I need help dudes... DO THIS ASAP AND I'LL MARK YOU THE BRAINlYLIEST!!!! PLUS this question it due in 20 mins sooo

Alex went to the store and purchased red and blue jelly beans. The ratio of red to blue jelly beans is 3 to 7. If 140 jelly beans were in the bag, how many red jelly beans were in the bag?

URGENT!!!

The amount of calories that Jessica burns each hour of her hike is 196.33 calories.

Division is when a number is grouped into equal groups using another number. The sign used to denote division is ÷.

Calories burn per hour = 589 / 3 = 196.33 calories.

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the maximum value of the volume V of the right circular cylinder is 400√3π cubic centimeters when the radius of the cylinder is x = √(800/3π) cm.

How to find the volume?

To find the maximum value of V, we need to first express the volume of the cylinder in terms of x.

The formula for the volume of a right circular cylinder is V = πr²h, where r is the radius and h is the height.

Using the given information, we can express the volume as:

V = πx²[(800/πx) - x]

Simplifying this expression, we get:

V = 800x - πx³

To find the maximum value of V, we need to differentiate V with respect to x and set it equal to zero.

dV/dx = 800 - 3πx² = 0

Solving for x, we get:

x = √(800/3π)

Substituting this value of x into the expression for V, we get:

V = 800(√(3π/800))³ = 400√3π

Therefore, the maximum value of V is 400√3π cubic centimeters, which occurs when the radius of the cylinder is x = sqrt(800/3π) cm.

It is important to note that we have confirmed that this is indeed a maximum value by verifying that the second derivative of V with respect to x is negative at this point, indicating a concave down shape.

In summary, the maximum value of the volume V of the right circular cylinder is 400√3π cubic centimeters when the radius of the cylinder is x = √(800/3π) cm.

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The property illustrated in equation 4(-8+5) = -32 + 20 is the Distributive Property.

The Distributive Property states that when a number is multiplied by a sum or difference in parentheses, it can be distributed or multiplied by each term inside the parentheses separately, and then the results can be added or subtracted.

In this case, the number 4 is multiplied by the sum (-8 + 5). By applying the Distributive Property, we distribute the 4 to each term inside the parentheses:

4(-8 + 5) = (4 * -8) + (4 * 5)

This simplifies to:

4(-8 + 5) = -32 + 20

Finally, we can perform the addition:

-32 + 20 = -12

Therefore, the equation demonstrates the application of the Distributive Property.

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Answer: - 4/5x + 1.8

Step-by-step explanation:

"-":  because the slope is negative

"4/5": because its the slope

"x": because it is part of 'mx + b'

"1.8": because it's the y-intercept that fits this equation

Answer:

y = -4/5x + 1.8

Step-by-step explanation:

1st find the slope, m,  using these 2 points:  (-4,5) and (6,-3)

m = (-3-5) / (6--4) = -8/10 = -4/5

Now use the point (-4, 5) in the the point-slope form to find b:

y - 5 = -4/5(x - -4)

y - 5 = -4/5(x + 4)

y - 5 = -4/5x - 16/5

y = -4/5x -16/5 + 25/5 = -4/5x + 9/5

Now write the equation in slope-intercept form:

y = -4/5x + 1.8

Answer:I believe it is at least that is what I would

Step-by-step explanation:

Answer:

Area= 46,000

Permiter= 4,600

Step-by-step explanation:

The formula to find the area of a rectangle is Length(L) times Width(W).

So 2,000(L) times 23 (W)= 46,000.

The formula for perimeter is 2(l+w).

So you're going to go 2,000 + 23 = 2,300 times 2 which equals 4,600.

Hope that helped, have a great day!!

Answer:

A. the angular speed is 3771.4 rad/min

b. 5921 rpms

Step-by-step explanation: I just got this same question right on a test.

The total cost of all the items he wants to buy with the applied discount and before tax is $9.9.

A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.

Given, Bashir has a loyalty card good for a 10% discount at his local hardware store.

So, Each good he buys at (100 - 10)% = 90% of the value before tax.

He wants to buy some items that cost $11  before the discount and tax.

Therefore the amount he has to pay is,

= (90/100)×11.

= $9.9

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The value of the double integration is 7776 after solving and integration. the answer is 7776.

It is defined as the mathematical calculation by which we can sum up all the smaller parts into a unit.

It is given that:

Double integration (x + y) dA

y = x²

y² = 216x

y = √216 √x

∫∫(√216 √x +  x²)

After solving:

\(\rm \int _0^{36}\int _0^6\:\left(\sqrt{216}\:\sqrt{x}\:+\:\:x²\right)dxdy\)

=7776

Thus, the value of the double integration is 7776 after solving and integration. the answer is 7776.

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Answer:

2 2/3 hours or 2 hours and 4o minutes

Step-by-step explanation:

set up a proportion

\(\frac{time}{distance}\) = \(\frac{time}{distance}\)

\(\frac{\frac{4}{5} }{\frac{3}{10} }\) = \(\frac{h}{1}\)cross multiply and solve for h

\(\frac{3}{10}\) h = \(\frac{4}{5}\)  Multiply both sides by \(\frac{10}{3}\)

\((\frac{10}{3})\)\(\frac{3}{10}\) h = \((\frac{10}{3})\)\(\frac{4}{5}\)  Multiply and then divide the top and bottom by 5

h = \(\frac{8}{3}\) o r2 \(\frac{2}{3}\)

Answer:10 Safety razors

Step-by-step explanation:

27-12=15

15/1.50=10

The proportional relationship is represented by the formula, y = kx, which demonstrates that y increases at the same rate as x does

Relationships between two variables that are proportional occur when their ratios are equal.

Therefore the proportional relationship is represented by the formula,

y = kx .

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We need to find the following probability:

From the given table, we can see that there are 11 female student which got a B and the total number of students is 85:

Since the probability is defined as the number of favorable outcomes divided by the total number of outcomes, we have

Therefore, by rounding to 3 decimal places, the answer is 0.129

Answer:

mean

Step-by-step explanation:

The statements supported by the data in the table are:

The mean number of cars sold in a month is the same at both dealerships.

The total number of cars sold is the same at both dealerships.

The data for Admiral Autos shows greater variability.

To determine which statements are supported by the data in the table, let's analyze the given information:

The mean number of cars sold in a month is the same at both dealerships.

To calculate the mean, we need to find the average number of cars sold each month at each dealership.

For Admiral Autos:

(4 + 19 + 15 + 10 + 17) / 5 = 65 / 5 = 13

For Countywide Cars:

(9 + 17 + 14 + 10 + 15) / 5 = 65 / 5 = 13

Since both dealerships have an average of 13 cars sold per month, the statement is supported.

The median number of cars sold in a month is the same at both dealerships.

To find the median, we arrange the numbers in ascending order and select the middle value.

For Admiral Autos: 4, 10, 15, 17, 19

Median = 15

For Countywide Cars: 9, 10, 14, 15, 17

Median = 14

Since the medians are different (15 for Admiral Autos and 14 for Countywide Cars), the statement is not supported.

The total number of cars sold is the same at both dealerships.

To find the total number of cars sold, we sum up the values for each dealership.

For Admiral Autos: 4 + 19 + 15 + 10 + 17 = 65

For Countywide Cars: 9 + 17 + 14 + 10 + 15 = 65

Since both dealerships sold a total of 65 cars, the statement is supported.

The range of the number of cars sold is the same for both dealerships.

The range is determined by subtracting the lowest value from the highest value.

For Admiral Autos: 19 - 4 = 15

For Countywide Cars: 17 - 9 = 8

Since the ranges are different (15 for Admiral Autos and 8 for Countywide Cars), the statement is not supported.

The data for Admiral Autos shows greater variability.

To determine the variability, we can look at the range or consider the differences between each data point and the mean.

As we saw earlier, the range for Admiral Autos is 15, while for Countywide Cars, it is 8. Additionally, the data points for Admiral Autos are more spread out, with larger differences from the mean compared to Countywide Cars. Therefore, the statement is supported.

Based on the analysis, the statements supported by the data are:

The mean number of cars sold in a month is the same at both dealerships.

The total number of cars sold is the same at both dealerships.

The data for Admiral Autos shows greater variability.

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So the answer is 5x + 7y = -42.

The Surface Area of cylinders are: 100 yd² , 264 m², 226  mm²

The Surface Area of Can is 219 cm².

We know the formula for Surface Area of Cylinder

= 2πrh

1. Radius = 2 yd

Height = 8 yd

So, Surface Area of Cylinder

= 2πrh

= 2 x 3.14 x 2 x 8

= 100 yd²

2. Radius = 7 m

Height = 6 m

So, Surface Area of Cylinder

= 2πrh

= 2 x 3.14 x 6 x 7

= 264 m²

3. Radius = 3 mm

Height = 12 mm

So,  Surface Area of Cylinder

= 2πrh

= 2 x 3.14 x 3 x 12

= 226  mm²

4. Radius = 3.5 cm

Height = 10 cm

So, Surface Area of Can

= 2πrh

= 2 x 3.14 x 3.5 x 10

= 219 cm²

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Therefore, the rate of change, in cm per minute, of the height when the height is 6 cm is approximately -6 cm/min.

Given,The width of the box = 10 cm Length of the box = 17 cmThe volume of the box = 527 cubic cm/minWe need to find the rate of change, in cm per minute, of the height when the height is 6 cm.We know that the volume of the box is given as:V = l × w × h where, l, w and h are length, width, and height of the box respectively.It is given that the width and length are being held constant.

Therefore, we can write the volume of the box as

:V = constant × h Differentiating both sides with respect to time t, we get:dV/dt = constant × dh/dtNow, it is given that the volume of the box is decreasing at a rate of 527 cubic cm per minute.

Therefore, dV/dt = -527.Substituting the given values in the above equation, we get:

527 = constant × dh/dt

We need to find dh/dt when h = 6 cm.To find constant, we can use the given values of length, width and height.Substituting these values in the formula for the volume of the box, we get:

V = l × w × hV = 17 × 10 × hV = 170h

We know that the volume of the box is given as:V = constant × hSubstituting the value of V and h, we get:

527 = constant × 6 cm

constant = 87.83 cm/minSubstituting the values of constant and h in the equation, we get

-527 = 87.83 × dh/dtdh/dt = -6.0029 ≈ -6 cm/min

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Mean Value Theorem

Supposing that f(x) is a continuous function that satisfies the conditions below:

0. f(x) ,is continuous in [a,b]

1. f(x) ,is differentiable in (a,b)

Then there exists a number c, s.t. a < c < b and

However, there is a special case called Rolle's theorem which states that any real-valued differentiable function that attains equal values at two distinct points, meaning f(a) = f(b), then there exists at least one c within a < c < b such that f'(c) = 0.

As in our case there is no R(t) that repeats or is equal to other R(t), then there is no time in which R'(t) = 0 between 0 < t < 8 based on the information given.

Answer: No because of the Mean Value Theorem and Rolle's Theorem (that is not met).

The circumfernce of a circle is the distance around it. The formula for determining the circumference of a circle is expressed as

Circumference = pi x diameter

From the information given,

diameter = 17

pi = 3.14

Circumference = 3.14 x 17

Circumference = 53.38

A point that is exterior to an angle is found on the acute side of the angle which is true.

The angle is the distance between the intersecting lines or surfaces. The angle is also expressed in degrees. The angle is 360 degrees for one complete spin.

We know that the sum of the exterior angle and interior angle is equal to 180 degrees.

"If one of the exterior angles is an acute angle, then the corresponding interior angle is an obtuse angle."

A point that is exterior to an angle is found on the acute side of the angle which is true.

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Answer:

I believe the answer is 12,342 try it out and let me know:)

Step-by-step explanation:

Answer:

I think the answer is 27.4617= 27

Using it's concept, the sample space for the experiment is:

The sample space is the set that contains all possible outcomes for an experiment.

In this problem:

Hence, considering the combinations, the sample space is, considering Shirt-Pants-Shoes:

{Blue-Blue-Black, Blue-Blue-Blue, Blue-Black-Black, Blue-Black-Blue, Red-Blue-Black, Red-Blue-Blue, Red-Black-Black, Red-Black-Blue, Black-Blue-Black, Black-Blue-Blue, Black-Black-Black, Black-Black-Blue}

The complement of P(John wears something red) is all outcomes in which he does not wear anything red, hence it is a Blue or Black shirt, along with any combination for the pants and the shoes.

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Answer:

\(f(x) = cos(x - \frac{\pi }{4} ) -1\)

Step-by-step explanation:

In this graph, we have the coordinate point (\(\frac{\pi }{4} , 0\)). Without translations, cos(0) = 0, which means that the graph is shifted to the right by \(\frac{\pi }{4}\). We also know that the graph is shifted down by 1 because we have the point

(\(\frac{5\pi }{4} , -2\)), but accounting for the right shift, this point should really by (\(\pi , -2\)). cos(\(\pi\)) = -1, but on the graph it is -2, meaning that it is shifted down by 1.

Therefore, accounting for the right shift by \(\frac{\pi }{4}\) and the shift down by 1, our equation is \(f(x) = cos(x - \frac{pi}{4} ) - 1\).

Answer:

No, it is not. The point (3, 5) is on the dashed line, so it is not a solution to the inequality.