if m*n=-12 and m+n=11 what is m? what is n?
x^2+11x-12=(x+m)(x+n)
Answer:
i think its -10
Step-by-step explanation:
hope im not wrong
Math school please need help
Answer:
r² = (9 - 4)² + (6 - 4)² = 5² + 2² = 25 + 4 = 29
So the equation of this circle is
(x - 4)² + (y - 4)² = 29
10 divided by \(\frac{1}{2}\)
20
10÷1/2
≈10/1÷1/2
KFC
10/1×2/1
=20/1=20
Hope this helped- have a good day, cya)
3. The decimal expansion of 13/625 will terminate
after how many places of decimal?
(a) 1
(b) 2
(c) 3
(d) 4
The decimal expansion of the given fraction is 0.0208. Therefore, the correct answer is option D.
The given fraction is 13/625.
Decimals are one of the types of numbers, which has a whole number and the fractional part separated by a decimal point.
Here, the decimal expansion is 13/625 = 0.0208
So, the number of places of decimal are 4.
Therefore, the correct answer is option D.
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In ΔQRS, the measure of ∠S=90°, SQ = 9.7 feet, and RS = 1.3 feet. Find the measure of ∠R to the nearest degree.
Answer: 82
Step-by-step explanation:
Answer:
Step-by-step explanation:
Rachel got a prepaid debit card with $30 on it. For her first purchase with the card, she bought some bulk ribbon at a craft store. The price of the ribbon was 21
cents per yard. If after that purchase there was $20.97 left on the card, how many yards of ribbon did Rachel buy?
43 yards because she spent 9.03 cents on ribbon 9.03 divided by 0.21=43
Isaac planted 64 fewer trees than Leon. Leon planted t trees. Write an expression that
shows how many trees Isaac planted.
Tom hypothesizes that there is a relationship between air pressure and rainfall. He records air pressure and rain amounts for three months. Each month, he seems to get different results. What is the most likely explanation for this?
Answer:
Missing data points
Step-by-step explanation:
Given that there are 12 calendar months in a year, and there are clearly defined raining season in some areas which may last for months, following periods of low rainfall or zero precipitation, the sample should include all the months of the year so as to ensure, that the effect that causes rainy season such as the landward direction of moist air from the sea or the seaward of air during periods of dry season.
Other possible causes includes;
Heteroscedasicity
This occurs when the variability of the dependent variable is not constant with regards to the independent variable
Multiple linear regression
The relationship between rainfall and air pressure as well as other factors is a multiple linear regression
to graph an exponential, you need to plot a few points, and then connect the dots and draw the graph. where do you come up with the values to use in the graph
When graphing an exponential function, a T-chart is commonly used to determine the values. The correct answer is option A.
The T-chart employs positive real numbers since this is the most typical form of exponential function.
Exponential functions are utilized to represent processes that increase or decrease exponentially, as well as to model phenomena in many different disciplines, including science, economics, and engineering.
The exponential function can be represented by the following equation:
\(y=a^x\), where a is the base, x is the exponent, and y is the outcome.
When a is a positive number greater than one, the function is called exponential growth, while when a is a fraction between 0 and 1, the function is called exponential decay.
The T-chart is used to determine the values to use in the graph and connect the dots as required. Positive real numbers are used as the values in the T-chart in order to effectively graph the exponential function.
Therefore, the correct answer is option A.
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figure A is a scale copy of figure B
The value of x is 42.
To determine the value of x, we need to analyze the given information regarding the scale factor between Figure A and Figure B.
The scale factor is expressed as the ratio of the corresponding side lengths or dimensions of the two figures.
Let's assume that the length of a side in Figure B is represented by 'x'. According to the given information, Figure A is a scale copy of Figure B with a scale factor of 2/7. This means that the corresponding side length in Figure A is 2/7 times the length of the corresponding side in Figure B.
Applying this scale factor to the length of side x in Figure B, we can express the length of the corresponding side in Figure A as (2/7)x.
Given that the length of side x in Figure B is 12, we can substitute it into the equation:
(2/7)x = 12
To solve for x, we can multiply both sides of the equation by 7/2:
x = (12 * 7) / 2
Simplifying the expression:
x = 84 / 2
x = 42
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P(A)=0.42, P(B)=0.23 and P(A and B)=0.50, find P(A andB)
Answer:
0.52=0.42+0.23-P(A and B)
P(A and B)=0.13.
Step-by-step explanation:
If this is right, please rate. Im sure its right though.
in xy plane, the unit circle with center at the origin o contains point a with 1,0 and point b with (3/5, 4/5)
Point A (1, 0) and point B (3/5, 4/5) both lie on the unit circle with center at the origin.
A circle is a geometric shape defined as the set of all points in a plane that are equidistant from a fixed point called the center. The distance between any point on the circle and the center is called the radius.
Center: The center is a fixed point in the plane from which all points on the circle are equidistant. It is denoted by the coordinates (h, k), where h represents the x-coordinate and k represents the y-coordinate of the center.
Radius: The radius is the distance between the center of the circle and any point on the circle. It is denoted by the letter "r". The radius is constant for all points on the circle.
Diameter: The diameter is a line segment passing through the center of the circle and with endpoints on the circle. It is twice the length of the radius, and it divides the circle into two equal halves.
In the xy-plane, the unit circle with center at the origin (0, 0) is defined by all the points that are at a distance of 1 unit from the origin.
Point A: (1, 0)
Point A lies on the x-axis and is 1 unit away from the origin. It represents a point on the unit circle.
Point B: (3/5, 4/5)
Point B lies on the unit circle but is not one of the standard points (such as (1, 0), (-1, 0), (0, 1), or (0, -1)). Instead, it represents a point on the unit circle with coordinates (3/5, 4/5). The x-coordinate of B is 3/5, and the y-coordinate is 4/5. The distance between point B and the origin (0, 0) is 1 unit, which satisfies the condition of being on the unit circle.
Therefore, point A (1, 0) and point B (3/5, 4/5) both lie on the unit circle with center at the origin.
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At the store 5 lbs of apples costs $6.70. What is the constant of proportionality that relates x, pounds of apples to y, cost in dollars?
Answer:
5x=6.70y
Step-by-step explanation:
please help me... anyone?
Step-by-step explanation:
a.) you have to substitute f(5) into the formula
f(x) = 3x^2 + 5
you do this by inserting five into your x :
f(x) = 3x^2 + 5
f(5) = 3(5^2) + 5
= 3(25) + 5
= 75 + 5
f(5) = 80
b.) to solve for g(5) ,, you do the exact same but with the formulae g(x) = 11x - 10
g(x) = 11x - 10
g(5) = 11(5) - 10
= 55 - 10
g(5) = 45
. we can see that f(5) is the greater quantity ,, furthermore it is greater by 35 . =
f(5) = 80 g(5) = 45
80 - 45
= 35
HELP ASAPPPPP PLEASEE
Answer:
A, B, B, A.
Step-by-step explanation:
The corner is 90 degrees. Therefore it has one right angle and is right. An isosceles triangle has 2 sides of equal length.
Answer:
abba.
Step-by-step explanation:
ksksskskwkwrandommmmmm
Write the slope-intercept form of the given line. Include your work in your final answer. Type your answer in the box provided to submit your solution.
Answer:
y = -3 ÷ 2x - 3
Step-by-step explanation:
As it can be seen that the line is passed by y-axis at -3.
Now we have to determine the slope
For this, use the following formula
= (x2 - x1) ÷ (y2 - y1)
At
(-2, 0), (0, -3)
So,
= (-3-0) ÷ (0+2)
= -3 ÷ 2
Now
Put in the following equation
y = mx + b.
where,
m = slope
b = y-intercept
So,
y = -3 ÷ 2x - 3
Which situation is best represented by the equation y = 5x + 10?
Answer:
i will say its A
Step-by-step explanation:
Find the sum of (8.6 x 106) and (3.7 x 105). Write the final answer in scientific notation.
