All copper has a density of 8.83g/cm3. True Or False.
please help ​

Answer:

Step-by-step explanation:

the total cost, c  will be

     c= p(4.29)+k(2)

Answer: x= -3t/26

if it’s for x = -3t/26

If it’s for t= 26x/3

Step-by-step explanation:

Hope it helps

Answer: The numbers of flowers she could have picked are 21, 24, 27, 30, 33, and 36.

Why?: These are all multiples of 3 between 20-40.

Answer:

7. 30°  8. 97.5°  9. 90°  10. 55°  11. 100°  12. x=32° y=64°

Answer:

- 5/4 or - 1 1/4

Step-by-step explanation:

Step 1:

2x² + 8 - 3 = 0      Equation

Step 2:

4x + 8 - 3 = 0      Exponents

Step 3:

4x + 5 = 0      Combine Like Terms

Step 4:

4x = - 5     Subtract 5 on both sides

Step 5:

x = - 5 ÷ 4    Divide

Answer:

x = - 5/4 or - 1 1/4

Hope This Helps :)

The inverse function is given by: R(U) = (4G^2M^2)/(U^2)

To find the inverse of the function U(R) = 2GM/√R, we need to express R in terms of u.

Starting with the given equation:

U(R) = 2GM/√R

First, let's isolate √R on one side of the equation by dividing both sides by U(R):

√R = 2GM/U(R)

Next, square both sides of the equation to eliminate the square root:

R = (2GM/U(R))^2

Simplifying further:

R = (4G^2M^2)/(U(R))^2

In this inverse function, we express R, the planet's radius, in terms of the escape velocity u, where G is the universal gravitational constant and M is the planetary mass.

Note that this inverse function provides a relationship between the escape velocity and the planet's radius. By knowing the escape velocity, we can use this equation to estimate the radius of the planet.

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Answer:

I thought it was the last one but I mean if it was wrong sorry

Greetings from Brasil....

The rate of change between 2 points is obtained through the expression:

a) (0, 2) and (4, 10) so, X₁ = 0; X₂ = 4; Y₁ = 2 and Y₂ = 10

m = ΔY/ΔX

m = (Y₂ - Y₁)/(X₂ - X₁)

m = (10 - 2)/(4 - 0)

m = 8/4 = 2

b) (0,5) and (2,8) so, X₁ = 0; X₂ = 2; Y₁ = 5 and Y₂ = 8

m = ΔY/ΔX

m = (Y₂ - Y₁)/(X₂ - X₁)

m = (8 - 5)/(2 - 0)

m = 3/2

c) (0,0) and (3,-4) so, X₁ = 0; X₂ = 3; Y₁ = 0 and Y₂ = - 4

m = ΔY/ΔX

m = (Y₂ - Y₁)/(X₂ - X₁)

m = (- 4 - 0)/(3 - 0)

m = -4/3

d) (0,6) and (12,9)​ so, X₁ = 0; X₂ = 12; Y₁ = 6 and Y₂ = 9

m = ΔY/ΔX

m = (Y₂ - Y₁)/(X₂ - X₁)

m = (9 - 6)/(12 - 0)

m = 3/12 ⇔ m = 1/4

Among all the values above, the largest is 2, so points

(0; 2) and (4; 10)

The derivative dz/dt of the function z(x, y) = x^2 - y^2 with respect to t is dz/dt = 226sin(t)cos(t).

To find dz/dt, we need to use the chain rule.

Given:

z(x, y) = x^2 - y^2

r(t) = 8sin(t)

y(t) = 7cos(t)

First, we need to find x in terms of t. Since x is not directly given, we can express x in terms of r(t):

x = r(t) = 8sin(t)

Next, we substitute the expressions for x and y into z(x, y):

z(x, y) = (8sin(t))^2 - (7cos(t))^2

= 64sin^2(t) - 49cos^2(t)

Now, we can differentiate z(t) with respect to t:

dz/dt = d/dt (64sin^2(t) - 49cos^2(t))

= 128sin(t)cos(t) + 98sin(t)cos(t)

= 226sin(t)cos(t)

Therefore, dz/dt = 226sin(t)cos(t).

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Answer:

Step-by-step explanation:

The letters are easy enough.

y^3 determines that 3 ys are needed. y^2 is taken in by the cubed.

x^4 determines that 4 xs are needed. x^3 is part of x^4 and you don't need any more xs

12 and 42 are the parts that will cause the problem. Factor them both into prime factors

12: 2 * 2 * 3

42: 2 * 3 * 7

You need two 2s.

You need one 3

You need one 7

LCD = 2 *2*3 * 7 = 84

The inverse of f(x) is f⁻¹(x) = (x - 3) / -3.

The correct answer is D.

