solve 40% of 70 using percentage diagrams.
Percentage diagram example below:

Answer:

The last one, d = 13/2

Step-by-step explanation:

First distribute.

Then add 14 on both sides

then subtract 2d on both sides

then divide 2 from both

then you get d= 13/2

It stays improper because thats what you do when solving these equations.

Please mark brainliest <3 !

The area of the Rhombus is 124 cm².The correct answer is: 124 cm²

To find the area of a rhombus, we can use the formula:

Area = (diagonal1 * diagonal2) / 2

In the given image of the rhombus, we have the following measurements:

Diagonal1 = 15.5 cm

Diagonal2 = 16 cm

Plugging these values into the formula, we can calculate the area:

Area = (15.5 cm * 16 cm) / 2

    = (248 cm²) / 2

    = 124 cm²

Therefore, the area of the rhombus is 124 cm².

The correct answer is: 124 cm²

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Answer:

Simplify

Step-by-step explanation:

I'm not sure what the question is referring to but if it's an improper fraction you Simplify.

Let's take 9/3 you divide 9 and 3 and the fraction will be a whole number.

but if it's like 14/3 were counting in 3's like 3, 6, 9, 12, 15... 14 does not line up.

How many 3's fit into 14?

4 threes. So the fraction will now be 4 2/3.

To get the improper fraction again multiply the whole number and the bottom number of the fraction.

4 x 3 = 12.

Add the remaining number which is 2.

12 + 2 = 14.

Sorry if this isn't what you meant.

Answer:

B - y = 3x - 2

Step-by-step explanation:

The equation is y = mx + b

Where m is the slope of the line or rise over run

The slope is 3

Where b is the y intercept of the line

The y - intercept is -2

Answer:

B. y=3x-2

Step-by-step explanation:

We see that the graphs pass through the points (0,-2) ,(2,4) and (1,1)

Hence, we must find an equation of which both are a common solution..

Here in equation B,

by substituting x=0,2,1 and y=-2,4,1 respectively..

we get, that these values satisfy the solution... Indicating that (y=3x-2) is the equation of the graph

the volume of water in the tank m = 1000 × 8A² = 8000A² kg

The given layer of water is rectangular in shape with a thickness of Ax m and 8m in length. So, the volume of water in the tank can be calculated using the formula;

V = l × w × h

Where; l = 8m, w = x m, and h = Ax m

Therefore; V = 8 × x × Ax = 8A² m³

The mass of water in the tank can be obtained using the formula;

m = density × volume

Therefore; m = 1000 × 8A² = 8000A² kg

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Answer:

31

Step-by-step explanation:

ST + TU+ UV = SV

13+6+ 2x-18 = 4x-29

Combine like terms

2x+1 = 4x-29

Subtract 2x from each side

2x+1-2x = 4x-29-2x

1 = 2x-29

Add 29 from each side

1+29 = 2x-29+29

30 =2x

Divide each side by 2

30/2 = 2x/2

15 =x

We want to find the length of SV

SV = 4x-29

    = 4*15-29

    = 60-29

    = 31

Let's consider a manufacturing company that is looking to improve the efficiency of their assembly line. The company wants to conduct an experiment to evaluate the impact of two independent variables on the production output. The variables are the type of equipment used and the level of employee training.

Experiment Design: The company decides to employ a 2x2 full factorial design for their experiment. They create four different conditions by manipulating the two independent variables:

Condition A: Standard equipment, untrained employees.

Condition B: Standard equipment, trained employees.

Condition C: Upgraded equipment, untrained employees.

Condition D: Upgraded equipment, trained employees.

The company randomly assigns a group of employees to each condition and measures the production output (e.g., number of units produced per hour) for a set period of time.

Using the 2x2 full factorial design, the company can systematically assess the effects of equipment type and employee training on the production output.

By comparing the results across the four conditions, they can determine the main effects of each independent variable as well as any interaction effects between the variables.