8.97 x 105
8.97 x 106
1.23 x 1010
12.3 x 1011
Answer:
8.97 x \(10^{6}\)
Step-by-step explanation:
To add in scientific notation, the exponents need to be the same for the bases of 10. You can either make them both to the exponent of 6 or 5. It does not matter. I made them both to the power of 5
(8.6 x \(10^{6}\)) + (3.7 x \(10^{5}\))
(86 x \(10^{5}\)) + (3.7x\(10^{5}\))
(86 x 3.7) x \(10^{5}\)
89.7 x\(10^{5}\) Rewrite in scientific notation
8.97 x \(10^{6}\)
The act of collecting data that are representative of the population data is called _________.
Answer: Random Sampling
Step-by-step explanation:
The act of collecting data that are representative of the population data is called random sampling.
What is ittttttttttttttt
The value of (a) 125 / 78125 and (b) 1296 / 7776.
What is exponential power?
In mathematics, power defines a base number raised to the exponent, where the base number is the factor that is multiplied by itself and the exponent denotes the number of times the same base number is multiplied.
To solve 5³ * 5⁻⁷, we can simplify the exponents first:
5³ = 125
5⁻⁷ = 1 / 5⁷
So, the expression simplifies to:
125 * (1 / 5⁷) = 125 / 78125
To solve 6⁴ * 6⁻⁵, we can simplify the exponents first:
6⁴ = 1296
6⁻⁵ = 1 / 6⁵
So, the expression simplifies to:
1296 * (1 / 6⁵) = 1296 / 7776
Hence, The value of (a) 125 / 78125 and (b) 1296 / 7776.
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__________ is the IV and ____________ is the DV.
a. Gender: GSR
b. GSR: gender
c. Gender : Time
d. Breast feeding: GSR
Gender is the independent variable (IV) and Galvanic Skin Response (GSR) is the dependent variable (DV). This means that you are investigating how differences in gender might affect the GSR.
So, the correct is A. Gender: GSR
What's meant by Gender and GSRGender, as the IV, refers to the classification of individuals as male, female, or other, while GSR, as the DV, is a physiological measure of emotional arousal, often used in psychological research.
By examining the relationship between these two variables, you aim to determine whether variations in gender have any impact on GSR levels.
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Two interacting populations of hares and foxes can be modeled by the recursive equations:h(t+1)=4h(t)-2f(t)f(h+1)=h(t)+f(t)For each of the initial populations given in parts (a) through (c), find closed formulas for h(t) and f(t).a. h(0)=f(0)=100b. h(0)=200, f(0)=100c. h(0)=600, f(0)=500
The closed formula of h(t) and f(t) for
h(0)=f(0)=100b => h(t) = 100(2t+1), f(t) = 100(2t-1) ,
h(0)=200, f(0)=100 => h(t) = 200(2t+1), f(t) = 100(2t-1)
h(0)=600, f(0)=500 =>h(t) = 300 + 200(2t+\((-1)^{t}\)), f(t) = 200 - 100\((-1)^{t}\)
The recursive equations for the given two interacting population of hares and foxes are
h(t+1)=4h(t)-2f(t)
f(h+1)=h(t)+f(t)
for the given initial population in parts from a to c we need to create a close formula for h(t) and f(t)
where h(0) = f(0) =100h(t) = 100(2t+1)
f(t) = 100(2t-1)
where h(0) = 200, f(0) =100h(t) = 200(2t+1)
f(t) = 100(2t-1)
where h(0) = 600, f(0) = 500h(t) = 300 + 200(2t+\((-1)^{t}\))
f(t) = 200 - 100\((-1)^{t}\)
The closed formula of h(t) and f(t) for
h(0)=f(0)=100b => h(t) = 100(2t+1), f(t) = 100(2t-1) ,
h(0)=200, f(0)=100 => h(t) = 200(2t+1), f(t) = 100(2t-1)
h(0)=600, f(0)=500 =>h(t) = 300 + 200(2t+\((-1)^{t}\)), f(t) = 200 - 100\((-1)^{t}\)
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For each of these relations on the set {1,2,3,4}, decide whether it is reflexive, whether it is symmetric, and whether it is transitive. a. {(2,2),(2,3),(2,4),(3,2),(3,3),(3,4)} b. {(1,1),(1,2),(2,1),(2,2),(3,3),(4,4)} c. {(1,3),(1,4),(2,3),(2,4),(3,1),(3,4)}
a. Not reflexive or symmetric, but transitive.
b. Reflexive, symmetric, and transitive.
c. Not reflexive or symmetric, and not transitive.
a. {(2,2),(2,3),(2,4),(3,2),(3,3),(3,4)}
Reflexive: No, because it does not contain (1,1), (2,2), (3,3), or (4,4).Symmetric: No, because it contains (2,3), but not (3,2).Transitive: Yes.b. {(1,1),(1,2),(2,1),(2,2),(3,3),(4,4)}
Reflexive: Yes.Symmetric: Yes.Transitive: Yes.c. {(1,3),(1,4),(2,3),(2,4),(3,1),(3,4)}
Reflexive: No, because it does not contain (1,1), (2,2), (3,3), or (4,4).Symmetric: No, because it contains (1,3), but not (3,1).Transitive: No, because it contains (1,3) and (3,4), but not (1,4).To learn more about Relation & function visit:
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Profit is the difference between revenue and cost. The revenue, in dollars, of a company that makes skateboards can be modeled by the polynomial 2x3 + 30x – 130. The cost, in dollars, of producing the skateboards can be modeled by 2x3 – 3x – 520. The variable x represents the number of skateboards sold.
What expression represents the profit?
27x – 650
27x + 390
33x – 650
33x + 390
The expression which represents the profit is 33x + 390, the correct option is D.
What is an expression?Expression in mathematics is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
We are given that;
The polynomial= 2x3 + 30x – 130
The cost, in dollars, of producing the skateboard= 2x3 – 3x – 520.
Now,
To find the expression that represents the profit, we need to subtract the cost from the revenue. So, we have:
profit = revenue - cost
profit = (2x^3 + 30x - 130) - (2x^3 - 3x - 520)
profit = 2x^3 + 30x - 130 - 2x^3 + 3x + 520
profit = 33x + 390
Therefore, the expression will be 33x + 390.
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Find the area of the semicircle.
Either enter an exact answer in terms of pi or use 3.14 for pi and enter ur answer as a decimal
The area of the semi circle is 14.13 units²
What is the area of a semi circle?a semicircle is a one-dimensional locus of points that forms half of a circle. It is a circular arc that measures 180°. It has only one line of symmetry.
The area of a semicircle is the half of the area of a full circle.
The area of a full circle is πr², therefore the area of a semicircle is ½πr²
r = d/2 = 6/2 = 3
A = ½πr²
= 1/2 × 3.14 × 3²
A = 28.26/2
A = 14.13 units²
therefore the area of the semi circle is 14.13 units²
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The graph shows the distance a hiker is from their car and represents a linear
function
Which statement about this function is correct?
O A. The y-intercept is (2,0), and the 2 represents the number of miles
from the car at the start of this time period.
B. The y-intercept is (0,0), and the 0 represents the number of
minutes spent hiking at the start of this time period.
O C. The y-intercept is (0,2), and the 2 represents the number of
minutes spent hiking at the start of this time period.
O D. The y-intercept is (0, 2), and the 2 represents the number of miles
from the car at the start of this time period.
The distance of the hiker of a linear function.
The true statement is (d) The y-intercept is (0, 2), and the 2 represents the number of miles from the car at the start of this time period.
From the graph, we can see that the graph crosses the y-axis at: (0,2)
This means that, the y-intercept is (0,2), and 2 represents the number of miles, he started with.
Hence, the correct statement is (d)
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Each driver is paid 8.65 per hour, if the field trip is going to lost 9.6 hours, how much will it cost to pay all of bus drivers?
Answer:
83.04
Step-by-step explanation:
First, you need to know how many drivers there are. But if the question doesn't tell you how many drivers then the answer would be 83.04 for one bus driver. If you forgot to add how many drivers then you can just multiply 83.04 to how many bus drivers then you get your answer.
2x-3(x-2)=2
Plz helpppp
Answer:
x = 4
Step-by-step explanation:
2x - 3(x - 2) = 2
distribute the -3
2x - 3x + 6 = 2
combine like terms
-x + 6 = 2
-x = -4
x = 4
Answer:
x=4
Step-by-step explanation:
2x-3(x-2)=2
Distributing
2x -3x+6 =2
Combine like terms
-x+6=2
Subtract 6 from each side
-x+6-6= 2-6
-x =-4
Divide by -1
x=4
How many intersections are there between the graphs of f(x) = Ix^2-4I and g(x)+2^x?
The number of intersections between the graphs of f(x) = Ix² - 4I and g(x) = 2ˣ is 3
Calculating the number of intersections between the graphsFrom the question, we have the following parameters that can be used in our computation:
f(x) = Ix² - 4I
g(x) = 2ˣ
Next, we plot the graphs of the functions f(x) and g(x)
From the graph, we have the number of intersections between the graphs to be 3
The points of intersections are approximately (-2.1, 0.2), (-1.9, 0.3) and (1.3, 2.4)
Hence, the number of intersections between the graphs is 3
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1.Make an industry analysis using either PESTEL or Five forces
model.
2. Prepare a strategic group map using updated information. Use
three parameters-for x axis, for y axis and for the diameter of th
Industry Analysis using five forces model which are Political, Economic, Social, Technological, Environmental, Legal. A strategic group map visually represents the competitive positioning of companies within an industry.
1. Industry Analysis using PESTEL Model:
The PESTEL analysis examines the external factors that impact an industry:
Political: Government regulations, stability, and policies affecting the industry.
Economic: Economic growth, inflation, exchange rates, and consumer purchasing power.
Social: Demographic trends, cultural factors, and consumer behavior.
Technological: Technological advancements, innovation, and automation in the industry.
Environmental: Environmental regulations, sustainability practices, and climate change impact.
Legal: Legal frameworks, industry-specific regulations, and intellectual property protection.
By conducting a PESTEL analysis, one can gain insights into the industry's overall environment, identify opportunities and threats, and understand the factors influencing its growth and competitiveness.
2. Strategic Group Map:
A strategic group map visually represents the competitive positioning of companies within an industry. It uses parameters to plot companies on an x and y axis, and the diameter of the circle represents their market share or another relevant metric.
Parameters for x-axis: Price range (e.g., low to high)
Parameters for y-axis: Product differentiation (e.g., basic to premium)
Diameter of the circle: Market share (e.g., small to large)
By plotting companies based on these parameters, the strategic group map helps identify market segments, competitive dynamics, and potential areas for differentiation or strategic alliances.
3. Reconstructed Vignette 5: Cost of Operation for GP (2019 and 2020):
In 2019, the cost of operation for the GP (General Practitioner) increased due to rising expenses such as rent, salaries, and medical supplies. This was influenced by factors such as inflation and increased demand for healthcare services.
In 2020, the COVID-19 pandemic significantly impacted the cost of operation for GPs. The costs surged due to additional expenses related to personal protective equipment (PPE), sanitation measures, and telehealth infrastructure. Simultaneously, some costs decreased as patient visits reduced temporarily.
The increased costs challenged GPs' profitability, especially for independent practitioners or smaller clinics with limited resources. Adapting to new operational requirements and investing in technology further added to the financial burden.
4. Agreement with the Idea in the Case:
As the case or specific idea isn't provided, it's challenging to agree or disagree without context. Please provide more information or details about the case or idea so that I can offer a justified answer based on logic or data.
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COMPLETE QUESTION - 1.Make an industry analysis using either PESTEL or Five forces model.
2. Prepare a strategic group map using updated information. Use three parameters-for x axis, for y axis and for the diameter of the circle.
3. Reconstruct Vignette 5: Cost of operation for GP. Make it for 2019 and 2020.
4. Do you agree with the idea described in the case? Justify your answer in brief (you may use logic or data in support of your answer).