Write the standard number for 800,000 + 4,000 + 600 + 40 + 2.
____________________________________________________________
I know nothing about this problem.

Answer:

i have no idea what the answer is

Step-by-step explanation:

Friction loss due to sudden expansion and contraction of cross-section is calculated to determine the efficiency of piping systems.

When calculating the friction loss from sudden expansion and contraction of cross-section, it is important to consider the scope and limitations of the calculation process.

Scope: The scope of calculating the friction loss from sudden expansion and contraction of cross-section is to determine the amount of energy that is lost due to the change in cross-sectional area. This calculation is essential in determining the efficiency of piping systems and helps in identifying any potential problems that may arise due to the changes in cross-sectional area.

Limitations: There are certain limitations when calculating the friction loss from sudden expansion and contraction of cross-section. These include:1. Inaccuracies in Calculation: Calculating the friction loss from sudden expansion and contraction of cross-section requires a certain degree of accuracy. Any inaccuracy in the calculation process may lead to errors in the final results.2. Neglecting Other Factors: The calculation process only takes into account the frictional losses due to the change in cross-sectional area. Other factors that may contribute to the overall frictional losses, such as roughness of the piping material and fluid properties, are often neglected.

3. Limitations of the Equations: The equations used in calculating the friction loss from sudden expansion and contraction of cross-section have certain limitations. These equations are based on certain assumptions and may not be applicable in all situations.

In summary, the calculation of friction loss due to sudden expansion and contraction of cross-section is an important aspect of determining the efficiency of piping systems.

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Answer:

9/13

Step-by-step explanation:

rise = y₂ - y₁ = -1 - (-10) = -1 + 10 =   9

run = x₂ - x₁ =   9 - (-4)   =   9 +   4 = 13

Step-by-step explanation:

Answer:

The first one is commutative property

The second one is associative property

The third one is distributive property

The fourth one is also commutative property

The fifth one is also associative property

Step-by-step explanation:

Answer:

Matched pairs design

Step-by-step explanation:

Looking at the options;

-It's not a completely randomized design because a randomized design will assign all individuals to a group which in this case it doesn't.

- It's not a randomized block design because randomized block design will group the subjects in question into 2 or more blocks which have a common characteristic and will then randomly assign subjects in each of the blocks.

-It's a matched pair because every individual/subject undergoes measurements both before and after being treated with the drugs.

Thus, the correct option is matched pairs design.

Answer:

D

Step-by-step explanation:

y=-2x+3

y-3=-2x, x=(3-y)/2. f^(-1) (x) = (3-x)/2. The equation is (3/2)-x/2.

Answer:

c

Step-by-step explanation:

The correct statement is:

C) f(x) < g(x) for whole numbers less than 10.

The given functions are:

f(x) = 350x + 400

g(x) = 200(1.35)

To compare the two functions, we can analyze their behavior and values for different values of x.

f(x) = 350x + 400:

The coefficient of x is positive (350), indicating that the function has a positive slope.

The constant term (400) determines the y-intercept, which is at (0, 400).

As x increases, f(x) will also increase.

g(x) = 200(1.35):

The function g(x) is a constant function as there is no variable x.

The constant term (200 * 1.35 = 270) represents the value of g(x) for any input x.

g(x) is a horizontal line at y = 270.

Based on this analysis, we can determine the following:

f(x) is a linear function with a positive slope, while g(x) is a constant function.

The value of g(x) (270) is always greater than the y-values of f(x) for any x.

Therefore, the correct statement is:

A) f(x) is always less than g(x).

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Answer:

300

Step-by-step explanation:

x(100%-7%)=279

        0.93x=279

                x=300

As per given data, the scale of the drawing is 4 feet wide.

Length, width, and height are measurements that allow us to indicate the volume of geometric bodies. The length (20 cm) and the width (10 cm) correspond to the horizontal dimension. On the other hand, the height (15 cm) refers to the vertical dimension.

A wide width is 1/4” wider than a medium width and an extra wide width is 1/2” wider than a medium width. People with foot swelling or edema may benefit from additionally measuring their instep girth, which will help them choose the appropriate shoe width.

In real life, width of stage = 20 feet

In drawing, width of stage = 5 inches

To find the actual scale of the drawing,

Based on the given conditions, formulate:: width in real life/width in drawing

= 20/5

Cross out the common factor: 4

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Answer:

I Didnt mean to answer sorry i cant help

I dont know

How Go back Srry Again

If the three numbers of a square in the complex plane are \(-19+32i,-5+12i and -22+15i\) , then the fourth complex number \(-2+19i\).

Given \(-19+32i,-5+12i and -22+15i\) are three numbers.

Complex numbers are those numbers which extends the real numbers with an imaginary i. In this \(i^{2}=-1\). Major complex numbers are in the form a+ bi where a and b are real numbers.

let the fourth complex numbers be \(x+yi\). Then according to question;

=\((-22+15i)-(-5+12i)\)

=(cos π/2+i sin π/2) \((x+yi)-(-5+12i)\)

\(-17+3i=-y+12\)\(+(x+5)i\)

Now solving for x and y by equating both sides.

x=-2 and y=29

Put the value of x and y in \(x+yi\)

Z=-2+29i

Hence if the three numbers which forms vertices of a square are \(-19+32i,-5+12i,-22+25i\) then the fourth complex numbers be \(-2+29i\).

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Answer:

7 pounds.

Step-by-step explanation:

3.60 for 3 pounds

1.20 per pound.

8.40/1.20 = 7 pounds

Answer

5 and a half

Step-by-step explanation:

Mark is 12 years old now,in 4 years time he will be 16.

Let Mark's present age be m years and Jane's present age be n years.

10 years ago, Jane was twice as old as Mark is now.

So, we get an equation

n - 10 = 2m               ...........(1)

In two years Jane will be three times as old as Mark is now.

So, we get an equation

n + 2 = 3m                   ............(2)

We need to find Mark's age after 4 years.

From equation (1),

n = 2m + 10                 .........(3)

Substitute the value of n in equation (2),

(2m + 10) + 2 = 3m

2m + 12 = 3m

m = 12

After 4 years Mark's age would be,

m + 4 = 12 + 4

         = 16 years

Therefore, in 4 years time Mark will be 16.

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To find the area of a parallelogram, we need to multiply the length of one of its sides by its corresponding height. In this case, we can take AB or BC as the base and draw a perpendicular line from D to AB or BC as the height. Let's choose AB as the base.

The length of AB is sqrt((6-3)² + (-3--5)²) = sqrt(10), and the corresponding height is the distance from D to AB, which can be found by taking the absolute value of the cross product of the vectors AB and AD, divided by the length of AB. This gives us (1/2)|(-2)(-2) - (3)(1)|/√10) = 1/√(10). Therefore, the area of the parallelogram is sqrt(10)*1/sqrt(10) = 1. So, the area of the parallelogram with vertices A(-5, 3), B(-3, 6), C(1, 4), and D(-1, 1) is 1 square unit.

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The ratios that could be the lengths of the two legs in a 30-60-90 triangle are √3:3 (option E) and 12√3 (option D).

In a 30-60-90 triangle, the angles are in the ratio of 1:2:3. The sides of this triangle are in a specific ratio that is consistent for all triangles with these angles. Let's analyze the given options to determine which ones could be the ratio between the lengths of the two legs.

A. √2:√2

The ratio √2:√2 simplifies to 1:1, which is not the correct ratio for a 30-60-90 triangle. Therefore, option A is not applicable.

B. 15

This is a specific value and not a ratio. Therefore, option B is not applicable.

C. √√√√5

The expression √√√√5 is not a well-defined mathematical operation. Therefore, option C is not applicable.

D. 12√3

This is the correct ratio for a 30-60-90 triangle. The ratio of the longer leg to the shorter leg is √3:1, which simplifies to √3:3. Therefore, option D is applicable.

E. √3:3

This is the correct ratio for a 30-60-90 triangle. The ratio of the longer leg to the shorter leg is √3:1, which is equivalent to √3:3. Therefore, option E is applicable.

F. √2:√5

This ratio does not match the ratio of the sides in a 30-60-90 triangle. Therefore, option F is not applicable. So, the correct option is D. 1 √2.

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Answer:

no

Step-by-step explanation:

u can cut the trapesoid in half and make it into a rectangle then get ur answer

Answer:

tan (A) = 1

Step-by-step explanation:

When sine and cosine are equal to each other, they have the same value. We know that tan (A) = sin (A) / cos (A). If sin (A) and cos (A) are the same, and any number divided by itself equals 1, the final answer must be tan (A) = 1.

The solution to the differential equation y''(t) = 1 - t^17 with initial condition y(1) = 12 is:

y(t) = (1/2)t^2 - (1/342)t^19 + (217/18)t + (19805/342)

None of the provided options (a, b, c, d) match the correct solution.

To solve the given differential equation y''(t) = 1 - t^17 with the initial condition y(1) = 12, we can integrate the equation twice.

Integrating the equation once will give us y'(t):

y'(t) = ∫(1 - t^17) dt

y'(t) = t - (1/18)t^18 + C₁

Now, we need to apply the initial condition y(1) = 12 to determine the value of the constant C₁:

12 = 1 - (1/18) + C₁

C₁ = 12 + (1/18) - 1

C₁ = 217/18

Next, we integrate y'(t) to find y(t):

y(t) = ∫(t - (1/18)t^18 + 217/18) dt

y(t) = (1/2)t^2 - (1/342)t^19 + (217/18)t + C₂

Finally, we apply the initial condition y(1) = 12 to determine the value of the constant C₂:

12 = (1/2) - (1/342) + (217/18) + C₂

C₂ = 12 - (1/2) + (1/342) - (217/18)

C₂ = (20619 - 1 + 6 - 819)/(342)

C₂ = 19805/342

Therefore, the solution to the differential equation y''(t) = 1 - t^17 with initial condition y(1) = 12 is:

y(t) = (1/2)t^2 - (1/342)t^19 + (217/18)t + (19805/342)

None of the provided options (a, b, c, d) match the correct solution.

