Factor.

5x + 25

7m +42

Answer:

C

Step-by-step explanation:

The length of side AB rounded to two decimal places is 16.25.

In a right angle triangle, the side on the base of the angle in question is divided by the hypotenuse. In this case, we can use the cosine ratio to find the length of AB.

We are provided with the following information,

C is the right angle, C= 90°

A= 52°

AC = 10. 01

sin 52° = 0. 788

cos 52° = 0. 616

tan 52° = 1. 280

Now,

since angle C is the right angle, AB is the hypotenuse.

Therefore, with respect to Angle A, AC will be the base and BC will be the perpendicular.

We know, cos x= base/hypotenuse

In this case, cos A = AC / AB

cos 52° = 10. 01/ AB

AB = 10. 01 / 0. 616

AB = 16.25

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One of the most important things to do to protect endangered animals is to reduce the amount of habitat destruction caused by human activities.

This can be done by creating protected areas and limiting or banning activities like logging, mining, or development in sensitive areas. Additionally, it is important to reduce over-hunting and poaching of these animals. This can be accomplished by establishing quotas and strict regulations on allowable hunting and fishing, as well as increasing enforcement efforts to catch violators. It is also important to understand the life cycles and behaviors of the threatened species so that we can better protect them. This can be done through field research, monitoring, and analyzing population trends. Finally, it is important to develop conservation plans and strategies to protect the species. These could include habitat restoration, reintroduction programs, captive breeding, and other measures to ensure their survival.

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The measure of each angle are

The fundamental characteristics listed below make it simple to recognise parallel lines.

Given:

<4 = 134

So, <4 = <2 = 134 (Vertical opposite angle)

<4= <8= 134 (Corresponding Angle)

<1 + <4 = 180 (Linear Pair)

<1 = 180-134

<1 = 46

<1 = <3= 46 (Vertical opposite angle)

<2= <6= 164 (Corresponding Angle)

<3= <7 (Corresponding Angle)

<1= <5 (Corresponding Angle)

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The solution of the given equation is 1.6. It has been represented and solved as a real-world problem below.

The given equation is = - 20 + 2x5 = 4

We can rewrite this equation as = - 4 + 2x5 = 20

Let us suppose that person A has x number of bananas that they have taken out from a stock full of bananas. They continue taking x number of bananas two more times. They then stop and see that person B has already taken 4 bananas from the stock. We can write this equation as -

= 4 + 2x

Person A saw knew that there were 20 bananas in total. So, we can write it as -

= 4 + 2x = 20

Person A then resumed and took x number of bananas again 5 more times. We can rewrite this as -

= 4 + 2x5 = 20

Solving this equation, we get -

= 4 + 10x = 20

= 10x = 20-4 = 16

= x = 16/10

= x = 1.6

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Answer:

4 or 3

Step-by-step explanation:

X³+12X=7X²

X³-7X²+12X=0

X(X²-7X+12)=0

SOLVING THE QUADRATIC EQUATION

you have X=3 or X=4

The distribution of the mean, median, and mode values will depend on how skewed the distribution is. As a result, mean or mode may be larger than or less than mode.

correct answer is D.

Different measures of the center in a set of numerical data include mean, median, and mode. They each attempt to condense a dataset into a single number that may be used to represent a "typical" data point.

The "mean" value is obtained by summing all the data points and dividing the result by the total number of data points.

The middle number, or median, is obtained by placing all data points in order and choosing the middle one (or, if there are two middle numbers, the mean of those two figures).

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The surface area of the triangular prism is 120[tex]cm^2[/tex]

Now, According to the question:

A triangular prism is a polyhedron with a triangle for a base, thus it is a three-sided prism. Given that the triangle has three sides and a height of h, the surface area would be A = Ph + ab where P is the perimeter of the triangle.

We have :

A right triangular prism has a triangular base with legs of 5 centimeters and 12 centimeters and a hypotenuse of 13 centimeters.

Now,

Hypotenuse  = 13

a = 5 cm

b = 12 cm

h = 2 cm

The perimeter of the triangle is the sum of all the sides or:

P = 13 + 5 + 12

P = 30 cm

To get the surface area, substitute the values in the formula below:

A = Ph + ab

A = (30)(2) + (5)(12)

A = 60 + 60

A = 120

Hence, The surface area of the triangular prism is 120[tex]cm^2[/tex]

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The best estimate for the probability of getting tails is given as follows:

C Sue's estimate is best because she throws it more times than Eric.

A probability is obtained as the division of the number of desired outcomes by the number of total outcomes.

For this problem we calculate an experimental probability, as the outcomes are obtained from the previous trials of Eric and Sue.

The higher the number of trials, the closer the experimental probability is to the theoretical probability, meaning that the correct option is given by option C.

