Can someone help asssppp

Answer: 6, 4.5

Step-by-step explanation:

the first x < 3 so x could be from - 1 till 3 in this graph

the other x > - 7 so x could be from from - 7 till - 3 in this graph

By using a trigonometric relation, we will see that the value of x is 60.57°

On the image, we can see a right triangle where x represents one of the angles.

We can see that the length of the two catheti are shown, such that the adjacent cathetus is 2.2, and the opposite cathetus is 3.9, then we can use the trigonometric relation:

tan(a) = (opposite cathetus)/(adjacent cathetus)

Then we can write:

tan(x) = 3.9/2.2

Using the inverse tangent function in both sides, we will get:

Atan( tan(x)) = Atan(3.9/2.2)

x = Atan(3.9/2.2) = 60.57°

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Answer:

5x-8

Step-by-step explanation:

7x-14-2x+6

-14+6=-8

7x-2x=5x

Answer:

GH

Step-by-step explanation:

Answer:

Bc=Gh since they correspond meaning same side equal

False. A rectangle is conventionally used in a process flowchart to represent a storage area or queue. Triangles are typically used in flowcharts to represent decision points, where a choice must be made between two or more alternatives.

Rectangles are used to represent activities or operations, while arrows connecting the shapes indicate the flow or direction of the process. The use of standardized shapes in flowcharts helps to make them easily understandable and accessible to a wide range of individuals, regardless of their background or experience with the specific process being depicted.

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Answer:

1814400

Step-by-step explanation:

The leading coefficient of f(x) is positive, which means that the graph will be pointing upwards on both ends. The graph is attached below.

Graphs are a not unusual place technique to visually illustrate relationships within side the statistics. The reason for a graph is to provide statistics that are too severe or complex to be defined appropriately within side the textual content and in much less space.

To sketch the graph of f(x) = x^4 - 3x^3 + x - 3, we can use the information gathered from analyzing the function:

Using this information, we can sketch the graph of f(x) as follows:

Putting all of this information together, we can sketch the graph of f(x) as shown below:

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There for the diameter is 2(4.8 )= 9.6 ft

Given: Volume of the cone is 83.7 m³

We know that:

\(\bigstar \ \ \boxed{\sf{\textsf{Volume of cone is given by} : \dfrac{\pi r^2h}{3}}}\)

where r is the radius of the cone and h is the height of the cone

Given: Height of the cone = 5m

Substituting the values in the formula, we get:

\(\sf{\implies \dfrac{\pi r^2(5)}{3} = 83.7}\)

\(\sf{\implies \pi r^2 = 83.7 \times \dfrac{3}{5}}\)

\(\sf{\implies \pi r^2 = 83.7 \times 0.6}\)

\(\sf{\implies \pi r^2 = 50.22}\)

\(\sf{\implies r^2 = \dfrac{50.22}{\pi}}\)

\(\sf{\implies r^2 = 16}\)

\(\sf{\implies r = 4}\)

We know that : Diameter is two times the radius

⇒  Diameter of the Cone is 8 meters

Answer:

$22,000

Step-by-step explanation:

2000 x 11

=22000

Answer:

500000000020000900000333000999990202i283u8

The theoretical probability of the arrow landing on blue on the next spin is 2/15.

The theoretical probability of an event happening is the number of ways that event can occur divided by the total number of possible outcomes.
In this case, we know that the spinner has 3 sections of equal size, so there are 3 possible outcomes each time it is spun.
Out of the 30 times the arrow was spun, it landed on the blue section 12 times. So the number of ways that the arrow can land on blue is 12.

