Please help!!!! No explanation needed
Help is appreciated

Answer:

$1.50

Step-by-step explanation:

Answer:

-9 - (-2)= -7

Step-by-step explanation:

Option d. m>7 is the correct answer.

Given,

     2m+5>19

or, 2m+5+(-5)>19+(-5)      [adding both side with a negative number doesn't

                                           change the inequality sign]

or, 2m>14

or, (2m/2)>(14/2)             [also dividing both sides by a non-negative number     doesn't change the inequality sign]

or, m>7.

Hence, m>7 is the correct answer to the given question.

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Answer: 36

Step-by-step explanation:

Circumference is \(C=d\pi\)

Diameter is 2r

Diameter is 14

\(\pi\)= 22/7

\(C=14(\frac{22}{7} )\)

C=44

half the circumference is 22- so the circle part is 22

plus the 14 for the bottom

22+14=36

Answer: a. 5

Since the angle is right, we know it is equal to 90 degrees.

Using the information provided, we can set up an equation.

50 + 5x + 15 = 90

Simplifying the equation, we get:

5x + 65 = 90

Subtracting 65 from both sides, we get:

5x = 25

Dividing both sides by 5, we get:

x = 5

To estimate the volume using the Midpoint Rule with \(\displaystyle n=5\), we need to divide the interval \(\displaystyle 0\leq x\leq 1\) into \(\displaystyle n\) subintervals of equal width. Since \(\displaystyle n=5\), each subinterval will have a width of \(\displaystyle \Delta x=\frac{1-0}{5}=\frac{1}{5}\).

Now, let's calculate the volume using the Midpoint Rule. The formula for the volume obtained by rotating about the y-axis is:

\(\displaystyle V\approx 2\pi \sum _{i=1}^{n}y_{i}\Delta x\)

where \(\displaystyle y_{i}\) represents the value of the function \(\displaystyle y=\sqrt{1+x^{3}}\) evaluated at the midpoint of each subinterval.

First, let's find the midpoints of the subintervals. Since the width of each subinterval is \(\displaystyle \Delta x=\frac{1}{5}\), the midpoint of the \(\displaystyle i\)-th subinterval is given by:

\(\displaystyle x_{i}=\frac{\Delta x}{2}+\left( i-\frac{1}{2}\right) \Delta x=\frac{1}{10}+\left( i-\frac{1}{2}\right) \frac{1}{5}\)

Substituting \(\displaystyle x_{i}\) into the function \(\displaystyle y=\sqrt{1+x^{3}}\), we obtain:

\(\displaystyle y_{i}=\sqrt{1+\left( \frac{1}{10}+\left( i-\frac{1}{2}\right) \frac{1}{5}\right) ^{3}}\)

Now, we can calculate the approximate volume using the Midpoint Rule:

\(\displaystyle V\approx 2\pi \sum _{i=1}^{5}y_{i}\Delta x\)

Substituting the values of \(\displaystyle y_{i}\) and \(\displaystyle \Delta x\) into the formula, we can evaluate the sum and compute the estimated volume.

\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)

♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)

Part A: To draw triangles ABC and DEC separately, follow these steps:

The lengths of sides BC, DE, and EC are as follows:

Part B: To find side AB of triangle ABC, we can use the concept of similarity and ratios. Since triangles ABC and DEC are similar, their corresponding sides are proportional. We can set up the following proportion:

AB/DE = BC/EC

Plugging in the given values, we get:

AB/1.2 = BC/2

To solve for AB, we can cross-multiply and then divide:

AB = (BC/2) x  1.2

Now we need to find the value of BC. We can use the Pythagorean theorem, as BC is the hypotenuse of triangle ABC. The Pythagorean theorem states that the square of the hypotenuse is equal to the sum of the squares of the other two sides.

