Answer:
b
Step-by-step explanation:
Answer:
the answer is b
Step-by-step explanation:
FILL THE BLANK.
Defensive driving isn't just about reacting to the unknown. It's about removing the unknown by planning ahead and ___________.
Defensive driving isn't just about reacting to the unknown. It's about removing the unknown by planning ahead and anticipating potential hazards.
Defensive driving is a proactive approach to staying safe on the road. It involves actively identifying and addressing potential risks and hazards before they become emergencies. In essence, defensive drivers plan ahead and take steps to minimize the likelihood of accidents or dangerous situations. They maintain a safe following distance, anticipate the actions of other drivers, and constantly scan their surroundings for potential threats. By doing so, they gain more time to react to unexpected events and can make better decisions to avoid collisions or other dangerous outcomes.
Defensive driving techniques and how they can enhance road safety. Understanding the principles of defensive driving can help drivers develop better habits and become more aware of their surroundings. It emphasizes the importance of maintaining focus, avoiding distractions, and staying alert at all times while behind the wheel. Defensive driving techniques also teach drivers to adapt to changing road conditions, weather situations, and traffic patterns. By actively practicing defensive driving, individuals contribute to creating a safer driving environment for themselves and others.
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Solve the given question.
What is the value of x? 6.75+3/8x=131/4.
A) 2 7/16
B) 17 1/3
C) 18 2/3
D) 53 1/3
Answer:
A
Step-by-step explanation:
please help meeee. Pleaseeee
Answer:
in excact terms: 50.26548
to the nearest tenth: 50.3
Step-by-step explanation:
Answer:
Step-by-step explanation:
V = radius^2 x height x π = 4^2 x 1 x π = 16π in^3
16 x 3.14 = 50.26... = 50.3 in^3
can someone please help me!??!?
Answer:
Step-by-step explanation:
V= M - \(\frac{5x}{ST}\) - \(\frac{23}{ST}\)
S = \(\frac{(M)8x- 49}{VT}\)
Answer:
∠SVT = 17° ∠VUT =143°
Step-by-step explanation:
system of Eq.
Eq. 1) 20 + 8x-49 +y =180 ( around one triangle)
8x +y = 209 (Eq 1 simplified)
16x +2y =418 (Eq 1 times 2)
Eq. 2) 40 +8x-49 + 5x+23 +2y =360 (around the whole diamond )
13x + 2y = 346 (Eq 2 simplified)
-(16x +2y = 418 ) ( subtract Eq. 1 from Eq. 2 )
-3x = -72
x = 24°
then ∠S = 5x+23 = 5(24) +23 = 143°
then ∠U = 8x -49 = 8(24) - 49 = 143°
20 + 143 +y =180
y = 17°
check it :
40 + 34 + 286 = 360° ( around the whole diamond )
:) looks good
Find the volume of a pyramid with a square base, where the side length of the base is
6.6 in and the height of the pyramid is 7.7 in. Round your answer to the nearest
tenth of a cubic inch.
We can conclude that the square pyramid has a volume of 111.5 in³.
What is a square pyramid?A square pyramid in geometry is a pyramid with a square base.
It is a right square pyramid with C4v symmetry if the apex is perpendicular to and above the square's center.
It is an equilateral square pyramid, the Johnson solid J1 if all edge lengths are equal.
A polyhedron with seven faces is called a heptahedron.
One "normal" heptahedron exists, and it is formed up of a surface with one side made up of four triangles and three quadrilaterals.
So, 6.6 inches wide is the square pyramid's base.
The square pyramid's height is 7.7 inches or h.
V = a²(h/3) is the formula for the square pyramid's volume.
By changing the values given:
V = 6.6²(7.7/3)
V = 43.56(2.56)
V = 111.51 ≈ 111.5
Therefore, we can say that the square pyramid has a volume of 111.5 in³.
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Suppose a survey of 580 women in the United States found that more than 64% are the primary investor in their household. Which part of the survey represents the descriptive branch of statistics? Make an inference based on the results of the survey.64% of women in the sample are the primary investor in their household.
There is an association between U.S. women and being the primary investor in their household.
The sentence "64% of women in the sample are the principal investor in their household" serves as an example of descriptive statistics.
