Answer:
b
Step-by-step explanation:
boxes tend to be heavier
PLEASE HELP ME with 9-14 I need this done TODAY!!!
Answer:
Step-by-step explanation:
(9). Reflection across the x-axis keeps the same x-coordinate and y-coordinate is the opposite to original ( x , y ) ------> ( x , - y )
(10). Reflection across the y-axis keeps the same y-coordinate and x-coordinate is the opposite to original ( x , y ) ------> ( - x , y )
(11). Translation along the vector < 0, 2 > means that each point of triangle moves 2 units UP ( x , y ) ------> ( x , y + 2 )
(12). Translation along the vector < 3, - 4 > means, that each point of triangle moves 3 units to the RIGHT and 4 units DOWN ( x , y ) ------> ( x + 3 , y - 4 )
(13). ( x , y ) ------> ( - x , - y )
(14). ( x , y ) ------> ( - y , x )
Choose the correct description for the system of equations.
2x – y = 4
4x – 2y = 6
Responses
consistent and independent
consistent and independent
inconsistent
inconsistent
consistent and dependent
, consistent and dependent
inconsistent and dependent
The system of equations 2 x - y = 4 and 4 x- 2 y = 6 are inconsistent and independent in nature.
We are given the system of equations as:
2 x - y = 4
4 x- 2 y = 6
We need to find whether the equations are consistent or not and then find out whether they are dependent or independent equations.
For consistent:
Now, we can see that if we multiply 2 to both sides of the equation 2 x - y = 4, we get that:
2 (2 x - y) = 2 (4)
4 x - 2 y = 8
This means that the equations are parallel and so, will have no solution.
It is inconsistent.
For dependency:
As it has no solutions in common, they are independent equations.
Therefore, we get that, the system of equations 2 x - y = 4 and 4 x- 2 y = 6 are inconsistent and independent in nature.
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The probability of a Type II error is represented by ____. alpha beta the Type I error sigma The null hypothesis is rejected when the p-value exceeds the level of significance True False
The probability of a Type II error is represented by beta. Thus, the correct answer is option B.
Beta represents the probability of failing to reject the null hypothesis when it is false.
On the other hand, Type I error (alpha) represents the probability of rejecting the null hypothesis when it is true. A Type II error occurs when a false null hypothesis is not rejected. Hence, beta is the probability of making a Type II error.
The null hypothesis is rejected when the p-value is less than or equal to the level of significance, not exceeds it.
The p-value is the probability of obtaining a result as extreme as or more extreme than the observed result when the null hypothesis is true. If the p-value is less than the level of significance, the null hypothesis is rejected, and vice versa.
Hence, the statement "The null hypothesis is rejected when the p-value exceeds the level of significance" is false.
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the graph of y=f(x) is graphed below what is the end behavior of f(x)
Twice a certain whole number subtracted from 3 times the square of the number leaves 133.
The required whole number, is either -19/3 or 7 which satisfied the given conditions
let us consider the whole number be x .
we have given the following
the twice a certain whole number i.e x and subtracted it from 3 times the square of the number leaves 133. Mathematically ,
3x^2 - 2x = 133
=> 3x^2 - 2x - 133 = 0
Factorize the above formula we get
=> (3x + 19)(x - 7)= 0
=> 3x + 19 = 0
=> 3x = -19
=> x = -19/3
=> x - 7 = 0
=> x = 7
Hence, possible value of x a whole number is either equal -19/3 or 7.
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33-(2c + 4) = 2(c + 7) +C
Answer:
c=3
Step-by-step explanation:
The temperature of a heated swimming pool varies from 78 degrees F by no more than 2 degrees F" Name the least and greatest possible temperatures of the pool. Then write a compound inequality to represent all of the pool's possible temperatures.
Answer:
1 degrees and 60 degrees
Step-by-step explanation:
find slope.
a. 4
b. -1/4
c. 1/4
d-4
Answer:
1/4
Step-by-step explanation:
use the trapezoidal rule, the midpoint rule, and simpson's rule to approximate the given integral with the specified value of n. (round your answers to six decimal places.) 3 0 1 10 y5 dy, n
Therefore, the degree of the resulting polynomial is m + n when two polynomials of degree m and n are multiplied together.
What is polynomial?
A polynomial is a mathematical expression consisting of variables and coefficients, which involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents. Polynomials can have one or more variables and can be of different degrees, which is the highest power of the variable in the polynomial.
Here,
When two polynomials are multiplied, the degree of the resulting polynomial is the sum of the degrees of the original polynomials. In other words, if the degree of the first polynomial is m and the degree of the second polynomial is n, then the degree of their product is m + n.
This can be understood by looking at the product of two terms in each polynomial. Each term in the first polynomial will multiply each term in the second polynomial, so the degree of the resulting term will be the sum of the degrees of the two terms. Since each term in each polynomial has a degree equal to the degree of the polynomial itself, the degree of the resulting term will be the sum of the degrees of the two polynomials, which is m + n.
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One Solution
6-3+4x+1=
+4x +2 = 0
4x = -2
x = -0.5 = -1/2
calcula el interés simple sobre un préstamo de 5000 al 9% en 36 meses interés simple = principal X tasa interés X tiempo).
$16,200
1) Coletando los datos
Valor presente: 5,000
rate: 9%
Tiempo: 36 meses
2) Escribindo la formula y despues aplicando los datos, tienemos:
\(\begin{gathered} A=P(1+r\cdot n) \\ A=5000(1+0.09\times36) \\ A=5000(1\text{ +3.24)} \\ A=\text{ 21,200} \\ I=21,200-5000 \\ I=16200 \end{gathered}\)Mira que subtraemos de lo Valor Futuro, el Principal. A -P = i
3) Entonces el interés simple és $16,200
55% of the cookies joel baked had chocolate chips. If joel baked 77 cookies with chocolate chips, how many total cookies did he bake?
A firm experiences_______ if inputs are doubled and output more than doubles. diminishing marginal rate of technical substitution diminishing marginal product decreasing returns to scale increasing returns to scale
A firm experiences increasing returns to scale if inputs are doubled and output more than doubles.
When the firm's output grows at a faster rate than the growth in inputs, increasing returns to scale result. In this case, the company experiences economies of scale, which makes it more effective as it grows its production.
The firm is able to boost productivity and efficiency as it expands its scale of operations if inputs are doubled and output more than doubles.
This can be ascribed to a number of things, including specialisation, labour division, the use of capital-intensive technology, discounts for bulk purchases, and spreading fixed costs over a higher output. Lower average costs per unit of output result in higher profitability and competitiveness for the company.
The firm gains a number of benefits from growing returns to scale. First off, it lets the company to benefit from cost savings brought about by economies of scale, allowing it to manufacture goods or services for less money per unit. This may enable more competitive pricing on the market or result in larger profit margins.
Second, raising returns to scale can result in better operational effectiveness and resource utilisation. As the company grows in size, it will be able to use resources more wisely and profit from production volume-related synergies.market prices that are competitive.
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20 boys are trying out for 10 spots on the basketball team. if you wanted to determine how many different groups of 10 boys can be created, would you use a permutation or combination?
Answer:
Combination would be the best choice here because they are in groups of 10 different.
Question l What is the surface area of the three-dimensional figure formed by the net shown? 6 cm 12 cm 10 cm
(Question below)
1.288 sq cm
2.312 sq cm
3. 336 sq cm
4.368 sq cm
Adding all of these areas together, we get a total surface area of 432 sq cm. Therefore, the correct answer to the question is option 4, 368 sq cm.
The surface area of a three-dimensional figure refers to the total area of all its faces. In this case, we can see from the net provided that the figure is made up of 5 rectangular faces. To calculate the surface area, we need to find the area of each rectangle and add them up.
The rectangles on the top and bottom both have dimensions of 12 cm by 10 cm, so their areas are 120 sq cm each. The two rectangles on the sides both have dimensions of 6 cm by 10 cm, so their areas are 60 sq cm each. Finally, the rectangle on the front has dimensions of 12 cm by 6 cm, so its area is 72 sq cm.
Adding all of these areas together, we get a total surface area of 432 sq cm. Therefore, the correct answer to the question is option 4, 368 sq cm.
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Line segment JK has endpoints at J(-3,4) and K(3,6). Which is an equation of a line that is perpendicular to line segment JK and passes through the point (3,-12)
Answer:
y = -3x - 3.
Step-by-step explanation:
Find the slope of the line JK:
Slope = (6-4)/(3- (-3))
= 2 / 6
= 1/3.
Therefore the slope of the line perpendicular to it is - 1 / 1/3
= -3.
Now we use the point-slope form of a line to get the required equation:
y - y1 = m(x - x1)
Here m = -3 and (x1, y1) = (3, -12) so we have
y - (-12) = -3(x - 3)
y + 12 = -3x + 9
y = -3x + 9 - 12
y = -3x - 3 is the answer.
what goes in the boxes?
Answer:
8 10/3
MARK ME AS BRAIN LIESTS
What percent of the yearly sales were the sales for October-December?
Solving the operations:
\(n=\frac{80000}{104000+154000+123000+80000}=\frac{80000}{461000}=\text{0}.174\)Now we multiply by 100 to convert to percentage:
\(\text{0}.174\times100=17.4\text{ percent}\)Therefore, oct-dec sales are 17.4% of the total sales.
yo pls help me out, the question is on the picture.
ill mark brainliest if its correct. NO LINKS!
Answer:
3/4
Step-by-step explanation:
Tangent is opposite/adjacent side. To get the adjacent side, use the Pythagorean Theorem:
a² + b² = c²
3² + b² = 5²
9 + b² = 25
b² = 16
√b² = √16
b = 4
tan(O) = opposite/adjacent side
tan(O) = 3/4
what value of (m) makes this equation true
Answer:
-71
Step-by-step explanation:
(M+3)/4=-17
M+3=-17*4
M+3=-68
M=-68-3
M=-71
Tina has an old fish tank in the shape of a circular cylinder. The tank is 2 feet in diameter and 6 feet high. How many cubic feet of water does it hold?
Answer:
The tank can hold 18.84 cubic feet
Step-by-step explanation:
Given
Shape: Cylinder
\(D = 2ft\) -- Diameter
\(H = 6ft\) -- Height
Required
Determine the volume
First, calculate the radius (r)
\(r = \frac{1}{2}D\)
\(r = \frac{1}{2}*2ft\)
\(r = 1ft\)
The volume (V) of the tank is:
\(V = \pi r^2h\)
Substitute values for r and h
\(V = 3.14 *1^2*6\)
\(V = 3.14 *1*6\)
\(V = 18.84\)
Hence, the tank can hold 18.84 cubic feet
please answer this correctlyDetermine how many terms are needed to estimate the sum of the series to within 0.0001. 00 § 1-13*** 17 k k=1 k=
We need at least 19 terms to estimate the sum of the series to within 0.0001.
To determine how many terms are needed to estimate the sum of the series to within 0.0001, we can use the formula for the partial sum of a geometric series:
S_n = a(1 - r^n) / (1 - r)
In this case, a = 1, r = -13/17, and we want to find n such that |S - S_n| < 0.0001, where S is the sum of the infinite series. Since the series is decreasing, we can use the alternating series estimation theorem to bound the error:
|R_n| <= |a_(n+1)|
where R_n is the remainder after the nth term, and a_n+1 is the absolute value of the (n+1)th term. In this case, we want:
|R_n| = |a_(n+1)| < 0.0001
So we need to solve for n in the inequality:
|a_(n+1)| < 0.0001
|(-13/17)^(n+1)| < 0.0001
Taking the logarithm of both sides, we get:
(n+1) ln(13/17) < ln(0.0001)
n+1 > ln(0.0001) / ln(13/17)
n > ln(0.0001) / ln(13/17) - 1
Using a calculator, we get:
n > 18.71
So we need at least 19 terms to estimate the sum of the series to within 0.0001.
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35 POINTS Complete the sentence.
Statistics is the result of __________ data.
Answer:
analysis (i got to put a bunch of random stuff here cs the limit)
Which pair of parent functions are inverses of each other?.
The pair of parent functions that are inverses of each other are the exponential function and the natural logarithm function.
The exponential function is represented by the equation y = a^x, where 'a' is a positive constant. It is a one-to-one function that maps real numbers from the x-axis to positive values on the y-axis.
The natural logarithm function, on the other hand, is the inverse of the exponential function and is represented by the equation y = ln(x). The natural logarithm function is defined only for positive values of x.
When we apply the exponential function to a number x and then apply the natural logarithm function to the result, we get back the original number x.
Similarly, if we apply the natural logarithm function to a number x and then apply the exponential function to the result, we also obtain the original number x. This property of reversing the effect of each other makes the exponential function and the natural logarithm function a pair of inverse functions. They are symmetric about the line y = x, meaning that the graph of one function can be obtained by reflecting the other function across this line.
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HELP TIMED QUESTION !!!!
Simplify (5x^3y)^2(-2x^5y^1)
Answer:
( -5•2x8y)
Step-by-step explanation:
Changes made to your input should not affect the solution:
(1): "^-1" was replaced by "^(-1)".
Equation at the end of step 1
((5•(x3))•(y2))•(0-(2x5•y(-1)))
Equation at the end of step
(5x3 • y2) • -2x5y(-1)
Multiplying exponential expressions :
3.1 x3 multiplied by x5 = x(3 + 5) = x8
Multiplying exponential expressions :
3.2 y2 multiplied by y(-1) = y(2 + (-1)) = y1 = y
Answer:
60xy
Step-by-step explanation:
Evaluate : (5x+3y)2 = 25x2+30xy+9y2
Evaluate : (5x-3y)2 = 25x2-30xy+9y2
HELP HELP PLEASE ASAP
Select all the Intervals where f is increasing
A) -3
B) -1
C) 3.5
D) None of the above
Answer:
-3<x<-2
And
3.5<x<4.5
Step-by-step explanation:
due in 1 hour. thank you!!
Explain what is meant by confounding. what is a lurking variable? what is a confounding variable?
Explain what is meant by confounding. what is a lurking variable? what is a confounding variable?
Answer:
A Confounding is the variable that is considered in a research study, and could overall influence the relations between the variables in the study. For example, students wanting to join AP English next semester were told to write a six page essay. When the students turned in their papers and teachers say the difference and grades they believed that the variable was the time that the students handed in the paper. They thought that if the student handed in their paper later than another student that they would receive a lower score, but this was not the case. When asking the students how they prepared for the paper, students replied with different answers. Those who outlined and used other literature for reference scored much higher than those who only used prior knowledge to write their essays. In this study, the lurking variable would be the presence of an outline.
Lurking variable: A variable that is not considered in a research study that could influence the relations between the variables in the study
Confounding variable: A variable that is considered in a research study that could influence the relations between the variables in the study
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Can you check these once.
Answer:
Step-by-step explanation:
ok so 16 is she will make a 100 dollars and 15 means how much money she will make per mile