The inverse of function f(x) = -3x + 3 is a function which undoes the original function.

This is known as the inverse function.

The inverse function reverses the role of the independent variable and the dependent variable in the original function. The inverse function of f(x) is written as f⁻¹(x).

To find the inverse of f(x), replace f(x) with y and solve for x.

Then switch the variables, replacing x with y and y with x.

Finally, replace f⁻¹(y) with y.

Therefore,

f(x) = -3x + 3

y = -3x + 3

To solve for x,

y - 3 = -3x

x = (y - 3) / -3

Replace x with y and y with x:

x = (y - 3) / -3

becomes

y = (x - 3) / -3

f⁻¹(x) = (x - 3) / -3

Thus, the inverse of f(x) is f⁻¹(x) = (x - 3) / -3.

Here, the graph representing the inverse of function f is given below.  

Therefore, the graph representing the inverse of function f is given by the fourth option (d).

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Answer:

Geometric.

Step-by-step explanation:

It is Geometric because there is a common ratio between the terms.

50p/100p = 1/2

25p/50p = 1/2

The common ratio is 1/2.

Each term is obtained by multiplying by 1/2, so the next term in this progression is 25p * 1/2 = 12.5p.

The limit of the given function as x approaches infinity is infinity.

To find the limit of the given function as x approaches infinity, we need to analyze the behavior of the function for very large values of x.

First, we can observe that the term 49x^2 dominates the other terms in the function as x gets very large. This is because the square of any number grows much faster than a linear function (x) or a constant function (-7x).

Therefore, we can simplify the given function as follows:

lim x→[infinity] (49x^2 + x − 7x) = lim x→[infinity] 49x^2

Now we can directly evaluate the limit by applying the rule that states if a function is of the form ax^n where a and n are constants and x approachesinfinity, then the limit is infinity if n > 0 and negative infinity if n < 0.

In this case, a = 49 and n = 2, which is greater than 0. Therefore, the limit as x approaches infinity is infinity.

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Answer:

$9,152

Step-by-step explanation:

Answer: (3,5)

Step-by-step explanation:

Answer:

The third option

Step-by-step explanation:

- 1 1/6

Answer:

D. the last one with dots on -3 and 3

Step-by-step explanation:

-2|x| = -6

divide each side by -2

|x| = 3

x = -3 or 3

Choice 1: f(x) = a * (x - 6) * (x + 4) could be the quadratic function.

To determine the quadratic function based on its zeros, we can use the fact that if a quadratic equation has zeros at x = a and x = b, then the quadratic function can be written in factored form as:

f(x) = a * (x - p) * (x - q)

where p and q are the zeros of the quadratic function.

In this case, the zeros are 6 and -4. So, the quadratic function can be written as:

f(x) = a * (x - 6) * (x - (-4))

f(x) = a * (x - 6) * (x + 4)

Now, we have various choices for the quadratic function. Let's check each choice by substituting the given zeros:

Choice 1: f(x) = a * (x - 6) * (x + 4)

If we substitute x = 6, we get:

f(6) = a * (6 - 6) * (6 + 4)

f(6) = a * 0 * 10

f(6) = 0

If we substitute x = -4, we get:

f(-4) = a * (-4 - 6) * (-4 + 4)

f(-4) = a * (-10) * 0

f(-4) = 0

Choice 1 does satisfy the given zeros

Note: We need the coefficient 'a' to determine the specific form of the quadratic function. Without additional information or restrictions, we cannot determine the value of 'a' or provide the exact quadratic function.

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The length of edge FC in the triangular prism is: 12 cm.

Volume of a right triangular prism = 1/2(Length of triangular base × height of triangular base × height of the prism).

Considering the image given showing a right triangular prism, we have the following:

Volume of triangular prism = 900 cubic centimeters

Length of triangular base = FC = ?

Height of triangular base = 10 centimeters

Height of the prism = 15 centimeters

Plugin the values

900 = 1/2(FC × 10 × 15)

900 = 1/2(FC × 150)

Multiply both sides by 2

2(900) = 2(1/2(FC × 150))

1,800 = FC × 150

Divide both sides by 150

1,800/150 = FC × 150/150

12 = FC

FC = 12 cm

The length of edge FC is: 12 cm.

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Answer: 12

Step-by-step explanation:

Answer:

4 times x + 15 = 6 times x -3

Slugging average is more indicative of a good batter rather than batting average.

The total number of bases a player accumulates per at-bat is represented by slugging percentage. In contrast to on-base percentage, which takes walks and hit-by-pitch pitches into account, slugging percentage simply considers hits. Slugging average is distinct from batting average in that not every hit is worth the same amount.

Given

Since Barrow is looking for a good batter for his team

In my point of view, Slugging average is more indicative of a good batter.

