If the person in the figure wants his shadow to be 3 feet long, Then he should move to right for 11/3 feet distance.
What is Triangle?A triangle is a three-sided polygon that consists of three edges and three vertices.
In this problem Triangle ADF is similar to Triangle
by AA Similarity Theorem
15/6=(10+ED)/ED
Apply cross multiplication
15ED=6(10+ED)
15ED=60+6ED
Subtract 6 ED from both sides
9ED=60
ED=60/9
ED=20/3 ft.
ED is the length
He should move to the right x feet
x=20/3-3
x=11/3 feet
Hence, he should move to right for 11/3 feet distance.
To learn more on Triangles click:
https://brainly.com/question/2773823
#SPJ2
Determine whether the number could be the probability of an event. Explain your reasoning. − 0 . 25
Answer:
So the answer is NO, the probability of an event cannot be -0.25.
Step-by-step explanation:
i) The probability or likelihood of an event cannot be negative or less than zero.
ii) The probability of an event cannot be greater than 1.
iii) If the probability of an event is 0 then the event did not or does not happen
iv) If the probability of an event is one then the event did or does happen with 100% certainty.
v) If the probability is between 0 and 1 then the event occurs wit a certainty that is less than 100%.
vi) So the answer is NO, the probability of an event cannot be -0.25.
Final answer:
The number -0.25 cannot represent the probability of an event because probability values must be between 0 and 1, and negative values are not within this range.
Explanation:
The number -0.25 cannot be the probability of an event. In probability theory, the value assigned to the likelihood of an event occurring must be within a certain range, specifically between 0 and 1, inclusive.
A probability of 0 denotes an impossible event, whereas a probability of 1 represents an event that is certain to occur. Since -0.25 is a negative number, it falls outside of this acceptable range, therefore it cannot represent the probability of an event occurring in any valid probability distribution.
I REALLY NEED HELP!!! I WILL MARK BRAINLIEST TO WHOEVER GETS IT FIRST!!!
You make 3 quarts of tomato sauce from two baskets of tomatoes. How much tomato sauce can you make from five baskets of tomatoes
Answer:
7.5 quarts
Step-by-step explanation:
2 baskets ------> make 3 quarts
1 basket ---------> makes 3/2 quarts
5 baskets -------> makes 3/2 x 5 = 15/2 = 7.5 quarts
The problem involves calculating ratios or proportional relationships. We find from a known ratio that 2 baskets yield 3 quarts of tomato sauce, and using cross-multiplication, we determine that 5 baskets would produce 7.5 quarts of tomato sauce.
Explanation:This is a ratio problem. Here, we see that 2 baskets of tomatoes yield 3 quarts of tomato sauce. Hence, the ratio of baskets to quarts is 2:3. Likewise, if we increase the number of baskets to 5, the amount of tomato sauce will also increase according to the ratio. To determine how much sauce that would be, use the principle of equivalent ratios, also known as cross-multiplication.
So, (2 baskets / 3 quarts) = (5 baskets / x quarts), where x is the quantity of sauce from 5 baskets. By cross-multiplying and simplifying, you get x = (5 baskets * 3 quarts) / 2 baskets, which simplifies to x = 7.5 quarts.
So, you can make 7.5 quarts of tomato sauce from 5 baskets of tomatoes.
Learn more about Ratio and Proportions here:https://brainly.com/question/26974513
#SPJ12
a:b=5:3 find the value of 3a+4b:5a+2b
Yo sup??
a:b=5:3
a/b=5/3
a=5x
b=3x
3a+4b:5a+2b
=15x+12x:25x+6x
=27x:31x
=27:31
Hope this helps.
Answer:
Step-by-step explanation:
a:b=5:3 the value of 3a+4b:5a+2b
(3*5)+(4*3):(5*5)+(2*3)
15+12:25+6
=27:31
15 POINTS!
IMAGE ATACHED
Answer:
Step-by-step explanation:
T think its the 3rd option down
Answer:
b
Step-by-step explanation:
Expand 64 and then solve.
answer will be 6400tftfftfttfft
[tex]\text{Hey there!}[/tex]
[tex]\text{Expanded formed would be the number expanded into an addition equation}[/tex]
[tex]\text{Here is a(n) example: 699 would be expanded as 600 + 90 + 09 = 699}[/tex]
[tex]\text{Now we know what expanded is and what it should look like similar, to}\\\text{we can answer your question}[/tex]
[tex]\boxed{\bf{\underline{60 + 04}}}\leftarrow\bf which\ would\ be\ converted\ to\ 64}[/tex]
[tex]\boxed{\boxed{\mathsf{Answer: 60 +04}}}\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{LoveYourselfFirst:)}[/tex]
What's the common denominator for 3/8 and 3/10?