What will the inference be?This sentence provides a summary of the survey's data and a descriptive statistic (percentage) that characterizes the sample's characteristics.
According to the survey's findings, "there is a correlation between American women and being the principal investor in their household." The sample data are used to draw this conclusion about the population. Despite the fact that the sample is not representative of all American women, the findings indicate that a sizable number of the women in the sample are the principal investors in their households.
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Find two nonnegative numbers x and y such that xy = 72 and 9x + 2y is minimized.
x= ____
y =______
two nonnegative numbers x and y that satisfy xy = 72 and minimize 9x + 2y are x = 4 and y = 18.
To solve this problem, we can use the technique of optimization by setting up an equation for 9x + 2y and then using the given condition xy = 72 to eliminate one of the variables.
First, let's express 9x + 2y in terms of just one variable:
9x + 2y = 9x + 2(72/x) = 9x + 144/x
Now we need to minimize this expression. To do so, we can take the derivative with respect to x and set it equal to zero:
d/dx (9x + 144/x) = 9 - 144/x^2 = 0
Solving for x, we get:
x^2 = 144/9
x^2 = 16
x = 4 (since we want a nonnegative value for x)
Substituting this value of x into the equation xy = 72, we get:
4y = 72
y = 18
Therefore, the two nonnegative numbers x and y that satisfy xy = 72 and minimize 9x + 2y are x = 4 and y = 18.
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how many terms are in the following expression?
The number of terms in the expression, 6 + 2 x - 4 y + 5 z is 4 terms.
How to find the number of terms ?In the expression 6 + 2x - 4y + 5z, the number of terms is four, not the number of signs. The terms in this expression are:
62 x- 4 y 5 zEach term is separated by an operator (either addition or subtraction), which is represented by a sign. Therefore, the expression contains three addition signs and one subtraction sign.
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The full question is:
How many terms are in the following expression 6 + 2 x - 4 y + 5 z
If two events, A and B, are independent then which of the following does not have to be true about their probabilities?
If two events, A and B, are independent then the mathematical statement that is always true about their probabilities is this: P(A and B)= p(A) * P(B)
What is true about their probabilities?In probability calculations, independent events refer to those events whose occurrence are not affected by other events. In the probability of independent events, the formula says that the probability of A and B occurring is equal to the probability of A multiplied by the probability of B.
That is:
P(A and B)=P(A) P(B)
So, the expression that explains the probability of independent events is option B.
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Complete Question:
If two events. A and B, are independent then which of the following is always true about their probabilities?
1) P(A)=P(B)
2) P(A and B)=P(A) P(B)
3) P(A OR B)=P(A) P(B) - P(A and B)
4) P(A and B) = P(A) +P(B)
5. Hector took out a 25-year house loan for $190,000 at 4.8% interest, compounded monthly, and
his monthly payment will be the same for the life of the loan.
Payment
Number
1
2
Payment
Amount
$1055.69
Interest Due
$760.00
Note Reduction Unpaid Balance
$328.69
$189,671.31
An amortization table for his first two payments is shown above. Help Hector fill in the missing
information in the table for his second payment. Use the information for the first payment as a
guide. (4 points: Part 1-1 point; Part II - 1 point; Part III-1 point; Part IV-1 point)
Part I: What is the payment amount for payment number 2?
Part II: what is the interest due for payment number 2?
Part III: what is the note reduction for payment 2?
Part IV: what is the unpaid balance for payment number 2?
Part III: Note reduction for payment 2 = Payment Amount - Interest Due = $1055.69 - $758.68 = $297.01.
How to solvePart I: The payment amount for payment number 2 is $1055.69 (same as the first payment).
Part II: Interest due for payment number 2 = (Unpaid Balance after payment 1) * (Monthly Interest Rate) = $189,671.31 * (4.8% / 12) = $758.68.
Part III: Note reduction for payment 2 = Payment Amount - Interest Due = $1055.69 - $758.68 = $297.01.
Part IV: Unpaid balance for payment number 2 = (Unpaid Balance after payment 1) - (Note Reduction for payment 2) = $189,671.31 - $297.01 = $189,374.30.
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What did I do wrong so I don’t do it again on the test
Answer:
nothing
Step-by-step explanation:
all of them seem to be right. if you need practice work on alternate interior angles, exterior angles
a bus drives for 3 and a half hours at an average speed of 56mph how far does the bus drive?
Answer:
196 miles
Step-by-step explanation:
distance (D) is calculated as
D = S × T ( S is average speed and T is time in hours )
here T = 3 and a half hours = 3.5 hours and S = 56 , then
D = 56 × 3.5 = 196 miles
25+(-14)-18 ____ 25+(-14) -(-18) (Fill the blank with > or <)
Answer:
<
Step-by-step explanation:
25+(-14)-18 ---> 25-32=-7
25+(-14)-(-18) ---> 43-14=29
the probability that a patient recovers from a delicate heart operation is 0.9. what is the probability that at most 4 of the next 5 patients having this operation survive?do not calculate the probabilities, but calculate the expected value and the variance of the number of trucks that have blowouts out of the next 15 trucks tested.
The probability of at most 4 out of the next 5 patients surviving is 0.40941.
We are not given the value of p, so we cannot calculate the expected value and variance.
What is brief solution to each part of the question?This question seems to be a combination of two unrelated problems. Here are the solutions to both problems:
Probability of at most 4 out of the next 5 patients surviving:
Let X be the number of patients out of 5 who survive the operation. X is according to a binomial distribution with n=5 and p=0.9. The probability mass function of X is:
\(P(X=k) = (5 choose k) * 0.9^k * 0.1^{5-k} for k = 0, 1, 2, 3, 4, 5\)
To find the probability of at most 4 patients surviving, we can sum the probabilities for k=0 to 4:
P(X<=4) = P(X=0) + P(X=1) + P(X=2) + P(X=3\(P(X=k) = (5 choose k) * 0.9^k * 0.1^{5-k} {for} k = 0, 1, 2, 3, 4, 5) + P(X=4)\)\() + P(X=4)\)
\(= (5 choose 0) * 0.9^0 * 0.1^5 + (5 choose 1) * 0.9^1 * 0.1^4 + (5 choose 2) * 0.9^2 * 0.1^3 + (5 choose 3) * 0.9^3 * 0.1^2 + (5 choose 4) * 0.9^4 * 0.1^1\)
= 0.00001 + 0.00045 + 0.0081 + 0.0729 + 0.32805
= 0.40941
Therefore, the probability of at most 4 out of the next 5 patients surviving is 0.40941.
Expected value and variance of the number of trucks that have blowouts out of the next 15 trucks tested:
Let X be the number of trucks out of 15 that have blowouts. X follows a binomial distribution with n=15 and some probability of success p. We are not given the value of p, so we cannot calculate the expected value and variance.
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Round 382.993 to the nearest hundredth
Answer:
383.000 is the answer, I think.
Step-by-step explanation:
A survey was conducted to investigate whether alcohol consumption and smoking are related. In a random
sample of 300 smokers, 196 said they had consumed alcohol at least once in the past week. In an
independent random sample of 300 non-smokers, 159 said they had consumed alcohol in the past week. If
P, is the proportion of smokers in the population who have had a drink in the past week and P is the
corresponding proportion of non-smokers, then a test of the hypotheses H, P, -P-0 against the two-sided alternative produces a test statistic of z=3.07 and a P-value of 0.002. If we had instead analyzed these results with a chi-square test of homogeneity, which of the following would be the test statistic and P-value?
a-942, P-value = 0.002
b. -942, P-value-0.004
-3.07, P-value - 0.004
d. -1.75, P-value = 0.002
e-1.75, P-value=0.004
e) The test statistic and P-value for the chi-square test of homogeneity would be -1.75 and 0.004, respectively.
A chi-square test of homogeneity is a useful tool for comparing two or more categorical variables. In this case, the two variables are smoking (smokers and non-smokers) and alcohol consumption (those who had consumed alcohol in the past week and those who hadn't).
The chi-square statistic is calculated by finding the difference between the observed and expected frequencies of the two groups and squaring it. The expected frequencies are found by multiplying the sample size by the overall probability of success (in this case, drinking alcohol).
The P-value is then calculated based on the chi-square statistic and the degrees of freedom (in this case, one). In this case, the chi-square statistic is -1.75 and the P-value is 0.004.
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can you please help me with this.
Answer:
Step-by-step explanation:
The equation for an arithmetic sequence is
\(a_n=a_1+d(n-1)\) where n is the position of the number in the sequence, a1 is the first number in the sequence, and d is the difference between the numbers in the sequence.
Our first number is 2, so a1 = 2; to get from 2 to 5 we add 3, to get from 5 to 8 we add 3. That means that d = 3. Filling in the standard form of the equation:
\(a_n=2+3(n-1)\) which simplifies to
\(a_n=2+3n-3\) and a bit more to
\(a_n=3n-1\) (which should tell you that arithmetic sequences are lines!)
Finding the 13th number simply requires that we replace n with 13 and solve:
\(a_{13}=3(13)-1\) so
\(a_{13}=38\)
Answer:
38
Step-by-step explanation:
This isn't the most efficient way but it's the best I can do.
2, 5, 8, 11....
The pattern is that we add 3 every time.
2, 5, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38,
1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
We can see that 38 is the 13th term of the sequence.
Solve by factoring Show all your steps
-x²-2x=0
xả +5x +1= 5x+2
x²-4x-8--6x
3x² +12=-21x-24
Solve by completing the square. Show all your steps.
x² - 4x = 32
x²-11 = -4x
Solve by using the Quadratic Formula. Show all your steps.
16x² +8x-8= 4
-x²-3x-13 = -2x²
Answer: To solve -x²-2x=0 by factoring, we can factor out x from the left-hand side:
x(-x-2) = 0
This equation is true if either x = 0 or -x-2 = 0. Solving for x in the second equation:
-x-2 = 0
-x = 2
x = -2
Therefore, the solutions to the equation -x²-2x=0 are x = 0 and x = -2.
To solve x²-4x-8--6x by factoring, we can simplify it first by combining like terms:
x²-10x-8 = 0
To factor this quadratic, we need to find two numbers that multiply to -8 and add to -10. These numbers are -2 and -8, so we can write:
x²-2x-8x-8 = 0
(x²-2x) - (8x+8) = 0
x(x-2) - 8(x+1) = 0
(x-8)(x-2) = 0
Therefore, the solutions to the equation x²-4x-8--6x are x = 8 and x = 2.
To solve 3x² +12=-21x-24 by completing the square, we first need to move all the terms to one side:
3x² + 21x + 36 = 0
Next, we divide both sides by 3 to simplify the coefficient of x²:
x² + 7x + 12 = 0
To complete the square, we need to add and subtract (7/2)² = 49/4 inside the parentheses:
x² + 7x + 49/4 - 49/4 + 12 = 0
(x + 7/2)² = 1/4
Taking the square root of both sides and solving for x, we get:
x + 7/2 = ±1/2
x = -7/2 ± 1/2
Therefore, the solutions to the equation 3x² +12=-21x-24 by completing the square are x = -4 and x = -3.
To solve -x²-3x-13 = -2x² by using the quadratic formula, we first need to move all the terms to one side:
-x² + x - 13 = 0
Next, we identify the coefficients a, b, and c:
a = -1, b = 1, c = -13
Substituting these values into the quadratic formula:
x = (-b ± sqrt(b² - 4ac)) / 2a
x = (-1 ± sqrt(1² - 4(-1)(-13))) / 2(-1)
x = (-1 ± sqrt(1 + 52)) / (-2)
x = (-1 ± sqrt(53)) / (-2)
Therefore, the solutions to the equation -x²-3x-13 = -2x² by using the quadratic formula are approximately x = -3.25 and x = 4.25.
Step-by-step explanation:
Find the area of the smaller sector.
Round to the nearest tenth.
77⁰
10.7 in
Area = [? ]in²
The area of the smaller sector is 76.9 degrees.
How to find the area of a sector?The area of the smaller sector can be found as follows:
Therefore,
area of a sector = ∅/ 360 × πr²
where
∅ = central angler = radiusTherefore,
∅ = 77 degrees
r = 10.7 inches
area of the sector = 77 / 360 × 3.14 × 10.7²
area of the sector = 77 / 360 × 3.14 × 114.49
area of the sector = 27681.3922 / 360
area of the sector = 76.8927561111
area of the sector = 76.9 degrees
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the area of a 12-cm- wide rectangle is 180cm. what is its length?
Answer:
multiply the legth times width
Step-by-step explanation:
Find Product
-3x(8x^2+2x-4)
Answer:
−243−62+12
Step-by-step explanation:
The terminal point P(x, y) determined by a real number t is given. Find sin t, cost, and tan t. (4/5, 3/5)
sin t = cos t = tan t =
The terminal point of sin t, cost, and tan t is:
sin t = 3/5
cos t = 4/5
tan t = 3/4
To find sin t, cos t, and tan t for the terminal point P(x, y) = (4/5, 3/5) determined by a real number t, we need to use the trigonometric ratios of sine, cosine, and tangent.
First, we need to find the values of x and y from the given coordinates of P. Since P is on the unit circle, we know that the distance from the origin to P is 1.
Therefore, we can use the Pythagorean theorem to find the value of the missing side:
x^2 + y^2 = 1^2
(4/5)^2 + (3/5)^2 = 1
16/25 + 9/25 = 1
25/25 = 1
So, x = 4/5 and y = 3/5.
Next, we can use the definitions of sine, cosine, and tangent to find their values for t:
sin t = y/1 = 3/5
cos t = x/1 = 4/5
tan t = y/x = (3/5)/(4/5) = 3/4
Then, we obtain:
sin t = 3/5
cos t = 4/5
tan t = 3/4
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Stan worked 4 years less than Marco. This year Stan has worked 29 years. If b is how long Marco worked, the equation b – 4 = 29 represents this situation. How can you get the variable alone on one side of the equation?
Answer:
Add to Both sides
Step-by-step explanation:
what is the measure of angle WZY in the given figure?
a.)25°
b.)40°
c.)60°
d.)70°
please help asap!!!!!!!!!!!!!
Answer:
I'm also trying to figure this out, but I know that the answer isn't 40.
Step-by-step explanation:
Answer:
B. 25 degrees
Step-by-step explanation:
Jim takes great pride in decorating his float for the homecoming parade for his high school. With the $5,000 he has to spend, Jim buys 5,000 carnations at $0.30 each, 4,000 tulips at $0.60 each, and 300 irises at $0.25 each. Write an inequality which describes how many roses, r, Jim can buy if roses cost $0.80 each.
Jimmy may purchase \(820\) roses for $\(0.80\) each, which is an inequality.
What is a good illustration of inequality?The equation-like form of the formula 5x 4 > 2x + 3 has an arrowhead in lieu of the equals sign. That is an illustration of inequality. This shows that the left half, 5x 4, is bigger than the right part, 2x + 3.
Is India a country with inequality?Throughout the recent past, wealth disparity in India has grown, with the wealthy gap ranking among the widest among various comparable nations. According to household polls, inequality may have decreased slightly along with the recent slowdown in growth.
\(r = (5000 - [(5000 * 0.3) + (4000 * 0.6) + (300 * 0.25)])0.8\)
\(r = (5000 - [1500 + 2400 + 75])0.8\)
\(r = (5000 - 3975)0.8\)
\(r = 1025(0.8)\)
\(r = 820\)
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If f(x) = x+10, find f(7)
\(f(x)=x+10\\\\f(7)=(7)+10\\\\f(7)=17\)
the answer is 17.
Answer:
The answer is 17, x±10 =10+7= 17
Substitute with One Solution
2x -y=-11
6x + y = 3
Answer:
x=1, y = -3
Step-by-step explanation:
2x -y=-11
6x + y = 3
Add the two equations together
2x -y=-11
6x + y = 3
--------------------
8x = 8
Divide by 8
8x/8 = 8/8
x= 1
Now find y
6x+y = 3
6(1) +y = 3
6+y =3
Subtract 6 from each side
6+y-6 = 3-6
y = -3
-2x-+5x-9
3x-13
simplify the expression
Answer:
(-2x)-5x-9 = (-7x)-9
3x - 13 = 3x - 13 (you cannot simplify more)
Your question was wery wierd but i tried to answer best I could.
And also I dont know what you mean about "-+5"
Answer:
(-7x-9)+(3x-13)= -4x-22
Simplify the first one -2x-(5x)-9= -7x-9
Put the thing together that fit (Add the terms together)
:)Hope you enjoy this:)an = - 10+5n : find the 21st term in the sequence
Answer:
Step-by-step explanation:
a₂₁ = -10 + 5(21) = 95