The slugging percentage is a player's average number of bases per at-bat. Slugging percentage, unlike on-base percentage, solely accounts for hits and excludes walks and hit-by-pitch pitches from its computation. In contrast to batting average, slugging percentage does not reward every hit equally.

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Answer:

The second vendor because when you purchase 6 liters, it costs less to get it from the second vednor.

Step-by-step explanation:

Compare the price at 6 liters.

3.80(3)= $11.40

$2.70(4)= $10.80

The probability of purchasing 6 boxes is 0.1574 and the probability of purchasing at most 6 boxes is 0.7960. You expect to purchase 4 boxes without the desired prize and 6 boxes in total.

The probability of obtaining the desired prize is 0.2. You expect to purchase 4 boxes without the prize and 6 boxes in total. The probability of purchasing 6 boxes is given by the binomial probability b(x; 4, 0.2), which is 0.1574. The probability of purchasing at most 6 boxes is given by the cumulative binomial probability nb(x; 4, 0.2), which is 0.7960. The binomial probability b(x; 4, 0.2) is calculated by taking the probability of the desired event, 0.2, and multiplying it by itself four times and then multiplying that result by the number of combinations of four successes in six trials, which is 15. Similarly, the cumulative binomial probability nb(x; 4, 0.2) is calculated by adding up the probabilities of all the combinations of at most four successes in six trials. In this case, that is 0.7960.

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Answer:

7.92 m.

Step-by-step explanation:

Mean height = ∑(f . x) / ∑f  where  x is the midpoint and f the frequencies

The midpoints for the heights are:

2 for frequency 8              ( 0 + 4)/ 2 = 2

6 for      ..           21

10 for    ..            12

14 for    ..              7

18 for   ..               2

So the mean is:

[(2*8) + (6*21) + (10*12) + (14*7) + (18*2) ] / (8 + 21+12+7+2)

= 396 / 50

= 7.92 m.

Answer:

Step-by-step explanation:

P = x

Answer: 32 dollars

Step-by-step explanation:

Total was $170. We need to subtract the shipping and handling cost.

$170 - $10 = $160

Take $160 and divide it by 5 because that how many shoes we have. This will distribute the correct amount of money to each pair of shoe.

$160/5 = $32

$32 is the price of one pair of shoes.

Answer:

n = -3

Step-by-step explanation:

Solve for n

First, you must re-arrange the equation

-2n - 3n = 17 - 2

-5n = 15

Then simplify for your answer

n = -3

\( \tt \: 2 - 2n = 3n + 17\)

\( \: \)

\(\tt \: - 2n - 3n = 17 - 2\)

\( \: \)

\( \tt \: \tt -5n = 15\)

\( \: \)

\( \tt \: n = \cancel \frac{15}{ - 5} \)

\( \: \)

\( \underline{ \boxed{{ \tt \red{n = - 3}}}}\)

\( \: \)

hope it helps!:)

The probability that the person is actually innocent given that they have failed the test is 0.4615... or approximately 0.462.

The question asks us to calculate the probability that the person is actually innocent given that they have failed the test. The probability that the person is actually innocent is given by the formula: P(innocent | fails test) = P(innocent and fails test) / P(fails test).

Now we need to calculate the values of the probabilities on the right-hand side of this equation. P(fails test) is equal to the sum of the probabilities that a guilty person fails the test and that an innocent person fails the test. Hence, P(fails test) = P(guilty and fails test) + P(innocent and fails test). P(guilty and fails test) = 0.2 × 0.7 = 0.14P(innocent and fails test) = 0.8 × 0.15 = 0.12. Therefore, P(fails test) = 0.14 + 0.12 = 0.26.

Finally, we can calculate the probability that the person is actually innocent given that they have failed the test: P(innocent | fails test) = P(innocent and fails test) / P(fails test)= 0.12 / 0.26= 0.4615 (rounded to four decimal places).

Therefore, the probability that the person is actually innocent given that they have failed the test is 0.4615... or approximately 0.462.

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A rectangle's length is 5 inches greater than its width. if the perimeter of the rectangle is 42 inches, then the length is 13 inch.

A rectangle is a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that all of its angles are equal; or a parallelogram containing a right angle. A rectangle with four sides of equal length is a square.

here, we have,

a rectangle's length is 5 inches greater than its width.

if the perimeter of the rectangle is 42 inches

let, width = x

then, length = x+5

so, perimeter= 2(x+5 +x)

                      = 4x+10

ATQ, 4x+10 = 42

solving we get,

x=8

the length = 13

Hence, A rectangle's length is 5 inches greater than its width. if the perimeter of the rectangle is 42 inches, then the length is 13 inch.

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