Answer:
Brainliest pls
Step-by-step explanation:
An assessment discount or duty refund is an installment to the citizen when the citizen pays more expense than they owe.
We do a cross of two corn plants: both are purple smooth, and we suspect both to be heterozygous for the recessive traits yellow and wrinkled, but we don’t know for sure. We cross the parent plants, grow the next generation of corn, count a nice big sample of 400 kernels, and come up with the following (these are your observed values):
Purple, smooth: 237
Yellow, smooth: 68
Purple, wrinkled: 79
Yellow, wrinkled: 16
If these parent plants are in fact heterozygous for both recessive traits, we would expect a 9:3:3:1 ratio of phenotypes in their offspring. If this worked out perfectly, figure out the numbers we expect to get in a sample of 400 kernels.
Purple, smooth
56.25%
Yellow, smooth
18.75%
Purple, wrinkled
18.75%
Yellow, wrinkled
6.25%
We would expect to get 225 purple, smooth kernels, 75 yellow, smooth kernels, 75 purple, wrinkled kernels, and 25 yellow
If the parent plants are heterozygous for both recessive traits, we would expect a 9:3:3:1 ratio of phenotypes in their offspring. This means that out of 400 kernels, we would expect:
Purple, smooth: 9/16 x 400 = 225
Yellow, smooth: 3/16 x 400 = 75
Purple, wrinkled: 3/16 x 400 = 75
Yellow, wrinkled: 1/16 x 400 = 25
Therefore, we would expect to get 225 purple, smooth kernels, 75 yellow, smooth kernels, 75 purple, wrinkled kernels, and 25 yellow, wrinkled kernels in a sample of 400 kernels if the parent plants are heterozygous for both recessive traits.
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The table below shows a dog's age at various points throughout its life in both human years, which is the independent variable, and dog years, which is the dependent variable. a. What is the domain of the function?b. What is the range of the function?
a. The domain of a function is the set of all possible values that the independent variable can take.
In this case, the independent variable is human years which takes values between 1 and 7, then the domain of the function is [1, 7].
b. The range of a function is the set of all possible values that the dependent variable can take.
In this case, the dependent variable is dog years which takes values between 15 and 44, then the range of the function is [15, 44].
please help me i really need it
The simplified expression, given the rule for exponentiation of powers, is 1, 024 x ³⁰.
How to simplify the expression ?To simplify the expression ((2x³) ⁵ ) ², we need to apply the rule for exponentiation of powers which states " When an expression is raised to a power, and that result is raised to another power, we can simplify by multiplying the exponents."
Using this rule, we can simplify the expression as follows:
( ( 2 x ³ ) ⁵ ) ² = (2 ⁵ x (3 x 5) ) ^ 2
= ( 32 x ¹⁵ ) ²
= 1, 024 x ³⁰
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Given the following roots build a polynomial function in standard form: -3 and +2
Answer:
f(x) = x² +x -6
Step-by-step explanation:
The standard form will look like ...
f(x) = x² +bx +c
where b is the opposite of the sum of the roots, and c is their product.
f(x) = x² -(-3+2)x +(-3)(2)
f(x) = x² +x -6
_____
Additional comment
In general, "standard form" is ax²+bx+c. In this case, the coefficient 'a' can be 1 since neither of the roots is expressed as a fraction. The sum of roots is (-b/a) and the product of roots is (c/a).
Susan had four bags of candy, each weighing 6 ounces. Isabel had one bag of candy weighing 1 pounds. Which girl has the more candy in weight? Your work will justify your answer.
Susan has more candy in weight compared to Isabel.
To compare the candy weights between Susan and Isabel, we need to ensure that both weights are in the same unit of measurement. Let's convert Isabel's candy weight to ounces for a fair comparison.
Given:
Susan: 4 bags x 6 ounces/bag = 24 ounces
Isabel: 1 bag x 16 ounces/pound = 16 ounces
Now that both weights are in ounces, we can see that Susan has 24 ounces of candy, while Isabel has 16 ounces of candy. As a result, Susan is heavier on the candy scale than Isabel.
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The golf club can send a team of four students to the next golf tournament. If there are 15 students in the club, how many different teams of four can be selected?
