The answer is low accuracy and low precision.
Given:
A hunter is practicing his aim using a practice target. he takes 5 shots. all 5 shots hit the target, but they do not hit or surround the bullseye. in addition, all 5 shots are very spread apart on the target.
From the given statements :
All 5 shots hit the target, but they do not hit or surround the bullseye here no shots hit or surround the bullseye means there is no closeness to true value,Hence low accuracy.
All 5 shots are very spread apart on the target here all shots are very spread apart means there is no closeness between the shots,Hence low precision.
Therefore the answer is low accuracy and low precision.
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ackie deposited a $865.98 paycheck, a $623 stock dividend check, a $60 rebate check, and $130 cash into her checking account. Her original account balance was $278.91. Assuming the checks clear, how much will be in her account after deposits are made?
A large university accepts %50 of the students who apply. Of the students the university accepts, %45 actually enroll. If 30,000 students apply, how many actually enroll?
A right circular cone has a radius of x+4 and a height 5 units less than its radius. Express the volume of the cone as a polynomial function. The volume of a cone is V=13πr2h for radius r and height h. Enter π as pi.
The equation of the volume function is V(x) = 1/3(x + 4)²(x - 1)
How to determine the volume function?The given parameters are
Radius, r = x + 4
Height, h = 5 units less than the radius
This means that
h = r - 5
So, we have
h = x + 4 - 5
Evaluate
h = x - 1
The volume of a cone is calculated as
V = 1/3πr²h
Substitute the known values in the above equation
V = 1/3 * (x + 4)² * (x - 1)
This gives
V = 1/3(x + 4)²(x - 1)
Express as a function
V(x) = 1/3(x + 4)²(x - 1)
Hence, the function is V(x) = 1/3(x + 4)²(x - 1)
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What is the coefficient of the first term in this expression?
x+9y^3 +4
The coefficient of the first term of the polynomial is 1.
How to find the coefficient of the first term in an expression?
Polynomials are algebraic expressions of the following form:
f = Σ (cₙ · xₙⁿ)
Where:
cₙ - n-th Coefficient of the polynomial.xₙ - n-th Variable associated with the n-th term of the polynomial.The order of the terms of a polynomial is usually from the left to the right. Then, the first term of the polynomial x + 9 · y³ + 4 is x = 1 · x, whose coefficient is equal to 1.
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Write an equation that represents a reflection in the x -axis of the graph of g(x)=|x| .h(x)=
The equation that represents a reflection in the x -axis of the graph of g(x) is y = -|x|.
We are given a function g(x). The function g(x) is defined as the modulus of x. The equation is : g(x) = |x|.
We need to find the equation that represents the reflection of the graph of g(x). The rule for reflecting over the X axis is to negate the value of the y-coordinate of each point but leave the x-value the same.
Let h(x) be the function that represents the reflection of the function g(x).
h(x) = -g(x)
h(x) = -|x|
The equation can be written as y = -|x|. The graph of the reflection is attached below.
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Could someone tell me the y intercept for the tables in questions 2 and 3
Using it's concept, the y-intercept for each table in this problem is given as follows:
2) y = 4.
3) y = -3.
What are the intercepts of a function?The x-intercept of a function is given by solutions of x to the equation f(x) = 0, that is, the value of x when the function crosses the x-axis.The y-intercept of a function is given by the value of f(x) when x = 0, that is, the value of y when the function crosses the y-axis, also called f(0).In the context of this problem, we are given two tables with pairs of values (x,y), hence the y-intercept for each case is given by the value of y when x = 0.
In item 2, when x = 0, y = 4, hence the y-intercept is of y = 4.In item 3, when x = 0, y = -3, hence the y-intercept is of y = -3.More can be learned about the y-intercept of a function at https://brainly.com/question/26249361
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A number cube with faces labeled from 1 to 6 was rolled 20 times. Each time the number cube was rolled, the
number showing on the top face was recorded. The table shows the results.
Results
Number Showing on Top Face Frequency
For the cube to land with a 5 or 6 on the top face, a 2/5 probability is needed.
The table displays the outcomes of 20 rolls of a number cube with faces labeled from 1 to 6.
To ascertain the experimental likelihood that 5 or 6 will appear on the top face of the number cube the following time it is rolled.
The ratio of likely outcomes to all possible outcomes is known as the probability.
Total frequency = 3 plus 3 plus 6 plus 3 plus 5 equals 20.
Total frequency of positive results = 3 + 5 = 8
Therefore according to the probability it is no. of possible outcomes divided by total outcomes.
Here favorable cases are 8 which are positive results
Total out come ( frequency) is 20
Probability is 8/20, or 2/5.
Therefore, there is a 2/5 chance that the cube will land with a 5 or 6 on the top face.
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For any line, if you draw two right triangles using the line as the hypotenuse, do the triangles have to be similar? why or why not?
For any line, if you draw two right triangles using the line as the hypotenuse, we can say that; Yes, the triangles have to be similar because the sides of both triangles will have the same ratio.
How to interpret congruent triangles?From the attached diagram, we will assume any two right triangles are drawn on the line OP, and AB and A'B' as the hypotenuse on the same line OP.
Now, due to the fact that the slope of the line OP is constant and assume that it makes x° with the positive x-axis, then we can say that;
tan x = AC/BC = A'C'/B'C'
Thus;
AC/A'C' = BC/B'C'
Therefore, we can say that the sides of the two right triangles are in the same ratio and as such, Δ ABC and Δ A'B'C' are similar.
Therefore, all the right triangles will be similar.
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What is the equation of the line of best fit for the following data? Round the slope and y-intercept of the line to three decimal places.
The equation of the line of best fit for the following data is ŷ = 1.16393X + 0.88525
Option A
This is further explained below.
What is a regression equation?Generally, Y is represented by the equation Y = a + bX + e, which represents the regression equation. The value of the dependent variable, which is referred to as Y, is what is being explained or predicted.
a, also known as Alpha, is a constant; it is equal to the value of Y when the value of X is equal to 0. b, also known as Beta, is the coefficient of X; it is the slope of the regression line.
In conclusion,
Sum of X = 34
Sum of Y = 44
Mean X = 6.8
Mean Y = 8.8
Sum of squares (SSX) = 48.8
Sum of products (SP) = 56.8
Regression Equation = ŷ = bX + a
b = SP/SSX = 56.8/48.8 = 1.16393
a = MY - bMX = 8.8 - (1.16*6.8) = 0.88525
ŷ = 1.16393X + 0.88525
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what is the the slope of (20,15) (30,35)
Slope = 2
The slope of coordinates ( 20 , 15 ) and (30 , 35) = 2
What is slope?The slope of a line indicates its steepness. Slope is calculated mathematically as "rise over run" (change in y divided by change in x).The slope is defined as the ratio of the vertical change between two points, known as the rise, to the horizontal change between those same two points, known as the run.Determine the coordinates of two points on the line. Calculate the difference in y-coordinates between these two points (rise).Determine the x-coordinate difference between these two points (run). Divide the y-coordinate difference by the x-coordinate difference (rise/run or slope).Here given two points (20, 15) and (30 , 35)
Formula to find slope = y2 - y1 / x2 - x1
= 35 - 15 / 30 - 20
= 20 / 10
= 2 / 1
= 2
∴ Slope of (20 , 15) (30 , 35) = 2 .
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for a singles match, a tennis court is 78 feet long and 27 feet wide. Which calculation would give the perimeter of a tennis court for a singles match?
Answer: 3 miles
Step-by-step explanation:
15840 feet
= 15840 ÷ 5280 miles
= 3 miles
A. What is the difference in total area of Alaska and Connecticut? Express your answer in scientific notation. Show your work or explain your answer.
3. What is the difference in total population of California and Alaska? Express your answer in scientific notation. Show
your work or explain your answer.
Answer:
A. Total area of Alaska is considerable larger than total area of Connecticut.
B. Population of California is considerably larger that population of Alaska.
Step-by-step explanation:
A. What is the difference in total area of Alaska and Connecticut?
According to the US government, total areas of Alaska and Connecticut are 663,268 square miles and 5,567 square miles, respectively.
The difference between both quantities is:
[tex]x=6.633 \times 10^{5} mi^{2} -5.567 \times 10^{3} mi^2\\x=6.577 \times 10^{5} mi^2[/tex]
Which means that total area of Alaska is considerable larger than total area of Connecticut.
B. What is the difference in total population of California and Alaska?
According to the US government, total populations of California and Alaska are 39,512,223 people and 710,249 people, respectively.
The difference between both quantities is:
[tex]x=3.951 \times 10^7 people - 7.103 \times 10^5 people\\x=3.880 \times 10^7 people[/tex]
Which means that population of California is considerably larger that population of Alaska.
calculate y-7 when y=20
The value of the expression is 13 that is formed by subtraction .
A mathematical expression that uses integer variables, constants, and algebraic operations is known as an algebraic expression (addition, subtraction, multiplication, division, and exponentiation by a rational exponent).
However, transcendental numbers like such and e are not algebraic because they are not created by employing integer constants and algebraic processes.Although the definition of e necessitates an infinite number of algebraic operations, the generation of is frequently expressed as a geometric expression.Using the properties of arithmetic operations, an expression can be reduced to a rational fraction ( associative properties and commutative properties of addition and multiplication, distributive property and rules for the various operations on the given fractions).now we use subtraction:
y-7
= 20-7
= 13
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Which of the following is an accurate description of the scatterplot?A. The more seeds that are planted per square foot the smaller the expected yield of the crop.B. the more seeds that are planted per square foot the larger the expected yield of the crop.C. The expected yield of a crop is high whenever the number of seeds planted per square foot is small or large. A larger yield is expected when the number of seeds per square is around 60.D.The expected yield of a crop is low whenever the number of seeds planted per square foot is small or large. A larger yield is expected when the number of seeds per square is around 60.
It would be
D. The expected yield of a crop is low whenever the number of seeds planted per square foot is small or large. A larger yield is expected when the number of seeds per square foot is arounf 60.
What is the answer to the equation:
1 + 6p = 7(6p -4) -7p
PLEASE HELP ME I NEED ANSWER IN % MINUTES BECAUSE IMA HAVE TO LEAVE SOON< NEED ANSWER ASAP!!!!
Answer:
p = 1
Step-by-step explanation:
1+6p = 7(6p-4)-7p
multiply 7
1 + 6p = 42p - 28 - 7p
simplify
1 + 6p = 35p - 28
p's on one side
-29p = -29
p = 1
A graphic designer charges an hourly rate. In July, the only expense is for advertising. The function graphed models the designer's net income, y, for July for x hours of work.
Select True or False to describe each statement.
True False
The x-intercept represents the amount the designer charges for 1 h of work.
True – The , x, -intercept represents the amount the designer charges for 1 h of work.
False – The , x, -intercept represents the amount the designer charges for 1 h of work.
The difference between 0 and the y-intercept represents the amount the designer spent on advertising.
True – The difference between 0 and the , y, -intercept represents the amount the designer spent on advertising.
False – The difference between 0 and the , y, -intercept represents the amount the designer spent on advertising.
The slope represents the designer's hourly rate.
True – The slope represents the designer's hourly rate.
False – The slope represents the designer's hourly rate.
Graph of a line on a coordinate plane. The graph titled Net Income for July. The horizontal axis is labeled Time Worked (h) and vertical axis is labeled Net Income (S). The horizontal x axis ranges from 0 to 18 in increments of 2. The vertical y axis ranges from negative 400 to 400 in increments of 100. A line passes through the coordinate points begin ordered pair 0 comma negative 300 end ordered pair and begin ordered pair 6 comma 0 end ordered pair
False: The x-intercept represents the amount the designer charges for 1 h of work.
True: The difference between 0 and the y-intercept represents the amount the designer spent on advertising.
True: The slope represents the designer's hourly rate.
What is y-intercept?In Mathematics, the y-intercept of any graph such as a linear function, generally occur at the point where the value of "x" is equal to zero (x = 0).
By critically observing the graph (see attachment), the coordinates of the y-intercept of this line is given by y-intercept = (0, 6), which represents the graphic designer's expenses on advertising for the month of July.
What is x-intercept?In Mathematics, the x-intercept can be defined as the point at which the graph of any function crosses the x-coordinate and the value of "y" is equal to zero (0).
From the graph (see attachment), we can logically deduce that the x-intercept represents the number of hours which the graphic designer would have to work, in order to cover his expenses (on advertising) for the month of July.
In conclusion, the hourly rate of this graphic designer for the month of July is represented by the slope of the graph.
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What is the slope of the line on the graph?
Enter
your answer in the box
Answer:
6
Step-by-step explanation:
Slope is represented by rise/run. Let's use the points (0, -1) and (1, 5). The "rise" from -1 to 5 is 6. The "run" from 0 to 1 is 1. 6/1 is just 6.
Which of the following is completely factored?O 5x2 (2xy + 12x2)O 3.r(522 - 6x + 3)O r(14.ry + 5.0 - 10x2)
ANSWER
[tex]3x(5x^2-6x+3)[/tex]EXPLANATION
We want to identify the option that is completely factored.
For an expression to be completely factored, it means that there are no more common terms between the terms in the expression.
That means it can not be factored any further.
Therefore, the only correct option is:
[tex]3x(5x^2-6x+3)[/tex]The teachers at a middle school voted on one of two locations for the school party.
There were 30 votes for the skating rink and 13 votes for the bowling alley.
What is the ratio of the number of votes for skating to the number of votes for bowling?
3043
1343
1330
3013
Based on the number of teachers who voted for the skating rink and those who voted for the bowling alley, the ratio of votes for skating to bowling is 30 : 13
How to find the ratio?The ratio can be found by taking a ratio of those who voted for the skating rink against those who voted for the bowling alley. This ratio should then be taken to its simplest form.
Number of votes for bowling alley = 13 votes
Number of votes for skating rink = 30 votes
The ratio of votes for the skating rink to those of the bowling alley is:
30 : 13
This is the simplest form.
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Number 14 please help I’m feolifn
Answer:
see explanation
Step-by-step explanation:
∠ R = 2x + 5 , ∠ S = x + 1 , ∠ T = 7x - 16
the sum of the 3 angles in a triangle = 180°
sum the 3 angles and equate to 180
2x + 5 + x + 1 + 7x - 16 = 180
10x - 10 = 180 ( add 10 to both sides )
10x = 190 ( divide both sides by 10 )
x = 19
Then
∠ R = 2x + 5 = 2(19) + 5 = 38 + 5 = 43°
∠ S = x + 1 = 19 + 1 = 20°
∠ T = 7x - 16 = 7(19) - 16 = 133 - 16 = 117°
The ratio of smartphone to table sold at a store is 6:5. If 35 table are sold on Wednesday, how many smartphone were sold?
Answer:
Explanation:
The ratio of smartphones to table sold = 6 : 5.
The number of tables sold = 35
Let the number of smartphones = x
Then:
[tex]undefined[/tex]Steven recorded the times for the race as well but the clock he used recorded the times rounded time to the nearest tenth, Steven would have recorded when Steven tried to award medals for first place second and third place what problems might he face?
The major problem that Steven will face is he can't decide the winner among the racers who have very little difference in time.
What is time?
Time is the continuous movement of existence and the events that take place from the past, present, and onward into the future in what appears to be an unbreakable order. It is a quantity that is a component of numerous measurements that are used to rank events, compare how long they endure, compare the length of occurrences or the gaps between them, and measure how quickly things change in the real world or in our conscious experience. Time is frequently referred to as a fourth dimension in addition to the three spatial dimensions.
The major problem that Steven will face is he can't decide the winner among the racers who have very little difference in time. Since, the clock he uses recorded the times rounded time to the nearest tenth so the racers who completed race in almost equal time with a little difference will be showed as to same tenth value and then, he can't decide the winner among them.
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What is the unit rate for a relationship A (the table)? (do not include units for this one)
PLEASE ANSWER ASAP
Answer:
it is per 1
Step-by-step explanation:
1.Charles wants to invest $20,000. The investment firm is offering 8% interest compounded monthly. How much money will he have made if he leaves his money with the bank for 40 years?2.Lisa’s grandmother left her a $100,000 inheritance. She wants to invest themoney in an account paying 7.2% interest compounded continuously. How muchmoney will be in the account after 30 years?3.John saved $50,000. and wants to put the money into an Index Annuity that paysan average of 8.4% per year, compounded semi-annually. How long will it takehim to reach his goal of $1,000,000?4.Susie needs to make $100,000 to pay her home mortgage and has $10,000 toinvest. How much interest will she need if her bank compounds the interestannually to reach her goal?5.Betty wants to retire in 45 years. She needs $2,000,000. If she’s able to find aMutual Fund that offers 9.5% interest and compounds quarterly, how much willshe need for a deposit?
Apply the compound interest formula:
A= P (1+r/n)^nt
Where:
A: future value of the investment
P: Principal amount
r: interest rate (in decimal form)
n: number of compounding periods in each year
t: years
Replacing:
A= 20,000 (1+0.08/12)^12x40
A = 20,000 (1.0067)^480
A= 485,467.7116
HCF of 220 and 8?? I need the answer quick I’m just doing my homework right now
Answer:
4
Step-by-step explanation:
the prime factors for each is
220 = 2 ×2×5×11
8 = 2×2×2
so the HCF =2×2 = 4
explain why the researchers used data from ten trials and averaged them, rather than data from a single trial.
Answer:
It meant that the results were more reliable and the average makes it more reliable.
Step-by-step explanation:
The researchers used data from ten trials and averaged them, rather than data from a single trial because the data from single trials are more likely to include errors.
What is the research?Research the issue utilizing data from a number of sources. It is critical to understand what one is attempting to achieve while designing an experiment.
The first method is to average identical successive trials, in which the researcher simply compares mean values across groups of patients or treatment effects. Averaging, to some extent, presume that the behavior is random. This premise is often ignored. If there is something systematic going on, such as a trial-by-trial change in response owing to adaptation/learning or weariness, this is potentially highly significant clinical information that is lost when the trials are averaged.
Thus, the data from single trials are more likely to include errors
Hence, the researchers used data from ten trials and averaged them, rather than data from a single trial.
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Simplify
√
5
(
√
5
+
√
20
)
Answer:
√5(√5 + √20)
= √5√5 + √5√20
= √25 + √100
= 5 + 10
= 15
when x^3-2x^2+kx+3 is divided to x-1 the remainder is 3. find the value k.
The value of the 'k' for the given polynomial is found as 1.
What is termed as the division of polynomial?The algorithm for dividing polynomials is used to accomplish a rational number which symbolizes a polynomial divided by the a monomial or the other polynomial. The divisor and dividend are placed in the same manner as in regular division. Dividing polynomials is a math operation in which we divide one polynomial by another, usually with a lower degree than the dividend.For the given question;
Dividend = x³ - 2x² + kx + 3Divisor = x - 1Remainder = 3By the remainder theorem,
Put x - 1 = 0. x = 1, in the polynomial will be equal to its remainder.
Put x = 1 in the polynomial.
x³ - 2x² + kx + 3 = 3
1³ - 2(1)² + k(1) + 3 = 3
1 - 2 + k = 0
k = 1
Thus, the value of the 'k' for the given polynomial is found as 1.
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Find the elapsed time Start 5:15am End time 12:04pm
Given that the start time is 5:15 am. It can be represented as,
[tex]S=5\colon15[/tex]Also given that the end time is 12:04 pm. It can be represented as.
[tex]E=12\colon04[/tex]The elapsed time (e) is equal to the difference between the end time and start time as given below,
[tex]e=E-S[/tex]Substitute the values,
[tex]e=12\colon04-5\colon15[/tex]Note that 04 minutes is greater than 15 minutes, so we have to borrow 1 hour from 12 hours and add it to the minutes,
[tex]12\colon04\equiv11\colon64[/tex]Replace the value and perform the subtraction,
[tex]\begin{gathered} e=11\colon64-5\colon15 \\ e=(11-5)\colon(64-15)_{} \\ e=6\colon49 \end{gathered}[/tex]Thus, the required elapsed time is 6:49, that is, 6 hours and 49 minutes.
Aaron invested $740 in an account paying an interest rate of 5%
compounded continuously. Justin invested $740 in an account paying an interest rate of 5% compounded daily. After 18 years, how much more
money would Justin have in his account than Aaron, to the nearest dollar?
The amount of money Justin would have in his account than Aaron, to the nearest dollar is $0
What is the future value formula for continuous compounding cash flow?
The future value, which is used to determine the worth of this investment of $740 made now in 18 years is as shown below:
FV=PV*e^(rt)
FV=the worth of the investment in 18 years=unknown
PV=the amount invested today=$740
e=mathematical exponential value=2.7182818
r=rate of interest which compounded continuously=5%
t=time of investment in years=18
FV=$740*2.7182818^(5%*18)
FV=$740*2.7182818^(0.90)
FV=$740*2.459603087981220
FV=$1,820.11
Justin:
FV=PV*(1+r/m)^(n*m)
PV=$740
r=5%
m=number of times in a year that interest is compounded=365
m=number of years=18
FV=$740*(1+5%/365)^(18*365)
FV=$1,819.99
difference=$1,820.11-$1,819.99
difference=$0.12($0 to the nearest dollar)
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