step explanation:

Answer:

(2,2) or (6,6)

Step-by-step explanation:

looking at the graph you can see the diagonal of a square and I just followed the points if that make sense please tell me if you need more

Answer:

$50.40

Step-by-step explanation:

To find how much Lana will pay in total follow these steps.

First, multiply 40 by 1.05.

40×1.05=42.

This is how much she will pay for the food plus tax.

Now, multiply 42 by 1.2.

42×1.2=50.40

This is how much she will pay for the food, tax, and tip.

Lana will pay a total of $50.40.

Hope this helps!

a multiple regression model, the error term `e’ is assumed to be a random variable with a mean of is A) zero. This means that in a multiple regression model, the errors are assumed to have a mean of zero. This assumption is necessary to ensure that the model is unbiased and accurate in predicting the outcome variable.

this assumption is that the error term represents the unexplained variation in the outcome variable that is not accounted for by the predictor variables. If the error term had a mean value other than zero, this would indicate that there is a systematic bias or error in the model, which would affect the accuracy of the predictions.

the assumption of a zero mean error term is a critical aspect of multiple regression modeling and helps to ensure that the model is reliable and valid for predicting the outcome variable.

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Answer:

  0.14 lb . . .  closest choice is 0.11 lb

Step-by-step explanation:

The inside and outside radii are 1/8 in and 3/8 in, respectively. Then the area of the top of the washer is ...

  A = π(R² -r²) = π((3/8)² -(1/8)²) = π(9/64 -1/64) = π/8 . . . square inches

The height of the stack of 5 washers will be 5×(1/4 in) = 5/4 in. So, the volume of material in the stack of washers is ...

  V = Bh = (π/8)(5/4) = 5π/32 . . . cubic inches

The weight of material is the product of volume and density, so is ...

  W = (5π/32 in³)(0.285 lb/in³) ≈ 0.1399 lb ≈ 0.14 lb

_____

Comment on the question

Since this answer does not correspond to any of the offered choices, we suggest you ask your teacher to work this out for you. We suspect they will have difficulty justifying any of the answer choices shown here. (0.11 lb corresponds to 4 washers, not 5.)

The weight of 5 washers is required.

The weight of the 5 washers is 0.56 pounds

R = Outer diameter = 3/4 inch

r = Inner diameter = 1/4 inch

h = Height of washer = 1/4 inch

\(\rho\) = Density of metal = 0.285 pounds per cubic inch

The volume of the washer is

\(V=\pi R^2h-\pi r^2h\\\Rightarrow V=\pi h(R^2-r^2)\)

Mass is given by

\(m=V\rho\\\Rightarrow m=\pi h(R^2-r^2)\rho\\\Rightarrow m=\pi \dfrac{1}{4}((\dfrac{3}{4})^2-(\dfrac{1}{4})^2)\times 0.285\\\Rightarrow m=0.1119\ \text{pounds}\)

For 5 washers

\(5\times 0.11=0.5595=0.56\ \text{pounds}\)

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Step-by-step explanation:

Add 4 to both sides: 5e^3x = 35, or

Answer: I think It is 63.64%. If I'm wrong I'm sorry.

Step-by-step explanation:

Ask yourself what is 56% out of 88%. I did it in my head, but I got 63.6363636% then I rounded it to 63.64%.

The result for the expression -8(11/2) + 2(21/4) using PEDMAS will result to a value of -33.5.

P – Parenthesis First: B – Brackets First

E – Exponents

D – Division

M – Multiplication

A – Addition

S – Subtraction

We open the parenthesis (bracket) first;

-8 (1 1/2) +2 (2 1/4) = - 8/2 × 11 + 2/4 × 21

-8 (1 1/2) +2 (2 1/4) = - 4 × 11 + 1/2 × 21

-8 (1 1/2) +2 (2 1/4) = - 44 + 10.5

-8 (1 1/2) +2 (2 1/4) = - 33.5

Therefore, using PEDMAS correctly, we derive the result of the expression to be the value -33 5

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Answer:

Step-by-step explanation:

The rectangle's are is 24cm²

The area of the triangle is 31.54 square units

From the question, we have the following parameters that can be used in our computation:

We have the following values

a = 7 units

c = 11 units

B = 55 degrees

The area of the triangle is calculated using the following area formula

Area = 1/2absin(C)

Substitute the known values in the above equation, so, we have the following representation

Area = 1/2 * 7 * 11 * sin(55 degrees)

Evaluate

Area = 31.54

Hence, the area is 31.54 square units

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The expected number of "A" appearing in a random sample of size 10 drawn with replacement from a population of 100 is approximately 1,098.77. .

To calculate the expected number of a certain sample appearing in a random sample with replacement, we need to use the probability formula. The probability of a certain sample appearing in any given draw is equal to the size of the sample divided by the total population.
Let's say we have a population of 100 items, and we want to calculate the expected number of a certain sample, say "A", appearing in a random sample of size 10 drawn with replacement. The probability of drawing "A" in any given draw is 1/100.
Now, we need to consider the number of ways in which we can draw a sample of 10 from a population of 100 with replacement. This is given by the formula (n+r-1) choose r, where n is the size of the population, and r is the size of the sample. In our case, this is (100+10-1) choose 10, which equals 109,876,881.
Using these values, we can calculate the expected number of "A" appearing in the sample as follows:
Expected number of A = Probability of A appearing in any given draw x Number of ways of drawing a sample of 10 with replacement
Expected number of A = 1/100 x 109,876,881
Expected number of A = 1,098,768.81
Therefore, the expected number of "A" appearing in a random sample of size 10 drawn with replacement from a population of 100 is approximately 1,098.77.
It's important to note that the actual number of "A" appearing in the sample may vary from this expected value, as the sample is random and subject to chance. However, over multiple samples, the average number of "A" appearing is expected to be close to this value.

