find the value of x with explanation pls

The correct option is option (4) ASA is not a test for similarity

Triangles' similarities can be described based on their features. If two triangles have corresponding sides and have the same ratio and their corresponding angles are equal, then two triangles are said to be similar. The following are the criteria that are used to determine the similarity between two triangles:

1. AAA (Angle-Angle-Angle)

2. SSS (Side-Side-Side)

3. SAS (Side-Angle-Side)

The criteria ASA does not prove the similarity between two triangles as this property does not guarantee that the rest of the sides of one triangle will be similar to those of the other triangle. Thus, ASA criteria are not used to check the similarity between two triangles.

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The domain and the range of this function shown in the graph include the following;

In Mathematics, the horizontal extent of a graph represents all domain values and they are read and written from smaller to larger numerical values, and from the left of a graph to the right.

Furthermore, the vertical extent of a graph represents all range values and they are always read and written from smaller to larger numerical values, and from the bottom of the graph to the top.

Note: Each interval on this graph represent 1 unit and the less than or equal to (≤) would be used because the dotted point is shaded (closed).

By critically observing the graph shown above, we can reasonably and logically deduce the following:

Domain = -5 ≤ x < 1 or [-5, 1].

Range = -4 ≤ y < 7 or [-4, 7].

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The required lengths of side of triangle are 15 in, 16 in and 17 in.

Given :

The sum of the angles of a triangle is always 180°

Given that :

Sides of a triangle are consecutive integers.

Also given that,

Perimeter of triangle is 48.

Let the sides of triangle are x, x + 1 and x + 2.

x + x + 1 + x + 2 = 48

3x = 48 - 3

3x = 45

divide by 3 on both sides

x = 15

The length of the triangles  

x + 1 = 15 + 1 = 16

x + 2 = 15 + 4 = 17

The side lengths of the triangle are 15, 16 and 17.

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Ramon should buy the rug of 169 square feet area because the room area is 160 square feet.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that in the model ½ inch represents 2 feet and Ramons room measures 2.5 inches by 4 inches. Ramon wants to purchase a rug that will take up 169 square feet of space.

1/2 inch = 2 feet

1 inch = 4 feet

2.5 inch = 10 feet

4 inch = 16 feet

Area of room = L x W

Area of room = 10 x 16

Area of room = 160 square feet

The area of the rug is 169 square feet and the area of the room is 160 square feet which will cover the whole area.

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Answer: you should expect 218,750 tons of pollutants from City B.

Step-by-step explanation:

When two variables vary "directly", it means that they fit into the equation y=mx, where y varies directly with x, with the multiplier m to be determined by the information you are given.

For this problem, P (pollutants) varies directly with N (people) so the equation is P=mN for their relation.

You are given that City A has P = 260,000 tons of pollutants and N = 416,000 people. Plug these into the equation above (P=mN) and you get 260,000=(m)(416,000). If we divide each side by 416,000, you get that m=0.625. So now you have the multiplier for your equation: P=(0.625)N.

Use the complete equation now to find out how many P (pollutants) City B will produce.

P=(0.625)N

P=(0.625)(350,000)      [[350,000 was the given "N" or amount of people in City B]]

P=218,750 tons of pollutants

Answer:

The answer is C(t)=0.07t+20

Step-by-step explanation:

20 is the starting value, or y-intercept in this case. The rate of change is 7 cents, or, 0.07. If we put this in y=mx+b format, it will come out as:

C(t)=0.07t+20

We can find the base of the isosceles triangle with legs using the formula:

2 × sqrt ((hypotenuse) ^ 2 - (altitude)^2) = base

Let us assume that the leg of the isosceles triangle is 'h' and one side is 'a'. Let the base be 'x'.

As there is a leg (altitude) in the isosceles triangle, then it forms a right triangle in the isosceles triangle, such that the sides form the hypotenuse.

Therefore, by using the Pythagoras' theorem,

hypotenuse ^ 2 = (altitude)^2 + (base / 2)^2

Hence, we get the base by deriving this expression from the above formula:

2 × sqrt ((hypotenuse) ^ 2 - (altitude)^2) = base

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There is about a 7.3% probability that it will take Zach 555 or more throws to score his first ringer.

To solve this problem, we can use a geometric distribution, which models the number of trials it takes to get a success in a series of independent Bernoulli trials (trials with two outcomes: success or failure) with a fixed probability of success.

