Write a one-step equation for 85 divided by 1/4. WILL GIVE BRAINLYEST!

Answer:

Karen expects the vehicle to depreciate by 600 each year.

Step-by-step explanation:

Given:

- initial value: 4400

- salvage value: 800

- another six years

It is expected to depreciate from 4400 to 800 in 6 years.

The depreciation per year is the ratio

depreciation per year = (total depreciation) / (number of years)

Total depreciation is the change in value, so the depreciation per year is

 (4400 - 800)/6 = 600

Answer:

48 cents each pound

Step-by-step explanation:

Divide $12 by 25 pounds.

12÷25=0.48

Answer:

RE POST your Question

Step-by-step explanation:

This doesn't make sense at all

The rate of the car is 55 miles per hour.

Let's break down the information given:

- The first car left the house at 10 am and traveled north.

- The second car left the house two hours later, which means it departed at 12 pm, and traveled south.

- Both cars traveled at the same rate.

- At 4 pm, the cars were 550 miles apart.

To solve for the rate of each car, we need to determine the total time each car traveled.

For the first car:

It traveled from 10 am to 4 pm, which is a total of 6 hours.

For the second car:

It traveled from 12 pm to 4 pm, which is a total of 4 hours.

Now, let's calculate the rate of each car using the formula: Rate = Distance / Time.

Let's assume the rate for both cars is represented by "r".

For the first car:

Distance = r * 6 hours.

For the second car:

Distance = r * 4 hours.

The sum of the distances traveled by both cars is equal to the total distance between them:

(r * 6) + (r * 4) = 550 miles.

Simplifying the equation:

10r = 550.

Dividing both sides by 10:

r = 55.

Therefore, the rate of each car is 55 miles per hour.

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By calculation, your grade in the class now is 78.7

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

Score of 47.2 in 60

Represent the score in 100% with x

So, we have the following equation

47.2/60 = x/100

Multiply both sides of the equation by 100

So, we have

100 * 47.2/60 = x/100 * 100

This gives

100 * 47.2/60 = x

So, we have

x = 100 * 47.2/60

Evaluate

x = 78.7

Hence, your grade in the class now is 78.7

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Answer:

4 digit

The answer is 2255

Step-by-step explanation:

√5085025 = 2255

Thus, The answer is 2255

-TheUnknownScientist 72

The denominator of the z, t, and F calculations all contain a measure of sample variability. This is because these calculations are used to determine the significance of a difference between sample means or proportions, and the measure of sample variability in the denominator is used to standardize the difference between the sample statistics.

The measure of sample variability is usually expressed as a squared number, which is the variance or standard deviation of the sample.

Additionally, the denominator represents what would be expected if the null hypothesis were true, as it reflects the amount of variability that would be observed in the sample if the null hypothesis were true and there was no real difference between the groups being compared.

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F is a gradient vector field F = ∇V, where V(x, y, z) = 4xz + 4yz + 4z^2.

To determine if the vector field F(x, y, z) = (-y, -x, 8z) is a gradient vector field, we need to find a function V(x, y, z) such that F = ∇V. In other words, we need to find V whose gradient is equal to F.

Let's start by assuming V(x, y, z) = ax^2 + bxy + cy^2 + dz^2, where a, b, c, and d are constants that we need to determine. Taking the gradient of V, we get ∇V = (2ax + by, bx + 2cy, 2dz).

Comparing the components of F and ∇V, we have:

-2ax - by = -y      =>     2ax + by = y       (1)

-bx - 2cy = -x      =>     bx + 2cy = x       (2)

2dz = 8z                 =>     2d = 8            (3)

From equation (3), we find that d = 4. Substituting d = 4 into equations (1) and (2), we have:

2ax + by = y       (1)

bx + 2cy = x       (2)

2(4) = 8

Solving these equations simultaneously, we find a = 2, b = -1, and c = 2. Therefore, the function V(x, y, z) that satisfies F = ∇V is V(x, y, z) = 4xz + 4yz + 4z^2.

In summary, the vector field F(x, y, z) = (-y, -x, 8z) can be represented as a gradient vector field F = ∇V, where V(x, y, z) = 4xz + 4yz + 4z^2. This means that there exists a scalar potential function V from which the vector field F can be derived by taking its gradient.

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The answer is 50 grams of salt in the tank at all times.

To find the number of grams of salt in the tank at time t, we need to use the formula:

a(t) = a(0) + (r - p) * t

where a(0) is the initial amount of salt in the tank, r is the rate at which brine is being pumped into the tank, p is the rate at which the solution is being pumped out of the tank, and t is the time elapsed.

In this case, a(0) = 50 grams, r = 3 grams per minute (since the brine contains 1 gram of salt per liter and 3 liters are being pumped in per minute, so 3 grams of salt are being added per minute), and p = 3 grams per minute (since the solution is being pumped out at the same rate as it is being pumped in). Therefore, we can simplify the formula to:

a(t) = 50 + 0 * t
a(t) = 50 grams

This means that the amount of salt in the tank remains constant over time, since the rate at which it is being pumped in and out is equal. Therefore, the answer is 50 grams of salt in the tank at all times.

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Step-by-step explanation:

x -y = 92     x = 92+y

xy = minumum

(92+y)  * y  = minumum

y^2 + 92y  = minumum      this quadratic has a minimum at

                                               y = -b/2a =  - 92/(2*1) = - 46

x -  -46 = 92   shows x = +46         minimum is then - 2116  

Answer:your mom

Step-by-step explanation:

\(\huge \bf༆ Answer ༄\)

Any value multiplied by Zero gives Zero, therefore ~

The probability of not getting any aces when dealt a hand of three cards from a deck is approximately 0.782 or 78.2%.

In a standard deck of 52 cards, there are four aces. When dealt a hand of three cards, we want to find the probability of not getting any aces.

The total number of possible outcomes is given by the number of ways to choose three cards out of 52, which can be calculated using combinations. Therefore, the total number of possible outcomes is C(52, 3) = 22,100.

To determine the number of favorable outcomes, we need to count the number of hands without any aces. Since there are four aces in the deck, there are 48 non-ace cards. Therefore, the number of favorable outcomes is C(48, 3) = 17,296.

Finally, the probability of not getting any aces can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes:

Probability = Number of favorable outcomes / Total number of possible outcomes = 17,296 / 22,100 ≈ 0.782 or 78.2%.

Hence, the probability of not getting any aces when dealt a hand of three cards from a deck is approximately 0.782 or 78.2%.

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Answer:

m/n=9/4

Step-by-step explanation:

4m = 9n

m/n=9/4

Two point charges, q1 = 3.99 nC located at x = 0.205 m and q2 = 5.01 nC at x = -0.302 m, are placed on the x-axis. The electric field and direction at a given point can be calculated using the principle of superposition.

The electric field at a point due to a point charge is given by Coulomb's law, E = kq/r^2, where E is the electric field, k is Coulomb's constant (8.99 x 10^9 Nm^2/C^2), q is the charge, and r is the distance between the point charge and the point where the electric field is being measured. To calculate the net electric field at a point due to multiple charges, we use the principle of superposition, which states that the total electric field at a point is the vector sum of the electric fields due to each individual charge.

In this case, we have two charges, q1 = 3.99 nC and q2 = 5.01 nC. The electric field at a point P on the x-axis, due to q1, can be calculated as E1 = kq1/r1^2, where r1 is the distance between q1 and point P. Similarly, the electric field at point P due to q2 can be calculated as E2 = kq2/r2^2, where r2 is the distance between q2 and point P. To find the net electric field at point P, we add the electric fields vectorially, E_net = E1 + E2.

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Answer:

a)=80cm^2  b)=42cm^2

Step-by-step explanation:

10x8=80

7x6=42

add cm^2 at the end

Answer:

f(3) = 8

Step-by-step explanation:

f(x) = 5x - 7

Put x as 3 and evaluate.

f(3) = 5(3) - 7

f(3) = 15 - 7

f(3) = 8

Answer: 8

Step-by-step explanation:

The range of numbers in the data series that controls the minimum, maximum, and incremental values on the value axis is referred to as the "axis scale" or "axis range."

It determines the span of values displayed on the value axis of a graph or chart. The axis scale is typically set based on the minimum and maximum values present in the data series, and the incremental values (tick marks) are placed at regular intervals within that range.

It represents the span of values that will be displayed on the value axis of a graph or chart. The data range determines the scale and divisions of the axis, allowing the viewer to interpret the data accurately and understand the relative magnitude of the values being presented.

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Answer:

To solve this problem, we need to calculate the change in temperature between noon and 3:30 p.m. and then divide that by the number of hours between noon and 3:30 p.m.