3 sections x 30 spins = 90 possible outcomes
So the theoretical probability of the arrow landing on blue on the next spin is:
Number of ways it can happen / Total number of possible outcomes
12 / 90
To simplify this fraction, we can divide both the numerator and denominator by their greatest common factor, which is 6:
12 ÷ 6 = 2
90 ÷ 6 = 15

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Answer:

\(Meeting\ Time = 6:03\ pm\)

Step-by-step explanation:

Given

\(Start\ Time= 5:45pm\)

\(Lixin = 18\ min/round\)

\(Khairul = 360\ seconds/round\)

\(Devi = 4minutes/2\ rounds\)

Required

Determine their next meeting time

First, we need to get their unit rate in minutes per round

\(Lixin = 18\ min/round\)

\(Khairul = 360\ seconds/round\)

Convert 360 seconds to minutes

\(Khairul = \frac{360}{60} min/round\)

\(Khairul = 6 min/round\)

\(Devi = 4minutes/2\ rounds\)

Divide by 2/2

\(Devi = 2mins/round\)

So, we have:

\(Lixin = 18\ min/round\)

\(Khairul = 6 min/round\)

\(Devi = 2mins/round\)

Next, is to determine the LCM of 18, 6 and 2

\(18=2 * 3 * 3\)

\(6 = 2 * 3\)

\(3 = 3\)

Their LCM is:

\(LCM = 2 * 3 * 3\)

\(LCM = 18\)

This means that they will meet 18 minutes after their initial time of departure.

So:

\(Meeting\ Time = 5:45\ pm + 18\ minutes\)

\(Meeting\ Time = 6:03\ pm\)

The reciprocal of the fraction 1/2π is 2π. To find the reciprocal of a fraction, we need to flip the numerator and denominator. In this case, we have the fraction 1/2π.

To find its reciprocal, we need to invert the fraction, which gives us π/2. However, if we want to simplify the reciprocal, we can multiply both the numerator and denominator by 2 to get 2π/4, which further simplifies to π/2. Thus, the reciprocal of 1/2π is 2π. In general, to find the reciprocal of any fraction a/b, we simply need to swap the numerator and denominator, resulting in the fraction b/a.

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The predicate in the conditional statement checks whether the value of variable "a" is less than or equal to 1. However, it does not directly determine if "a" is of type double.

In this specific case, let's break down the code:

1. The expression `(2 + 1) / 2` is evaluated first. Since both 2 and 1 are integers, the division operation `/` results in a floating-point value, specifically 1.5.

2. The result of the expression is then assigned to variable "a" with the statement `a = (2 + 1) / 2`. The value of "a" becomes 1.5.

3. The conditional statement `if (a <= 1)` is evaluated. The comparison `1.5 <= 1` is false because 1.5 is greater than 1.

Therefore, the predicate result for the variable "a" to be a double primitive type in this case is false.

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When y varies directly as x with y = 39 and x = 3, we can find the value of y when x = 2.

In a direct variation, the relationship between y and x can be expressed as y = kx, where k is the constant of variation. To find the value of k, we can substitute the given values of y and x into the equation.

39 = k * 3

Dividing both sides by 3, we get:

k = 39/3 = 13

Now that we know the constant of variation, we can find the value of y when x = 2 by substituting it into the equation:

y = 13 * 2 = 26

Therefore, when x = 2, the value of y is 26.


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The value of x and y from the given angles 6x - 25, y  and 4x + 15 will be x = 20 and y = 85 degrees.

The vertically opposite angles are those angles that are opposite one another at a specific vertex and are created by two straight intersecting lines.

The angles are given that 6x - 25, y  and 4x + 15

WE can see that the angles 6x - 25 and 4x + 15 are  vertically opposite angle, then

6x - 25 = 4x + 15

6x - 4x = 25 + 15

2x = 40

x = 20

Now by linear pair we get

y + 4x + 15 = 180

y + 4(20) + 15 = 180

y = 180 - 80 - 15

y = 100 - 15

y = 85

Therefore, the value of x and y from the given angles 6x - 25, y  and 4x + 15 will be x = 20 and y = 85 degrees.

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Answer:

option 3

Step-by-step explanation:

\(volume = \frac{1}{3} \pi r^2 h = \frac{1}{3} \times 3.14 \times 2^2 \times 24\)

The amount of pure antifreeze to be added to make a mixture that is 74% antifreeze is; 3 liters

A linear equation of one variable is defined as an equation in terms of only one variable of degree 1. A multi-step linear equation is defined as a linear equation that can be solved using multiple algebraic operations on both sides of the equation.