BC² = AB² + BE²

Plugging in the given value for BE, we get:

BC^2 = AB² + 0.3²

Now we can substitute the value of AB from the previous equation into this equation:

BC² = ((BC/2) * 1.2)² + 0.3²

Simplifying, we get:

BC² = 0.36 x BC^2/4 + 0.09

Multiplying both sides by 4 to eliminate the fraction, we get:

4 x  BC² = 0.36 x BC² + 0.36 + 0.09

Combining like terms, we get:

4 x  BC² = 0.36  BC² + 0.45

Subtracting 0.36 x BC² and 0.45 from both sides, we get:

3.64 x BC² = 0.45

Dividing both sides by 3.64 to isolate BC², we get:

BC² = 0.45 / 3.64

Taking the square root of both sides to solve for BC, we get:

BC ≈ √(0.45 / 3.64)

BC ≈ 0.357 feet

Now we can substitute the value of BC back into the equation for AB:

AB = (BC/2) x  1.2

AB ≈ (0.357/2) x  1.2

AB ≈ 0.214 feet

So, the approximate length of side AB of triangle ABC is 0.214 feet.

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See full text below



Triangles ABC and DEC are similar. Side DE is 1.2 feet, side EC is 2 feet, and side BE is 0.3 foot.

Part A: Describe how to draw triangles ABC and DEC separately. Be sure to give the lengths of sides BC, DE, and EC in the description. (6 points)

Part B: Find side AB. Show each step of your work. (6 points)

Answer:By the formula for the area of a rectangle. Because length = 2 times width. Simplify. So w = -4 or w = +4. Obviously, having a negative width is nonsensical

Step-by-step explanation:

Both the interquartile range (IQR) and the range indicate that Bus 18 is the more consistent option. Its IQR of 16 and range of 16 are both smaller than the corresponding values for Bus 47, implying that the travel times of the students on Bus 18 are more consistent and have less variability.

To determine which bus is the most consistent, we can compare the measures of variability provided for each bus, namely the interquartile range (IQR) and the range.

The IQR is a measure of spread that represents the range of the middle 50% of the data. It is calculated by subtracting the first quartile (Q1) from the third quartile (Q3) of a dataset. The IQR provides information about the spread of the central portion of the data, ignoring outliers.

Looking at the given information:

For Bus 18:

IQR = 16

For Bus 47:

IQR = 24

Comparing the IQRs, we can conclude that Bus 47 has a larger IQR of 24, while Bus 18 has a smaller IQR of 16. A larger IQR indicates a greater spread or variability in the data, suggesting that the travel times of the students on Bus 47 vary more widely than those on Bus 18. Therefore, Bus 18 is more consistent or has less variability in travel times based on the IQR.

Additionally, we can also consider the range, which is the difference between the maximum and minimum values in a dataset. The range provides a measure of the total spread of the data, including the extreme values.

For Bus 18:

Range = 16

For Bus 47:

Range = 24

Comparing the ranges, we see that Bus 47 has a larger range of 24, while Bus 18 has a smaller range of 16. Similar to the IQR, a larger range indicates a wider spread or variability in the data, whereas a smaller range suggests less variability. Therefore, based on the range as well, Bus 18 is more consistent or has less variability in travel times compared to Bus 47.

In summary, both the interquartile range (IQR) and the range indicate that Bus 18 is the more consistent option. Its IQR of 16 and range of 16 are both smaller than the corresponding values for Bus 47, implying that the travel times of the students on Bus 18 are more consistent and have less variability.

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Answer:

?

Step-by-step explanation:

Answer:

84

Step-by-step explanation:

7(9+3) you multiply 7 to both numbers like this

63+21 and then you can simplify

84

If you need the other 3 done just comment on this question to tell me

Also please mark brainliest

Answer:

Step-by-step explanation:

1.84

2.32

3.30

4.88

1.

84 because PEMDAS(parenthesis/Exponents/Multiply/Divide/Add/Subtact) says you do parenthesis first. So you add 9 and 3 to get 12. The you do 12*7 to get 84.

Answer:

1 4/21

Step-by-step explanation:

both fractions need the same denominator:

6   1       ?         ?

