Write an equation in point-slope form for each line.
(If possible please show work)
Answers
Answer:
so
slope is calculated this way:
[tex] \frac{3 - 6}{2 - 1} = \frac{ - 3}{1} = - 3[/tex]
let's calculate y init by:
3 = -3×2 + b
b = 9
so equation is:
y=-3x+9
Related Questions
CAN I GET HELP I DONT LIKE WAITING TY
Answers
Answer:
Answer D: Construct Y because it constructs the circumcenter.
Step-by-step explanation:
Point E has equal distance to L,M and N, because it is the center of a circle that goes through all 3 of them. The circumcenter is the center of a circle circumscribed about (drawn around) the triangle.
A market researcher finds the price of several brands of fabric softener. What is the level of measurement of the data?
Answers
Answer:
ratio
Step-by-step explanation:
The levels of measurement are ...
NominalOrdinalIntervalRatioBoth interval and ratio level measurements deal with numerical data. The difference is that ratio-level measurements use a numerical scale that includes an absolute zero, and scale values are proportional to the quantity they represent.
Price data is a ratio level of measurement.
Multiply.
(3x+ 5)(3х - 5)
Answers
Answer:
9x^2-25
Step-by-step explanation:
You can solve this problem by using FOIL:
- FOIL (First, Outer, Inner, Last)
First: 3x*3x= 9x^2
Outer: 3x*-5= -15x
Inner: 3x*5 = 15x
Last: 5*-5= -25
Now add what we got together:
9x^2 -15x +15x -25
Answer: 9x^2 - 25
Note: Whenever when we see conjugates(coefficients of variables are same but real numbers are opposites) like these we can ignore the outer and inner of the foil process as they cancel out.
Hope this helps!
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[tex]9x^2 - 25[/tex]
Explanation:
[tex]( a + b) ( a - b ) = a^2 - b^2[/tex]
Substitute with 3x and b with 5:
[tex](3x + 5) (3x - 5) = (3x)^2 - 5^2\\[/tex]
[tex]= 9x^2 - 25[/tex]
∴ [tex]( 3x + 5) ( 3x - 5) = 9x^2 - 25[/tex]
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Hope this helped you.
Could you maybe give brainliest..?
❀*May*❀
In a class of 25 students, 18 of them brought in permission slips for a field trip.
(a) What fraction of the students brought in
(b) Determine the percentage of students who
permission slips?
brought in permission slips by changing
the fraction in (a) to an equivalent fraction
with a denominator of 100.
(c) Convert the fraction you found in (a) to a
decimal using long division.
(d) How does your answer in (c) correspond
to your answer in (b)?
Answers
Answer:
A.18/25
B.72% of them brought in their permission slips
C.0.72
D.There the exact same value and we would divide by 100 to go from percentage to decimal and multiply by 100 to go to decimal to percentage Sign.
Step-by-step explanation:
a family has five children. the probability of having a girl is 1/2. whats probability of having at leasr 4 girls g'
Answers
Answer:
Probability of having at least 4 Girls
= 0.6875
Step-by-step explanation:
Probability of having at least 4 Girls is 1-probability of having exactly 3 girls
Total number of children= 5 = N
Probability of having a girl p = 0.5
Probability of not having a girl q= 0.5
X= 3
Probability of at least 4 girls is given by
Probability= NCX(p)^x(q)^(N-x)
Probability = 5C3(0.5)^3(0.5)^(5-3)
Probability = 5C3(0.5)^3(0.5)^2
Probability= 5!/3!2!(0.5)^3(0.5)^2
Probability= 10(0.125)(0.25)
Probability= 0.3125
Probability of having at least 4 Girls
= 1- 0.3125
= 0.6875
The side lengths of a square increase at a rate of 4cm/s. Find the rate at which the area of the square is increasing when the side length is 2cm. g
Answers
Answer:
4 cm^2/cm
Step-by-step explanation:
The area of a square is given by the equation:
[tex]Area = side^2[/tex]
To find the rate at which the area increases, we just need to find the derivative of the area in relation to the side:
[tex]dA/ds = 2*side[/tex]
So, when the side length is 2 cm, the rate at which the area increases is:
[tex]dA/ds = 2*2 = 4\ cm^2/cm[/tex]
When the side length is 2 cm, the area increases at 4 cm^2/cm.