Let's say the temperature at noon was 70 degrees F and the temperature at 3:30 p.m. was 75 degrees F.

The change in temperature between noon and 3:30 p.m. is 75 - 70 = 5 degrees F.

The number of hours between noon and 3:30 p.m. is 3.5 hours.

Therefore, the rate of change in temperature between noon and 3:30 p.m. is 5 degrees F / 3.5 hours = 1.43 degrees F per hour.

The residual for the observed value (2, 810) is -4.

We are given the least squares regression line as ŷ = 800 + 7x and an observed value of (2, 810). We need to find the residual for this observed value.

The residual is the difference between the observed value of the dependent variable and the predicted value of the dependent variable based on the regression line. Mathematically, the residual can be calculated as:

residual = observed value - predicted value

For the observed value (2, 810), the predicted value can be found by plugging in x = 2 in the regression equation:

ŷ = 800 + 7x = 800 + 7(2) = 814

So, the predicted value for the observed value (2, 810) is 814. Now, we can calculate the residual:

residual = observed value - predicted value = 810 - 814 = -4

Therefore, the residual for the observed value (2, 810) is -4.

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Answer:

(-7, 4)

Step-by-step explanation:

I checked on photomath

Answer:

1 up and 5 to the right (if d is the translated figure)

Answer:

A translation of +9 units on the x axis (to the right) and +3 on the y axis (up), assuming D is the figure that was translated.

Step-by-step explanation:

Answer:

I have no idea!!!!!!!!!!!!!

Answer:

x = -4 and y = 12

Step-by-step explanation:

Since you have y = -x + 8 you can substitute this into the first equation where y was so you have 3x + 4(-x + 8) = 36.

That way, there is only one variable and it is easier to solve.

3x + 4(-x + 8) = 36

3x -4x + 32 = 36

-x +32 = 36

-x = 4

x = -4

Plugging this into the equation y = -x +8,

y = -(-4) + 8

y = 4 + 8

y = 12

Answer:

The fourth choice, Pink, is the correct answer.

Step-by-step explanation:

The first two options intersect, therefore the intersection is the solution. The third set of lines may seem like one line, however since we are dealing with two linear equations, it can be presumed that those are two lines on top of one another, therefore it has infinite solutions. The last option remaining is Pink, in which the lines are parallel and therefore will never intersect, making them have no solution.

Answer:

19.04

Step-by-step explanation:

find the length of AB,BC,CD , and AD

distance=√(x2-x1)^2+(y2-y1)^2

A(-3,5), B(2,6),C(0,2),D(-5,1)

line AB :d=√(2−(−3))^2+(6−6)^2

AB=5

BC=d=√(0−2)^2+(2−6)^2=√20=2√5

CD:√26

DA:√20

perimeter=AB+BC+CD+DA=5+√20+√20+√26=19.04

Answer:

10

Step-by-step explanation:

To  find,

HCF of 50 & 70 using Euclid's Division Algorithm.

Solution,

HCF(50 & 70) --  70 = 50 × 1 + 20.

                           50 = 20 × 2 + 10

                           20 = 10 × 2 + 0.

Therefore their HCF is 10.

Answer:

10

Step-by-step explanation:

According to Euclid's Algorithm, c = dq + r ,  0 ≤ r < d  (where r is the remainder)

As 70 > 50, c = 70 and d = 50

Substituting values of c and d:

   70 = (50 x 1) + 20

⇒ 50 = (20 x 2) + 10

⇒ 20 = (10 x 2) + 0

Therefore, the HCF is 10

the possible dimensions of the rectangular prism are:

1 unit by 12 units by 10 units

2 units by 6 units by 10 units

3 units by 4 units by 10 units

Let the length and width of the rectangular prism be represented by l and w, respectively. Since the height of the prism is 10 unit cubes, we know that the volume of the prism is:

V = l × w × 10

We are also given that the prism requires 120 unit cubes to fill completely, which means:

V = l × w × 10 = 120

Dividing both sides by 10, we get:

l × w = 12

Now we need to find pairs of positive integers l and w that multiply to 12. These are:

1 × 12

2 × 6

3 × 4

Therefore, the possible dimensions of the rectangular prism are:

1 unit by 12 units by 10 units

2 units by 6 units by 10 units

3 units by 4 units by 10 units

Note that these dimensions are not unique, as we can also obtain different dimensions by exchanging the length and width, or by rotating the prism.

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