This seems like starting with 6 and ending up with 6.

Let x represent the  amount to be drained and replaced

The % antifreeze equation:

0.48(6) - 0.48(x) + 1(x) = 0.74(6)

2.88 - 0.48x + x = 4.44

0.52x = 4.44 - 2.88

0.52x = 1.56

divide both sides by 0.52 gives us;

x = 1.56/0.52

x = 3 liters of pure antifreeze to be added to make a mixture that is 74% antifreeze

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The actual kitchen measures 18m in width.

• In mathematics, the unitary method is used to find the necessary value by first determining the value of a single unit and then multiplying the number by the single unit value.

• For example, if a car travels 60 kilometers on three litres of gasoline, we can calculate the number of kilometers traveled on one litre of gasoline using the unitary method.

We are given that Luther drew a scale drawing of an Italian restaurant. He used a scale on which 1 millimetre equals 6 meters. We need to find the width of the kitchen if in the drawing it is 3 mm wide.

So,

1mm = 6m

3 mm =?

3 mm = 6*3

3 mm = 18 m

The actual width of the kitchen is 18 m.

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After calculations, it is determined that the required spacing of the closed stirrups is approximately 6 inches.

To determine the required spacing of closed stirrups for the given beam, we need to consider the factored shear and factored torsional moment. The formula for calculating the spacing of closed stirrups is given by:

s = (0.75√(f'c) / fy) * (Av / (bd - 2s))

where:

s = spacing of stirrups

f'c = specified compressive strength of concrete

fy = specified yield strength of steel reinforcement

Av = area of one closed stirrup

b = width of the beam

d = effective depth of the beam

Given information:

Width (b) = 15 in.

Effective depth (d) = 26.5 in.

Factored shear = 80 kips

Factored torsional moment = 50 ft-kips

Stirrup centroid from concrete face = 1.75 in.

No. 4 (no. 13) closed stirrup size = 0.2 square inches

First, we need to calculate the area of one closed stirrup:

Av = (No. of stirrups) * (Area of one stirrup)

Av = (2) * (0.2 square inches)

Av = 0.4 square inches

Next, we can substitute the values into the formula to calculate the spacing (s):

s = (0.75√(f'c) / fy) * (Av / (bd - 2s))

Assuming f'c = 4 ksi (common value for concrete strength) and fy = 60 ksi (common value for steel reinforcement strength), we can calculate:

s = (0.75√(4) / 60) * (0.4 / (15 * 26.5 - 2s))

Simplifying the equation, we get:

s = 0.0986 / (397.5 - 30s)

To solve for s, we can use an iterative approach or trial and error method. By substituting different values of s into the equation, we can find the spacing that satisfies the equation.

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                              1000/2000 will be 0.5 :)

\(\\ \sf\longmapsto \dfrac{1000}{2000}\)

\(\\ \sf\longmapsto \dfrac{100}{200}\)

\(\\ \sf\longmapsto \dfrac{10}{20}\)

\(\\ \sf\longmapsto \dfrac{1}{2}\)

\(\\ \sf\longmapsto 0.5\)

The project consists of four activities: A, B, C, and D. The normal completion times for these activities are 5, 8, 1, and 5 weeks, respectively.

The project activities are labeled as A, B, C, and D, with their respective normal completion times of 5, 8, 1, and 5 weeks. Activity B has the potential to be crashed, meaning its completion time can be reduced from 8 weeks to 3 weeks. The crash time for activity B is 2 weeks.

Crashing an activity involves allocating additional resources, such as manpower or equipment, to expedite its completion. However, this acceleration comes at an additional cost. In this case, crashing activity B by 2 weeks incurs a cost of $2,000. The crash time for activity B is determined by subtracting the crash time from the normal completion time, resulting in a new completion time of 3 weeks.

Overall, the project has a critical path, which is the longest path of activities that determines the minimum time required for the project's completion. In this scenario, the critical path includes activities A, B, and D, with a total duration of 13 weeks (5 weeks for A, 3 weeks for B, and 5 weeks for D). By crashing activity B, the project's overall duration can be reduced by 5 weeks, resulting in a more expedited completion time.

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The precision of the estimate decreases when standard error of an estimate when the sample size in a SRS decreases. So, the correct answer is D).

The standard error of an estimate measures the variability of sample means around the population mean. As the sample size in a simple random sample (SRS) decreases, the sample mean becomes less representative of the population mean, resulting in more variability or less precision in the estimate.

The standard error increases as the sample size decreases because there is more uncertainty in the estimate due to the smaller sample size. Therefore, decreasing the sample size will increase the margin of error and decrease the precision of the estimate. So, the correct option is D).

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9 meters cost P600

Step-by-step explanation:

3×3 = 9

p200×3 =P600

The value of function f(7) is approximately 14.857.

To find the value of f(7), we can use the information given about f(1), the continuity of f', and the definite integral involving f'.

Let's go step by step:

1. We are given that f(1) = 12. This means that the value of the function f(x) at x = 1 is 12.

2. We are also given that f' is continuous. This implies that f'(x) is continuous for all x in the domain of f'.

3. The definite integral 7 ∫ f'(x) dx from 1 to 7 is equal to 20. This means that the integral of f'(x) over the interval from x = 1 to x = 7 is equal to 20.

Using the Fundamental Theorem of Calculus, we can relate the definite integral to the original function f(x):

∫ f'(x) dx = f(x) + C,

where C is the constant of integration.

Substituting the given information into the equation, we have:

7 ∫ f'(x) dx = 20,

which can be rewritten as:

7 [f(x)] from 1 to 7 = 20.

Now, let's evaluate the definite integral:

7 [f(7) - f(1)] = 20.

Since we know f(1) = 12, we can substitute this value into the equation:

7 [f(7) - 12] = 20.

Expanding the equation:

7f(7) - 84 = 20.

Moving the constant term to the other side:

7f(7) = 20 + 84 = 104.

Finally, divide both sides of the equation by 7:

f(7) = 104/7 = 14.857 (approximately).

Therefore, f(7) has a value of around 14.857.

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Each of the following percentages can be represented in fraction form

as follows:

(i) 25% = 25/100 = 1/4

(ii) 40% = 40/100 = 2/5

(iii) 16% = 16/100 = 4/25

(iv) 150% =150/100 = 3/2

(v) 120% =120/100 = 6/5

(vi) 58% = 58/100= 29/50

(vii) 32% =32/100=8/25

(viii) 175%= 175/100= 7/4

(xii) 2.25%= 2.25/100= 9/400

As the % symbol stands for multiplication of the respective number with  1/100, to convert any percentage into a fraction we multiply it with 1/100. The answer we get then is the required fraction of the % number in p/q form. To further simplify the fraction we cancel out the common multiples in both the numerator and denominator till the common factors of both p and q came out to be 1.

Considering the given fractions, we simplify the fractions by canceling out the common factors from the numerator and the denominator as follows:

(i) 25% = 25/100 = (5×5)/(5×5×2×2)= 1/4

(ii) 40% = 40/100 = (5×2×2×2)/(5×5×2×2) = 2/5

(iii) 16% = 16/100 = (2×2×2×2)/(5×5×2×2)= 4/25

(iv) 150% =150/100 = (5×5×2×3)/(5×5×2×2)= 3/2

(v) 120% =120/100 = (5×2×2×2×3)/(5×5×2×2) = 6/5

(vi) 58% = 58/100 = (29×2)/(5×5×2×2)= 29/50

(vii) 32% =32/100=(2×2×2×2×2)/(5×5×2×2)=8/25

(viii) 175%= 175/100= (5×5×7)/(5×5×2×2)=7/4

(xii) 2.25%= 2.25/100=(5×5×3×3)/(5×5×5×5×2×2×2×2)= 9/400

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