The experiment will provide valuable insights into the optimal combination of equipment type and employee training for maximizing production efficiency.

The company can use the findings to make data-driven decisions on equipment upgrades and training programs, leading to improved productivity and cost-effectiveness in their assembly line operations.

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There are 14 questions in total that need to be done for homework.

If the teacher assigns questions 28 through 41 in the math book for homework, we can find the number of questions by subtracting the starting question number from the ending question number and adding 1.

Number of questions = (ending question number) - (starting question number) + 1

In this case, the starting question number is 28 and the ending question number is 41.

Number of questions = 41 - 28 + 1 = 14

Therefore, there are 14 questions in total that need to be done for homework.

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Answer:

43%

Step-by-step explanation:

Last month, 72.

This month, 126.

Last month, ebony had 72/126 in her account to what she has this month. 72/126 as a percentage.

Ratio:

72:126

X100

7,200:12,600

÷126

57.142:100

Ebony had approximately 57% of her cash in her account last month, compared to this month.

Answer:

The approximate area of one slice is 21.21 in².

Step-by-step explanation:

Area = πr²

d = 18 in

r = 18 in/2

r = 9 inches

Solve for the area of the pie

A = π(9in)²

A = 81π in²

OR

A = 254.47 in²

Since the pie is cut into 12 slices, we will divide the area by 12

A = 81π in²/12

A = 6.75π in²   ---in terms of pi

OR

A = 254.47 in²

A = 21.21 in²

Answer:

x = 44/7

Step-by-step explanation:

7x+3 = 47

Subtract 3 from each side

7x+3-3 = 47-3

7x = 44

Divide by 7

7x/7 = 44/7

x = 44/7

Answer: 50 red apples

Step-by-step explanation:

First divide 20 by 2 to know what you will multiply 5 by, so 20 divided by 2 equals 10. Now you multiply 5 by 10 to know how many red apples there are. 5 multiplied by 10 equals 50. So there are 20 tomatoes and 50 red apples.

Answer:

50.

Step-by-step explanation:

10 x 2 = 20 tomatoes

10 x 5 = 50 apples

So the answer to this problem would be 50 apples.

Hope this helps! <3

Answer:

its A) -1.8

Step-by-step explanation:

i just did this on edge 2020

Answer:

3.125 seconds.

Step-by-step explanation:

The equation h = -16t² + 100t+ 3 gives the height of the ball after t seconds.

The maximum height is reached when the velocity is zero.

The velocity is given by v = 100t - 32t².

Setting v = 0,

we get

100t - 32t² = 0.

Factoring out t,

we get

t(100 - 32t) = 0.

Solving for t,

we get

t = 0 or t = 100/32 = 3.125 seconds.

Therefore, the baseball will reach its maximum height after 3.125 seconds.

Answer:

f(3) ≈ 17.310

Step-by-step explanation:

e = 2.71828

Step 1: Define

f(x) = e2x - 1 + 2

x = 3

Step 2: Substitute and evaluate

f(3) = e2(3) - 1 + 2

f(3) = 6e + 1

f(3) = 16.3097 + 1

f(3) = 17.3097

f(3) ≈ 17.310

The expressions that result in a rational number are given as follows:

The square roots of 3 and of 11 are not exact, hence the expressions with these terms are not rational, and the rational numbers are given as follows:

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Answer

17 is the answer

Step by step answer

Answer:

Step-by-step explanation:

Answer: (1.25,0.25)

Step-by-step explanation:

Because I got it right.

The approximation the solution is (1.25, 0.25) option second (1.25, 0.25) is correct.

A straight line is a combination of endless points joined on both sides of the point.

The slope 'm' of any straight line is given by:

[tex]\rm m =\dfrac{y_2-y_1}{x_2-x_1}[/tex]

We have given two straight lines shown in the coordinate plane.

As we can see both the lines intersect in the first quadrants.

Both the coordinate will be positive.

The approximation of the solution is (1.25, 0.25)

Thus, the approximation the solution is (1.25, 0.25) option second (1.25, 0.25) is correct.

