Kevin made 4 of his 6 shots on goal at soccer practice if he continues to shoot in the same manner throughout the practice how many shot would he make out of 72
Answers
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jenny solved the equation 1-(2x+4)=-4x+5 what her error
Answers
Step-by-step explanation:
1-(2x+4)= 1-2x-4= -2x-3
Given the graph of f(x) above, find the following and write your answers using interval notation (Separate multiple intervals with a comma):
(a) Domain: 7
(b) Range:
(c) Interval(s) on which f(x) is increasing:
(d) Interval(s) on which f(x) is decreasing:
(e) Interval(s) on which f(x) is constant:
(f) Local maxima: 3
(g) Local minima: -5
Answers
Answer:
a) [-9,8)
b) [-5,5]
c) (-4,0), (1,6)
d) [-9,-4), (6,8)
e) [0,1]
f) just the y-value: 5; as a point: (-8,5)
g) just the y-value: -5; as a point: (-4,-5)
Step-by-step explanation:
a) Domain is all of the x-values that are defined in the function. The smallest x-value in the graph is -9, and the largest is 8. And all values in between are defined (have corresponding y-values). But notice that there's an open dot on (8,0).
b) Range is found the same way as Domain, but with the y-values. The smallest y-value of this function is -5, and the largest is 5.
For c-e, notice where the graph changes direction and draw a vertical line from the x-axis through the turning point. These lines are the boundaries between intervals of increasing/decreasing/constant. You should have vertical lines at x=-4, x=0, x=1, and x=6.
c) Interval(s) on which f(x) is increasing: Reading the graph from Left To Right, between which vertical lines is the graph going up?
d) Interval(s) on which f(x) is decreasing: Reading the graph from Left To Right, between which vertical lines is the graph going down?
e) Interval(s) on which f(x) is constant: Reading the graph from Left To Right, between which vertical lines is the graph staying flat?
f) Look for the highest non-infinity point on the graph
g) Look for the lowest non-infinity point on the graph
The local government is concerned with the population of a new predatory fish, the tiger gar, which was first observed in Lake Richmond about 5 years ago. The following table shows the approximate number of tiger gars living in the lake since 2016:
2016 2017 2018 2019 2020 2021
322 399 507 618 785 975
Using the TI-nspire calculator, write an exponential function that models the population of tiger gar in the lake. (Round all numbers to the nearest hundredth.)
y=blank(blank)x
Answers
The exponential function that models the population of tiger gar in the lake is given as follows:
\(y = 322.63(1.25)^x\)
How to define an exponential function?An exponential function has the definition presented as follows:
\(y = ab^x\)
In which the parameters are given as follows:
a is the value of y when x = 0.b is the rate of change.Considering x as the number of years since 2016, the points are given as follows:
(0, 322), (1, 399), (2, 507), (3, 618), (4, 785), (5, 957).
Inserting these points into an exponential regression calculator, the equation is given as follows:
\(y = 322.63(1.25)^x\)
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Pls help me if you can I really need help
Answers
Answer:
y = 1/10x
Step-by-step explanation:
We see that it intersects points (60,6), (120,12), and (0,0)
y = mx + b
m = 6/60 = 1/10
b = 0
y = 1/10x
Which of the following number lines represents the solution set of > -6?
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The number line first represents the solution to the inequality x/-1 > -6 option first is correct.
What is inequality?It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than known as inequality.
The complete question is:
Which of the following number lines represents the solution set of x/-1 > -6?
For the number lines shown in the attached picture, please refer to the picture.
We have an inequality:
x/-1 > -6
x < 6
x ∈ (-∞, 6)
Thus, the number line first represents the solution to the inequality x/-1 > -6 option first is correct.
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Select all of the following true statements if R = real numbers, N = natural numbers, and S = {10, 11, 12,...}.
A. -15∈N
B. N⊂R
C. S⊂N
D. ∅⊂N
E. N∈S
F. {10.11.12,...}⊆S
Answers
The true statements are:
B. N⊂R
C. S⊂N
D. ∅⊂N
F. {10.11.12,...}⊆S
Subsets and SetsNote that:
All real numbers are numbers that can be found on the real number lineNatural numbers are positive whole numbersAll natural numbers are subsets of real numbersThe null set (∅) is a subset of every setA set is a proper subset of itselfFollowing the points highlighted above, the true statements in the given options re:
B. N⊂R
C. S⊂N
D. ∅⊂N
F. {10.11.12,...}⊆S
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QUESTION 4 PATTERNS, FUNCTIONS AND ALGEBRA 1. Given 6x³-8x³+2+9x7-4x a. How many terms are there in the polynomial? State the degree of the polynomial c. Determine the value of the polynomial if x=-1 b.
