Consider the following system of equations.
Which statement describes why the system has two solutions?
A. Each graph has one y-intercept, which is a solution.
B. Each graph has one vertex, which is a solution.
C. The graphs of the equations intersect the x-axis at two places.
D. The graphs of the equations intersect each other at two places.
Answers
The solution of a system of equations is the set of points of intersection of the graphs of the equations.
The answer is D.
Answer:
D. Each has a slope of –3, but one has a y-intercept of 3 and the other has a y-intercept of –1, which makes the lines equivalent.
Step-by-step explanation:
If you look at the graph (Firstly), you can see that both lines look similar, which is one big hint to this question. But (secondly), like the other person said, both have equivalent y-intercepts in each problem. I saw an open spot for me to answer this so I took it UuU!
Also Just Realized This Is A Totally Diff Question On My Quiz, So The Question That Goes With This Answer Is "Consider the equations and graph below.
y = negative 3 (x minus 1). Y = negative 3 x minus 1
On a coordinate plane, 2 lines are parallel to each other.
Which explains why this system has no solution?"
Related Questions
The easton west high school marching band has 52 members and the weston HIgh school marching band has 65 members.They are going to march in a parade. How can they be arranged so that each row has the same number of players? the players in each school have to separate.
A)Rows of 4
B)Rows of 13
C)Rows of 5
D )Rows of 8
Need help ASAP
Answers
Answer: Option 'B' is correct.
Step-by-step explanation:
Since we have given that
Number of members in the easton west high school marching = 52
Number of members in the weston high school marching = 65
We need to find the number of rows so that each row has the same number of players.
For this we will do L.C.M. of 52 and 65.
So, L.C.M. of 52 and 65 = 13
Hence, there are 13 rows in all.
Therefore, Option 'B' is correct.
For the values a = 3.4 and b = 2.6, which are legs of a right triangle, find c, the hypotenuse, to the nearest tenth.
Answers
c^2 = 3.4^2 + 2.6^2
c^2 = 11.56 + 6.76
c^2 = 18.32
c = 4.3
answer
c = 4.3
hypotenuse = c
c^2 = 3.4^2 + 2.6^2
c^2 = 11.56 + 6.76
c^2 = 18.32
c = sqrt(18.32) = 4.28
rounded to nearest tenth = 4.3
Explain when the median of a data set is a better measure of center than the mean
Answers
for example, if you were given the data set 20, 21, 23, 26, 30, 34,105, the median (26) would be better than the mean (37) since there is a HUGE outlier, which completely messes up the mean. 37 is obviously not the center, but 26 is a good representation of the data set.
Hope I helped you!!
Answer:
Sample Response: When there is an outlier in the data set, the dot plot or histogram will be skewed. In a skewed representation, the mean is pulled up or down toward the tail of the data. Therefore, skewed data affects the mean more than the median.
What did you include in your response? Check all that apply.
The dot plot or histogram will be skewed.
The mean is pulled up or down toward the tail.
The mean is affected more than the median.
Expressed as a percent, 0.325 is less than 100%. True False
Answers
.325 expressed as a percentage would be 32.5%
just remember 1.00 is 100%
so it is less then 100%...true
What are five properties preserved under a translation?
Answers
- Distance Where the lengths of the segments stay the same.
-Angle Measures These remain the same.
-Parallelism Where the parallel lines will stay parallel.
-Collinearity The points will stay on the same line.
-Orientation The order of the letters will stay the same.
Quiz/Survey Quiz Week 4 - Unexpected Events A
1. What happens if you don't pay your car insurance premium for your vehicle? Your car payments will increase
You are not insured
You are driving illegally
Any insurance claim isn't processed and your car doesn't get fixed
Your are not insured and are driving illegally
2. Suppose that you only have liability and comprehensive car insurance and you allow your roommate (who doesn't have car insurance) to drive your car to run an errand. What will likely happen if there is a single-car accident causing moderate damage to your car while your roommate is driving?
Your insurance policy will likely not cover the damages to your car.
Your friend will likely go to jail for theft of your car and destruction of property. Your friend will likely receive fines for driving without insurance.
Your insurance will likely pay for the damages and add your friend's accident to your record.
3. John, Alyson and Jared all selected identical new cars at the same price. John bought the car with some of his own money and the rest a car loan. Alyson bought the car with cash. Jared leased the car. What is true about their options for car insurance?
Alyson has the option to choose the less expensive liability-only insurance coverage.
John and Alyson have the option to choose the less expensive liability-only insurance coverage.
Alyson and Jared have the option to choose the less expensive liability-only insurance coverage.
John, Alyson and Jared all have the option to choose the less expensive liability-only insurance coverage.
4. William pays his $500 premium every 6 months for automobile insurance with collision coverage. His deductible is $750. William caused a minor accident that resulted in $700 of damages to his car and $1,100 of damages to the other car. William's car looks and drives fine and he chooses not to file a claim to repair his car. How much will William pay out-of-pocket to have the other car fixed?
$1,550
$750
$0
$1,100
$500
$800
5. When Lisa purchased her house, the mortgage lender required her homeowner's insurance to cover 100% of the loan amount. After many years, Lisa paid off her mortgage. If Lisa decided to comparison shop for homeowner's insurance now, what should the insurance coverage amount be based on…
The market value of the house
The original cost to build the house
The cost to rebuild the house
The appraised value of the house
6. How can understanding risk management topics help in everyday life?
It can help you evaluate the risks involved with situations you might face while driving, hanging out with friends, or being adventurous.
It can help you avoid large medical bills incurred because you have no medical insurance.
It can help safeguard your credit and protect you from lawsuits.
All answers are correct
Answers
1. What happens if you don't pay your car insurance premium for your vehicle?
Your are not insured and are driving illegally.
2. Suppose that you only have liability and comprehensive car insurance and you allow your roommate (who doesn't have car insurance) to drive your car to run an errand. What will likely happen if there is a single-car accident causing moderate damage to your car while your roommate is driving?
Your insurance policy will likely not cover the damages to your car.
3. John, Alyson and Jared all selected identical new cars at the same price. John bought the car with some of his own money and the rest a car loan. Alyson bought the car with cash. Jared leased the car. What is true about their options for car insurance?
Alyson has the option to choose the less expensive liability-only insurance coverage.
4. William pays his $500 premium every 6 months for automobile insurance with collision coverage. His deductible is $750. William caused a minor accident that resulted in $700 of damages to his car and $1,100 of damages to the other car. William's car looks and drives fine and he chooses not to file a claim to repair his car. How much will William pay out-of-pocket to have the other car fixed?
$0
5. When Lisa purchased her house, the mortgage lender required her homeowner's insurance to cover 100% of the loan amount. After many years, Lisa paid off her mortgage. If Lisa decided to comparison shop for homeowner's insurance now, what should the insurance coverage amount be based on…
The market value of the house.
6. How can understanding risk management topics help in everyday life?
All answers are correct.
Suppose rebecca needs a dog sitter so that she can travel to her sister's wedding. rebecca values dog sitting for the weekend at $200. susan is willing to dog sit for rebecca so long as she receives at least $175. rebecca and susan agree on a price of $185. suppose the government imposes a tax of $30 on dog sitting. the tax has made rebecca and susan worse off by a total of
Answers
Final answer:
With the imposition of a $30 tax on dog sitting, Rebecca and Susan would both be worse off by the combined surplus of $25 they initially had without the tax, as the tax exceeds the surplus and disrupts the transaction.
Explanation:
The question involves the impact of a tax on a market transaction between Rebecca and Susan, who had initially agreed upon a price for dog sitting. Initially, without the tax, the surplus for Rebecca would be the difference between what she values the service at ($200) and the agreed price ($185), which is $15. For Susan, the surplus is the difference between the agreed price ($185) and her minimum acceptable price ($175), which is $10. This results in a combined surplus of $25. When a $30 tax is imposed, it is likely that they will share the burden of the tax, but without specifics on how the tax is divided, we will consider it fully affects either party. If the full tax falls on Susan, she would receive $155 ($185 - $30), which is less than her minimum price of $175; thus, she would no longer agree to dog sit. If Rebecca bears the entire tax, she would effectively be paying $215 ($185 + $30), which is more than her valuation of $200, and she would not agree to the transaction. Regardless, the transaction would not occur due to the tax, making both parties worse off by the surplus they would have gained, which is the combined $25.
Bonita is testing prototype model rocket engines. To be considered a successful launch, the rocket must reach a height of at least 24 ft and must go a horizontal distance of no more than 10 ft. The vertical height must be at least three times as high as the horizontal distance. No rocket should go higher than 33 ft.
The graph shows the feasible region, where x represents the horizontal distance and y represents the vertical distance.
Which ordered pairs meet all the constraints for a successful launch and make sense in context of the situation?
Select each correct answer.
(0, 33)
(4, 36)
(4.8, 30.5)
(9, 26)
(2, 22)
Answers
24 ≤ y ≤ 33
x ≤ 10
y ≥ 3x
So, (0, 33) & (4.8, 30.5)
Therefore, (0, 33) & (4.8, 30.5) are the correct answers.
The given constraints are
(a) y ≥ 24 ft
(b ) x ≤ 10 ft
(c) y ≥ 3x
(d) y ≤ 33 ft
The acceptable region is shown shaded.
A (0, 33) satisfies all conditions
B (4, 36) fails condition (d)
C (4.8, 30.5) satisfies all conditions
D (9, 26) fails condition (c)
E (2, 22) fails condition (a)
Answer:
The acceptable points are A and C.
1. what is the product of 3/4 and - 6/7?
1. -7/8
2.-9/14
3. 9/14
4. 7/8
2. what is the product of -2/7 and -3/7?
1. -7/8
2.-6/49
3. 6/49
4. 7/8
How do the expressions 72÷ 9 and -72÷ (-9) compare when they are evaluated?
1. They have different values and are different signs.
2. They have different values but are the same sign.
3. They have the same value but are different signs.
4. They have the same value and the same sign.
thank you for all the answers;)
Answers
1. 3/4 X -6/7 = -18/28 = -9/14
2. -2/7 X -3/7 = 6/49
3. 4 because 72/9 is 8. -72/-9 is 8. Two negatives makes a positive when multiplying and dividing.
Answer:
1. -9/14
2. 6/49
3. number 4
Step-by-step explanation:
Vivian is going to do some yard work, but she needs to leave her house at 1:00 to go to a football game. She is going to mow the lawn for 1 hour and 10 minutes, trim some bushes for 30 minutes, and put down some mulch for 35 minutes. She will also need 20 minutes to shower and get dressed. What time should she start the work so she will be ready at 1:00?
Answers
Answer:
Vivian should start working by 10.25 am.
Step-by-step explanation:
Time taken to mow the lawn = 1 hour and 10 minutes
Time to trim bushes = 30 minutes
Time for putting down mulch = 35 minutes
Time to get dressed = 20 minutes.
Total time = 1 hour + (10+30+35+20) minutes
= 1 hour + 95 minutes
= 1 hour + (60+35) minutes
= 1 hour + 1 hour + 35 minutes
= 2 hours 35 minutes.
This means Vivian should start working 2 hours 35 minutes before 1:00 pm.
So, it becomes ; 10:25 am.
This is the process of predicting values for points which occur between those given in a set of bivariate data.
Answers
Simone has 5 employees in her flower shop. Each employee works 6 4⁄15 hours per day. How many hours, in total, do the 5 employees work per day?
A. 30
B. 31 1⁄3
C. 28
D. 30 2⁄3
Answers
The 5 employees work per day is [tex]31\frac{1}{3}[/tex].
What is arithmetic operations?A subfield of mathematics known as arithmetic operations deals with the study and application of numbers to all other subfields of mathematics. Operations like addition, subtraction, multiplication, and division make up the bulk of it.
These essential numerical tasks (+, - , ×, and ÷) we use in our regular day to day existence. Arithmetic operations are used in every aspect of our lives, whether we need to figure out the annual budget or divide something equally among several people.
Given total employees in flower shop = 5
each employee work [tex]6\frac{4}{15}[/tex] hours per day
[tex]6\frac{4}{15}[/tex] can be solved as = 6 + 4/15 = 94/15
total work time of 5 employees can be calculated by
94/15 + 94/15 + 94/15 + 94/15 + 94/15 = 470/15 = 94/3
or 5 x 94/15 = 94/3
dividing 94 by 3 we get [tex]31\frac{1}{3}[/tex] in mixed fraction.
Hence the total work 5 employees do in a day is [tex]31\frac{1}{3}[/tex].
Learn more about arithmetic operations;
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For an object whose velocity in ft/sec is given by v(t) = −t^2 + 4, what is its displacement, in feet, on the interval t = 0 to t = 3 secs?
7.67
−3.00
−0.33
3.00
Answers
Answer:
The answer is 3 feet
Step-by-step explanation:
The displacement function is the integration of the velocity formula, so:
[tex]d(t)=\int\limits^0_t \, (-t^{2} +4) dt \\d(t)=\int\limits^0_t{} \, (-t^{2}) dt + \int\limits^0_t{} \, 4 dt \\\\d(t)=(\frac{-t^{3} }{3} + C ) + (4t + C)\\\\\\\ d(t)=frac{-t^{3} }{3} + 4t + C\\[/tex]
if we evaluate the displacement for the upper and lower limit it would be
D = total displacement = d(3) - d(0)
[tex]D=(\frac{-3^{3} }{3} + 12 + C) - (\frac{-0^{3} }{3} + 4*0 + C)\\\\D=(-9 + 12 + C) - (0 + 0 + C)\\\\\\D=(3 + C) - C\\\\\\D=3[/tex]
Answer:
3 feet
Step-by-step explanation:
The relationships between displacement (position), velocity and acceleration are:
[tex]\boxed{\boxed{\begin{array}{c}\textbf{DISPLACEMENT (s)}\\\\\text{Differentiate} \downarrow\qquad\uparrow\text{Integrate}\\\\\textbf{VELOCITY (v)}\\\\\text{Differentiate}\downarrow\qquad\uparrow \text{Integrate}\\\\\textbf{ACCELERATION (a)}\end{array}}}[/tex]
Displacement is an object’s distance from a particular point (often its starting point), measured in a straight line. It’s not necessarily the same as the total distance travelled.
To find the displacement of an object in its first 3 seconds of travel, we need to integrate its velocity function on the interval [0, 3] seconds.
[tex]\begin{aligned}\displaystyle \int^3_0 (-t^2+4)\; \text{d}t&=\left[\dfrac{-t^{2+1}}{2+1}+4t\right]^3_0\\\\&=\left[-\dfrac{t^{3}}{3}+4t\right]^3_0\\\\&=\left(-\dfrac{(3)^{3}}{3}+4(3)\right)-\left(-\dfrac{(0)^{3}}{3}+4(0)\right)\\\\&=-9+12+0-0\\\\&=3\end{aligned}[/tex]
Therefore, the displacement of the object on the interval [0, 3] seconds is 3 feet.
Which of the following represents side lengths that form a Pythagorean triple?
A. 7, 8, 9
B. 1, 2, 3
C. 4, 5, 6
D. 3, 4, 5
Answers
Answer:
D. 3, 4, 5
Step-by-step explanation:
Pythagorean theorem : [tex]Hypotenuse^2 = Perpendicular^2+Base^2[/tex]
If the given options satisfy the theorem .So, they form a Pythagorean triple.
Hypotenuse is the longest Side
A)7, 8, 9
Hypotenuse = 9
[tex]Hypotenuse^2 = Perpendicular^2+Base^2[/tex]
[tex]9^2 = 7^2+8^2[/tex]
[tex]81 = 49+64[/tex]
[tex]81 \neq 113[/tex]
Hence not a Pythagorean triple.
B)1,2,3
Hypotenuse = 3
[tex]Hypotenuse^2 = Perpendicular^2+Base^2[/tex]
[tex]3^2 = 2^2+1^2[/tex]
[tex]9 = 4+1[/tex]
[tex]9 \neq 5[/tex]
Hence not a Pythagorean triple.
C) 4,5,6
Hypotenuse = 6
[tex]Hypotenuse^2 = Perpendicular^2+Base^2[/tex]
[tex]6^2 = 3^2+4^2[/tex]
[tex]36 = 9+16[/tex]
[tex]36 \neq 25[/tex]
Hence not a Pythagorean triple.
D)3,4,5
Hypotenuse = 5
[tex]Hypotenuse^2 = Perpendicular^2+Base^2[/tex]
[tex]5^2 = 3^2+4^2[/tex]
[tex]25 = 9+16[/tex]
[tex]25 = 25[/tex]
Hence a Pythagorean triple.
Hence Option D represents side lengths that form a Pythagorean triple
Answer:
it is D 3,4,5
diane charges $10 for a house call plus $35 an hour for electrical work. if she made $150 on one job,how many hours did she work?
Answers
35x =140 (subtraction property)
x = 4
Answer: she worked for 4 hours
From what I can understand from your question,
35x + 10x= $150
45x= $150
x= $150 / 45
= 3.333333 hrs
= 3 1/3 hrs
Pardon me if this is wrong
Hope this helps:))
~Top
Suppose an airplane climbs 15 feet for every 40 feet it moves forward. What is the slope of this airplane's ascent?
Answers
[tex] \frac{15}{40} [/tex]
thats the slope, you can also get a decimal out of it
Answer:
D) 3/8
Step-by-step explanation:
how do you make this equation 13+5y=6x into slope-intercept form?
Answers
so,
13+5y=6x
Subtract 13 on both sides.
5y=6x-13
Divide by 5 on both sides.
y=6/5 x -13/5
Determine the function which corresponds to the given graph. a natural logarithmic function crossing the y axis at zero and going through the point 2,1.
The asymptote is x = -1.
Answers
notice, is ln(x), but just shifted horizontally to the left by 2 units, thus (x + 2)
Answer:
The function for the given description is y = ln (x + 1) - 0.098 .
Step-by-step explanation:
As you can see in the problem the asymptote is x = -1. This means that the function is not defined for x= -1 and as you know, natural logarithm is not defined for zero. So, it implies that when x tends to -1 the function tends to infinite. So it must be a number adding to x that makes -1 + b = 0 ⇒ b= 1.
Then, you have y = ln (x + 1). If you check, when you replace the point given in the problem (2,1), you find that y = ln (2 + 1) ⇒ y = ln(3) ⇒ y = 1.098, so you can introduce a correction factor ⇒ y = ln (x + 1) - 0.098.
Summarizing, the function decribed before can be y = ln (x + 1) - 0.098.
When is g(x) = 0 for the function g(x) = 5⋅23x + 4?
when x = 0
when x = 1
when x = 4
never
Answers
hope this helps!!
5(23 X 0) + 4 = 4
5(23 X 1) + 4 = 119
5(23 X 4) + 4 = 464
None of those will make the answer g(x) = 0
NEVER
What is the measure of ∠DAE? 45° 46° 91° 146°
Answers
Answer:
The answer/measure is 45 degress.
Step-by-step explanation:
The measure of ∠DAE is 45°.
What is an angle?An angle is a geometry in plane geometry that is created by 2 rays or lines that have an identical terminus.
The identical endpoint of the two rays—known as the vertex—is referenced as an angle's sides.
In the given figure let's say angle FAE = x than
x = 180 - 134 = 46 degree
Now by line CAF angle ∠DAE = 180 - ( 89 + 46 ) = 45° hence it will be correct answer.
For more about the angle
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Find the measures of angles x,y, and z
Answers
What is Curtis's net pay?
Answers
regular earnings + overtime = 421.00 + 78.00 = 499.00
add all the deductions: 29.59 + 30.75 + 18.30 + 25.00 + 7.50 + 5.00 = 116.14
subtract deductions from pay:
499.00 - 116.14 = 382.86
Answer is B $382.86
The school is planning a field trip. There are 14670 students and 48 seats on each school bus. How many buses are needed to take the trip?
plz explain how you got your answer
Answers
48*305=14,640....... so you will need 1 more for 14670..... so 306 is the answer.
describe how you could estimate thw IQR of the data set from a histogram
Answers
Answer: Once you put the numbers in order and find the median do the same process that you did to find the median to the left and right side of the median. Once you find the " median " of the left and right sides ( which are called the 1st and 3rd Quartiles ) You will subtract the 1st quartile from the 3rd Quartile and that will give you the IQR.
Step-by-step explanation:
If triangle ABC is congruent to triangle XYZ, then which of the following is congruent to ∠A?
∠C
∠X
∠Y
∠Z
Answers
Answer: ∠X
Step-by-step explanation:
If ΔABC is congruent to ΔXYZ then their corresponding parts must be congruent by CPCTC.
To find the corresponding angle to ∠A, just check the position of A in the name of ΔABC,
A is the first letter in the name of ΔABC, thus the angle corresponding to ∠A is ∠X.
CPCTC (congruent parts of corresponding angles are congruent) tells that if two triangles are congruent then the corresponding angles and sides are congruent .City A and City B had two different temperatures on a particular day. On that day, four times the temperature of City A was 8° C more than 3 times the temperature of City B. The temperature of City A minus twice the temperature of City B was −3° C. What was the temperature of City A and City B on that day?
Your answer:
City A was 5° C, and City B was 4° C.
City A was 3° C, and City B was −1° C.
City A was 8° C, and City B was −3° C.
City A was 5° C, and City B was −5° C.
Answers
City A = x
City B = y
1st equation: 4x-8 =3y
2nd equation: x-2y = -3 , rewrite as x = 2y-3
replace x in eq. 1 with equation 2
4(2y-3) -8 =3y
8y-12-8=3y
8y-20 = 3y
-20 = -5y
y = -20/-5 = 4
x = 2y-3 = 2(4)-3 = 5
City A was 5° C, and City B was 4° C.
The formula to convert Celsius to Fahrenheit is f= 9/5c+32. Convert 45degreesF to Celsius. Round to the nearest degree.
Answers
Answer:
45 degrees Fahrenheit = 7.3 Celsius
Step-by-step explanation:
The formula to convert Celsius to Fahrenheit is given by :
[tex]F=\dfrac{9}{5}C+32[/tex]
In this case, it is required to convert degree Fahrenheit to Celsius. It can be simply done by putting the value of F = 45 degrees Fahrenheit to Celsius. So,
[tex]C=\dfrac{(F-32)5}{9}[/tex]
[tex]C=\dfrac{(45-32)5}{9}[/tex]
C = 7.222
or
T = 7.3 Celsius
So, 45 degrees Fahrenheit is equal to 7.3 Celsius. Hence, this is the required solution.
Express each product in the simplest form.
Answers
The answer is 4! I say this becuase I have a very very special calculater that answer all math question.
Have a darn blessed day!
PLEASE HELP! Complete the truth table and determine whether or not the following statement is a tautology, a contradiction, or neither. ∼(∼p∧q)∧(p∨q)∼(∼p∧q)∧(p∨q). I attached an image.
Answers
(ihavenoideawhattheanswerisbutpleasespareme)
A time-ordered plot of representative sample statistics is called a:
Answers
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