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=====================================================

Explanation:

C is the midpoint of AB. This means AC is half as long as AB

Put another way, AB is twice as long as AC

AB = 2*AC

AB = 2*( AC )

32 = 2*( x/2 + 10 )  .... substitution

32 = 2*(x/2) + 2*10 ... distribute

32 = x + 20

x+20 = 32

x = 32-20 .... subtract 20 from both sides

x = 12

---------

If x = 12, then

AC = x/2 + 10

AC = 12/2 + 10

AC = 6+10

AC = 16

which is half of AB = 32, so it confirms our answer.

Answer:

Where is the picture?

Step-by-step explanation:

The null and alternative hypotheses are:

H0: β1 = 0 (The slope is not significant.)

H1: β1 ≠ 0 (The slope is significant.)

Here,β1=0.0943seβ1=0.107α=0.05

Test the slope significance and find the t-test statistic.

We need to find the t-test statistic so that we can compare it with the t-distribution, whose distributional properties we know, to determine if we can reject or fail to reject the null hypothesis.t-test statistic is calculated by dividing the value of β1 by its standard error (seβ1) and taking the absolute value of this quotient.

t-test statistic = | β1/seβ1 | = |0.0943/0.107| = 0.881

The degrees of freedom (df) associated with this t-test are df = n - 2, where n is the sample size for the explanatory variable x.

In this problem, the decision rule and conclusion are as follows:

Decision Rule: Reject the null hypothesis if |t-test statistic| > tc where tc is the critical value obtained from the t-distribution with df degrees of freedom and a significance level of α/2 in each tail.

Conclusion: The slope is not significant if we fail to reject the null hypothesis, but the slope is significant if we reject the null hypothesis. Since the t-test statistic (0.881) is less than the critical value (1.987), we fail to reject the null hypothesis. Therefore, we conclude that the slope is not significant.

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Answer

- A suitable two-dimensional figure that can be used to model this frame is a rectangle.

- Perimeter of the rectangular frame = 203.2 cm

- Area of the rectangular frame = 2476.6 cm²

Explanation

A suitable two-dimensional figure that can be used to model this frame is a rectangle because a rectangle is the figure that has four sides with a pair of two equal sides.

The perimeter of a rectangle is given as

Perimeter = 2 (L + W)

where

L = Length of the rectangle = 61 cm

W = Width of the rectangle = 40.6 cm

Perimeter = 2 (L + W)

= 2 (61 + 40.6)

= 2 (101.6)

= 203.2 cm

The area of a rectangle is given as

Area = L × W

L = Length of the rectangle = 61 cm

W = Width of the rectangle = 40.6 cm

Area = L × W

= 61 × 40.6

= 2476.6 cm²

Hope this Helps!!!

Answer:

American Revolution!!!

Step-by-step explanation:

Key words- COLONISTS- INDEPENDANCE BRITAN

Answer:

american revolution

Step-by-step explanation:

its the first time that the britian fought the americans

The radical of the quotient is the product of the radicals of the numerator and denominator.

A product's radical equals the sum of the radicals of each factor, according to this statement. "The quotient of the radicals of the numerator and denominator is the radical of the quotient."

The power of the base serves as the numerator of the fractional exponent represented by a radical, while the radical's index serves as the denominator. A product's nth root is the sum of the nth roots of all its components. You must have the same indices.

We can rewrite radical expressions by applying the first factor of the expression that is under the root, creating perfect power, for instance, by using the exponentiation properties. Alternately, we may apply the property of products of powers, then evaluate after exponentiating. To simplify an equation, we can also use the Quotient of Powers Property.

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Answer:C

Step-by-step explanation:sorry if i get it wrong

Answer:

A

Step-by-step explanation:

Answer:

Step-by-step explanation:

The proliferation of counties in Georgia led to multiple state constitutional amendments attempting to establish a limit on the number of counties in the state. The most recent such amendment, ratified in 1945, limited the number to 159 counties, although there had been 161 counties from 1924 to 1931.

The protagonist, a detective, stumbles upon a series of crimes connected to the labeled tickets.

Box A: The plot that matches Box A is a thrilling mystery. The protagonist, a detective, stumbles upon a series of crimes connected to the labeled tickets.

As the detective investigates, they discover that the tickets with the number "1" are linked to a notorious gang involved in illegal activities. The tickets labeled "2" lead the detective to a secret society that uses the tickets for initiation rituals.

The plot unfolds as the detective races against time to unravel the connections between the tickets and bring the culprits to justice.

Box B: The plot that matches Box B is a heartwarming tale of friendship and adventure. The protagonist, a young child, finds one of the tickets labeled "3" and realizes it grants them access to a magical world. In this world, they meet a group of unique and colorful characters who also possess tickets labeled "5."

Together, they embark on a journey to restore harmony to their realm, battling against an evil force that seeks to exploit the power of the tickets. Through their shared experiences, the group learns valuable lessons about courage, loyalty, and the true meaning of friendship.

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Answer:

Step-by-step explanation:

There are 360 seals on a beach. Of them 9/20 pups. The rest are adult seals. How many seal pups are on the beach? What percent of the seals on the beach are pups?