THE VALUE OF (-3)raised to 4 is
Answers
Step-by-step explanation:
81
I think this should be the answer
The largest fish ever caught in Lake A weighed 650 pounds. This is 208.2 pounds less than seven times the weight of the largest fish ever caught in Lake B. Find the weight of the largest fish caught in Lake B nts
Answers
Answer:
122.6 pounds
Step-by-step explanation:
Let's call the weight of the largest fish from lake A 'x', and the weight of the largest fish from lake B 'y'.
If x is 208.2 pounds less than seven times y, we have that:
[tex]x = 7y - 208.2[/tex]
We know that x is equal 650 pounds, so we can find y:
[tex]650 = 7y - 208.2[/tex]
[tex]7y = 650 + 208.2[/tex]
[tex]7y = 858.2[/tex]
[tex]y = 122.6\ pounds[/tex]
So the weight of the largest fish caught in Lake B is 122.6 pounds
Individuals filing federal income tax returns prior to March 31 received an average refund of $1056. Consider the population of "last-minute" filers who mail their tax return during the last five days of the income tax period (typically April 10 to April 15).
a. A researcher suggests that a reason individuals wait until the last five days is that on average these individuals receive lower refunds than do early filers. Develop appropriate hypotheses such that rejection of H0 will support the researcher’s contention.
b. For a sample of 400 individuals who filed a tax return between April 10 and 15, the sample mean refund was $910. Based on prior experience a population standard deviation of σσ = $1600 may be assumed. What is the p-value?
c. At αα = .05, what is your conclusion?
d. Repeat the preceding hypothesis test using the critical value approach.
Answers
The α = 0.05 and the p-value (0.034) is less than α, we reject the null hypothesis. There is sufficient evidence to support the researcher's contention that last-minute filers receive lower average tax refunds than early filers. Since the test statistic is more extreme than the critical value, we reject the null hypothesis.
a.
Hypotheses:
Null Hypothesis [tex](H_0)[/tex]: There is no difference in the average tax refund amount between early filers and last-minute filers .
Alternative Hypothesis [tex](H_a)[/tex]: Last-minute filers receive lower average tax refunds than early filers.
Mathematically:
[tex]H_0[/tex]: μ_last_minute = μ_early
[tex]H_a[/tex]: μ_last_minute < μ_early
where:
μ_last_minute = population mean refund for last-minute filers
μ_early = population mean refund for early filers
b.
Given information:
Sample mean for last-minute filers = $910
Population standard deviation (σ) = $1600
Sample size (n) = 400
To calculate the test statistic and the p-value, use the formula:
[tex]z = (\bar x - \mu) / (\sigma / \sqrt n)[/tex]
Where:
[tex]\bar x[/tex] = sample mean
μ = hypothesized population mean under the null hypothesis
σ = population standard deviation
n = sample size
Plugging in the values:
z = ($910 - $1056) / ($1600 / √400)
z = ($910 - $1056) / ($1600 / 20)
z = -$146 / 80
z ≈ -1.825
c.
To find the p-value associated with the test statistic, use a standard normal distribution table. For a one-tailed test with a z-score of -1.825, the p-value is approximately 0.034.
d.
Critical value approach:
To perform the hypothesis test using the critical value approach, we first need to find the critical value corresponding to α = 0.05 and a one-tailed test.
For a significance level (α) of 0.05, the critical value is approximately -1.645.
Now, the test statistic we calculated previously was -1.825.
Conclusion: The p-value is less than α, we reject the [tex](H_0)[/tex].There is sufficient evidence to support the researcher's contention that last-minute filers receive lower average tax refunds than early filers. Since the test statistic is more extreme than the critical value, we reject the null hypothesis.
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A business offers educational tours to Patagonia, a region of South America that includes parts of Chile and Argentina. The profit P for x number of persons is P(x) = −25x^2 + 1250x − 5000. The trip will be rescheduled if the profit is less than $7500. How many people must have signed up if the trip is rescheduled?
Answers
Answer:
13.82 or 14 people
Step-by-step explanation:
Step 1: Set equation equal to 7500
7500 = -25x² + 1250x - 5000
Step 2: Solve
0 = -25x² + 1250x - 12500
0 = -25(x² - 50x + 500)
0 = x² - 50x + 500
When you use the quadratic formula, you should get 13.82, rounded to 14 people as your answer.
Alternatively, we can graph the expression and see where $7500 for x people is.
The isosceles triangle has a perimeter of 7.5 m.
Which equation can be used to find the value of x if the
shortest side, y, measures 2.1 m?
Answers
Step-by-step explanation:
x=p-2.1/2
p=perimeter
Kip is going to meet his family.
The table shows the number of
kilometers he needs to travel until he
reaches them.
Hour
1
2
3
4
5
6
7
Kilometers
151
131
111
91
71
51
M
Answers
Answer:
From my knowledge I would say M= 31 km
Step-by-step explanation:
For each hour you subtract 20 kilometers.
Since the sixth hour was 51 kilometers,to find how many kilometers for the seventh hour we simply subtract 20 from 51.
51- 20 = 31
I really hope this helps:)
Two chemicals A and B are combined to form a chemical C. The rate, or velocity, of the reaction is proportional to the product of the instantaneous amounts of A and B not converted to chemical C. Initially, there are 40 grams of A and 50 grams of B, and for each gram of B, 2 grams of A is used. It is observed that 20 grams of C is formed in 10 minutes. How much (in grams) is formed in 20 minutes? (Round your answer to one decimal place.)
Answers
Answer:
32.1 g
Step-by-step explanation:
In each 3 grams of C, there are 2 grams of A and 1 gram of B. So, for some amount C, the amount remaining of A is 40 -(2C/3), and the amount remaining of B is (50 -C/3). Since the reaction rate is proportional to the product of these amounts, we have ...
C' = k(40 -2C/3)(50 -C/3) = (2k/9)(60 -C)(150 -C) . . . for some constant k
This is separable differential equation with a solution of the form ...
ln((150 -C)/(60 -C)) = at + b
We know that C(0) = 0, so b=ln(150/60) = ln(2.5). And we know that C(10) = 20, so ln(130/40) = 10a +ln(2.5) ⇒ a = ln(1.3)/10
Then our equation for C is ...
ln((150 -C)/(60 -C)) = t·ln(1.3)/10 +ln(2.5)
__
For t=20, this is ...
ln((150 -C)/(60 -C)) = 2ln(1.3) +ln(2.5) = ln(2.5·1.3²) = ln(4.225)
Taking antilogs, we have ...
(150 -C)/(60 -C) = 4.225
1 +90/(60 -C) = 4.225
C = 60 -90/3.225 ≈ 32.093 . . . . . grams of product in 20 minutes
In 20 minutes, about 32.1 grams of C are formed.
In a survey of 623 adults, 95 said that they regularly lie to people conducting surveys. Create a 99% confidence interval for the proportion of adults who regularly lie to people conducting surveys. Use a TI-83, TI-83 plus, or TI-84 calculator, rounding your answers to three decimal places.
Answers
Answer:
The 99% confidence interval for the proportion of adults who regularly lie to people conducting surveys is (0.116, 0.19).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of [tex]\pi[/tex], and a confidence level of [tex]1-\alpha[/tex], we have the following confidence interval of proportions.
[tex]\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}[/tex]
In which
z is the zscore that has a pvalue of [tex]1 - \frac{\alpha}{2}[/tex].
For this problem, we have that:
[tex]n = 623, \pi = \frac{95}{623} = 0.153[/tex]
99% confidence level
So [tex]\alpha = 0.01[/tex], z is the value of Z that has a pvalue of [tex]1 - \frac{0.01}{2} = 0.995[/tex], so [tex]Z = 2.575[/tex].
The lower limit of this interval is:
[tex]\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.153 - 2.575\sqrt{\frac{0.153*0.848}{623}} = 0.116[/tex]
The upper limit of this interval is:
[tex]\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.1525 + 2.575\sqrt{\frac{0.153*0.845}{623}} = 0.19[/tex]
The 99% confidence interval for the proportion of adults who regularly lie to people conducting surveys is (0.116, 0.19).
The amount of simple interest earned, n, varies jointly with the rate of interest, r, and the number of years, t. The simple interest earned is $225 when the rate of interest is 4.5% for 4 years. Using the variables r, and t, find the equation that represents this relationship.
Answers
Answer:
$225 = $1250*0.04*4
Step-by-step explanation:
The appropriate formula to use here is i = p*r*t, where p is the principal, r is the annual interest rate as a decimal fraction, and t is the number of years.
Here:
$225 = p*0.045*4 represents this relationship. p, the principal, is not given, but can be calculated from the above equation:
$225
p = -------------------- = $1250
0.045*4
Then the given relationship is
$225 = $1250*0.04*4
Answer:
n = $1250rt
Step-by-step explanation:
Avery wants to buy a car and has a choice between two different banks. One bank is offering a simple interest rate of 32% and the other bank is offering a rate of 3%
compounded annually. If Avery decides to deposit $7,000 for 5 years, which bank would be the better deal?
Answers
Answer:
If Avery decides to deposit $7,000 for 5 years, the bank would be the better deal would be bank is offering a rate of 3%
compounded annually
Step-by-step explanation:
In order to calculate which bank would be the better deal If Avery decides to deposit $7,000 for 5 years, we would have to make the following calculation:
simple interest rate of 32%.
Therefore, I= P*r*t
=$7,000*32%*5
=$11,200.
compound interest rate of 3%
Therefore, FV=PV(1+r)∧n
FV=$7,000(1+0.03)∧5
FV=$8,114.
If Avery decides to deposit $7,000 for 5 years, the bank would be the better deal would be bank is offering a rate of 3%
compounded annually
What is the polynomial function of lowest degree with lead coefficient 1 and roots 1 and 1 + i? f(x) = x2 – 2x + 2 f(x) = x3 – x2 + 4x – 2 f(x) = x3 – 3x2 + 4x – 2 f(x) = x2 – x + 2
Answers
Answer:
C.
Step-by-step explanation:
edge 2020
C on edge is f(x) = x3 – 3x2 + 4x – 2
Step-by-step explanation:
Which of the following are feasible equations of a least squares regression line for number of dollars left in an endowment providing college scholarships in each of its first ten years if it was entirely funded by a single donation?
a. y ˆ =269,000+8300x
b. y ˆ =69,000−8300x
c. y ˆ =−269,000−8300x
d. y ˆ =269,000−8300x
e. y ˆ =0−8300x
Answers
Answer:
d. y ˆ =269,000−8300x
Step-by-step explanation:
If the regression describes the amount of dollars left after a single donation as a function of time, the regression must consist of a positive lump sum subtracted by an yearly rate. This rules out alternatives a, c, and e.
Since this equation must represent the amount left after 10 years, it must yield a positive value up to at least x = 10.
For equation b., when x = 10:
[tex]y=69,000-8,300*10\\y=-14,000[/tex]
For equation d., when x = 10:
[tex]y=269,000-8,300*10\\y=186,000[/tex]
Therefore, the only possible answer is d. y ˆ =269,000−8300x
Find the value of x.
44
x =
Answers
Answer:
136°
Step-by-step explanation:
x and 44° represents the measures of opposite angles of a cyclic quadrilateral.
Since, opposite angles of a cyclic quadrilateral are supplementary.
[tex] \therefore \: x + 44 \degree = 180 \degree \\ \therefore \: x = 180 \degree - 44 \degree \\ \therefore \: x = 136 \degree[/tex]
Answer:
x = 136°
Step-by-step explanation:
180° = x + 44°
180 - 44 = x + 44-44
136° = x
= 136°
can someone help me with this please?!?!?!?
Answers
17 m^3
Explanation
Volume of a given prism = bh
Where b = base area and h = height of prism
Base area = 1 • 2/2 (b • h /2)
= 1
Height = 17
17 • 1 = 17 m^3
helppppp me pleaseeeee
Answers
Answer:
314- The unknown digit is 1
Step-by-step explanation:
16*314=5024
5024/16=314
Hope this helps ;) ❤❤❤
5024/16= 314
Caleb puppy weighs 2250 grams if the puppy weight 600 grams at the last visit to the vets office what is the percent increase in the puppy's weight rounded to the nearest whole number
Answers
Answer: 375%
Step-by-step explanation:
375%. Simply do 2250/600 to get 3.75, or 375%.
Hope it helps <3
What is the smallest sample size required to provide a 95% confidence interval for a
mean, if it important that the interval be no longer than 1cm? You may assume that the
population is normal with variance 9cm2.
Answers
Answer:
Don't quote me i think the poulation of 3
Step-by-step explanation:
for 9 suared is 81 so it cant be squared for then it would be 81cm and the one you need can not be longer than 1cm
The minimum sample size should be 35.
What is Confidence Interval?The mean of your estimate plus and minus the range of that estimate constitutes a confidence interval. Within a specific level of confidence, this is the range of values you anticipate your estimate to fall within if you repeat the test.
Given:
Variance= 9
So, standard deviation= √9 = 3
and, The critical z-score values when using a 95 percent confidence level are -1.96 and +1.96 standard deviations.
Then, Sample size= Critical value x SD / Margin error
= 1.96 x √ 3 / 139
= 34.57
= 35
Hence, the minimum sample size should be 35.
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Customers arrive at a movie theater at the advertised movie time only to find that they have to sit through several previews and prepreview ads before the movie starts. Many complain that the time devoted to previews is too long. A pre-liminary sample conducted by The Wall Street Journal showed that the standard deviation of the amount of time devoted to previews was 6 minutes. A. If we want to estimate the population mean time for previews at movie theaters with a margin of error of 72 seconds, what sample size should be used? B. If we want to estimate the population mean time for previews at movie theaters with a margin of error of 1 minute, what sample size should be used?
Answers
Answer:
Using a 90% confidence level
A. A sample size of 68 should be used.
B. A sample size of 98 should be used.
Step-by-step explanation:
I think there was a small typing mistake and the confidence level was left out. I will use a 90% confidence level.
We have that to find our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:
[tex]\alpha = \frac{1-0.9}{2} = 0.05[/tex]
Now, we have to find z in the Ztable as such z has a pvalue of [tex]1-\alpha[/tex].
So it is z with a pvalue of [tex]1-0.05 = 0.95[/tex], so [tex]z = 1.645[/tex]
Now, find the margin of error M as such
[tex]M = z*\frac{\sigma}{\sqrt{n}}[/tex]
In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.
A. If we want to estimate the population mean time for previews at movie theaters with a margin of error of 72 seconds, what sample size should be used?
We have the standard deviation in minutes, so the margin of error should be in minutes.
72 seconds is 72/60 = 1.2 minutes.
So we need a sample size of n, and n is found when M = 1.2. We have that [tex]\sigma = 6[/tex]. So
[tex]M = z*\frac{\sigma}{\sqrt{n}}[/tex]
[tex]1.2 = 1.645*\frac{6}{\sqrt{n}}[/tex]
[tex]1.2\sqrt{n} = 6*1.645[/tex]
[tex]\sqrt{n} = \frac{6*1.645}{1.2}[/tex]
[tex](\sqrt{n})^{2} = (\frac{6*1.645}{1.2})^{2}[/tex]
[tex]n = 67.65[/tex]
Rounding up.
A sample size of 68 should be used.
B. If we want to estimate the population mean time for previews at movie theaters with a margin of error of 1 minute, what sample size should be used?
Same logic as above, just use M = 1.
[tex]M = z*\frac{\sigma}{\sqrt{n}}[/tex]
[tex]1 = 1.645*\frac{6}{\sqrt{n}}[/tex]
[tex]\sqrt{n} = 6*1.645[/tex]
[tex](\sqrt{n})^{2} = (6*1.645)^2[/tex]
[tex]n = 97.42[/tex]
Rounding up
A sample size of 98 should be used.
A coin will be flipped repeatedly until the sequence TTH (tail/tail/head) comes up. Successive flips are independent, and the coin has probability p of coming up heads. Let N,TTH be the number of coin flips until TTH first appears. What value of p minimizes Ex[N,TTH]
Answers
Answer:
[tex]P = \frac{1}{3}[/tex]
Step-by-step explanation:
The calculation of the value of p minimizes is shown below:-
We will assume the probability of coming heads be p
p(H) = p
p(T) = 1 - P
Now, H and T are only outcomes of flipping a coin
So,
P(TTH) = (1 - P) = (1 - P) (1 - P) P
= (1 + P^2 - 2 P) P
= P^3 - 2P^2 + P
In order to less N,TTH
we need to increase P(TTH)
The equation will be
[tex]\frac{d P(TTH)}{dP} = 0[/tex]
3P^2 - 4P + 1 = 0
(3P - 1) (P - 1) = 0
P = 1 and 1 ÷ 3
For P(TTH) to be maximum
[tex]\frac{d^2 P(TTH)}{dP} < 0 for\ P\ critical\\\\\frac{d (3P^2 - 4P - 1)}{dP}[/tex]
= 6P - 4
and
(6P - 4) is negative which is for
[tex]P = \frac{1}{3}[/tex]
What is the slope of the line shown? The graph of a line passes through the points (0, -2) and (6, 0). What is the equation of the line? please help fast 20 pt will mark the branliest
Answers
Answer:
slope = 1/3, equation is y = 1/3x - 2
Step-by-step explanation:
slope formula = change in y / change in x
= (0 - (-2)) / (6 - 0) = 2 / 6 = 1/3
Since we know the slope and the y-intercept we can write the equation in slope-intercept form which will be y = 1/3x - 2.
Answer:
y=1/3x -2
Step-by-step explanation:
points (0, -2) and (6, 0)
Slope- intercept form:
y=mx+b
m=(y2-y1)/(x2-x1)= (0+2)/(6-0)= 2/6= 1/3y=1/3x+b
0= 1/3*6+b b= -2y=1/3x -2
If you vertically stretch the exponential function f(x) = 2^x by a factor of 3, what
is the equation of the new function?
A. f(x) = 5^x
B. f(x) = 2(3^x)
C. f(x) = 3(2^x)
D. f(x) = 6^x
Answers
Answer: [tex]C. f(x) = 3(2^x)[/tex].
Step-by-step explanation:
If the graph of function y=f(x) is vertically stretched by a scale factor of 'k', then the new function will be :
[tex]Y=kf(x)[/tex]
The given function : [tex]f(x)=2^x[/tex]
If the given function vertically stretched by a scale factor of '3', then the new function will be :
[tex]Y=3f(x)=3(2^x)[/tex]
Hence, the correct option is [tex]C. f(x) = 3(2^x)[/tex].
Please answer this correctly
Answers
Answer:
2/3
Step-by-step explanation:
There are 4 numbers that fit the rule, 3, 4, 7, 8 since they are either less than 5 or greater than 6. There are 6 numbers so the chance would be 4/6 or simplified, 2/3.
Answer:
2/3
Step-by-step explanation:
There are 6 options, 2 of them > 6 and 2 of them < 5
P (greater than 6 or less than 5)= 4/6= 2/3
Find the area:
A.16
B.64
C.256
D.none of these
Answers
Answer:
64π in²
Step-by-step explanation:
The area of a circle is given by the formula ...
A = πr²
where r is the radius.
The radius of a circle is half the diameter. For the circle shown, the radius is ...
r = d/2 = (16 in)/2 = 8 in
Then the area is ...
A = π(8 in)² = 64π in²
_____
Often, units are left off, so the appropriate choice might be 64π.
_____
If you want to be technically correct (at the expense of getting your answer marked wrong), you can select "None of the above." That is because none of the offered choices have the correct units: square inches. You may want to discuss this with your teacher.
The top speed you will ever need
to go in a parking lot is
O A. 20 mph
OB. 10 mph
OC. 1 mph
D. 15 mph
Answers
Answer:
10 mph
Step-by-step explanation:
The top speed you will ever need to go in a parking lot is 10 mph.
15 mph is the fastest you should ever drive in a parking lot. The right answer is D.
What is National Motorists Association?The National Motorists Association was established in 1982 and is a divisive nonprofit advocacy group representing drivers in North America.
The Association promotes engineering standards that have been demonstrated to be effective, justly drafted and applied traffic legislation, and full due process for drivers.
Given to give information about the top speed you will ever need
to go into a parking lot is,
A group of drivers came together to form the National Motorists Association, Inc., a non-profit organization, to defend drivers' rights in the legal system, on the highways, and inside our cars.
Usually, there are marked speed limits in parking lots. Obey speed limits when you see them to avoid tickets and to keep everyone safe.
The National Motorists Association advises driving no faster than 15 miles per hour at all times when there are no written speed limits.
Therefore, the correct option is D.
For more details regarding Motorists;
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