Which value is the best approximation for the range in ages for the oldest 25% of viewers?

4
6
15
20

Answer:

$5.92

Step-by-step explanation:

1.6 lbs. + 2.4 lbs. = 4 lbs.              

4 x 1.48 = 5.92

Since it doesn't specify whether the oranges and apples cost differently you can add both of them. Then you multiply it by 1.48 because that's the cost per pound.

The value of 9 and a half will be 9 1/2.

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both.

In this case, addition, subtraction, multiplication, and division are all possible mathematical operations. As an illustration, the expression x + y has the terms x and y with an addition operator between them.

Here, we want to find the value of 9 and half. This will be:

= 9 + 1/2

= 9 1/2

The value is 9 1/2.

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Considering the expression in this problem, it is found that:

a) The part of the expression that gives the amount of taxes that has to be paid is: 0.096(14f).

b) The expression would be of: C(f) = 15f + 0.096(15f).

The expression for the total cost in this problem is presented as follows:

C(f) = 14f + 0.096(14f).

The meaning of each term is given as follows:

If the cost per square foot was of $15 instead of $14, the complete expression would be as follows:

C(f) = 15f + 0.096(15f).

That is, the two instances of 14 in the equation were replaced by 15.

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The angle that the ramp makes with the ground rounded off to two decimal places is 10.48°.

What is trigonometry?
The study of the relationship between the sides and angles of the right-angle triangle is essentially the focus of the field of mathematics known as "trigonometry". Therefore, employing trigonometric formulas, functions, or trigonometric identities can be helpful in determining the missing or unknown angles or sides of a right triangle. Angles in trigonometry can be expressed as either degrees or radians.

Given, the length of the ramp = h = 17 feet
Height at which ramp is placed on truck = p = 4 feet
Let the angle that the ramp makes with the ground = ∅
Taking the length and height of ramp as basis, on assuming a right triangle with the length as hypotenuse and the height as perpendicular, we have:
sin ∅ = Perpendicular/Hypotenuse = h / p = 17/4 = 4.25
⇒ ∅ = sin⁻¹ (4.25) ⇒ ∅ = 10.48°
Thus, the angle that the ramp makes with the ground rounded off to two decimal places is 10.48°.

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Answer:

a)A=4B

b)A=20

c)B=9

If it is directly proportional it means that A=kB.

you can substitute the numbers to find k.

12=k3

k=4

so the formula is A=kB.

For part b and c it is just substitution

Out of the next 5 visitors, 2 will be asked to attempt the survey. (A) yes, because 2 out of 5 is equal to 40%.

It is given the probability that the randomly selected person is asked to participate in an online survey is 0.4

This means that there is a 40% chance of a visitor being asked to join the survey.

Probability of an event = no. of favorable outcomes / total no of outcomes

P(E) = n(E) / n

Therefore, if the number of visitors to the website is 5,

n = 5

P(E) = 0.4

Hence,

n(E) / 5 = 0.4

or, n(E) = 0.4  X  5

or, n(E) = 2

Therefore, out of the next 5 visitors, 2 will be asked to participate in the survey.

Correct Question

The probability that a randomly selected visitor to a certain website will be asked to participate in an online survey is 0.40. Avery claims that for the next 5 visitors to the site, 2 will be asked to participate in the survey. is Avery interpreting the probability correctly?

(A) yes, because 2 out of 5 is equal to 40%.

(B) yes, because participants in the survey are selected at random.

(C) no, because there could be voluntary response bias.

(D) no, because only 40% of all people will visit the site.

(E) no, because 0.40 represents probability in the long run over many visits to the site.

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Answer:

0.302

Step-by-step explanation:

Answer: 0.302

Step-by-step explanation:

Answer:

Jacob was able to determine there was a problem with the specifications of the triangular sail because of the Pythagorean theorem.

Step-by-step explanation:

Assume the triangular sail is a right triangle.

The Pythagorean theorem says: [tex]A^{2} + B^{2} = C^{2}[/tex]

If A = 4.8, B = 2.5, and C = 7.5, then [tex]4.8^{2} + 2.5^{2} = 7.5^{2}[/tex].

[tex]4.8^{2} + 2.5^{2} = 23.04 + 6.25 = 29.29[/tex]

[tex]7.5^{2} = 56.25[/tex]

In conclusion, [tex]29.29 \neq 56.25[/tex], so there is a problem with the sail.

The total number of points scored by the other 7 team members in Euclid high school's last basketball game is 11.

For the given question.

Let 't' be the total points scored.

Alexa = 1/4 t.

Brittany = 2/7 t

Chelsea = 15

Let 'x' be the points scored by remaining 7 team.

Thus, the two variable equation becomes.

1/4 t +  2/7 t + 15 + x = t   .....eq 1

Where, x ≤ 14 ( for 7 terams)

Simplifying eq 1.

15 + x = 13/ 28 t

28x + 28 = 13 t

Now, t must be divisible by 28.

Let t = 28 u, u ≥ 0 and divisible by 28.

Thus,

x + 15 = 13u.

Then, u = 2( t = 56) has been the only candidates for which x = 11.

Thus, the total number of points scored by the other 7 team members is 11.

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Pineapple originally gather is 27

Quadratic equations are what?

An algebraic equation of the second degree in x is a quadratic equation. The quadratic equation is written as ax2 + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term.

Step-by-step explanation:

Working Backward strategy

Remaining Pineapple = 3
[tex]\frac{2}{3}x+3=x[/tex]
x=9
Remaining Pineapple now = 9

ATQ  [tex]\frac{1}{4}x+9=x[/tex]

x = 12
Remaining Pineapple now = 12
ATQ  [tex]\frac{x}{3}+12=x\\[/tex]
x=18
Remaining Pineapple now =18
ATQ    [tex]\frac{x}{3}+18=x[/tex]
x=27
hence The ans is 27

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The identification of the missing angles and their congruency names are;

a. ∠4 and ∠7 = Consecutive interior

b. ∠2 and ∠11 = alternate exterior angles

c. ∠12 and ∠16 = corresponding angles

d. ∠8 and ∠13 = alternate interior angles

e. ∠11 and ∠15 = corresponding angles

f. ∠7 and∠10 = none

g. ∠1 and ∠14 = alternate exterior angles

h. ∠12 and ∠15 = Consecutive interior

i. ∠6 and ∠7 = none

j. ∠1 and ∠3 = corresponding angles

k. ∠12 and ∠16 = corresponding angles

l. ∠6 and ∠15 = alternate exterior angles

m. ∠5 and ∠10 = alternate interior angles

n. ∠8 and ∠14 = corresponding angles

Corresponding angles are defined as the angles which are formed in corresponding corners with the transversal in a case where two parallel lines are intersected by any other line.

Alternate interior angles are defined as the angles formed when a transversal intersects two coplanar lines.

Alternate exterior angles are defined as the pair of angles that are formed on the outer side of the parallel lines but on the opposite side of the transversal.

Therefore, the angles given can be classified similarly using the image as:

a. <4 and <7 are Consecutive interior angles

b. <2 and <11 are alternate exterior angles

c. <12 and <16 are corresponding angles

d. <8 and <13 are alternate interior angles

e. <11 and <15 are corresponding angles

f. <7 and <10 are none

g. <1 and <14 are alternate exterior angles

h. <12 and <15 are Consecutive interior

i. < 6 and <7 are none

j. <1 and <3 are corresponding angles

k. <12 and <16 are corresponding angles

l. <6 and <15 are alternate exterior angles

m. <5 and <10 are alternate interior angles

n. <8 and <14 are corresponding angles

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Answer:

Step-by-step explanation:

Given the graph, the vertex does not exist and the transformations from are

The graph represents the given parameter

In the above graph, we can see that the graph is a cubic function

By definition, cubic functions do not have vertex. This is because they have no minimum or maximum

So, we can conclude that the graph has no vertex

In (a), we have

We can see that the graph is a cubic function

This function is represented as

y = ∛x

In this graph, we can see that the graph is 4 units to the left

i.e. y = ∛(x - 4)

And 2 units below the origin

i.e. y = ∛(x - 4) + 2

So, the transformation is (b) and (c)

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Answer:

Step-by-step explanation:

Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72

Factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90

The six frequent factors between 72 and 90 are 1, 2, 3, 6, 9, and 18.

Consequently, 18 is the number that links 72 and 90 most frequently.

Round 31.24 to 1 decimal place:

31.2

Answer:31.2

Step-by-step explanation:

you remove the 4 because it is less than 5.

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Answer:

Step-by-step explanation:

Yes, of course!

A parabola's direction is based on whether its "a" value is positive or negative and whether it is opening vertically or horizontally (y= or x =)!

I eat pizza or drink bottled water, for example, is a symbolic representation of the following statement.

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According to the statistics presented in the bar graph of responders of four locations per 40 potential customers, the average number of places chosen per potential client is 2.5.

We are given;

Total number of potential customers =40

From the bar graph number of respondents are following;

At grocery stores = 40

At drugstores respondents = 32

At health food stores = 8

At big box stores = 20

So,

The average number = Total number of respondents / Total number of potential customers

The average number = (40 + 32 + 8 + 20) / 40

The average number = (100) / 40

The average number = 2.5

Thus, according to the statistics presented in the bar graph of responders of four locations per 40 potential customers, the average number of places chosen per potential client is 2.5.

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Answer:

  $7

Step-by-step explanation:

You want the cost of a shirt when the cost of 21 shirts plus a $40 setup fee is $187.

The total cost of the order is the sum of the setup fee and the extended cost of the shirts.

  cost = (setup fee) + (number of shirts) × (cost per shirt)

  187 = 40 + 21 × (cost per shirt)

Subtracting 40 gives ...

  147 = 21(cost per shirt)

Dividing by 21, we have ...

  7 = cost per shirt

Each T-shirt costs $7.

The value of v as required to be solved for in the task content is; 47.

It follows from the complete task content that a right triangle in which case the angle measures are; 50°, (v - 7)° and 90° is to be solved for variable v.

Recall from triangle geometry that the algebraic sum of angles in a triangle is; 180°.

Therefore, we have;

50° + (v - 7)° + 90° = 180°

v - 7 + 140 = 180

v = 180 - 140 + 7

v = 47.

On this note, the value of variable, v as required to be determined is; 47.

Completed question; The complete question is such that a right triangle with two other angles 50° and (v - 7)° is given.

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The number of degrees of freedom for the chi-square goodness-of-fit test is of:

2.

The number of degrees of freedom for a chi-square goodness-of-fit test is obtained according to the multiplication presented as follows;

df = (r - 1) x (c - 1).

In which the variables are listed as follows:

The table in this problem has three rows, given as follows:

The table has two columns, which are given as follows:

Hence the number of degrees of freedom of the test is given as follows:

df = (3 - 1) x (2 - 1) = 2 x 1 = 2.

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The given function is strictly decreasing in interval (−∞, 4) & trictly increasing in interval  (4, −∞).

What is an increasing and decreasing functions?

For a given function, y = F(x), the function is known as an increasing function if the value of y increases as the value of x increases, and the function is known as a decreasing function if the value of y decreases as the value of x increases.

We have,

[tex]\frac{5}{512}\left(x-4\right)^2\left(x-8\right)\left(x-10\right)\left(x^2+16\right)[/tex]

[tex]\frac{d}{dx}\left(\frac{5}{512}\left(x-4\right)^2\left(x-8\right)\left(x-10\right)\left(x^2+16\right)\right)[/tex]

[tex]=\frac{5}{512}\frac{d}{dx}\left(\left(x-4\right)^2\left(x-8\right)\left(x-10\right)\left(x^2+16\right)\right)[/tex]

[tex]f'(x)=\left(x-4\right)^2,\:g=\left(x-8\right)\left(x-10\right)\left(x^2+16\right)[/tex]

[tex]=\frac{5}{512}\left(\frac{d}{dx}\left(\left(x-4\right)^2\right)\left(x-8\right)\left(x-10\right)\left(x^2+16\right)+\frac{d}{dx}\left(\left(x-8\right)\left(x-10\right)\left(x^2+16\right)\right)\left(x-4\right)^2\right)[/tex][tex]=\frac{5}{512}\left(2\left(x-4\right)\left(x-8\right)\left(x-10\right)\left(x^2+16\right)+\left(4x^3-54x^2+192x-288\right)\left(x-4\right)^2\right)[/tex]

[tex]f'(x)=\frac{5\left(x-4\right)\left(3x^4-53x^3+300x^2-816x+1856\right)}{256}[/tex]

The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace y with 0 and solve for x.

x = 4, 4i, −4i, 10, 8

∴ f′(x) = 0  

   x = 4,

Now, the point 4 divides the real line into two disjoint intervals i.e., (−∞, 4) and (4, −∞)

In interval (−∞, 4),  f′(x) < 0

Hence, the given function (f) is strictly decreasing in interval (−∞, 4)

​

In interval (4, −∞),  f′(x) > 0

Hence, the given function (f) is strictly increasing in interval  (4, −∞)

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​

Answer:

Option A

Step-by-step explanation:

→ Multiply both sides by 2

2s = a + b + c

→ Minus b and c from both sides

2s - b - c = a

As RS=TU and ST=UR by distance formula, The given quadrilateral RSTU is rectangle and The diagonals RT=US so they are equal and bisect each other at right angle.

A quadrilateral with parallel sides that are equal to one another and four equal vertices is known as a rectangle. It is also known as an equiangular quadrilateral for this reason. Rectangles can also be referred to as parallelograms because their opposite sides are equal and parallel. An enclosed 2-D shape called a rectangle has four sides, four corners, and four right angles (90°). A rectangle has equal and parallel opposite sides. A rectangle has two dimensions—length and width—because it is a two-dimensional shape. The rectangle's longer side is its length, and its shorter side is its width.

Here,

Calculate the length of sides by distance formula.

RS=√(y2-y1)²+(x2-x1)²

=√(2-4)²+(-2-2)²

=√4+8

=√(12

=2√3 units

ST=√(y2-y1)²+(x2-x1)²

=√(0-2)²+(-1-(-2))²

=√(4+1)

=√5 units

TU=√(y2-y1)²+(x2-x1)²

=√(2-0)²+(3-(-1))²

=√(4+8)

=√12

=2√3 units

UR=√(y2-y1)²+(x2-x1)²

=√(4-2)²+(3-2)²

=√(4+1)

=√5 units

RT=√(y2-y1)²+(x2-x1)²

=√(0-4)²+(-1-2)²

=√(16+9)

=√25

=5 units

US=√(y2-y1)²+(x2-x1)²

=√(2-2)²+(-2-3)²

=√(0+25)

=√25

=5 units

Because the given quadrilaterals, RS=TU and ST=UR, are rectangles and the diagonals, RT=US, are equal and at right angles to one another, according to the distance formula.

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Answer:

Step-by-step explanation:Answer: 108,000m/h (108km/h or 30m/s)

Answer:

We may use the logarithm formula,

N = ln(EV/SV) ÷ ln(1+r), where (1+ r) is the value of 1 plus interest for 1 year.

EV is end value, SV is start value.

EV is 20000, SV is 12000, interest is 5.6% semi annual

(1+r) is obtained as,

Step-by-step explanation:

Answer:

y=-1/5x+3

Step-by-step explanation:

I think this the answer

Answer:

y = -1/5x - 3

Step-by-step explanation:

→ Find the x intercept

( - 15 , 0 )

→ Find y intercept

( 0 , -3 )

→ Find gradient

y = -1/5x + c

→ Substitute coordinate pair in

y = -1/5x - 3

Answer:

6

Step-by-step explanation:

-1^2-3(5)+20

1-15+20

1+5

6

hopes this helps

The description of the motion of the ant which is a geometric series is as follows;

a) After covering 63/32 meters, the ant will have made 6 turns

b) The distance the ant will eventually travel is 2 meters

Geometric series is an infinite sum of terms in which the ratio between consecutive terms is a constant.

The distances traveled by the ant is a geometric progression of the form;

The sum of the distance is given by the sum of the geometric progression as follow;

[tex]S_n = \dfrac{a\cdot \left(1 - r^n \right)}{(1 - r)}[/tex]

Where;

aₙ = The distance traveled in the nth turn

Sₙ = The sum of the distances

a = The first term = 1 meter

r = The value of the common ratio = 0.5 meter ÷ 1 meter = 0.5

a) The number of turns the ant will have made after covering a distance of 63/32 meters is therefore;

[tex]S_n =\dfrac{63}{32} = \dfrac{1\times \left(1 - 0.5^n \right)}{(1 - 0.5)}[/tex]

31.5 = 32 × (1 - 0.5ⁿ)

32 × 0.5ⁿ = 32 - 31.5 = 0.5

0.5ⁿ = 0.5 ÷ 32

n = ln(0.5 ÷ 32) ÷ ln(0.5) = 6

b) The distance the ant travels eventually is given by the formula for the sum to infinity of a geometric progression as follows;

[tex]S_{\infty} = \dfrac{a}{1-r}[/tex]

Which gives;

[tex]S_{\infty} = \dfrac{1}{1-0.5} = 2[/tex]

The distance the ant eventually travels is 2 meters

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