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Answer: First number = 3.5  , Second number = - 10.5

Step-by-step explanation:

Let two numbers be a and b

According to the question -

Sum = - 7      ...... ( 1 )

Difference = 14 ...... ( 2 )

so  :-         a + b = - 7  and a - b = 14

Now add both equations

( a + b ) + ( a - b ) = - 7 + 14

2a = 7

a = 7 / 2

a = 3.5

Now put value of a in equation ( 1 ) .........

a + b = - 7

3.5 + b = - 7

b = - 7 - 3.5

b = - 10.5

so first number = 3.5

second number = - 10.5

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Answer:

false. hope that helped

Step-by-step explanation:

Answer:

false

Step-by-step explanation:

x+y+10+2y=7000

Answer:

12 hours

Step-by-step explanation:

We are given the function [ F(t) = 1084 - 65t ]

t represents the time so we are going to solve for f(t).

Substitute and solve

304 = 1084 - 65t

~Subtract 1084 to both sides

-780 = -65t

~Divide -65 to both sides

12 = t

Best of Luck!

Answer:

That other guy was a mean, the answer is 20

Step-by-step explanation:

Answer:

C

Answer:

c x 6 or 6c

Step-by-step explanation:

Answer:

x^3(x−4)(x^2+6)

Step-by-step explanation:

If this helps may i plz have brianliest :)

Rounded to 1 decimal place, the wholesaler's in-stock probability during a normal week is approximately 89.2%.

To calculate the wholesaler's in-stock probability during a normal week, we need to consider the number of items that are available for the entire week and divide it by the total demand.

Total demand = 4,800 items

Items not available for the entire week = 250 items

Items available for only part of the week = 270 items

Therefore, the number of items available for the entire week can be calculated as follows:

Items available for the entire week = Total demand - Items not available for the entire week - Items available for only part of the week

                                = 4,800 - 250 - 270

                                = 4,280 items

The in-stock probability can be calculated by dividing the number of items available for the entire week by the total demand and then multiplying by 100 to convert it to a percentage:

In-stock probability = (Items available for the entire week / Total demand) * 100

                   = (4,280 / 4,800) * 100

                   = 89.1666...

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1. The sample mean is 20 and the sample standard deviation is 0.254. 2. The sample mean is 71, the margin of error is 3.520, and the sample standard deviation is 2.056.

1. The sample mean ([tex]\bar x[/tex]) can be calculated as the midpoint of the confidence interval:

[tex]\bar x[/tex] = (18.985 + 21.015) / 2 = 20

The standard deviation (s) can be estimated using the formula for the margin of error:

Margin of error = (Upper limit - Lower limit) / (2 * t)

Since the confidence interval is based on a t-distribution, we need the critical value of t for a 95% confidence level with 35 degrees of freedom (36 - 1):

t = 2.030

Substituting the values into the formula:

Margin of error = (21.015 - 18.985) / (2 * 2.030) = 0.515

The standard deviation can be estimated by dividing the margin of error by the t-value:

s = Margin of error / t = 0.515 / 2.030 = 0.254

Therefore, the sample mean is 20 and the sample standard deviation is 0.254.

2. The sample mean ([tex]\bar x[/tex]) can be calculated as the midpoint of the confidence interval:

[tex]\bar x[/tex] = (65 + 77) / 2 = 71

To calculate the margin of error, we need to find the critical value of t for a 90% confidence level with 24 degrees of freedom (25 - 1):

t = 1.711

The margin of error can be calculated using the formula:

Margin of error = (Upper limit - Lower limit) / (2 * t) = (77 - 65) / (2 * 1.711) = 3.520

The sample standard deviation (s) can be estimated by dividing the margin of error by the critical value of t:

s = Margin of error / t = 3.520 / 1.711 = 2.056

Therefore, the sample mean is 71, the margin of error is 3.520, and the sample standard deviation is 2.056.

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