In this case, the probability of success is 40% (the probability of scoring a ringer), and the probability of failure is 60% (the probability of not scoring a ringer). We can use the formula for the probability mass function of a geometric distribution to calculate the probability that it takes Zach 555 or more throws to score his first ringer:

P(X ≥ 555) = 1 - P(X < 555)

= 1 - (P(X = 1) + P(X = 2) + ... + P(X = 554))

= 1 - (0.4 + (0.4 * 0.6) + (0.4 * 0.6^2) + ... + (0.4 * 0.6^554))

To calculate this probability, we can use a computer to sum up the series, or we can use a calculator with a geometric distribution function. Using a calculator, we get P(X ≥ 555) ≈ 0.073, or about 7.3%.

This means that there is about a 7.3% probability that it will take Zach 555 or more throws to score his first ringer.

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In this case, the probability of success is 40% (the probability of scoring a ringer), and the probability of failure is 60% (the probability of not scoring a ringer). We can use the formula for the probability mass function of a geometric distribution to calculate the probability that it takes Zach 555 or more throws to score his first ringer:

P(X ≥ 555) = 1 - P(X < 555)

= 1 - (P(X = 1) + P(X = 2) + ... + P(X = 554))

= 1 - (0.4 + (0.4 * 0.6) + (0.4 * 0.6^2) + ... + (0.4 * 0.6^554))

To calculate this probability, we can use a computer to sum up the series, or we can use a calculator with a geometric distribution function. Using a calculator, we get P(X ≥ 555) ≈ 0.073, or about 7.3%.

Answer:

4700 workers

Step-by-step explanation:

We know that 60% of the worker are men

1880 people work for the company who aren't men

100% - 60% = 40%

40% of workers =  1880

40% = 0.4

If 0.4 = 1880

100% of the workers x

100% = 1

We have equations

0.4 = 1880

1 = x

Cross multiply

0.4x = 1880

Divided both sides by 0.4

x = 4700 workers total

To find the number of men workers, we take

4700 - 1880 = 2820 men workers

So, there are a total of 4700 workers!

1880 women workers & 2820 men workers!

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Answer:

60% are men. 40% women

x - amount of men, 1 880 amount of women

60:x = 40:1 880

40x = 60(1 880)

40x = 112 800

x = 2 820

Percentage = Rate / Base

= 1 880 / (1 - 0.60)    (1-0.60 to find out the percent of not men)

= 1 880 / 0.40

= 4 700

Women: 4 700 * 0.4 = 1 880    (this statement is true)

Men: 4 700 * 0.6 = 2 820       (therefore, it is too)

Step-by-step explanation:

Four areas known as quadrants are created by the coordinate axes.

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The sponsor will donate 750 dollars.

1 kilo is 1000 meters

5 kilos is 1 kilo x 5

1000 meters x 5 is 5000 meters

0.15 x 5000 = 750

Answer:

12345678900987654321

The largest possible volume of a rectangular parcel where the smallest end is a square that can be sent by mail according to USPS regulation is 11664 cubic inches.

The volume of a rectangular parcel with dimensions l, w, and h is lwh. We can express the volume of the rectangular parcel in terms of one variable, say l, as lwh = l(108 - 2l)h. We want to maximize this expression subject to the constraint that l is a positive number less than 54 (the maximum value for l that still allows the parcel to fit within the 108-inch limit).

Taking the derivative of the volume with respect to l and setting it equal to zero, we find that the maximum volume occurs when:

l = (27 inches)

At this value, the dimensions of the parcel are:

l = 27 inches

w = 27 inches

h = 2(108 - 2l) = 2(72) = 144 inches

The volume of the parcel is then:

lwh = (27)(27)(144) = 11664 cubic inches

This is the largest possible volume of a rectangular parcel where the smallest end is a square that can be sent by mail according to USPS regulations.

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Answer:6

Step-by-step explanation: 2 1/4 is a mixed fraction and needs to be changed into an improper fraction:

The whole number 2 is multiplied by the denominator 4 which gives 8 and we add 1 from the numerator this gives 9 and we put this over the denominator 9/4

9/4÷3/8=

The first fraction stays the same and we flip over the second fraction and use the multiplication sign in between

9/4 x 8/3=72/12=6

The tops of the fractions are multiplied together to give 72

The bottoms of the fractions are multiplied together to give 12

Answer:

20% of 575 is 116

20% of 575 is 116

20% of 575 is 116

20% of 575 is 116

20% of 575 is 116

20% of 575 is 116

20% of 575 is 116

20% of 575 is 116

Answer:

perpendicular

Step-by-step explanation:

7y = -x - 3

y = -1/7 x - 3/7

-1/7 is the reciprocal of the opposite, so the lines are perpendicular

The sailboat and the medical aid should meet at the points

(0, 7) and (5, 12).

