The solution to the inequality f(x) ≤ 0 is the interval [-6, 2]. In other words, the values of x that satisfy the inequality are those that lie between -6 and 2, inclusive.
To solve the inequality f(x) ≤ 0, we need to find the values of x for which the function f(x) is less than or equal to zero.
We start by factoring the quadratic expression f(x) = x^2 + 4x - 12:
f(x) = (x + 6)(x - 2)
Setting this expression to zero, we get:
(x + 6)(x - 2) = 0
This gives us two solutions: x = -6 and x = 2.
Now, we need to determine the sign of f(x) in the intervals between these two solutions. We can use a sign chart to do this:
x f(x)
-∞ +
-6 0
2 0
+∞ +
From the sign chart, we see that f(x) is positive for x < -6 and for x > 2, and it is negative for -6 < x < 2.
To summarize, the solution to the inequality f(x) ≤ 0 for the function f(x) = x^2 + 4x - 12 is the interval [-6, 2].
To learn more about interval
https://brainly.com/question/13708942
#SPJ4
what is the point slope and slope intercept form of (2,-6),(4,0)
Answer:
-6/-2=3 (the answer is 3)
Step-by-step explanation:
Change in y/ Change in x. How you do it: -6-0/2-4=-6/-2=3
Hope this helped :)
The owner of a 1800 square foot house is replacing the flooring in the house. What is
the cost to install high grade carpeting that costs $15.39 per square yard?
Answer:
$ 3078.
Step-by-step explanation:
A square yard is 3 feet by 3 feet = 9 square feet
1800 sq ft / 9 sq ft/ sq yard =200 sq yrds
200 sq yds * $ 15.39 / sq yd $ 3078.
A line passes through the points (-8,4) and (-9,-6). What is its equation in point slope form
bacteria grow at a rate of 20% per hour in a petri dish. if there is initially one bacterium and a carrying capacity of 1 million cells, how long does it take to reach 500,000 cells?
The growth rate of bacteria is about 26.8 hours to reach 500,000 cells, assuming there are no limiting factors.
The growth rate of bacteria is given as 20% per hour, which means that if there are N bacteria at the start of an hour, the number of bacteria at the end of the hour will be N + 0.2N = 1.2N. This assumes that there are no limiting factors such as space, nutrients, etc.
Let's assume that the time it takes to reach 500,000 cells is t hours. At the start, there is only one bacterium, so the number of bacteria after t hours can be written as:
N(t) = 1 x 1.2^t
We want to find the time t such that N(t) = 500,000. Therefore, we can write:
1.2^t = 500,000
Taking the natural logarithm of both sides, we get:
t ln(1.2) = ln(500,000)
t = ln(500,000) / ln(1.2)
t ≈ 26.8 hours
Therefore, it would take about 26.8 hours to reach 500,000 cells, but in absence of limiting factor.
To know more about growth rate of bacteria:
https://brainly.com/question/28875520
#SPJ4
4
Functions F and G are both linear functions of x.
Function F: y=0.5x+2
Function G
х
-4
0
3
6
у
3
1.5
1
-0.5
-2
Which of the following statements is true?
Suppose α = (3527)(32)(143) in S8. Express α as a product of transpositions and determine if α is even or odd. Find α 2 and express α 2 as a product of disjoint cycles. Also, find o(α 2 ).
The order of α^2 is then the least common multiple of these cycle lengths, which is lcm(2, 2, 2, 2) = 2. Therefore, o(α^2) = 2.
To express α as a product of transpositions, we need to decompose the given cycle notation into disjoint cycles.
α = (3527)(32)(143) = (1 3 2)(4)(5 7)(6 8)
To determine if α is even or odd, we count the number of transpositions in this decomposition. Since there are four transpositions, α is an odd permutation.
Next, we find α^2 by multiplying the cycle notation for α with itself:
α^2 = (1 3 2)(1 3 2)(4)(5 7)(6 8) = (1 2 3)(5 7)(6 8)
To express α^2 as a product of disjoint cycles, we can observe that (5 7) and (6 8) remain the same while (1 2 3) can be written as (1 3)(1 2):
α^2 = (1 3)(1 2)(5 7)(6 8)
Thus, α^2 consists of four disjoint cycles: (1 3), (1 2), (5 7), and (6 8).
Finally, to find o(α^2), we need to compute the order of each disjoint cycle in the cycle decomposition of α^2. We have:
o((1 3)) = 2
o((1 2)) = 2
o((5 7)) = 2
o((6 8)) = 2
The order of α^2 is then the least common multiple of these cycle lengths, which is lcm(2, 2, 2, 2) = 2. Therefore, o(α^2) = 2.
Learn more about cycle lengths from
https://brainly.com/question/31388380
#SPJ11
The Point class represents x,y coordinates in a Cartesian plane. Which line of code appears completes this operator which transforms a Point by dx and dy? (Members written inline for this problem.) class Point { int x_{0}, y_{0};public: Point(int x, int y): x_{x}, y_{y} {} int x() const { return x_; } int y() const { return y_; }};Point operator+(int dx, int dy) { return _________________________;}
The correct line of code that completes this operator which transforms a Point by dx and dy is shown below: Point operator+(int dx, int dy) { return Point(x_+dx,y_+dy);}Note that the function operator+ takes two arguments: an integer dx and an integer dy.
The function returns a point, which is created by adding dx to x and dy to y.The completed code is shown below:class Point { int x_{0}, y_{0};public: Point(int x, int y): x_{x}, y_{y} {} int x() const { return x_; } int y() const { return y_; }};Point operator+(int dx, int dy) { return Point(x_+dx,y_+dy);}Therefore, the correct answer is: `Point(x_+dx,y_+dy)`
Learn more about operator
https://brainly.com/question/29949119
#SPJ11
answer asap pllssssss
Answer:
Equation p+6=58
Answer:P=52
Step-by-step explanation:
Equation-
We have 58 in total so that is what this is all equal to;
=58
we have plus 6 peaches so +6 added to p which is how much we already have
so p+6=58
p+6+58
Answer-
p+6=58; isolate p
58-6=52; subtract how much we already know we have
p=52; now we know that the remaining has to be p
4 glasses of milk and 3 snack bars have a total of 80 carbohydrates (carbs), and 2 glasses of milk and 4 snack bars have a total of 70 carbs. Determine how many carbs are in one glass of milk and
in one snack bar.
The carbs that are in one glass of milk and
in one snack bar is 27 carbs
How to calculate the number of carbs?Since 4 glasses of milk and 3 snack bars have a total of 80 carbohydrates (carbs), this will be:
4m + 3b = 80
2 glasses of milk and 4 snack bars have a total of 70 carbs. This will be:
2m + 4b = 70
Collect both equations and solve
4m + 3b = 80 ..... i
2m + 4b = 70 ..... ii
m = milk
b = snack bars
Multiply equation i by 2
Multiply equation ii by 4
8m + 6b = 160
8m + 16b = 280
Subtract
10b = 80
Divide
b = 80/10 = 8
Snack bars = 8 carbs
Since 2m + 4b = 70
2m + 4(8) = 70
2m + 32 = 70
2m = 70 - 32
2m = 38
Divide
m = 38/2 = 19
Milk = 19 carbs
The total carbs will be:
= Milk + Snack
= 19 + 8
= 27 carbs
Learn more about equations on:
brainly.com/question/2972832
#SPJ1
need some help please
Step-by-step explanation:
∠2 = 77°
∠2 = ∠4 ( being vertically opposite angle )
∠4 = 77°
Now...
∠1 + ∠2 = 180° ( supplementary angle )
∠1 = 180° - 77°
∠1 = 103°
here....
∠1 = ∠3 ( vertically opposite angle )
∠1 = 103°
\(.....\)
please help me and show your working out
Answer:
i can give you tuturing 1 on 1 if you give me brainliest
Step-by-step explanation:
30*4 =120 +50
30*9=270+50
How many have more than one quart of water?
Answer:
I think 3 have more, but I am not 100 percent
Write 0,37 in a fraction
Answer:
37/100
Step-by-step explanation:
Assuming you mean '0.37'
'0.37' is 37 hundredths.
37 would the the numerator and 100 would be the denominator.
\(\frac{37}{100}\)
Hope this helps.
Answer:
37/100
37%
Step-by-step explanation:
To convert 0.37 to fraction, follow these steps:
First write down the decimal number divided by 1 like this:
0.37
1
As we have 2 digits after the decimal point in the numerator, we need to multiply both the numerator and denominator by 102 = 100, so that there is no decimal point in the numerator
0.37 × 100
1 × 100
=
37
100
Hope this helps!
please help! thank you!
Problem 5
The sum of the first ten terms of an arithmetic progression consisting of
positive integer terms is equal to the sum of the 20th, 21st and 22nd term.
If the first term is less than 20, find how many terms are required to give
a sum of 960.
Answer:
is this in the euler student problem question?
Step-by-step explanation
Please help need answer
The cost of the wall paper per square feet is 0.72 dollars.
How to find the cost per square of the rectangular wall paper?The wall paper is rectangular in shape. The dimension of the wall paper is 42 feet by 25.5 feet.
The total cost of the wall paper is 771.12 dollars. Therefore, let's find the cost per square ft.
Hence,
area of the wall paper = 42 × 25.5
area of the wall paper = 1071 ft²
Therefore,
1071 ft² = 771.12 dollars
1 ft² = ?
Hence,
cost per square feet = 771.12 / 1071
cost per square feet = 0.72 dollors
learn more on rectangle here: https://brainly.com/question/31135325
#SPJ1
) Find x when f(x) = g(7).
Help me pleaseeeeeeeeee
Answer:
A
Step-by-step explanation:
multiplying every score in a sample by 3 will not change the value of the standard deviation. (50.) true false
Multiplying every score in a sample by 3 will change the value of the standard deviation, making the statement "multiplying every score in a sample by 3 will not change the value of the standard deviation" false.
The standard deviation is a measure of the amount of variation or dispersion in a set of data points. It is calculated as the square root of the variance, which is the average of the squared differences between each data point and the mean.
When every score in a sample is multiplied by 3, it effectively changes the scale of the data. The original values are now three times larger, resulting in a larger spread of values around the mean. As a result, the variance and standard deviation will also be three times larger, since they are based on the squared differences between the data points and the mean.
Therefore, multiplying every score in a sample by 3 will change the value of the standard deviation, making the statement "multiplying every score in a sample by 3 will not change the value of the standard deviation" false.
To learn more about standard deviation here:
brainly.com/question/23907081#
#SPJ11
One cubic foot holds 7.48 gallons of water, and 1 gallon of water weighs 8.33 pounds. how much does 8.4 cubic feet of water weigh in pounds? in tons?
8.4 cubic feet of water weigh 5233.90 pounds or 2.62 tons.
What is conversion?The process of changing the value of one form to another is called conversion. It doesn't affects the value,it simply converts one form to another.
It is given that-
One cubic foot = 7.48 gallons of water,
and 1 gallon of water weighs = 8.33 pounds.
Now, since One cubic foot holds 7.48 gallons of water
Therefore,to find out 8.4 cubic feet of water weigh. Simply,
⇒ 8.4 cubic feet of water = 84 x 7.48 gallons of water
⇒ 8.4 cubic feet of water = 628.32 gallons of water
To convert it in pounds-
Since,1 gallon of water weighs 8.33 pounds of water
Therefore, 628.32 gallons of water = 628.32 x 8.33 pounds of water
⇒ 628.32 gallons of water = 5233.90 pounds of water
Since, 1ton = 0.0005 tons
So, 5233.90 pounds = 5233.90 x 0.0005 tons of water
⇒ 5233.90 pounds = 2.62 tons of water.
Hence,8.4 cubic feet of water weigh in 5233.90 pounds and 2.62 tons.
More about conversion :
https://brainly.com/question/913391
#SPJ1
In terms of the number of marked mountain goats, what is the relative frequency for male goats, female goats, adult goats, and baby goats? Write your answers as simplified fractions.
Answer:
Female: 93/328
Adult: 103/328
Baby: 61/328
Step-by-step explanation:
71 + 93 + 103 + 61 = 328
Male: 71/328
Female: 93/328
Adult: 103/328
Baby: 61/328
1/2s^3 - 5s; if s =4
Answer:
5
s
4
−
2
s
+
1
. Its degree is 4
Step-by-step explanation:
:)
Answer:
-12
Step-by-step explanation:
S = 4
So 1/2 x 4 = 2
2^3 = 8
Remaining:
8 - 5s
5 x 4 = 20
Remaining currently:
8 - 20
= -12
Solve: 4 1/5 − 3/7 plese sent the answer
Answer:
\(4 \frac{1}{5} - \frac{3}{7} \\ =4 + \frac{1}{5} - \frac{3}{7} \\ = \frac{21}{5} - \frac{3}{7} \\ \frac{147 - 15}{35} \\ = \frac{132}{35}
=3 27/35 \\ thank \: you\)
132/35
Step-by-step explanation:
\(4 \frac{1}{5} - \frac{3}{7} \\ \frac{21}{5} - \frac{3}{7} \\ lcm = 35 \\ \frac{21 \times 7}{5 \times 7} - \frac{3 \times 5}{7 \times 5} \\ \frac{147}{35} - \frac{15}{35} \\ = \frac{132}{35} \\ \)
two carts, a and b, are connected by a rope 39 ft long that passes over a pulley p. the point q is on the floor 12 ft directly beneath p and between the carts. cart a is being pulled away from q at a speed of 2 ft/s. how fast (in ft/s) is cart b moving toward q at the instant when cart a is 5 ft from q? (round your answer to two decimal places.)
The velocity of the cart b is found as 20/23 ft/s over the pulley.
What is defined as the rate of change?The momentum of a variable is represented by the rate of change, which is used to mathematically define the percentage change in value over such a defined period of time.For the given data in the question.
q's velocity is 2 feet per second.
Rope length is 39 feet.
Assume x is the distance between A and Q. (refer the image).
Assume y is the distance between Q and B. (refer the image).
As a result of the image,
x² + 12² = L²
Now, with respect to time t, differentiate the above equation.
2x(dx/dt) + 0 = 2L.(dL/dt)
For x = 5 ft and L = 13 ft
dL/dt = (5×2)/13 = 10/13
In the case of B,
y² + 12² = (39 - L)² ; from diagram.
Differentiating now,
2y(dy/dt) + 0 = -2(39 - L).(dL/dt)
At x = 5 ft and y = 23 ft.
dy/dy = -20/23
(A negative sign indicates the opposite direction)
Thus, the velocity of cart b is found as 20/23 ft/s.
To know more about the rate of change, here
https://brainly.com/question/13122658
#SPJ9
If an 8 sided solid is rolled 180 times, how many times would you expect either a 3,5, or 7 to be rolled?
Answer:
no
Step-by-step explanation:
Find the volume of the triangular prism to the right.
6 height
11 base
The volume of the triangular prism is 198 cubic units.
To find the volume of a triangular prism, we need to multiply the area of the base triangle by the height of the prism.
In this case, the base of the triangular prism is a triangle with a base of 11 units and a height of 6 units, so the area of the base is:
Area of base = (1/2) × base × height
Area of base = (1/2) × 11 units × 6 units
Area of base = 33 square units
The height of the prism is given as 6 units.
Therefore, the volume of the triangular prism is:
Volume of prism = Area of base × Height
Volume of prism = 33 square units × 6 units
Volume of prism = 198 cubic units
For similar question on volume:
https://brainly.com/question/1578538
#SPJ11
Which of the following equations is equivalent to b' = x?
A. y= log x
b
B. x = log y
b
C. y=Inx
D. y=logx
Answer:
It is A
Step-by-step explanation:
The continuous-time LTI system has an input signal x(t) and impulse response h(t) given as x() = −() + ( − 4) and ℎ() = −(+1)( + 1).
i. Sketch the signals x(t) and h(t).
ii. Using convolution integral, determine and sketch the output signal y(t).
(i)The impulse response h(t) is a quadratic function that opens downward and has roots at t = -1. (ii)Therefore, by evaluating the convolution integral with the given input signal x(t) and impulse response h(t), we can determine the output signal y(t) and sketch its graph based on the obtained expression.
i. To sketch the signals x(t) and h(t), we can analyze their mathematical expressions. The input signal x(t) is a linear function with negative slope from t = 0 to t = 4, and it is zero for t > 4. The impulse response h(t) is a quadratic function that opens downward and has roots at t = -1. We can plot the graphs of x(t) and h(t) based on these characteristics.
ii. To determine the output signal y(t), we can use the convolution integral, which is given by the expression:
y(t) = ∫[x(τ)h(t-τ)] dτ
In this case, we substitute the expressions for x(t) and h(t) into the convolution integral. By performing the convolution integral calculation, we obtain the expression for y(t) as a function of t.
To sketch the output signal y(t), we can plot the graph of y(t) based on the obtained expression. The shape of the output signal will depend on the specific values of t and the coefficients in the expressions for x(t) and h(t).
Therefore, by evaluating the convolution integral with the given input signal x(t) and impulse response h(t), we can determine the output signal y(t) and sketch its graph based on the obtained expression.
Learn more about coefficients here:
https://brainly.com/question/1594145
#SPJ11
40 PTS!!!!! PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEEE!!!!!! PICTURE DOWN BELOW!!
⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️
Under what condition is it NOT possible for an integer a to be divided by an integer b ?
Answer:
An integer, a, cannot be divided by an integer, b, when \(b=0\)
Step-by-step explanation:
There is only one limitation when dividing two numbers. This is that you cannot divide a number by 0 as it is impossible to divide something into 0 groups.
As the integer, b, is the number that symbolized the number of groups something is divided into, this value cannot be 0.