[tex] {x}^{2} - 5x + 6 = 0 \: \: the \: numbers \: a \: lies \: between \: the \: roots[/tex]
Answer:
x is either 2 or 3
Step-by-step explanation:
[tex] {x}^{2} - 5x + 6 = 0 [/tex]
(x-3)×(x-2) = 0
x- 3 = 0 ➡x = 3
x -2 = 0➡ x = 2
There are 4000 sheets of paper in 8 reams. Which of the following expresses the ratio of sheets of paper to reams in simplest form?
A.
1 to 500
B.
1:500
C.
4000 to 8
D. 500 to 1
500 : 1 expresses the ratio of sheets of paper to reams in simplest form ⇒ D
Step-by-step explanation:
The given is:
There are 4000 sheets of paperThere are 8 reamsWe need to find the ratio between the sheets of paper to the reams in simplest form
∵ The number of the sheets is 4000
∵ The number of the reams is 8
→ sheet : ream
→ 4000 : 8
to simplify the ratio divide the two terms by the same number
∵ 4000 ÷ 2 = 2000 and 8 ÷ 2 = 4
∵ 2000 ÷ 2 = 1000 and 4 ÷ 2 = 2
∵ 1000 ÷ 2 = 500 and 2 ÷ 2 = 1
∴ 4000 and 8 can be divided by 8 to get the simplest form
of the ratio
→ sheet : ream
→ 4000 ÷ 8 : 8 ÷ 8
→ 500 : 1
∴ The ratio of sheets to reams is 500 : 1
500 : 1 expresses the ratio of sheets of paper to reams in simplest form
Learn more:
You can learn more about the ratio in brainly.com/question/4302397
#LearnwithBrainly
50 pounds to 35 pounds
Step-by-step explanation:
I think that you are interested in finding the ratio between given quantities. If yes then let us find.
[tex]50 \: pound : 35 \: pound \\ = \frac{50}{35} \\ = \frac{5 \times 10}{5 \times 7} \\ = \frac{10}{7} \\ = 10 : 7[/tex]
How many integers between 10 and 50 (inclusive) meet the following conditions? 1. The sum of the digits is odd. 2. The number is a perfect square.
a) 3
b) 4
c) 5
d) 6
There are only a handful of perfect squares in the given range: 16, 25, 36, and 49
The sum of their digits wil be odd if one digit is odd and the other is even, which is the case for 16, 25, and 49. So the answer is A.
find the equation of the line that passes through the point (2,6) and with a slope of 3
using yinterstep form
slope intercept form: y=mx+b
y=3x+6
y=3(2)+6
y=6+6
y=12
Two streets intersect at a 30 degree angle. At the intersection, there are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?
Answer:
rhombus
Step-by-step explanation:
A quadrilateral with equal-length sides is a rhombus.
_____
A square is a special case of a rhombus.
What is 3/4 times 8/9 equal
Answer:
2/3
Step-by-step explanation:
photomath bud
i believe the answer is 2/3
Use substitution to solve 1-2.
3x – 3y = 9
x= 7 – 3y
Answer:
Solutions are x =4 and y = 1
Step-by-step explanation:
[tex]3x-3y =9[/tex]
In this equation substitute [tex]x=7-3y[/tex], we get
[tex]3(7-3y) -3y=9\\21-9y-3y=9\\-12y= 9-21\\-12y= -12\\y=1[/tex]
now substitute y =1 in x equation,
[tex]x=7-3(1)\\x=7-3\\x=4[/tex]
Solutions are x =4 and y = 1
Mark spent $79 on 3 shirts and a package of socks. If each shirts cost $24, how much did the package of socks cost?
Answer:7
Step-by-step explanation:
Gotta get rid of the shirts so 24x3 shirts is 72 and 79-72=7 which is the socks price
Answer:$7
Step-by-step explanation:3 Shirts at $24 each 24×3=$72 then subtract $72- from total cost for shirts and socks $72-$79=$7✔
What is the area and perimeter of a heart
Area of the heart is 178.5 cm² and Perimeter is 51.4 cm
Step-by-step explanation:
Step 1:Total area of heart = Area of the square + 2 × area of the semi circle
Step 2:Calculate the area of the square where side = 10 cm
⇒ Area of the square = side² = 10² = 100 cm²
Step 3:Calculate the area of the 2 semicircles where radius = 10/2 = 5 cm
⇒ Area of the semicircle = 1/2 × π × r²
⇒ Area of the 2 semicircles = 2 × 1/2 × π × r² = 3.14 × 5² = 78.5 cm²
Step 4:⇒ Total area of the heart = 100 + 78.5 = 178.5 cm²
Step 5:Calculate the perimeter of the heart = length of 2 sides of the square + 2 × perimeter of the semicircle (since there are 2 semicircles)
⇒ Perimeter = 10 + 10 + 2 × π × r (since perimeter of semicircle = πr)
⇒ Perimeter = 20 + 2 × 3.14 × 5 = 20 + 31.4 = 51.4 cm
The area and Perimeter values of the figure are 178.5 cm² and 51.4 cm
How to calculate the Area and Perimeter of the figureThe area of the square portion
side length²We have;
Area of square = 10² = 100cm²Area of the Semicircle:
radius = 10/2 = 5 cmArea of Semicircle = 0.5×πr²
Area of Semicircle = 39.25
Since, we have 2 similar Semicircles :
2 × 39.25 = 78.5 cm²Total Area = 100 + 78.5 = 178.5 cm²
2.)
The Perimeter of the figure ;
For the 2 Semicircles ;
Perimeter = πrPerimeter = 31.4 cm
Perimeter of the square ;
2 × side length = 2(10) = 20Total Perimeter = 20 + 31.4 = 51.4 cm
Learn more on area : https://brainly.com/question/25292087
#SPJ3
What is the measure of angle ABC 4x+2, angle DBE, 5x-13, angle CBE angle ABD
The values are [tex]m\angle \mathrm{ABC}=62^{\circ}[/tex], [tex]m\angle \mathrm{DBE}=62^{\circ}[/tex], [tex]m\angle \mathrm{CBE}=118^{\circ}[/tex] and [tex]m\angle \mathrm{ABD}=118^{\circ}[/tex]
Explanation:
It is given that [tex]\angle \mathrm{ABC}=4x+2[/tex] and [tex]\angle \mathrm{DBE}=5x-13[/tex]
The image having these measurements is attached below:
The angles ABC and DBE are vertically opposite.
Since, vertically opposite angles are equal, [tex]\angle \mathrm{ABC}=\angle \mathrm{DBE}[/tex]
Equating the values, we have,
[tex]\begin{aligned}4 x+2 &=5 x-13 \\2+13 &=5 x-4 x \\15 &=x\end{aligned}[/tex]
Thus, the value of x is 15. Let us substitute x in the equation to find [tex]\angle \mathrm{ABC}[/tex] and [tex]\angle \mathrm{DBE}[/tex]
Thus,
[tex]\begin{aligned}\angle A B C &=4(15)+2 \\&=60+2 \\&=62\end{aligned}[/tex]
Thus, [tex]m\angle \mathrm{ABC}=62^{\circ}[/tex]
Also, substituting x = 15 in [tex]\angle \mathrm{DBE}[/tex]
We have,
[tex]\begin{aligned}\angle DBE &=5(15)-13 \\&=75-13 \\&=62\end{aligned}[/tex]
Thus, [tex]m\angle \mathrm{DBE}=62^{\circ}[/tex]
Hence, the measure of [tex]\angle \mathrm{ABC}=62^{\circ}[/tex] and [tex]\angle \mathrm{DBE}=62^{\circ}[/tex]
To find the measure of [tex]\angle \mathrm{CBE}[/tex] and [tex]\angle \mathrm{ABD}[/tex]:
Since, the angles in a straight line add up to 180°
To find [tex]\angle \mathrm{CBE}[/tex], let us add the angles and equals to 180°
[tex]\angle \mathrm{CBE}+\angle \mathrm{DBE}=180[/tex]
Substituting the value of DBE, we have,
[tex]\angle \mathrm{CBE}+62=180[/tex]
Subtracting both sides by 62,
[tex]\angle \mathrm{CBE}=118[/tex]
Thus, the measure of [tex]\angle \mathrm{CBE}[/tex] is 118°
Since, [tex]\angle \mathrm{CBE}[/tex] and [tex]\angle \mathrm{ABD}[/tex] are vertically opposite, they are equal.
Thus, [tex]\angle \mathrm{ABD}=118[/tex]
Thus, the measure of [tex]\angle \mathrm{ABD}[/tex] is 118°
Hence, the values of the angles are [tex]m\angle \mathrm{ABC}=62^{\circ}[/tex], [tex]m\angle \mathrm{DBE}=62^{\circ}[/tex], [tex]m\angle \mathrm{CBE}=118^{\circ}[/tex] and [tex]m\angle \mathrm{ABD}=118^{\circ}[/tex]
If 22,000 pounds of soybeans were harvested from 10 acres, how many bushels per acre we
harvested? (Note: 60 lb = 1 bu)
Answer:
36.66 bushels per acre
Step-by-step explanation:
First divide 22,000 by 10 to get pounds per acre
2200 lbs/acre
But the question asks how many pounds per bushel. So now we will divide 2200 by 60
36.66 bushels per acre
Answer:
36.67bu per acre
Step-by-step explanation:
Find Pound per acre
22,000/10 = 2200 lb per acre
Find bushels per acre
60lb = 1 bu
2200/60 = 36.67bu per acre
The polynomial equation x4 - 6x3 + 10x2 + 2x - 15 = 0 has solution set _____.
{2 + i, 2 - i, -3, -1}
{2 + i, 2 - i, 3, -1}
{3 + i, 2 - i, 3, -1}
{3 + i, 3 - i, 3, -1}
Final answer:
The solution set of the polynomial equation can be found by testing the given sets of roots and verifying which set satisfies the polynomial equation.
Explanation:
To find the solution set of the polynomial equation x4 - 6x3 + 10x2 + 2x - 15 = 0, we need to factor the polynomial or use numerical methods to find roots. Polynomial equations of higher degrees such as quartics can often be simplified into quadratic equations or factored based on known roots or rational root theorem. Once a root is found, it can be used for polynomial division to reduce the degree of the polynomial and find other roots. One simple numerical method to guess and check roots would be to use synthetic division with possible rational roots.
However, since the question provides the sets of the roots, we only need to verify which set of roots satisfy the equation. We can use these sets as potential solutions and substitute the roots back into the equation to see if it satisfies the equation. Since complex roots always come in conjugate pairs for polynomials with real coefficients the only possible sets of roots that can be correct are {2 + i, 2 - i, -3, -1} or {2 + i, 2 - i, 3, -1}. Now we can substitute these roots into the original polynomial to determine which set is the actual solution
the list shows how much yarn mary has= 1/3 red yarn, 2/9 white yarn, 2/6 blue yarn what is the total amount of yarn mary has?
The total amount of yarn Mary has is [tex]\frac{8}{9}[/tex].
Step-by-step explanation:
Mary has;
Red yarn = [tex]\frac{1}{3}[/tex]
White yarn = [tex]\frac{2}{9}[/tex]
Blue yarn = [tex]\frac{2}{6}[/tex]
Total yarn = Red + White + Blue
Total yarn = [tex]\frac{1}{3}+\frac{2}{9}+\frac{2}{6}\\[/tex]
Taking LCM = 18
Total yarn = [tex]\frac{6+4+6}{18}[/tex]
Total yarn = [tex]\frac{16}{18}=\frac{8}{9}[/tex]
The total amount of yarn Mary has is [tex]\frac{8}{9}[/tex].
Keywords: fraction, addition
Learn more about fractions at:
brainly.com/question/2150928brainly.com/question/2154850#LearnwithBrainly
The total amount of yarn that Mary has is the sum of the fractions representing each color of yarn. After converting all fractions to like terms with denominator 9, we find that Mary has 8/9 in total.
Explanation:To calculate the total amount of yarn Mary has, you should add all the given fractions together. We have:
1/3 red yarn,
2/9 white yarn, and
2/6 (which can be simplified to 1/3) blue yarn.
To add these fractions, they need to have a common denominator. The lowest common denominator of 3 and 9 is 9. So, we get:
3/9 red yarn + 2/9 white yarn + 3/9 blue yarn = 8/9.
Therefore, the total amount of yarn Mary has is 8/9.