A quadratic equation is an algebraic expression in the form of variables and constants.

A quadratic equation has two roots as its degree is two.

A straight line on the coordinate plane is represented by a linear function. As an illustration, the equation y = 3x – 2 depicts a linear function because it is a straight line in the coordinate plane.

The intersection point between the two graphs y = - x² + 6x + 7 and y = x + 7 is the point where they meet each other.

Now, For the equation y = - x² + 6x + 7,

When x = 0, y = 7 ⇒ (0, 7).

when x = 1, y = 12 ⇒ (1, 12).

Now for y = x + 7,

when x = 1, y = 8 ⇒ (1, 8).

when x = 2, y =9 ⇒ (2, 9).

Now by taking the graph paper with each box of 1 square unit will plot these points and we obtain that at (0, 7) and (5, 12) these graphs intersect each other.

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The dimension of actual plane is 300 inches.

What are ratios?

A ratio is the comparison of quantities which have same parameters or units of measurement.

Why are calculation of ratios significant?

It helps to identify how big or small a quantity is as compared to other thing having same parameter of measurement.

NOTE: Things which have different measurement cannot be compared by ratio;

Example: 1 litre of milk cannot be in ratio with 1 kg of sand, as milk is measured in volume and sand is in weight.

Solution:

Given, ratio of model of plane and actual plane = 1 : 40

           x = 7.5 inches

Let, x be the dimension of model of the airplane

      y be the dimension of actual airplane

Using the formula by equating the ratios,

1/40 = x/y

⇒ 1 x y = 40x

⇒ y = 40 x 7.5

⇒ y = 300 inches

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Answer:

look this up next time..with this said, obtuse

Step-by-step explanation:

We can prove that two right triangles are similar by:

Hypotenuse-Leg (HL) Theorem.

Leg-Acute (LA) Angle Theorem.

Hypotenuse-Acute (HA) Angle Theorem.

Leg-Leg (LL) Theorem.

Two triangles are congruent if they have the same three sides and exactly the same three angles. Two right triangles can be considered to be congruent, if they satisfy one of the following theorems.

Theorem 1 : Hypotenuse-Leg (HL) Theorem :

If the hypotenuse and one leg of a right triangle are equal to the hypotenuse and one leg of another right triangle, then the two right triangles are congruent.

Theorem 2 : Leg-Acute (LA) Angle Theorem :

If a leg and an acute angle of one right triangle are congruent to the corresponding parts of another right triangle, then the two right triangles are congruent.

Theorem 3 : Hypotenuse-Acute (HA) Angle Theorem :

If the hypotenuse and an acute angle of a right triangle are congruent to the hypotenuse and an acute angle of another right triangle, then the two triangles are congruent.

Theorem 4 : Leg-Leg (LL) Theorem :

If the legs of one right triangle are congruent to the legs of another right triangle, then the two right triangles are congruent.

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In the graph of a function there exist a point where function is not defined is known as a hole of a function.

Hole of a function is defined as:

Therefore, the hole of a function is a point where function does not defined only approaches.

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A continuous function is a function that is defined for all values of the independent variable, and its graph has no breaks or jumps. A discontinuous function is a function that is not continuous, meaning there are values of the independent variable at which the function is undefined or has a break or jump in its graph.

A continuous function is a function that can be graphed without any breaks or jumps. This means that the graph of a continuous function is a single, unbroken curve that passes through all its points. Furthermore, a continuous function is defined for all values of the independent variable. This means that the function is defined for all points in its domain. On the other hand, a discontinuous function is a function that is not continuous, meaning there are values of the independent variable at which the function is undefined or has a break or jump in its graph. This means that the graph of a discontinuous function will have jumps or breaks. Furthermore, a discontinuous function is not defined for all values of the independent variable, meaning that there are certain points in the domain for which it is not defined. In conclusion, the main difference between continuous and discontinuous functions is that a continuous function is defined for all values of the independent variable and has no jumps or breaks in its graph, whereas a discontinuous function is not defined for all values of the independent variable and has jumps or breaks in its graph.

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The assumed mean method is used to determine the mean or arithmetic mean of grouped data. If there is a large amount of data available, this method is suggested over calculating the mean directly.

What does the mode mean?

By summing all the numbers in a data collection and dividing by the total number of values in the set, the mean (average) of the data set can be determined.

           A data collection is ordered from least to largest, and the median is the midpoint number. A data set's mode is the number that appears the most frequently.

What are the mean, median, and example?

The most frequent number, or the one that happens the most frequently, is known as the mode.

                   Example: Since the number 2 appears three times, more than any other number, it is the mode of the numbers 4, 2, 4, 3, and 2.