Answers
Answers:
a) There are 5 termsb) Degree = 7c) The value is -1==========================================
Explanation:
a) Each term is separated by a plus or a minus.b) The degree is equal to the largest exponent. This applies to single variable polynomials only.c) Replace each x with -1. Then use the order of operations PEMDAS to simplify. You should get -1 as the answer. Use a calculator to confirm. It is a coincidence that we have the same input and output. This will not always happen with any general polynomial function.Graph the circle (x-2)^2 + (y-7)^2 = 4
Answers
Answer:
see attached
Step-by-step explanation:
You want the graph of the circle defined by the equation ...
(x-2)^2 + (y-7)^2 = 4.
Circle equationThe equation of a circle with center (h, k) and radius r is ...
(x -h)² +(y -k)² = r²
Comparing this to the given equation, we see ...
h = 2, k = 7, r² = 4
Then r = √4 = 2.
The circle will have its center at (2, 7) and will have a radius of 2. It is shown in the attached graph.
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Find the accumulated amount A if the principal P is invested at the interest rate of r/year for t years. (Use a 365-day year. Round your answer to the nearest cent.)
P = $1100, r = 2 1/2% t = 9, compounded annually
A =
Answers
The accumulated amount (A) after 9 years, with a principal of $1100, an interest rate of 2 1/2% compounded annually, is $1356.94.
The accumulated amount (A) can be calculated using the formula for compound interest-
A = P × (1 + r÷n) ^( n × t).
Where:.
P = principle amount ($ 1100 in this instance).
r = rate of interest annually (2 1/2% can be composed as 0.025).
t = no. of years (9 ).
n= number of times the interest is compounded per year i.e n=1
Replacing the provided values into the formula, we obtain:.
A = $1100 × (1 + 0.025÷ 1) ⁹
A = $1100 × (1.025 )⁹
A ≈ $1356.94
Therefore, the accumulated amount (A) after 9 years, with a principal of $1100, an interest rate of 2 1/2% compounded annually, is $1356.94.
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Paige was playing a trivia game where you gained points for correct answers and lost points for incorrect answers. At the start of round 3 she was at -700 points. During the round she answered eight 400 point questions correct and she answered nine 600 points questions incorrect. What was her score at the end of the round?
Answers
Answer:
7900 points
Step-by-step explanation:
Answer:
-2900 points
Step-by-step explanation:
8*400=3200
-700+3200=2500 points
9*600=5400
2500-5400= -2900 points
On average, Nathaniel drinks
4/5 of a 10-ounce glass of water in
2 2/5
hours. How many glasses of water does he drink in one hour? Enter your answer as a whole number, proper fraction, or mixed number in simplest form.
Answers
Nathaniel drinks 3 glasses of water in one hour.
To find out how many glasses of water Nathaniel drinks in one hour, we need to calculate his drinking rate per hour.
In 2 2/5 hours, Nathaniel drinks 4/5 of a 10-ounce glass of water.
Let's convert the mixed number of hours to an improper fraction:
\(2\frac{2}{5} = \frac{(5 \times2 + 2)}{5}\)
\(=\frac{12}{5}\)
Now, we can set up a proportion to find his drinking rate per hour.
We know that \(\frac{12}{5}\) hours corresponds to \(\frac{4}{5}\) of a glass of water.
Let's assign "x" as the number of glasses he drinks in one hour.
The proportion is then
\(\frac{(\frac{12}{5} hours) }{(x glasses) } =\frac{(\frac{4}{5} glass)}{(1 hour)}\)
Cross-multiplying gives us
\((\frac{12}{5} )\times1=\frac{4}{5}\times(x)\)
Simplifying, we get
\(\frac{12}{5} =\frac{4}{5}\times x\)
Dividing both sides by \(\frac{4}{5}\), we find x:
\(x=\frac{(\frac{12}{5} )}{\frac{4}{5} }\)
\(x=\frac{12}{4}\)
\(x = 3.\)
Therefore, Nathaniel drinks 3 glasses of water in one hour.
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LaTeX: 6x-7=-1696 x − 7 = − 169
x = ?
Answers
6x-7= -1696
6x= -1689
x= -281.5
x − 7 = − 169
x= -162
Need help will give brainliest and 5 stars! (Check Picture)
Give the equation of a rational function which has all of the properties above.
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Answer:
\(f(x) = \frac{(x - 1)(x - 2)(x - 6)}{(x - 1)(x - 3)(x - 5)} \)
2Drag each set of coordinates to the correct location on the table.Calculate the distance between the pairs of coordinates, and classify them according to the distance between them.(3, 4) and (2, 1)(3, 7) and (5,2)(5,-2) and (3, 3)(-2, 3) and (1, 2)(-4,-2) and (-3, 1)(4, -1) and (-1,1)TO units29 unitsResetNext
Answers
Step 1
State the distance between points formula
\(D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)Step 2
Find the distance between the points
\(\begin{gathered} D=\sqrt{(2-3)^2+(1-4)^2}=\sqrt{10}\text{ units} \\ (3.4)\text{ and \lparen2,1\rparen =}\sqrt{10}\text{ units} \end{gathered}\)\(\begin{gathered} D=\sqrt{(5-3)^2+(2-7)^2}=\sqrt{29\text{ }}units \\ (3,7)\text{ and \lparen5,2\rparen = }\sqrt{29\text{ }}\text{ units} \end{gathered}\)\(\begin{gathered} D=\sqrt{(3-5)^2+(3+2)^2}=\sqrt{29}\text{ units} \\ (5,-2)\text{ and \lparen3,3\rparen =}\sqrt{29}\text{ units} \end{gathered}\)\(\begin{gathered} D=\sqrt{(1-(-2))^2+(2-3)^2}=\sqrt{10\text{ }}units \\ (-2,3)\text{ and \lparen1,2\rparen=}\sqrt{10}\text{ units} \end{gathered}\)\(\begin{gathered} D=\sqrt{(-3-(-4))^2+(1-(-2))^2}=\sqrt{10}units \\ (-4,-2)\text{ and \lparen-3,-1\rparen=}\sqrt{10}units \\ \end{gathered}\)\(\begin{gathered} D=\sqrt{(-1-4)^2+(1-(-1)^2}=\sqrt{29}\text{ units} \\ (4,-1)\text{ and \lparen-1,1\rparen=}\sqrt{29}\text{ units} \end{gathered}\)calculate the mean deviation of the following numbers 8,5,7,10,3,4,31,12.
Answers
Answer:
5.75.
Step-by-step explanation:
The mean = (8+5+7+10+3+4+31+12)/ 8
= 80/8
= 10.
Now we calculate the difference of each value from the mean We take the absolute ( positive) differences
10 - 8 = 2
10 - 5 = 5
10 - 7 = 3
10 - 10 = 0
10-3 = 7
10 = 4 = 6
10 - 31 = 21
10 - 12 = 2
Sum of the differences = 46
and the mean deviation is 46/8 = 5.75.
How many pairs of parallel sides
does this shape appear to have?
Answers
There are three pairs of parallel sides.
We have,
Parallel sides refer to two or more sides of a polygon or a shape that are always equidistant and do not intersect.
In other words, parallel sides are lines that lie in the same plane and never meet or cross each other.
In a polygon, such as a rectangle or a parallelogram, parallel sides are pairs of sides that are opposite to each other.
For example, in a rectangle, the two pairs of opposite sides are parallel to each other.
Similarly, in a parallelogram, both pairs of opposite sides are parallel.
Now,
From the figure,
There are three pairs of parallel sides:
- a and d are parallel
- b and e are parallel
- f and c are parallel
Thus,
There are three pairs of parallel sides.
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If you failed your math test due to being unprepared. What are 2 things that you could have done to prevent being unprepared for your test?
Answers
Answer:
go everything youve learnt from grade 3 come right up
Step-by-step explanation:
sometimes its knowing the simply formulas thatll get you through
Factor completely x^2 + 8x + 15.
O (x+3)(x+5)
O (x+3)(x-5)
O X+1)(x+15)
O(x+1)(x-15)
Answers
Answer:
x<3 and x<5
Step-by-step explanation:
Given the quadratic inequality x² - 8x + 15 <0, to get the solution set for the inequality, the following steps must be followedStep 1: Factorize the quadratic expression
x² - 8x + 15 <0
x² - 3x - 5x + 15 <0
x(x - 3) - 5(x - 3) <0
(x -3)(x -5)< 0
x -3<0 and x -5<0
x< 3 and x< 5
The temperature was 38 degrees Fahrenheit before a cold front came through. Ten hours later, the temperature was -12 degrees Fahrenheit. If the temperature dropped at a constant rate, find the rate of change, in degrees per hour.
Answers
Answer:
-5 degrees per hour
Step-by-step explanation:
In 10 hours, the temperature dropped -50 degrees (38 + 12, and make it negative because the temperature went down, not up).
So divide -50 by 10
-50/10 = -5
Graph your salary and
Answers
A graph of the exponential function \(f(n)=37000(1.06)^n\) is shown in the image attached below.
How to write and graph an exponential function?In Mathematics and Geometry, an exponential function can be modeled by using this mathematical equation:
\(f(x)=a(b)^x\)
Where:
a represents the initial value or y-intercept.x represents x-variable.b represents the rate of change or common ratio.Based on the information provided above, your salary can be modeled or represented by the following exponential function;
\(f(n)=37000(1.06)^n\)
Lastly, we would use an online graphing calculator to plot the given exponential function as shown in the graph attached below.
In conclusion, the rate of change of this exponential function is equal to 1.06.
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A. What does each of these points represent in the is situation: (0, 0), (1, 55), and (5, 275)?
What does each of these points represent in this situation (0, 0), (1, 55) and (5, 275)? Graph shows Mr. Brown’s road trip, with time (h) on the x-axis and distance (mi) on the y-axis. Points marked on the line graph are at (0, 0), (1, 55) and (5, 275).
Answers
Step-by-step explanation:
\(︎{\blue{\rule{25pt}{1pt}{\purple{\rule{30pt}{3pt}{\red{\rule{50pt}{9999pt}{\purple{\rule{30pt}{3pt}{\blue{\rule{25pt}{1pt} }}}}}}}}}}︎︎︎\)
The accompanying table shows the tax, in dollars, on a pack of cigarettes in 30 randornly selected cities. Complete parts (a) through (9) below.
Click the icon to view the table of data.
(a) Construct a frequency distribution. Use a first class having a lower class limit of O and a class width of 0.50.
(Type integers or decimals. Do not round.)
Tax Frequency
i Taxes on a pack of cigarettes (in dollars)
х
2.87 0.61 1.17 1.03 2.19 0.44
0.82 2.55 0.29 0.36 0.82 0.82
1.57 3.43 0.83 3.79 2.23 2.26
1.69 1.53 1.48 1.68 1.23 0.68
0.12 1.46 2.99 0.73 0.57 0.93
Enter your answer in the edit fields and then click Check A
Print
Done
34 parts
Answers
The construction of the frequency distribution is as follows:
Tax Frequency
0-0.49 4
0.50-0.99 9
1.0-1.49 5
1.50-1.99 4
2.0-2.49 3
2.50-2.99 3
3.0-3.49 1
3.50-3.99 1
4.0-4.49 0
What is a frequency distribution?A frequency distribution is a graphical or tabular representation of a list of values in such a way that it displays the number of observations or outcomes within a given interval.
Data used for calculations:2.87 0.61 1.17 1.03 2.19 0.44
0.82 2.55 0.29 0.36 0.82 0.82
1.57 3.43 0.83 3.79 2.23 2.26
1.69 1.53 1.48 1.68 1.23 0.68
0.12 1.46 2.99 0.73 0.57 0.93
Thus, the frequency distribution is stated in tabular form, just as it can be stated graphically.
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Charleston's mom has a basket of nail polish containing 7 bottles of
pink, 2 purple, 1 red, 1 black, 1 white, and 3 glitter. If Charleston reaches
into the basket and pulls out a random bottle of nail polish, what is the
probability it will not be pink or purple? *
Answers
Answer:
Step-by-step explanation:
total number of nail polish = 15
number of pink nail polish= 7
number of purple nail polish = 2
so 7+2 = 9
15-9 = 6
so probability( of not getting pink or purple nail polish ) = favourable outcomes/ total outcomes
= 6/15
A health club charges a one-time sign-up fee and a monthly membership fee. The
equation y = 38x+20 represents what the health club charges. Find the rate of
change
Answers
Answer: Im guessing it has no term
Step-by-step explanation:
hope its right let me know its right
Evaluate 3x2 + 3x - 9, when x = 2
Answers
3x2 =6 +3(2)-9
= 3
Answer:
9
Step-by-step explanation:
3x^2 + 3x - 9
Substitute x = 2 into the equation.
3(2)^2 + 3(2) - 9
3(4) + 6 - 9
12 + 6 - 9
18 - 9 =
9
Which statement about stratified random sampling is true?
A stratified random sample is a combination of simple random samples selected from each of several strata.
A stratified random sample is formed by selecting one stratum from a simple random sample of the population.
A selection of every 3rd person from an alphabetical list of a population forms a stratified random sample.
A stratified random sample consists of choosing several strata, and each stratum is representative of the entire population
Answers
Answer: A stratified random sample consists of choosing several strata, and each stratum is representative of the entire population.
Step-by-step explanation: well i knew this answer by studying in my math class
Answer:
the right answer is A: A stratified random sample is a combination of simple random samples selected from each of several strata
Step-by-step explanation:
Use the spinner to find the theoretical probability of the event. Write your answer as a fraction or a percent rounded to the nearest tenth.
Answers
The theoretical probability of spinning red is given as follows:
1/3.
How to calculate a probability?The parameters that are needed to calculate a probability are listed as follows:
Number of desired outcomes in the context of a problem or experiment.Number of total outcomes in the context of a problem or experiment.Then the probability is calculated as the division of the number of desired outcomes by the number of total outcomes.
For the spinner in this problem, 2 out of 6 regions are red, hence the theoretical probability is given as follows:
2/6 = 1/3.
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Find each key feature of the function shown in the graph. Enter all intervals using interval notation. Enter the x-intercepts as values of x only.
range=
domain=
x-intercepts=
average rate of change over the interval [0,2]=
the right-most interval where the graph is positive=
Answers
Answer:
Step-by-step explanation:
Range of the function is the set of y-values (output values) of the function on the graph.
Domain of the function is the set of x-values (input values) of the function.
Domain of the function : [-5, 4)
(including x = -5 and excluding x = 4)
Range : [-4, 2)
(Including y = -4 and excluding y = 2)
x - intercepts : x = -5, -2, 2
Average rate of change over the interval [0, 2]
= \(\frac{f(2)-f(0)}{2-0}\)
= \(\frac{0-(-4)}{2-0}\) [Since, f(2) = 0, f(0) = -4]
= 2
Right most interval where the graph is positive → [2, 4]
The key feature of a function include the intercepts and intervals of the function
The range is [-4,2)The domain is [-5,4)The x-intercepts are -2 and 2The average rate of change over the interval [0,2] is 2The right-most interval where the graph is positive is [2,4](a) The range
The least y value on the graph is at y = -4, and the maximum is at y = 2, with an open circle.
So, the range is:
\(\mathbf{Range = [-4,2)}\)
(b) The domain
The least x value on the graph is at x = -5, and the maximum is at x = 4, with an open circle.
So, the domain is:
\(\mathbf{Domain = [-5,4)}\)
(c) The x-intercepts
This is the point where the graph crosses the x-axis.
So, we have:
\(\mathbf{x-intercept =-2 \ and\ 2}\)
(d) Average rate of change over [0,2]
From the graph, we have:
f(0) = -4
f(2) = 0
So, the average rate of change (m) is:
\(\mathbf{m = \frac{f(2) - f(0)}{2 - 0}}\)
\(\mathbf{m = \frac{0 - -4}{2 - 0}}\)
\(\mathbf{m = \frac{4}{2}}\)
\(\mathbf{m =2}\)
(d) The right-most interval where the graph is positive
The graph is positive from x = 2 to x = 4.
Hence, the right-most interval where the graph is positive is [2,4]
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Help asap!!! (DIFFERENT THAN ALL THE OTHERS!!!) brainliest if correct
Each soccer player has one yellow, one blue, and one white jersey. For the last game of the season, each player could choose which jersey they wanted to wear. The table below shows the percentage of players that wore each color jersey.
Jersey Color Percentage of Players
Yellow 0.45
Blue 0.25
White 0.30
Compare the probabilities of a randomly selected player wearing a certain jersey color and interpret the likelihood. Choose the statement that is true.
The player will be more likely to wear a blue jersey than a yellow jersey because P(Blue) > P(Yellow).
The player will be more likely to wear a white jersey than a yellow jersey because P(White) > P(Yellow).
The player will be more likely to wear a white jersey than a blue jersey because P(White) > P(Blue).
The player will be equally likely to wear a yellow jersey or a white jersey because P(Yellow) = P(White).
Answers
Answer:
The player will be more likely to wear a white jersey than a blue jersey because P(White) > P(Blue).
Solve:
|11x + 10| = 22
A. x= -11/32 or x= 11/12
B. x= -32/11 or x= 12/11
C. x= -10/11 or x= 10/11
D. x= 12/11 or x= 32/11
Answers
Answer:
D. x=12/11 or x=32/11.
Answer:
D) x=12/11 or x=32/11.
Step-by-step explanation:
because i just know math