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A function that gives the total cost, C in dollars, to be a member of the gym given the number of months, m is C = 7.99m + 30

The table that shows the total cost to be a member of the gym for different numbers of months is:

Number of Months     Total Cost

           3                        $53. 97

          6                         $77. 94

          12                        $125. 88

The rate of change of total cost per month would be,

m = [tex]\frac{77. 94-53. 97}{6-3}\\\\[/tex]

m = 7.99

so, the function for the total cost would be,

C = 7.99m + d          .......(1)

where d is the fixed cost of the gym

For m = 3, C = 53.97

53. 97 = 7.99m + d

53. 97 = 7.99(3) + d

d = 30

So, function (1) would be,

C = 7.99m + 30

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The number of terms in the algebraic expressions are:

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

6y + 14 and 3x³ + 7x² + x - 5

Consider an expression given as

ax + b

The number of terms in the expression is 2 and the terms are ax and b

Using the above as a guide, we have the following:

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Complete question

Identify the number of terms and then the resend themselves for each algebraic expression

6y + 14 and 3x³ + 7x² + x - 5

The shortest route from Ellport to Union Falls using road is 18 miles

An equation is an expression that shows the relationship between numbers and variables.

Pythagoras theorem is used to determine the measure of the sides of a right angled triangle. It is given by:

(hypotenuse side)² = (adjacent side)² + (opposite side)²

The distance from Larksville to Smithfield = 9 + 9 + 6 = 24 miles

The distance from Larksville to Union Falls = 19.5 + 6.5 = 26 miles

Let x represent the distance from Smithfield to Union falls, using Pythaoras:

26² = 24² + x²

x² = 100

x =  10 miles

the distance from Smithfield to Union falls is 10 miles.

Let y be the shortest route from Ellport to Union Falls, using Pythagoras:

y² = 10² + (9 + 6)²

y² = 10² + 15²

y² = 325

y = 18 miles

The distance from Ellport to Union Falls is 18 miles

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By factoring the preceding quadratic equation and then inserting the values of "x," which are -3, -2, -1, 0, 1, 2, 3, 4, 5, the values of "y," which are 12, 5, 0, -3, -4, 3, 0, 5, 12, may be found.

First, factorize the given quadratic equation before completing the table.

Now, the values of "x" according to the given table are:

x = -3, -2, -1, 0, 1, 2, 3, 4, 5

Add the expression x=-3 to the equation (1).

y = (-3-3)(-3+1)

y = 12

Add the expression x=-2 to the equation (1).

y = (-2-3)(-2+1)

y = 5

Put x=-1 as a value in the equation (1).

y = (-1-3)(-1+1)

y = 0

Put x=0 as the value in the equation (1).

y = (0-3)(0+1)

y = -3

Put x=1 as the value in the equation (1).

y = (1-3)(1+1)

y = -4

Put x=2 as a value in the equation (1).

y = (2-3)(2+1)

y = -3

Add the expression x=3 to the equation (1).

y = (3-3)(3+1)

y = 0

Add the expression x=4 to the equation (1).

y = (4-3)(4+1)

y = 5

Add the expression x=5 to the equation (1).

y = (5-3)(5+1) y = 12

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The new value = 340 + (19% × 340)

The actual change = The new value - 340

"Information available from the question"

340 increased by 19%

To write in mathematically:

The value of the percentage increase = 19% × 340

The new value = 340 + The value of the percentage increase

The new value = 340 + The value of the percentage increase

= 340 + (19% × 340)

= 340 + 19% × 340

= (1 + 19%) × 340

= (100% + 19%) × 340

= 119% × 340

= 119 ÷ 100 × 340

= 119 × 340 ÷ 100

= 40,460 ÷ 100

= 404.6

The actual change = The new value - 340

                              = 404.6 - 340

                              =  64.6

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The operation of 1 * (-1) * 2 equals option D. 2.

Binary operations are the operations which are performed on a specific set.

If the operation is defined on a set X, then binary operation can be defined as,

* : X * X → X.

Addition, subtraction, ... are some of the binary operations.

The given binary operation is defined as,

a * b * c = [tex]a^b-b^c+c^a[/tex]

We have to find the value of 1 * (-1) * 2.

By the definition,

1 * (-1) * 2 = [tex]1^{-1}-(-1)^{2}+2^1[/tex]

              = 1 - 1 + 2

              = 2

Hence the correct option is D.

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The series converges to 16 * 3 = 48

A number series is a continues chain of number identical of non-identical depending on the logic behind the series. It can contain letters, number, variable, fraction, and numbers with power or exponents.

The series converges.

This series is in the form of 16 * (1 + 1/3 + 1/9 + 1/27 + ...)

The series 1 + 1/3 + 1/9 + 1/27 + ... is a geometric series with a common ratio of 1/3.

A geometric series converges if |r| < 1, where r is the common ratio. In this case, |1/3| < 1, so the series converges to lim (1/(1-1/3)) = 3.

So the series converges to 16 * 3 = 48

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The slope is 2, which equals the distance travelled each hour. The total distance hiked at the start of the second day is represented by the y-intercept, which is 4, which is also the y-value. intercept's

We locate the rise/run before calculating the slope. Since the line increases by 2 between each point, the rise is 2. It travels over 1 between the points, hence the run is 1. The slope is now 2/1, or 2.

Given that it is rise/run, this gives us miles/hours, which indicates the number of miles she treks per hour.

The line's crossing of the y-axis is known as the y-intercept. At four, this is.

The fact that the y-value at this time is 4 and the x-value at this point is 0 tells us that she has trekked 4 miles in the 0 hours since the start of the second day, which is the distance she has covered so far.

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The range would be; [75,212] and the greatest one is around 212.5. .5] a domain and a range.

The domain of a function is defined as the set of all the possible input values that are valid for the given function.

The range of a function is defined as the set of all the possible output values that are valid for the given function.

Recall this by saying "DoLaR RiBiT," where "DoLaR" stands for "domain," "L" and "R" stand for "left to right," "R" stands for "range," and "B" and "T" stand for "bottom to top," and "R" stands for "range."

Since we can see that the function doesn't approach 250,  in the graph, 250 is not inside the range.

Between the minimum and greatest value are the numbers that make up the range. The range would be; [75,212] because the lowest Y value is 75 and the greatest one is around 212.5. .5] a domain and a range.

The collection of values that can be substitute into a function's domain are called its parameters.

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8) The Length of major arc MQN is; ⁵/₄πr

Length of minor arc MPN is; ³/₄πr

9) Length of major arc HJK is; ¹³/₁₅πr

Length of minor arc MPN is; ⁴/₁₅πr

The formula that is used to find the length of an arc is;

L = (θ/360) * 2πr

where;

L is length of arc

θ is central angle

r is radius

8) We are not given the radius and as such;

Length of major arc MQN = (225/360) * 2πr

= ⁵/₄πr

Length of minor arc MPN = ((360 - 225)/360) * 2πr

= ³/₄πr

9) Length of major arc HJK = (312/360) * 2πr

= ¹³/₁₅πr

Length of minor arc MPN = ((360 - 312)/360) * 2πr

= ⁴/₁₅πr

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Step-by-step explanation:

this creates a right-angled triangle 2.5 ft above the ground.

the string is the Hypotenuse (the side opposite to the 90° angle). the air distance to the height of the kite is one leg, and the height of the kite minus the 2.5 ft is leg 2.

in the trigonometric triangle the up/down side is sine (multiplied by the Hypotenuse or radius of the circle) of the angle at the center of the circle. and the left/right side is cosine (again multiplied by the Hypotenuse or radius) of the angle.

so, the height of the kite above ground is

105×sin(28°) + 2.5 = 51.79451409... ≈ 51.79 ft.

The expression representing the total amount paid by Joshua at the register is 1.007x dollars.

We have,

To represent the total amount that Joshua paid at the register, we need to account for the following steps:

- Applying the 5% discount to the original price x:

Discount = 5% of x = 0.05x

Calculating the price after the discount:

Price after discount = x - Discount = x - 0.05x = 0.95 x

Adding the 6% tax to the discounted price:

Tax = 6% of the discounted price = 0.06 x (0.95x)

The expression for the total amount that Joshua paid at the register:

Total amount paid

= Price after discount + Tax

= 0.95 x + 0.06 (0.95 * x)

Simplifying the expression:

Total amount paid = 0.95x + 0.057x

Total amount paid = 1.007x

Thus,

The expression representing the total amount paid by Joshua at the register is 1.007x dollars.

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The degree measure of the sector is θ = 180°

We know that the area of a sector is nothing but the area inside the section of the circle created by two radii and an arc.

The formula for the area of a sector of the circle is:

area of a sector = [tex]\frac{\theta}{360} \times \pi \times r^2[/tex]

where θ is the central angle measure in degrees

And πr² is the area of the circle

Here, the area of a sector of the circle A = 32π cm²

and the area of a circle (πr²) =  64π cm²

Using above formula of the area of a sector of the circle,

[tex]A=\frac{\theta}{360} \times \pi \times r^2\\\\32\pi=\frac{\theta}{360} \times \pi \times r^2\\\\32\pi=\frac{\theta}{360} \times 64\times \pi\\\\\theta=\frac{360}{2}\\\\ \theta=180^{\circ}[/tex]

Therefore, the central angle associated to that sector is 180°

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Answer:

Slope is 3.5

There is a proportional relationship between the variables x and y

The other statements are false.