Answer:
I. kinda confused I may be reading it wrong but 3
Several students attempted to solve the system of equations and . Which one is correct? An image of a coordinate plane shows two lines. A line labeled negative 2x plus y equals 4 crosses the x-axis at (negative 2, 0) and the y-axis at (0, 4). A line labeled x plus y equals 1 crosses the y-axis at (0, 1) and the x-axis at (1, 0). The lines intersect at a point that is one unit left of the origin and two units up from the origin. The solution is . An image of a coordinate plane shows two lines. A line labeled negative 2x plus y equals 4 crosses the y-axis at (0, 4) and the x-axis at (2, 0). A line labeled x plus y equals 1 crosses the x-axis at (negative 1, 0) and the x-axis at (1, 1). The lines intersect at a point that is 1 unit right of the origin and 2 units up from the origin. The solution is . An image of a coordinate plane shows two lines. A line labeled negative 2x plus y equals 4 crosses the y-axis at (0, 4) and the x-axis at (2, 0). A line labeled x plus y equals 1 crosses the x-axis at (negative 1, 0) and the y-axis at (0, 1). The lines intersect at a point that is 1 unit right of the origin and 2 units up from the origin. The solution is . An image of a coordinate plane shows two lines. A line labeled negative 2x plus y equals 4 crosses the x-axis at (negative 2, 0) and the y-axis at (0, 4). A line labeled x plus y equals 1 crosses the y-axis at (0, 1) and the x-axis at (1, 0). The lines intersect at a point that is one unit left of the origin and two units up from the origin. The solution is .
another financial analyst, who also works for the online trading platform, claims their clients have a lower proportion of stock portfolios that contain high-risk stocks. this financial analyst would like to carry out a hypothesis test and test the claim that the proportion of stock portfolios that contain high-risk stocks is lower than 0.10. why is their hypothesis test left-tailed?
The hypothesis test is left-tailed because the financial analyst wants to test if the proportion of stock portfolios containing high-risk stocks is lower than 0.10.
In other words, they are interested in determining if the proportion is significantly less than the specified value of 0.10. A left-tailed hypothesis test is used when the alternative hypothesis suggests that the parameter of interest is smaller than the hypothesized value. In this case, the alternative hypothesis would be that the proportion of stock portfolios with high-risk stocks is less than 0.10.
By conducting a left-tailed test, the financial analyst is trying to gather evidence to support their claim that their clients have a lower proportion of high-risk stock portfolios. They want to determine if the observed data provides sufficient evidence to conclude that the true proportion is indeed less than 0.10, which would support their claim of a lower proportion of high-risk stocks.
Therefore, a left-tailed hypothesis test is appropriate in this scenario.
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How many solutions does the equation 1/5(20x-25)=4x-5 have?
Answer:
Infinitely many solutions
Step-by-step explanation:
we need to simplify the equations
1/5(20x-25)=4x-5
distribute the 1/5
4x-5=4x-5
+5 to each side
4x=4x
divide each side by 4
x=x
since x=x there are infinitely many solutions.
Answer:
no real solutions
Step-by-step explanation:
1/5(20x-25)=4x-5
1/5(20-25)=4-5
1/5(-5)=1
-1=1
Select the correct answer from each drop-down menu. the four vertices of an inscribed quadrilateral divide a circle in the ratio 1 : 2 : 5 : 4. the four angles of the quadrilateral are °, °, °, and °.
The four angles of a quadrilateral are 30°, 60°, 150°, and 120° if the four vertices of an inscribed quadrilateral divide a circle in the ratio 1:2:5:4.
What is quadrilateral?It is defined as the four-sided polygon in geometry having four edges and four corners.
We have the four vertices of an inscribed quadrilateral divide a circle in the ratio:
1:2:5:4
Let the sides of the quadrilateral be x, 2x, 5x, 4x.
We know the sum of all angles of quadrilateral = 360°
x+2x+5x+4x=360
12x = 360
First angle, x = 30°
Seconds angle, 2x = 2×30 ⇒ 60°
Third angle, 5x = 5×30 ⇒ 150°
Fourth angle, 4x = 4×30 ⇒ 120°
Thus, the four angles of a quadrilateral are 30°, 60°, 150°, and 120°
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The four angles of a quadrilateral are 30°, 60°, 150°, and 120°
Step-by-step explanation:
Leah asked her dance students to each hand out at least 10 flyers advertising their upcoming dance recital. She constructed a histogram to display the number of recital flyers handed out by the students.
Answer: B, the mean would increase.
Answer: OPTION (D):
OPTION (D): The Mean Number of Flyers Handed out would DECREASE.
Step-by-step explanation:Leah realized that She Had Left out a student who handed out Forty-Two (42) Flyers, which would have resulted in a Decrease in the Overall, and Hence, a Decrease in the Average.
Draw the Conclusion:Therefore, OPTION (D): The Mean Number of Flyers Handed out would DECREASE.
I hope this helps you!
Andrew makes $10 per hour babysitting and $8 per hour working at the grocery store. He will need to make atleast $650 to buy a new computer. Are the variables defined correctly? (True or False) x = Hours babysitting y = Hours working at grocery store
Answer:
True
Step-by-step explanation:
Since babysitting and working at the grocery store are two different things, you would need two different variables.
So x and y would be the correct representation.
Hope this helps ya!!
please solve this question within 20 Min
2. (简答题, 30.0分) Let X denote a random variable that takes on any of the values -1, 0, and 1 with respective probabilities P{X = -1}=0.2, P{X = 0} = 0.5, P{X = 1}=0.3. Find the expectation of X
The calculated expectation of X is 0.1
How to calculate the expectation of XFrom the question, we have the following parameters that can be used in our computation:
P{X = -1}=0.2, P{X = 0} = 0.5, P{X = 1}=0.3
The expectation of X is calculated as
E(x) = ∑xp(x)
So, we have
E(x) = -1 * 0.2 + 0 * 0.5 + 1 * 0.3
Evaluate
E(x) = 0.1
Hence, the expectation of X is 0.1
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can anyone help me on this?
Answer is :
-x² + 2x - 6Step-by-step explanation:
Here,
f(x) = 2x + 1
g(x) = x² - 7
We have to find (f - g) (x)
(f - g) (x) is similar to f(x) - g(x)
Further solving for f(x) - g(x)
Put value of f(x) and g(x) here
2x + 1 - x² - 7
2x - x² - 6
-x² + 2x - 6
Similarly, (f - g) (x) = -x² + 2x - 6 (Answer)
How does the graph of g(x) = (x − 8)3 + 3 compare to the parent function f(x) = x3?
a. g(x) is shifted 8 units to the left and 3 units up.
b. g(x) is shifted 3 units to the right and 8 units down.
c. g(x) is shifted 8 units to the right and 3 units up.
d. g(x) is shifted 3 units to the right and 8 units up.
Answer:
The right answer is C.
Step-by-step explanation:
The parent function is:
\(f(x)=x^3\)
If something is subtracted from variable \(x\) it means the graph shifted toward right and something is added to \(y\) value then the graph is shifted up.
\(f(x)=(x-8)^3\)
graph shifted toward right by \(8\) units right
\(f(x)=(x-8)^3+3\)
graph shifted toward right by \(3\) units up
Thus the new function is:
\(g(x)=(x-8)^3+3\)
Solve the system of equations.
5y - 4x = -7
2y + 4x = 14
X=
y =
Step-by-step explanation:
7y = 7
y = 1
2(1) + 4x = 14
4x = 12
x = 3
Which of the following represents a value greater than 50,000 but less than 60,000
derive an equation that relates the initial release height hx of block x and the speed vs of the two-block system after the collision in terms of mx , my , and fundamental constants, as appropriate.
The law of conservation of energy and momentum can be used to construct the equation that connects the initial release height of block x (hx) and the speed of the two-block system following the collision (v s).
Block x's initial kinetic energy (0.5 * m x * v x2) and potential energy (m x * g * hx) are both equal to the total kinetic energy of both blocks after the collision (0.5 * (m x + m y) * v s).
Combining everything, we get the following equation:
m x * g * hx + 0.5 * m x * v x2 = 0.5 * (m x + m y) * v s2.
where g is the acceleration brought on by gravity, v x is the starting speed of block x, and m x and m y are the masses of blocks x and y.
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Suppose the correlation between height and weight for adults is r = 0.40. what proportion (or percent) of the variability in weight can be explained by its relationship with height?
The proportion of the variability in weight that can be explained by it's relationship with height is: 16% (Option C)
What is the justification for the above?It is to be noted that the Coefficient of determination of r is the square of r value.
Hence,
R² = 0.4²
= 0.16 or 16%
The proportion of the variability in weight is option (C) 16%.
Note that the easiest technique to quantify the proportion of variation in an analysis of variance is to divide the sum of squares between groups by the sum of squares total.
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Full Question:
Suppose the correlation between height and weight for adults is r = 0.40. What proportion (or percent) of the variability in weight can be explained by the relationship with height?
A. 40%
B. 36%
C. 16%
D. 60%
E. None of the above.
whats 80-40=
im dum answer this now.
Answer:
1010101001001010010100010100101011010101011010101101010100101010101001*****Error*****(bsys2EVRYBODY7dgheHATESjsdjhdjMEndbndnd822b3)*****Error*****
Step-by-step explanation:
Answer:
40 Thnxxx soooo muchhh really appreciate ittt
consider data below 62 78 84 62 72 78 54 60 78 80, the mode is?
Answer:
The mode is 78, which appears the most times (3).
The mode of the given data 62, 78, 84, 62, 72, 78, 54, 60, 78, 80 is 78.
The mode is the data that occurs most frequently, in the data set listed below 62, 78, 84, 62, 72, 78, 54, 60, 78, 80. We can see that the number 78 appears three times, which is more than any other value in the set when we look at the data.
Note: If multiple values occur with the same highest frequency, but in this case, 78 is the only mode, the data set may have multiple modes.
Thus, the mode of 62, 78, 84, 62, 72, 78, 54, 60, 78, and 80 data set is 78.
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The students at the engineering conference ate more than 20 pizzas. The inequality x greater-than 20 represents the situation. Which graph represents the inequality?
A number line going from 15 to 25. An open circle is at 20. Everything to the right of the circle is shaded.
A number line going from 15 to 25. An open circle is at 20. Everything to the left of the circle is shaded.
A number line going from 15 to 25. A closed circle is at 20. Everything to the right of the circle is shaded.
A number line going from 15 to 25. A closed circle is at 20. Everything to the left of the circle is shaded.
Answer: Image A
Step-by-step explanation:
math
Answer:
A
Step-by-step explanation:
\( \sqrt{7 \times \frac{1}{9} } - \sqrt[3]{ \frac{297}{11} } \)
Step-by-step explanation:
\( \sqrt{7 \times \frac{1}{9} } - \sqrt[3]{ \frac{297}{11} } \\ = \sqrt{ \frac{7}{9} } - \sqrt[3]{27} \\ = \frac{ \sqrt{7} }{3} - 3 \\ = \frac{ \sqrt{7} - 9}{3} \)
We are stuck on this problem.
Answer:
The measure of angle BED is 78°
Step-by-step explanation:
Hopefully you can see what I did there.
please help!
Find the slope of line L and M
line m ; m= -20
line l; m= 20
Louise has a $75 gift card for her favorite toy store. She buys a model car kit for $22.79 and a doll for $19.95. What is the remaining balance on Louise's gift card?
Answer:
Louise has a remaining balance of $32.76
Step-by-step explanation:
plz help will give brainiest cuz like u r duh lol!
Answer:
C
Step-by-step explanation:
-4d is greater or equal to -12
d is less than or equal to 3
Answer:
c
Step-by-step explanation:
c is the answer
What is the result of the math formula: =2*10+4^2
Answer:
36
Step-by-step explanation:
2(10)+4^2
20+4^2
20+16
36
Answer: The result of the math formula =2*10+4^2 is 28.
To calculate this formula, you first need to perform the exponentiation operation of 4^2, which is 16. Then, you multiply 2 by 10, which gives you 20. Finally, you add 20 to 16, which gives you the final answer of 28.
can someone help me on 3/2 × 2/1
Answer:
3
Step-by-step explanation:
\(\frac{3}{2} * \frac{2}{1}\\= 3\)
Hope you understood!!
\( \frac{3}{2} \div \frac{2}{1} = \frac{3}{4} \)
Step by Step Explanation:\( \frac{ 3}{2} \div \frac{2}{1} = n\)
Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes\( \frac{3}{2} \times \frac{2}{1} = n\)
For the fraction multiplication,.multiply the numerators and then multiply the denominators to get\( \frac{3 \times1 }{2 \times 2} = \frac{3}{4} \)
This fraction cannot be reducedTherefore the answer is \( \frac{3}{2} \div \frac{2}{1} = \frac{3}{4} \)Use the numbers on the conveyer belt to complete the equation
18 x ————- = 9 x————-
Step-by-step explanation:
I think...
18×9=9×18
hope it helps