7   3  =   21      21

I multiplied 7  times 3 to get 21 and 3 times 7 to get 21.

now multiply the numerators as you did the denominators:

7 * 3, so 6 * 3. = 18

3 * 7, so 1 * 7. = 7

now are fractions are like this:

18        7      

21        21

now multiply them:

(18/21) * (7/21) = 25/21 = 1 4/21

Answer:17

Step-by-step explanation:

1) 30 -13=17

n=17

Answer:

the rule for rotation  180 degrees clockwise around the origin is:

(x,y) --------> (-x,-y)

(-3,0) --------> (-(-3),0)

(-3,0) --------> (3,0)

rotation counterclockwise 180 degrees is the same as rotation 180 degrees clock wise:

(x,y) -------->(-x,-y)

Answer:

the answer is counterclockwise 180

Step-by-step explanation:

The solutions of the cubic roots ∛(-1/512) and ∛(343/64) are (-1/8) and 7/4 respectively.

A number's cube root is the number that, when cubed, yields the provided number.

Given,  

∛(-1/512) and ∛(343/64)

To find the cubic roots:

We find the cube of numbers under the cubic roots.

That means,

∛(-1/8)³ and ∛(7/4)³

So, solving further,

(-1/8) and 7/4

Hence,  (-1/8) and 7/4 are cubic roots of the  ∛(-1/512) and ∛(343/64) respectively.

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Answer:

1) width = 10 + 2x

length = 20 + 2x

2) area = (10 + 2x)(20 + 2x)

= 4(5 + x)(10 + x)

3) 4(5 + x)(10 + x) = 600

(5 + x)(10 + x) = 150

50 + 15x + x^2 = 150

x^2 + 15x - 100 = 0

(x - 5)(x + 20) = 0

x = 5 feet

The width of the walkway is 5 feet.

Answer:

6 miles in one hour

Step-by-step explanation:

Answer:6 miles an hour

Step-by-step explanation:

Answer:  You should do a representation of how the heat and light waves reach humans on earth and keep us warm.

Step-by-step explanation:

all your answers are already in the task introduction.

1. Make earth out of styrofoam ball (buy at a dollar store) and paint. (blue and green). (If you want to make humans out of popsicle sticks)

2. Use velvet pipe cleaners (blue for cold air and red for hot air) to represent convection and conduction.

3. Use yellow pipe cleaners for solar energy to represent radiation.

4. Rest is up to you for how you want it to look.

Answer:

z=6

Step-by-step explanation:

25-19=6

19+6=25

Answer:

z = 6

Step-by-step explanation:

19 + 6 = 25

Hope this helps.

Answer:

The answer is 6,400 I hope you get a good grade

THIS MIGHT NOT BE WHAT YOU ARE LOOKING FOR AND MIGHT NOT BE CORRECT! READ FIRST!

The answer is A. The slope of the line is rise/run = 4/2 = 2.1. This means that each kilometer costs $2.10. The y-intercept is 2.1, which means that the initial fee is $2.10. So the correct statement is: The slope is 2.1. This means that each kilometer costs $2.10.

The other statements are incorrect. The slope is not 5, so each kilometer does not cost $5. The y-intercept is not 5, so the ride does not last 5 kilometers. The y-intercept is the value of the function when the input is 0, which in this case is the initial fee of $2.10.

The equation of the line that passes through the points (4,−3) and (2,−4) is y = 1/2x - 5

The general formula for calculating the equation of a line is expressed with the given equation;

y = mx + c

the parameters of the equation are;

From the information given, we have;

Slope, m = y₂ - y₁/x₂ - x₁

Substitute the values

Slope, m = -4 - (-3)/ 2 - 4

subtract the values

Slope = -1/-2 = 1/2

Then, the intercept is;

-4 = 1/2(2) + c

c = -4 - 1 = -5

The equation , y = 1/2x - 5

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Answer:

297 units squared

Step-by-step explanation:

You just have to break the squares down and compare them to the other sides of the squares.  For example, F is a 4 by 4 square and B is a 5 by 5 square, to find the dimensions of square E, you would just subtract 5 by 4.  By looking at the side relationships of the squares, you can easily find the dimensions of each one.

A - 9 by 9

B - 5 by 5

C - 6 by 6

D - 7 by 7

E - 1 by 1

F - 4 by 4

G - 8 by 8

H - 5 by 5

Multiply and add to get 297

Answer:

297 units squared

Step-by-step explanation:

Answer:

around 49 or a bit over 50 cents

Step-by-step explanation: