Please help! Giving out brainiest.

Answer:

The answer is C

Step-by-step explanation:

Answer:

John is growing at a faster rate.

Step-by-step explanation:

John grew 6 inches in 2 years, while Dave grew 7 inches in 4 years. We can expect John to grow another 3 inches by 2011, making John 49 inches tall in 2011. We can expect Dave to grow about another 7 inches by 2011, since another 4 years has passed. This seems reasonable enough...

Answer:

\(73.5cm^{2}\)

Step-by-step explanation:

Answer:

Step-by-step explanation:

Cost = Area Cylinder body* cost * 0.03 cm^3 + Area of 2 lids*cost 0.06 of cm^3

Volume = 300 cm^3

Volume = Base *h  

Volume = pi * r^2 * h = 300

h = 300/(pi * r^2 )

Area material =  2*pi * r * h * 0.03 + 2 pi r^2 * 0.06

Area material = 0.06*pi * r * 300/(pi* r^2) + 0.12 * pi * r^2

dmaterial/dr = (-1)18 r^-2 + 0.12 pi * 2*r

dmaterial/dr = -18 r^-2 + 0.24 pi * r

The minimum occurs when the right side = 0

18/r^2 = 0.24 *pi r

18 = 0.24*pi * r^3

18/(0.24 * pi) = r^3

23.89 = r^3

cube root (23.89) = cuberoot(r^3)

r = 2.88 cm

h = 300/pi * r^2

h = 300/(3.14 * 2.88^2)

h = 11.52

This isn't much of a check but we can try it.

Volume = 3.14 * 2.88^2 * 11.52

Volume = 302.01 which considering all the rounding is pretty close.

Here's a graph that confirms my answer.

there is no equations

Hey There!

Step-by-step explanation:

Which of the matrices are equal?

Two matrices are said to be equal if: Both the matrices are of the same order i.e., they have the same number of rows and columns A m × n = B m × n .

Answer:

its b

Step-by-step explanation:

because im feeling generous enjoy

Answer:

domain of the sine and cosine functions is all real numbers

Step-by-step explanation:

range of both the sine and cosine functions is [−1,1]

graph can go left and right to infinity

graph goes up and down between 1 and -1

graph looks like a wave or

like U letters next to each other

UUUU

sine and cosine of an angle have the same absolute value as the sine and cosine of its reference angle.

mathlibretextsorg

Answer:

Quinn's Taxi Service

Step-by-step explanation:

a) Yesterday, 37% of the drivers for Quinn's Taxi Service worked.

Hence, the percentage for Quinn's Taxi Service drivers that are working is 37%

b) At Bella's Taxi Express, 3 out of 10 drivers worked.

The percentage for Bella's Taxi drivers that are working is calculated as:

3/10 × 100

= 30%

Therefore, the taxi service that had a greater percentage of its drivers working is Quinn's Taxi Service with a high percentage of 37%

Answer:

m=3

Step-by-step explanation:

–8m = 3 − 9m

-8+9m = 3

m = 3

Answer:

8x+14

Step-by-step explanation:

The distance from the post office to the zoo is 5.8 miles.

Distance is a numerical measurement of how far apart objects or points are.

Let us suppose the points,

A be the post office,

B be the library, and

C be the zoo

Now it is given in the question,

Distance between library and post office, BA = 3 miles West

Distance between post office and zoo, BC = 5 miles North

Consider right angle triangle ABC with vertex at B,

AC² = BC² + AB²

AC² = 5 ² + 3²

AC² = 25 + 9

AC² = 34

AC = \(\sqrt{34}\)

AC ≈ 5.83 miles

Hence, The distance from the post office to the zoo is 5.8 miles.

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\(\huge\text{Hey there!}\)

\(\huge\textbf{What is the formula for finding slope?}\)

\(\mathbf{\dfrac{y_2 - y_1}{x_2 - x_1} = slope}\)

\(\huge\textbf{Often people understand it better by:}\)

\(\mathbf{\dfrac{rise}{run} = slope}\)

\(\huge\textbf{Answering the given question:}\)

\(\mathbf{y_2 \rightarrow 4}\\\\\mathbf{y_1 \rightarrow 7}\\\\\mathbf{x_2\rightarrow 0}\\\\\mathbf{x_1 \rightarrow -1}\)

\(\huge\textbf{Now, that we have that information out}\\\huge\textbf{the way, we can answer the question.}\)

\(\huge\textbf{Solving for the answer:}\)

\(\mathbf{\dfrac{4 - 7}{0 - (-1)} = slope}\)

\(\mathbf{\rightarrow \dfrac{4 - 7}{0 + 1} = slope}\)

\(\mathbf{\rightarrow \dfrac{-3}{1} = slope}\)

\(\mathbf{-3\div 1 = slope}\)

\(\mathbf{\rightarrow -3 = slope}\)

\(\huge\textbf{Therefore, your answer should be:}\)

\(\huge\boxed{\textsf{S}\frak{lope \rightarrow -3}}\huge\checkmark\)

\(\huge\text{Good luck on your assignment \& enjoy your day!}\)

~\(\frak{Amphitrite1040:)}\)

Answer:

assalam o aalaikum

Step-by-step explanation:

I finished my homework this morning. __________________,

We have to find the parameter a so that (-1,2) is part of the function f(x) = ax²+4.

To check if a point is part of a function, we can replace the values of x and y = f(x) with the coordinates of the point and then, if the equation stays true, then the point is part of the function.

So for (x,y) = (-1,2) to be part of the function y = f(x), this equation has to stands true:

Then, the function would have to be f(x) = -2x² + 4.

We can check with a graph as:

Answer: a = -2

Answer:

Hi! In order to determine how much money Aiden will have in his account after 8 months, let's figure out how much he deposits each month.

He started with $250. After one month, he had $586; after two months, he had $922; after three months, he had $1,258. Each month, there is a gain of $336.

Therefore, after four months, Aiden will have $1,594. After five months, he will have $1,930. After six months, he will have $2,266. After seven months, he will have $2,602. Finally, after eight months, he will have $2,938.

Hope this helps!

Angles p and q are complementary, which means that their sum is equal to 90 degrees. Let's assume the size of angle q is x degrees. Since p is four times the size of q, we can write the equation p = 4q.

To find the size of q, we need to substitute the value of p in terms of q into the equation for the sum of the angles: p + q = 90.

Substituting 4q for p, we get:

4q + q = 90

Combining like terms:

5q = 90

To solve for q, we divide both sides of the equation by 5:

q = 90/5

Simplifying:

q = 18

Therefore, the size of angle q is 18 degrees.

when angles p and q are complementary and p is four times the size of q, the size of angle q is 18 degrees.

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The values of the given expression having exponent with negative fractional base i.e. \(-2^{(3/2)^2}\\\) is evaluated out to be 16/9.

First, we need to simplify the expression inside the parentheses using the rule that says "exponents with negative fractional base can be rewritten as a fraction with positive numerator."

\(-2^{(3/2)^2}\) = (-2)² × (2/3)²

Now, we can simplify the expression  further by solving the exponent of (-2)² and (2/3)²:

(-2)² × (2/3)² = 4 × 4/9 = 16/9

Therefore, the value of the given expression \(-2^{(3/2)^2}\\\)  is 16/9.

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The question is :

What is the value of the expression \(-2^{(3/2)^2}\) ?

Answer:

the rectangle area:

4m × 2m = 8m²

the triangle area:

3m × 4m = 12m²

the area of the whole figure:

8m²+12m²=20m²

Answer:

C 65/9

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

The vertex of the parabola is (2, 16). This means that the average of couches sold in Germany was the greatest in the year 2013, which is 2 years after 2011.

The equation y = -0.25(x - 2)² + 16 models the average of couches sold in Germany, where x is the number of years since 2011 and y is the number of couches sold. We can find the year when the average of couches sold in Germany was the greatest by finding the maximum value of the equation.

To find the maximum value, we can first rewrite the equation in vertex form: y = a(x - h)² + k, where (h, k) is the vertex of the parabola.

y = -0.25(x - 2)² + 16

y = -0.25(x² - 4x + 4) + 16

y = -0.25x² + x + 15

To find the vertex of the parabola, we can use the formula h = -b/2a and k = f(h), where f(h) is the value of y at the vertex.

h = -b/2a = -1/(2*(-0.25)) = 2

k = f(h) = -0.25(2)² + 2 + 15 = 16

Therefore, the vertex of the parabola is (2, 16). This means that the average of couches sold in Germany was the greatest in the year 2013, which is 2 years after 2011.

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Answer:

33%

Step-by-step explanation:

moving the decimal two places to the right

Answer:  2.5 Hours. I hope I'm not sure but I think you just divide Miles Driven by MPH

Answer:

13

Step-by-step explanation:

Use the distance formula to determine the distance between two points.

d=√((x_2-x_1)²+(y_2-y_1)²)

√((10)-(-2))^2+(-1)-(4)^2)

√(144+25)

√(169)

13

Answer:

13

Step-by-step explanation:

1) Find the slope:

     \(Slope = \frac{y_{2}-y_{1} }{x_{2}-x_{1}}\)

     \(Slope = \frac{-4--2}{3-2} =\frac{-2}{1} =-2\)

2) Use the point-slope form to form the basic equation:

    Point-slope form --> \((y-y_{0})=m(x-x_{0})\)

    \((y + 2) = -2(x-2)\\y + 2 = -2x + 4\\y = -2x + 2\)

Hope that helps!

The vector in component form will be;

⇒ PN = ( - 7, 4)

What is linear expression?

A linear expression is an algebraic statement where each term is either a constant or a variable raised to the first power.

Given that;

The coordinates are;

P = (3, -3)

N = (- 4, 1)

Now,

The vector form of the components is written as;

PN = (- 4 - 3, 1 - (-3))

     = (- 7, 1 + 3)

     = ( - 7, 4)

Thus, The vector in component form will be;

⇒ PN = ( - 7, 4)

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The statement "If the conclusion of an argument is a tautology, then the counterexample set of that argument must be inconsistent" is true.

Let's understand why?

Explanation:

An argument with a tautology conclusion is an argument that arrives at a conclusion that is always true, regardless of the truth values of the premises. In other words, it is impossible for the premises to be true while the conclusion is false.

This means that any attempt to find a counterexample that disproves the conclusion will always fail, as there is no possible scenario in which the conclusion is false.

The counterexample set of an argument is the set of all possible scenarios in which the premises are true but the conclusion is false. If the conclusion is a tautology, then there is no possible scenario in which the conclusion is false, and thus the counterexample set is empty. An empty counterexample set is equivalent to an inconsistent counterexample set, as it means that there is no consistent scenario in which the conclusion is false.

Therefore, if the conclusion of an argument is a tautology, then the counterexample set of that argument must be inconsistent.

Hence, the statement is true.

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Answer:

17.05 dollars left

Step-by-step explanation:

11 x 14.05 = 154.55

8 x 3.55 = 28.4

154.55 + 28.4 = 182.95

200 - 182.95 = 17.05

hope this helps you ;)

pls give me brainlest :)

Answer: the answer is b 17.05

Step-by-step explanation: