Two ocean beaches are being affected by erosion. The table shows the width, in feet, of each beach at high tide measured where 1995 is represented by year 0.

Year number Western Beach width (in feet) Dunes Beach width (in feet)
0 100 20
5 90 45
10 80 70
11 78 75
12 76 80
15 70 95

Describe the patterns shown by the erosion data measurements shown for each of the beaches in the table.
Between which years will the beaches have approximately the same width?
Assuming these rates remain constant, what can you do to get a better approximation of when the two beaches will have the same width?

Answer:

72 minutes

Step-by-step explanation:

you convert the 80% to decimal form so its now 0.80.

then you multiply how long the school play was (90) times the 'percentage' of how long the main character was on the stage (0.80).

90 times .80 is 72.

hope this helped:)

$105

Earnings for 1 hour=165÷11=$15

Earnings for 7 hours=15×7=$105

Answer:

5 to the power of 3 is 125, you get this b/c 5 times 5 is 25 & 25 times 5 is 125.

Answer:

60 inches.

Step-by-step explanation:

There are 12 inches in one foot:

12 x 5 = 60

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Answer:

60 inches

Step-by-step explanation:

(5 feet) = [tex]\frac{12inches}{1foot}[/tex]  The word feet can cancel and you are left with

(5)(12 inches) = 60 inches.

Answer:

Step-by-step explanation:

The function rule g(x) after the given transformations of the graph of f(x)=4x is g(x) = -1/2x

Transformation techniques

Transformation is the process of changing the position of an object on the xy-plane.

Given the parent function

f(x) = 4x

If the function is not reflected over x-axis, the resulting function will be f(x) = -4x

If the resulting function is compressed by a factors of 1/8, hence the final function rule will be;

g(x) = 1/8(-4x)

g(x) = -1/2x

Hence the function rule g(x) after the given transformations of the graph of f(x)=4x is g(x) = -1/2x

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Answer:17.5

Step-by-step explanation: trust me

The linear equation we want to write is:

18*x = 109

And the solution is x = 6.06

Remember that the product between two numbers is just a multiplication A*B.

Here we know that the product of 18 and a number, is 109.

If we define the variable x as the number, then we can write the linear equation:

18*x = 109

Where the product between 18 and x is equal to the number 109.

Now, we want to find the value of x, to do that, we need to divide both sides of the equation by 18, then we will get:

18*x/18 = 109/18

x = 109/18 = 6.06

The solution of the linear equation is 6.06

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Answer:

Your answer is $200

Step-by-step explanation:

[tex]500[/tex] × [tex]0.4 = 200[/tex]

Answer:

60

Step-by-step explanation:

16(3)+12

=48+12

=60

Answer:

60

Step-by-step explanation:

Part A: We can complete the model representing Sage's minutes by putting n and 7 in the box.

Part B: We can complete the model representing Tom's minutes by putting n and 7 in the box

Part C: An algebraic expression to represent the number of minutes Sage has left is S = n - 7, where S equals the remaining talk minutes for Sage and n is the initial number of talk minutes.

Part D. An algebraic expression to represent the number of minutes Tom has left is T = n - 7, where T equals the remaining talk minutes for Tom and n is the initial number of talk minutes.

Part E: Sage and Tom have the same number of talk minutes left on their cell phone plans because they started with the same amount and consumed the same amount at the end of the month.

An algebraic expression is a mathematical expression that consists of variables and constants, along with algebraic operations and equality or inequality symbols.

The basic algebraic operations include addition, subtraction, division, and multiplication.

Thus, algebraic expressions can be used to mathematically model or represent the number of minutes that Sage and Tom have left.

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Using elimination method, the solution of the equation is as follows:

System of equation can be solved using different method such as elimination method, substitution method and graphical method.

Therefore, let's use elimination method to solve the equation as follows;

x + 4y = 22

4x + y = 13

multiply equation (i) by 4 to eliminate variable x.

Therefore,

4x + 16y = 88

4x + y = 13

subtract equation(ii) from equation(i)

15y = 75

divide both sides by 15

y = 5

x = 22 - 4y

x = 22 - 4(5)

x = 22 - 20

x = 2

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Answer:

$6000

Step-by-step explanation:

200 dollars a week

spends 300 dollars every month

200 dollars*4 weeks in a month = 800 a month

800 dollars a month - 300 dollars spent every month = 500 remaining after each month

500 dollars a month remaining*12 months in a year = 6000 dollars left for other expenses in one year.

Hope this helps!

Answer:$6000

Step-by-step explanation:

there are 4 weeks in a month and he makes $200 a week so i multiplied it by 4 which equals $800 then i subtracted $300 for the monthly rent then i multiplied that by 12 and that got me to a total of $6000

Answer:

C (the one under the first graph)

Step-by-step explanation:

if x = 0

3 * 5^0

3 * 1

y = 3

The coordinates of the points of the rectangle are given as follows:

The coordinates of the fourth vertex are given as follows:

(4,1).

The notation of an ordered pair is given as follows:

(x-coordinate,y-coordinate).

Point T is plotted 1 unit right and 4 units up from the origin, hence the coordinate are:

(1,4).

Point P is is plotted 6 units right and 2 units up from the origin, hence the coordinates are:

(6,2).

Point Z is plotted 3 units right and 5 units up from the origin, hence the coordinates are:

(3,5).

The equivalent sides on a rectangle are congruent, hence the equivalent sides are:

TZ and PM.

Hence the missing coordinate M is obtained as follows:

These distances are because these vertical and horizontal distances also are the vertical and horizontal distances from the equivalent side TZ.

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Answer:

2 6\7

Step-by-step explanation:

Solution Error in measurement = 1.8-1.75m =+0.05mPercentage error. = error ÷true value ×100 =+ 0.05÷1.75×100 =+ 5÷1.75 = +20÷7 =+ 2 6\7

The expression (p⁶ +q) + 8 is equivalent to the given expression. which is the correct answer would be an option (C).

The commutative property is associated with mathematical operations such as addition and multiplication. It indicates that switching the order or location of two integers while adding or multiplying them has no effect on the outcome. For example, 4 + 5 gives 9, and 5 + 4 also gives 9.

The expression is given in the question below as

p⁶ + (q + 8)

We have to determine the expression equivalent to the given expression.

As per the given question, we have

⇒ p⁶ + (q + 8)

Using the commutative property of addition, we get

⇒ (p⁶ +q) + 8

Thus, the expression (p⁶ +q) + 8 is equivalent to the given expression.

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Answer:

the answer for the expression -2[5+(-3)] is -4

Answer:

48

Step-by-step explanation:

Start with 2 x 3 to get 6

then take 6 and multiply by -4 which is -24 (The negative stays from the four)

Last, take -24 and multiply by negative 2 to get 48. The negatives cancel out

Answer:

a) [-9,8)

b) [-5,5]

c) (-4,0), (1,6)

d) [-9,-4), (6,8)

e) [0,1]

f) just the y-value: 5;  as a point: (-8,5)

g) just the y-value: -5;  as a point: (-4,-5)

Step-by-step explanation:

a) Domain is all of the x-values that are defined in the function. The smallest x-value in the graph is -9, and the largest is 8. And all values in between are defined (have corresponding y-values). But notice that there's an open dot on (8,0).

b) Range is found the same way as Domain, but with the y-values. The smallest y-value of this function is -5, and the largest is 5.

For c-e, notice where the graph changes direction and draw a vertical line from the x-axis through the turning point. These lines are the boundaries between intervals of increasing/decreasing/constant. You should have vertical lines at x=-4, x=0, x=1, and x=6.

c) Interval(s) on which f(x) is increasing: Reading the graph from Left To Right, between which vertical lines is the graph going up?

d) Interval(s) on which f(x) is decreasing: Reading the graph from Left To Right, between which vertical lines is the graph going down?

e) Interval(s) on which f(x) is constant: Reading the graph from Left To Right, between which vertical lines is the graph staying flat?

f) Look for the highest non-infinity point on the graph

g) Look for the lowest non-infinity point on the graph

The height of the triangle is 4.68 cm and base of the triangle is 21.36 cm.

A triangle is a geometric figure with three edges, three angles and three vertices. It is a basic figure in geometry.

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

Given that,

Base of triangle is twelve more than twice its height.

Also, area of triangle = 50 square centimeters.

Let height of the triangle is x cm,

Therefore, the base of triangle will be 2x+12 cm.

The area of triangle = 50

1/2 × (2x+12) × x = 50

x (x+6) = 50

x² + 6x -50 = 0

By solving the equation,

x = -3 + √59 and -3 - √59

Length can not be negative,

Therefore, x = -3 + √59 or x = 4.68114

Height of triangle = 4.68 cm

Base of triangle = 21.36 cm

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Answer:

False

False

True

Step-by-step explanation:

Knowing that they are traveling 60 miles per hour, 60h is equivalent to how many miles they are traveling. When adding 300 you know that would be the a1 term going along the rules of sequences.

Therefore 60h is the rate of increase.

300 is the miles traveled on the first day.

With this information in mind we can now answer the True and false statements.

1. 5 represents the hours they drove on the first day, therefore 1 is a false statement.

2. 60 represents the mph they are traveling on the second day, therefore 2 is a false statement.

3. 300 represents the miles they traveled on the first day, therefore 3 is a true statement.

Answer:

false

false

true

the person above is correct :)

Answer:

LK = 5

LM ≈ 5.83

KM ≈ 7.28

NOT isosceles

Step-by-step explanation:

L(-7,4)

K(-4,8)

[tex]LK=\sqrt{(-7--4)^{2}+(4-8)^{2}}=\sqrt{(-3)^{2}+(-4)^{2}}=\sqrt{9+16}=\sqrt{25}[/tex]

M(-2,1)

[tex]LM=\sqrt{(-7--2)^{2}+(4-1)^{2}}=\sqrt{(-5)^{2}+(3)^{2}}=\sqrt{25+9}=\sqrt{34}[/tex]

[tex]KM=\sqrt{(-4--2)^{2}+(8-1)^{2}}=\sqrt{(-2)^{2}+(7)^{2}}=\sqrt{4+49}=\sqrt{53}[/tex]

Answer:

255

Step-by-step explanation:

You need the least common multiple (LCD) of 15 and 17.

The prime factorizations of 15 and 17 are

3 × 5

17

Since there are no common factors, the LCM is their product.

15 × 17 = 255

Answer: 255

Answer:

2.475

Step-by-step explanation:

Answer:

2.475

Step-by-step explanation:

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Answer:four-hundred-seventy-six

400+70+6

Step-by-step explanation:

four-hundred-seventy-six

400+70+6

the probability of getting a king or a spade is 30.7%.

What is probability?

Simply put, probability measures how probable something is to occur. The probability formula can be used to calculate the likelihood of an event by simply dividing the favorable number of possibilities by the total number of options. The likelihood of an occurrence might vary from 0 to 1 because the favourable number of outcomes can never be greater than all possible outcomes.

The formula for calculating the probability of an event is

Probability of an event = Favorable outcomes/Total number of outcomes.

Favorable outcomes = 16 {13 spade cards which include one king and the remaining 3 king cards.}

The total number of outcomes = 52.

Probability of choosing a king or a spade= 16/52 = 8/26 = 4/13=0.307

Hence, the probability of getting a king or a spade is 30.7%.

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