The slope is 3.5, not 7

A linear relationship is the same a proportional relationship so statement 4 is always false

The graph does pass through (0, 0)

Step-by-step explanation:

Consider the first 2 pairs of coordinates, (2, 7) and (6, 21);

The increase in x is from 2 to 6, i.e. an addition of 4, the increase in y is from 7 to 21, i.e. an addition of 14;

Now consider the the 2nd and 3rd pairs of coordinates, (6, 21) and (8, 28);

The increase in x is from 6 to 8, i.e. an addition of 2, the increase in y is from 21 to 28, i.e. an addition of 7;

So, with the first 2 pairs of coordinates, an increase of 4 in x resulted in an increase of 14 in y and with the second 2 pairs of coordinates, an increase of 2 in x resulted in an increase of 7 in y, i.e. (+4, +14) and (+2, + 7);

2 × (+2, +7) = (+4, 14)

Or:

(+4, +14) ÷ 2 = (+2, +7)

This means a line from the 1st point to the 2nd point and a line from the 2nd point to the 3rd point will have the same gradient:

To find the slope simple, find the increase in y resulting from an increase of 1 in x, so:

(+2, +7) ÷ 2 = (+1, +3.5)

The gradient (or slope) is 3.5;

If there is a line with a fixed gradient that passes through all the points, then the relationship is proportional, also linear;

This is the case for this question;

If we follow the pattern backwards as well, so the point:

(2, 7) - (+2, +7) = (0,0)

This means (0,0) lies on the line.

(0,0), (2, 7), (4, 14), (6, 21), (8, 28), (10, 35), (12, 42), (14, 49), etc.

All these points would lie on the line, just add 2 to x, add 7 to y;

You would find the same points plus others by the rule, add 1 to x, add 3.5 to y.

Number of boys in Mandy’s science class is 5.

Now, According to the question:

The ratio of boys to girls in Mandy’s mathematics class is 3 to 12.

This ratio is the same in Mandy’s science class,

There are 20 girls.

To find the how many boys are there in Mandy’s science class?

Based on the given condition:

Let the ratio be 3x and 12x

Now, According to the statement:

12x = 20

x = 20/12

x = 5/3

So, Number of boys = 3 × 5/3 = 5

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When the line passes through two points as shown, the slope is 11/3.

The slope or gradient of a line in mathematics is a number that describes both the direction and the steepness of the line. The slope of a line indicates its steepness. Slope is calculated mathematically as "rise over run" (change in y divided by change in x). The slope is a numerical value that describes the steepness of a line and is typically calculated by dividing the vertical distance by the horizontal distance (rise over run) between two points.

Here,

m=3

m=(y2-y1)/(x2-x1)

3=(y+5)/(-3+(2))

-3=y+5

y=-8

The value of slope is 11/3 when the line is passing through 2 points as given.

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Answer:

yes

Step-by-step explanation:

when y equals 0, x equals 0 also

y = x will produce a straight line passing through the point of origin (0,0)

The percent of Carmela's gross pay that is her take-home pay is 75%

Carmela's gross pay is $784.25

Her total deductions is $191.17

Therefore the percent of her gross pay can be calculated as follows

The first step is to subtract the deductions from the gross pay

784.25 - 191.17

= 593.08

The percent of the gross pay that is take-home pay is

593.08/784.24 × 100

= 0.75 × 100

= 75%

Hence 75% of her gross pay is take-home pay

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A unit can be used for measurement, and is commonly found in mathematics to describe length, size, etc.

Because we are dealing with different units here, we first would need to know how many inches are in one foot.

1 foot = 12 inches

Now that we know how many inches are in a foot, we can convert the length and width of the room from feet to inches.

6 feet = 72 inches

10 feet = 120 inches

Taking these numbers, we now need to figure out the area of the floor.

72 × 120 = 8640

Now, find the area of each tile.

6 × 8 = 48

Taking 8640, we can now divide that by 48 to get the number of tiles needed.

8640 ÷ 48 = 180

Therefore, 180 tiles are needed to cover the floor.

The estimated mean score is given as follows:

19.12.

The mean of a data-set is obtained as the sum of all observations in the data-set divided by the number of observations.

For each score, we consider it to be the mean of each interval in the frequency table, hence the sum of all scores is given as follows:

4 x 19 + 9 x 14 + 13 x 15 + 18 x 28 + 28 x 10 + 43 x 13 = 1740.

The total number of scores is of:

19 + 14 + 15 + 20 + 10 + 13 = 91.

Hence the mean score is obtained as follows:

1740/91 = 19.12.

The frequency distribution for this problem is given as follows:

1-7:19

8-10:14

11-15:15

16-20:20

21-35:10

36-50:13

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