Learn more about Fraction Addition here:https://brainly.com/question/14427715
#SPJ12
A system of equations consists of two lines. line one passes through (-1,3) and (0,1). the other line passes through (1,4) and (0,2). determine if the pair has no solution, one solution, or an infinite number of solutions.
Final answer:
The two lines have different slopes, with the first line having a slope of -2 and the second line having a slope of 2. Since the slopes are different, the two lines intersect at exactly one point, indicating that there is one solution.
Explanation:
To determine if two lines have no solution, one solution, or an infinite number of solutions, we need to find the slopes of each line. If the slopes are different, the lines intersect at one point, indicating one solution. If the slopes are the same, but they have different y-intercepts, the lines are parallel and there is no solution. If the slopes and y-intercepts are the same, the lines coincide and there are an infinite number of solutions.
For the first line through (-1,3) and (0,1), the slope can be calculated using the formula slope (m) = (y2 - y1) / (x2 - x1). Plugging in the values, we get:
m = (1 - 3) / (0 + 1) = -2
The second line passes through (1,4) and (0,2). Using the same formula:
m = (2 - 4) / (0 - 1) = 2
Since the slopes of the two lines are different, they will intersect at exactly one point, indicating one solution.
The system of equations has one solution since the lines intersect at a single point, confirming a unique solution.
To determine if the system of equations has no solution, one solution, or an infinite number of solutions, we need to analyze the slopes and y-intercepts of the two lines.
Step 1:
Calculate the slope of each line using the formula [tex]\(m = \frac{{y_2 - y_1}}{{x_2 - x_1}}\).[/tex]
For the first line passing through (-1,3) and (0,1):
[tex]\[ m_1 = \frac{{1 - 3}}{{0 - (-1)}} = \frac{{-2}}{{1}} = -2 \][/tex]
For the second line passing through (1,4) and (0,2):
[tex]\[ m_2 = \frac{{2 - 4}}{{0 - 1}} = \frac{{-2}}{{-1}} = 2 \][/tex]
Step 2:
Calculate the y-intercept for each line using the slope-intercept form [tex]\(y = mx + b\)[/tex], where (b) is the y-intercept.
For the first line:
[tex]\[ 1 = -2 \cdot 0 + b_1 \][/tex]
[tex]\[ b_1 = 1 \][/tex]
For the second line:
[tex]\[ 2 = 2 \cdot 0 + b_2 \][/tex]
[tex]\[ b_2 = 2 \][/tex]
Step 3: Compare the slopes and y-intercepts.
Since the slopes are different (-2 for the first line and 2 for the second line), the lines are not parallel. Therefore, they will intersect at exactly one point, resulting in one solution for the system of equations.
Conclusion:
The system of equations has one solution.
Which point is an x-intercept of the quadratic function f(x) = (x + 6)(x-3)?
Which point is an x-intercept of the quadratic function
f(x) = (x + 6)(x - 3)? THE ANSWER IS D.
A right triangle has a base of 12 yards and a height of 7 yards. If you were to construct a similar but not congruent right triangle with a base of 26 yards, what would be the height of your new triangle rounded to the nearest tenth?
To find the height of a new right triangle similar to the original with a base of 26 yards, use the ratio of sides from the original triangle (7/12) to set a proportion. Solve the proportion to get the new height as 15.2 yards (or 45.5 feet).
Since the triangles are similar, the ratio of their corresponding sides must be the same. To find the height of the new triangle with a base of 26 yards, we set up a proportion using the corresponding sides of the original triangle:
7 yards / 12 yards = height / 26 yards
By cross-multiplying and solving for the unknown height, we get:
7 yards * 26 yards = height * 12 yards
182 y = height * 12 yards
height = 182 / 12 yards
height = 15.1666667 yards
Since 1 yard = 3 feet, we convert the height to feet:
15.1666667 yards * 3 feet/yard = 45.5 feet
Therefore, the height of the new right triangle is approximately 15.2 yards or 45.5 feet when rounded to the nearest tenth of a foot.
Keisha drinks 15 quarts of water in 12 days what is the average amount of water that she drinks per day
Keisha drinks 1.25 quarts of water per day
Solution:
Given that,
Keisha drinks 15 quarts of water in 12 days
To find: Average amount of water that she drinks per day
Average amount of water that she drinks per day is found by dividing 15 quarts by 12 days
The formula used is:
[tex]Amount\ of\ water\ drank\ per\ day = \frac{\text{15 quarts of water}}{12\ days}[/tex]
Therefore,
[tex]Amount\ of\ water\ drank\ per\ day = \frac{15}{12}\\\\Amount\ of\ water\ drank\ per\ day = 1.25[/tex]
Thus she drinks 1.25 quarts of water per day
Can someone please help me
Answer:
(I did both because I'm not sure which problem you are referring to.)
Left: 3.5 miles per hour
Right: *equation- 12.5+2.5x=27.5*
6 pairs of socks
Step-by-step explanation:
Left:
First, make a ratio of 0.875 miles/15 minutes. (I converted to decimal form) Next, I made another ratio of x miles/60 minutes. This tells me how many miles she ran in an hour.
Then, to get from 15 minutes to 60 minutes(1 hour), I divided 60 by 15, and got 4. Since to get from 15 to 60 is to multiply by 4 in the denominator, you will also have to multiply 0.875 by 4 in the numerator. By doing that, you will find that x is equal to 3.5 miles.
Right:
First, I made an equation 12.5+2.5x=27.5.
12.5 represents the cost of one shirt.
2.5 represents the cost of a pair of socks
x represents the unknown amount of socks.
27.5 represents the total amount of money she spent.
Next, my goal is to figure out what x is, so I substracted 12.5 from both sides in order to get x to be alone. *Result: 2.50x=15
Then, I divided 2.50 from both sides, and got x=6
I hope this helped!
Multiply.
6x^2 - 4x-5
2x^2 + 3x
A. 12x^4 + 18x^3 - 22x^2 - 15x
B. 12x^4 + 10x^3 – 22x^2 - 15x
c. 12x^4 + 18x^3 - 12x^2 - 15x
D. 12^4 + 10x^3 - 12x^2 - 15x
Answer:
its B
Step-by-step explanation:
i took the test the answer is B
please give me brainly
(6x² - 4x - 5)(2x² + 3x)
= 12x⁴ + 18x³ - 8x³ - 12x² - 10x² - 15x
= 12x⁴ + 10x³ - 22x² - 15x
so the answer is B
If the width of a rectangle is 8 less than the length and the perimeter is 32, find the dimensions of the rectangle
Answer:
length = 12
width = 4
Step-by-step explanation:
Width = w
Length = l
w = l-8
l-8 + l-8 + l + l = 32
4l - 16 = 32
4l = 48
length = 12
width = 4
How many times does 33 go into 264?
Answer:
IT GOES 8 TIMES
Answer: 8 times
Step-by-step explanation:
What number 0.2% of 50?
Answer:
0.2% of 50 = [tex]0.1[/tex]
Step-by-step explanation:
0.2% of 50
We have to find 0.2% of 50
[tex]50*0.2*\frac{1}{100}[/tex]
[tex]50*\frac{2}{10}* \frac{1}{100}[/tex]
=[tex]\frac{5*2}{100}[/tex]
=[tex]\frac{10}{100}\\\\ \frac{1}{10}\\\\0.1[/tex]
The 0.2% of 50 is 0.1
Answer:
0.1
Step-by-step explanation:
The membership dues at an exclusive club are $1,750 annually. After every year of membership, the dues are lowered by $75. Choose the equation below that gives the dues of members, Dn, in their 7th year of membership.
A.
Dn = $1,750 - $75·n ; D7 = $1,300
B.
Dn = $1,750 - $75·(n - 1) ; D7 = $1,225
C.
Dn = $1,750 - $75·(n - 1) ; D7 = $1,300
D.
Dn = $1,750 - $75·n ; D7 = $1,225
Answer:
C.
Dn = $1,750 - $75·(n - 1) ; D7 = $1,300
Step-by-step explanation:
"n" represents each year of membership. The first year that you are a member (n = 1), the fee is $1,750.
In year 2, (n = 2), the fee is $1,750 - $75, which is 75·1. If n=1, and 75 is multiplied by 1, then the formula will use (n - 1).
At this point, the answer will be either B. or C.
Substitute n = 7 into the formula to find the cost in the 7th year.
Dn = $1,750 - $75·(n - 1)
D7 = $1,750 - $75·(7 - 1) Solve inside the brackets first.
D7 = $1,750 - $75·6 Multiply first, then subtract the product from 1750.
D7 = $1,300 Answer
Therefore the answer is C.