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Answer:

$9802.90

Step-by-step explanation:

$9802.90

Step-by-step explanation:

17.4%  = 0.174

So retail price = 8,350 + 8,350 * 0.174

= $9802.90

Answer:

\( \huge \purple{m < \frac{71}{7} } \\ \)

Step-by-step explanation:

\(170 - 7m > 99\)

Move 170 to the right side of the inequality

\( - 7m > 99 - 170 \\ - 7m > - 71\)

Divide both sides by - 7

\( \frac{ - 7m}{ - 7} > \frac{ - 71}{ - 7} \\ m > \frac{71}{7} \)

Flip the signs

We have the final answer as

\(m < \frac{71}{7} \\ \)

Hope this helps you

Answer:

the answer is A. so 10

Answer:

it might be c or a i go with c

Step-by-step explanation:

not for sure just a best guess

The y as a function of x if y⁴ – 8y"' + 16y" = 0, y(0) = 14, y’(0) = 17, y"'(0) = 16, y(x)= 11+9x+e\(e^{4x}\) (3-4x).

This connection is often represented as y = f(x)—also known as "f of x"—and y and x are coupled in such a way that for each x, there is a unique value of y. That is, given the same x, f(x) cannot have more than one value. A function, in set theory terms, connects an element x to an element f(x) in another set. The domain of the function is the set of x values, and the range of the function is the set of f(x) values created by the domain of values. In addition to f(x), additional shortened symbols such as g(x) and P(x) are frequently used to denote functions of the independent variable x, particularly when the nature of the function is unknown.

y⁴-8y"'+16y" = 0

y(0) = 14, y'(0)= 17;y"(0) = 16; y'"(0) = 0

use the characteristics equation m⁴ - 8m³ + 16 m² = 0 and solve for m

m² (m² - 8m+16) = 0

m² = 0 and (m-4)² = 0 so here we have two repeated roots 0 and 4

y(x) = c₁\(e^{0x}\) + c₂x\(e^{0x}\)  + c₃e⁴ˣ + c₄xe⁴ˣ

y(x) = c₁ + c₂x +e⁴ˣ (c₃ + c₄x)

y'(x) = c₂+4ex (c3+ cqx)+ ₁e+x

y"(x) = 16e (c3+4x) + 8c4e**

y""(x) = 64e (C3+ (4x)+48c4e

y(0) = c + 3 = 14

y'(0) = c₂+ 463 + 4 = 17

"(0) = 16c38c4=16

y""(0) = 64c₃+48c₄ = 0

Now by solving the system of equations, we obtain

c₁=11, c₂=9,c₃ = 3 and c₄ = -4

y(x)= 11+9x+e\(e^{4x}\) (3-4x).

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Length of each side: x = √2(d/2) = √2(x√3)/2 = √3 cm (since we are given that the diagonal measures 3 cm) ,Measure of angle FGH: a = arctan(d/x) = arctan((x√3)/x) = arctan(√3) = 60 degrees

What is rhombus ?

A rhombus is a two-dimensional geometric shape that has four sides of equal length and opposite angles that are congruent (equal).

To find the lengths and angle measures of rhombus FGHJ, we need to know some properties of a rhombus:

A rhombus is a quadrilateral with all four sides of equal length.

The opposite angles of a rhombus are equal.

The diagonals of a rhombus are perpendicular bisectors of each other.

Let's use these properties to find the requested lengths and angle measures.

First, we know that all four sides of a rhombus are equal in length. Let's say that each side has a length of "x".

Second, we know that opposite angles of a rhombus are equal. So, let's label one of the angles in the rhombus as "a". Then, the opposite angle also measures "a".

Third, we know that the diagonals of a rhombus are perpendicular bisectors of each other. Let's label the point where the diagonals intersect as "O". Then, the diagonal that passes through vertex F and vertex H divides the rhombus into two congruent triangles. Let's label the length of the diagonal as "d".

Using these labels and properties, we can find the requested lengths and angle measures as follows:

Length of each side: Since all sides of a rhombus are equal, we can use the Pythagorean Theorem to find the length of each side in terms of the diagonal:

x² = (d/2)² + (d/2)²

x² = 2(d/2)²

x = √2(d/2)

Measure of angle FGH: Since the opposite angles of a rhombus are equal, we know that angle FGH and angle JHF both measure "a". Also, since the diagonals of a rhombus are perpendicular bisectors of each other, we know that angle FHO is a right angle. Therefore, we can use trigonometry to find the measure of angle FGH:

tan(a) = (d/2)/(x/2)

tan(a) = (d/x)

a = arctan(d/x)

Length of diagonal: Since the diagonals of a rhombus are perpendicular bisectors of each other, we can use the Pythagorean Theorem to find the length of the diagonal in terms of the side length:

(d/2)² = x² - (x/2)²

d²/4 = 3x²/4

d² = 3x²

d = x√3

So, the lengths and angle measures of rhombus FGHJ are:

Length of diagonal: d = x√3 = √3 cm (since we found that x = √3 cm)

Therefore, Length of each side: x = √2(d/2) = √2(x√3)/2 = √3 cm (since we are given that the diagonal measures 3 cm) ,Measure of angle FGH: a = arctan(d/x) = arctan((x√3)/x) = arctan(√3) = 60 degrees

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