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The Possible rational roots of the equation "x³- x² - 10x - 8 = 0" are x = -1 , x = -2 and x = 4  .

The Rational roots of the equation are defined as the values of the variable such that value of the entire equation becomes 0 .

the function is f(x) = x³- x² - 10x - 8 ,

By the Rational Roots Theorem , we know that is p/q is the root of the equation , then p is a factor of 8 and q is a factor of 1 .

the possible values of p are ±1 , ±2 , ±4 , ±8 , and

the possible values of q are ±1 .

So , the possible rational roots (p/q) are  ±1 , ±2 , ±4 , ±8 .

So , on substituting the all the possible values of the rational roots ,

we get ;

f(1) = (1)³- (1)² - 10(1) - 8 = -18

f(-1) = (-1)³- (-1)² - 10(-1) - 8 = 0

f(2) = (2)³- (2)² - 10(2) - 8 = -24

f(-2) = (-2)³- (-2)² - 10(-2) - 8 = 0

f(4) = (4)³- (4)² - 10(4) - 8 = 0

f(-4) = (-4)³- (-4)² - 10(-4) - 8 = -48

f(8) = (8)³- (8)² - 10(8) - 8 = 360

f(-8) = (-8)³- (-8)² - 10(-8) - 8 = -446.

we get , the value as 0 at x = -1 , -2 and 4 .

Therefore , the possible rational roots are x = -1 , x = -2 and x = 4 .

The given question is incomplete , the complete question is

What are the possible rational roots of x³- x² - 10x - 8 = 0 ?

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The number of terms in the expression 5xy² 3xyz is 1.

Various parts of an algebraic expression , which are separated by + or – are called terms of the algebraic expression.

Calculation:

The given expression 5xy²3xyz.

Step 1: Write down the given expression    

          The given expression is 5xy²3xyz.

Step 2: Find number of terms in the expression

We know that Various parts of an algebric expression , which are separated by + or – are called terms of the algebric expression.

In the expressions the term is 5xy²3xyz.

Hence number of terms in the expression 5xy²3xyz is 1.

The number of terms in the expression 5xy² 3xyz is 1.

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Taking the function given in the question [tex]f(x) = \frac{10}{x^{2} +1}[/tex] , there are no vertical asymptotes since there no any real values for x , which makes the function undefined.

A vertical line that directs the function's graph but is not actually a part of it is called a vertical asymptote. Because it appears at an x-value outside of the function's scope, the graph can never cross it. There may be several vertical asymptotes for a given function.

To calculate the vetical asymptotes of a function simply equate the denominator of the equation to zero , which when solved gives the values of x at which the function is undefined. Thus the obtained values of x are the vertical asymptotes to the given function.

In the given function f(x), let's equate the denominator to zero to find the vertical asymptotes,

[tex]x^{2} +1 =0[/tex]

Solving the above equation, we get

x = [tex]\sqrt{-1}[/tex]

which is imaginary, hence there is no vertical asymptote for the given function.

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Answer:

YZ = 20 cm

Step-by-step explanation:

Δ XYZ and Δ CBA are similar ( AA postulate )

The corresponding sides are then in proportion , that is

[tex]\frac{YZ}{BA}[/tex] = [tex]\frac{XY}{CB}[/tex] ( substitute values )

[tex]\frac{YZ}{8}[/tex] = [tex]\frac{25}{10}[/tex] = 2.5 ( multiply both sides by 8 )

YZ = 8 × 2.5 = 20 cm

Answer: $9.45

Step-by-step explanation:

The first cup is $3.95

2 refills are $1.50 times 2 = $3

A bagel is $3

3.95+3+3 - 0.50 = $ 9.45

Answer:

$9.45

Step-by-step explanation:

add 3.95, 1.50, 1.50, and 3.00, then subtract the $.50 and you get 9.45

Answer:

If you are refering to the 4th in a sequence being 3/5 the first.

3/5, 6/10, 12/20, 24/40

24/40 would be your answer.

If you are looking for 3/5 in 4ths

2.4/4

Answer:

Apple: $2.50

Orange: $1.75

Step-by-step explanation:

Let A represent apples and Y represent Orange

We have equations

9A + 6Y = $33

18A  + 20 Y = $80

Let's find out the cost of oranges first. Multiply the first equation by -2

-18A - 12Y = $-66

18A + 20 Y = $80

8Y = $14

Y = $1.75

Now let's put 1.75 back in the Y to find the cost of apple

18A  + 20(1.75) = $80

18A + 35 = $80

18A = $45

A = $2.50

Answer:2 50

Step-by-step explanation: