Answer:
the answer is the last option, y > 2x-2
The system of linear inequalities y ≤ -2x - 1 and y > -2x + 3 is represented by the graph
InequalityInequality is an expression that shows the non equal comparison of two or more numbers and variables
Given the inequalities y ≤ -2x - 1 and y > -2x + 3, plotting the two inequalities using the geogebra online graphing tool.
The system of linear inequalities y ≤ -2x - 1 and y > -2x + 3 is represented by the graph
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I Will give brainliest please help,
the choices here are just true or false
9514 1404 393
Answer:
TrueTrueFalseStep-by-step explanation:
Your calculator can answer these easily.
The first two are True; the last one is False.
What is the probability that out of 60 lambs born on BaaBaa Farm, at least 35 will be male? Assume that males and females are equally probable, and round your answer to the nearest tenth of a percent.
A. 12.3%
B. 4.6%
C. 25.9%
D. 44.9%
Answer:
A. 12.3%
Step-by-step explanation:
Model this as a binomial distribution
\(X \sim B(n,p)\) where X is the random variable, n is the number of trials, and p is the probability of success.
Therefore,
X = lambs born malen = 60p = 0.5(If the probability of lambs being male and female is equal, then the probability of males being born = 0.5)
\(X \sim B(60,0.5)\)
The probability that at least 35 lambs will be born male:
\(\ \ \ \ \ \ \ P(X\geq 35)=1-P(X\leq 34)\\\\\implies P(X\geq 35)=1-0.8774695851...\\\\\implies P(X\geq 35)=0.1225304149\\\\\implies P(X\geq 35)=12.3 \%\)
X=91° and y=42° what is z?
Here, we just need to add x and y and subtract it from 180.
x + y = 91 + 42 = 133.
180 - 133 = 47.
Hence, z = 47 degrees.
Answer:
47°
Step-by-step explanation:
straight line = 180° we remove the angles x and y and find z
180 - 91 - 42 =
47°
Suppose Nancy has 15 sorts of colors black, red, and of wschure black and were
What is the probability
randomly selected stw be blue
Answer:
Hi there here is the answer!
Step-by-step explanation:
Out of the 3 main chioces there is a total of 15!
so, it would be a probability of 5/15. or 1/3 / 1:3
Drag each tile to its equivalent measure, rounded to the nearest tenth.
Options: 19.8, 10.2, 22.7, 15.4
Measure Equivalent
4 in. _____ Cm
7 kg _____lb
6 gal _____L
65 ft _____ m
The correct matches are: 4 in. → 10.2 cm , 7 kg → 15.4 lb
6 gal → 22.7 L and 65 ft → 19.8 m.
What are conversions?Conversions refer to the process of changing a measurement from one unit to another unit that measures the same quantity.
For example, converting distance from miles to kilometers, or converting weight from pounds to kilograms.
Here are the conversions:
1 inch = 2.54 cm (approx.)
1 kg = 2.205 lb (approx.)
1 gal = 3.785 L (approx.)
1 ft = 0.3048 m (approx.)
Using these conversions, we can find the equivalent measures:
4 in. → 4 × 2.54 = 10.16 ≈ 10.2 cm
7 kg → 7 × 2.205 = 15.435 ≈ 15.4 lb
6 gal → 6 × 3.785 = 22.71 ≈ 22.7 L
65 ft → 65 × 0.3048 = 19.812 ≈ 19.8 m
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Please answer all correctly!
Answer:
Step-by-step explanation:
For the left graph g:
The absolute max is 4 because the highest it goes is to 4 but there is no min because the arrows at bottom means it keeps going
For right graph h:
The absolute max is 3 because that's the highest point
The absolute min is -5 because that's the lowest but there are no arrows so the curve ends on both ends.
Use the following set definitions to specify each set in roster notation. Except were noted, express elements as Cartesian products as strings. A ={a}
B= {b, c } .
C = {a, b, d} a. Ax (B UC) b. Ax (BnC)
c. ( AxB) U (Ax C) d. (Ax B) n (Ax C) e. P(A x B) P(A) x P(B). Use ordered pair notation for elements of the Cartesian product.
Cartesian product are A.{aa, ab, ac, ad} B. {ab} C. {aa, ab, ad} D.{ab}
Given the set notations A = {a} B = {b, c} C = {a, b, d}
BUC = {a, b, c, d}
B∩C = {b}
a) A × (BUC) = {aa, ab, ac, ad}
b) A × (B ∩ C) = {ab}
c) (A × B) ∪ (A × C)
A × B = {ab, ac} and A × C = {aa, ab, ad}
(A × B) ∪ (A × C) = {aa, ab, ac, ad}
d) For (A × B) ∩ (A × C)
(A × B) ∩ (A × C) = {ab}
The symbol ∩ represents the intersection of sets. For example, the intersection of two sets X and Y can be expressed as X ∩ Y.
The union of two sets P and Q is denoted by P ∪ Q. This is the set of all distinct elements contained in P or Q. The symbol used to represent the union of sets is ∪. The intersection of two sets P and Q is denoted by P ∩ Q. This is the set of all distinct elements in both P and Q. The symbol for the set intersection is ∩. The intersection of two given sets, H. P and Q, is the set containing all elements common to both P and Q.
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realiza las siguientes adiciones y halla abc
2+22+222+2222+...+22 222 222=abc
Answer:
sssssssssiiiiiiiiiiiiii
Answer:
6
Step-by-step explanation:
1. A target is divided into 100 squares colored in dark blue, white, and light blue. Amber throws a beanbag that lands on the target.
co
9 25
dark blue
What is the probability that it will land on a dark blue square?
26
white
light blue
The probability of landing on the dark blue target is 2/5.
Finding probabilityProbability is the ratio of required to the total possible outcomes of an event.
The required outcome = dark blue= 25Total possible outcomes= entire sample Space = 100P(dark blue ) = 40/100
divide through by 20
P(dark blue ) = 2/5
Therefore, the probability of landing on target is 2/5
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Find the volume of the cylinder to the nearest cubic foot. Use a calculator. A. 236 ft3 B. 942 ft3 C. 251 ft3 D. 75 ft3
\(\textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5\\ h=3 \end{cases}\implies V=\pi (5)^2(3)\implies V\approx 236~ft^3\)
Answer:
236 ft^3
Step-by-step explanation:
Base radius = 5 ft
Height = 3 ft
Volume = πr^2h
= π × 5^2 × 3
= 75π
= 235.61944901923 feet^3
Nearest Cubic Foot = 236 ft^3
Nearest Cubic Foot:
Hence Answer is:
236 ft^3
Hope this helps!
exercise 3.8. even versus four or less. roll a die. let a be the event that the outcome on the die is an even number. let b be the event that the outcome on the die is 4 or smaller. let c be the event that the outcome on the die is 3 or larger. which of the following are true? check all that apply.
Let c be the event that the outcome on the die is 3 or larger so:
A and B are independent B and C are not independent .A is the outcome is an even number
A →{2, 4, 6}
B is outcome is 4 or smaller
B→{1, 2, 3, 4}
C is outcome is 3 or larger
C→{3, 4, 5, 6}
A∩B = {2, 4}
P(A∩B) = 2/6
⇒P(A∩B) = 1/3
B∩C = {3, 4}
P(B∩C) = 2/6
⇒P(B∩C) = 1/3
P(A) = 1/2 , P(B) = 2/3, P(C) = 2/3
⇒P(A∩B) = 1/3 = P(A) P(B)
Therefore, A and B are independent
P(B∩C) = 1/3 ≠ P(B) P(C)
Therefore, B and C are not independent .
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if x=10^a , y=10^b and x^b.y^a=100.prove that xy=1
Answer:
ab=1
Step-by-step explanation:
Assuming that you meant ab=1
\(x=10^{a}\\\\y=10^b\\\\x^b*y^a=100\\\\(10^a)^b*(10^b)^a=100\\\\10^{ab}*10^{ba}=100\\\\10^{ab+ba}=100\\\\10^{2ab}=100\\\\(10^2)^{ab}=100\\\\100^{ab}=100\\\\ab=1\)this is because the exponents have to be equal
Nathan plays Fortnite and has accumulated 380 solo wins over 2 days . His friend Debbie has 10 times fewer solo wins. How many solo wins does Debbie have?
Answer:
okay if nathan has 380 wins in 2 days that would mean debbie has 190 wins per day
Step-by-step explanation:
380 divide 2=190
can someone answer this!?
Answer:
x = 58
Step-by-step explanation:
Hope this helps
enjoy
Answer:
the answer is d because that is how much degrees it is
Step-by-step explanation:
The length of a rectangular field is represented by the expression 14x-3x^2+2y . The width of the field is represented by the expression 5x-7x^2+7y . How much greater is the length of the field than the width?
The length of the field is greater than the width by the expression \((14x - 3x^2 + 2y) - (5x - 7x^2 + 7y).\)
1. The length of the field is represented by the expression \(14x - 3x^2 + 2y.\)
2. The width of the field is represented by the expression \(5x - 7x^2 + 7y\).
3. To find the difference between the length and width, we subtract the width from the length: (\(14x - 3x^2 + 2y) - (5x - 7x^2 + 7y\)).
4. Simplifying the expression, we remove the parentheses: \(14x - 3x^2 + 2y - 5x + 7x^2 - 7y.\)
5. Combining like terms, we group the \(x^2\) terms together and the x terms together: \(-3x^2 + 7x^2 + 14x - 5x + 2y - 7y.\)
6. Simplifying further, we add the coefficients of like terms:\((7x^2 - 3x^2) + (14x - 5x) + (2y - 7y).\)
7. The simplified expression becomes: \(4x^2 + 9x - 5y.\)
8. Therefore, the length of the field is greater than the width by the expression \(4x^2 + 9x - 5y.\)
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Assume that the population proportion is 0.46. Compute the standard error of the proportion, σp, for sample sizes of 500,000; 1,000,000; 5,000,000; 10,000,000; and 100,000,000. (Round your answers to five decimal places.)
Answer with explanation:
Given: The population proportion: p = 0.46
Standard error = \(\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}\) , where n= sample size.
a) n= 500,000
\(\sigma_p=\sqrt{\dfrac{0.46(1-0.46)}{500000}}\)
\(=\sqrt{\frac{0.46\times 0.54}{500000}}=\sqrt{0.0000004968}\approx0.00070\)
b) n= 1,000,000
\(\sigma_p=\sqrt{\dfrac{0.46(1-0.46)}{1000000}}\)
\(=\sqrt{\frac{0.46\times 0.54}{1000000}}=\sqrt{0.0000002484}\approx0.00050\)
c) n= 5,000,000
\(\sigma_p=\sqrt{\dfrac{0.46(1-0.46)}{5000000}}\)
\(=\sqrt{\frac{0.46\times 0.54}{5000000}}=\sqrt{0.00000004968}\approx0.00022\)
d) n= 10,000,000
\(\sigma_p=\sqrt{\dfrac{0.46(1-0.46)}{10000000}}\)
\(=\sqrt{\frac{0.46\times 0.54}{10000000}}=\sqrt{0.00000002484}\approx0.00016\)
e) n= 100,000,000
\(\sigma_p=\sqrt{\dfrac{0.46(1-0.46)}{100000000}}=\sqrt{0.000000002484}\approx0.00004\)
\(=\sqrt{\frac{0.46\times 0.54}{500000}}=\sqrt{0.0000004968}\approx0.00070\)
The student newspaper runs a weekly question that readers can answer online or by campus mail. One question was "Do you think the
college is doing enough to provide student parking?" of the 136 people who responded, 79% said "No". The number 79% is a
A. parameter
B.population
C.sample
D.statistic
Answer:
Statistic
Step-by-step explanation:
Just a hunch but whenever there's percentages involved, it's usually statistics
What is the domain of the function graphed above?
A.
{7/2}
B. -♾
O C. -2 _< x <♾
OD. -10 _< x _< 10
Answer:
D
Step-by-step explanation:
What is the meaning of conditionally promoted in school
Please help——- Geometry problem
Thank you.
Answer:
b
Step-by-step explanation:
sinA = \(\frac{opposite}{hypotenuse}\) = \(\frac{BC}{AB}\) = \(\frac{s\sqrt{3} }{2s}\) ( cancel s on numerator/ denominator ), then
sinA = \(\frac{\sqrt{3} }{2}\) → b
write an equation of a line passing through the point (-1,3) and parallel to AB with A(3,-5) and B (-2,15)
Answer:
y = -4x - 1
Step-by-step explanation:
Let's first find the equation of the line segment AB. The equation of a line in slope-intercept form is y = mx + b where m represents the slope and b represents the y-intercept. Start by finding the slope.
Finding the Slope of ABThe equation for slope is: \(\frac{y_2-y_1}{x_2-x_1}\). These variables represent any pair of coordinates on the line. In this case since the two points chosen are A and B, thus:
\(x_2=-2\\x_1=3\\y_2=15\\y_1=-5\)
If we plug these values into the equation, we get:
\(\frac{15-(-5)}{-2-3}=\frac{20}{-5}=-4\)
Now we need to find the equation of a line that passes through the point (-1, 3) and is parallel to AB. If two lines are parallel they share the same slope. The equation of the line parallel to AB is y = -4x + b. We can plug in the coordinate (-1, 3) into the equation to solve for b.
Solving for the y-intercept\(y = mx+b\\3 = -4(-1) +b\\3=4+b\\\text{Subtract 4 from both sides}\\b=-1\)
Therefore the equation of the line that passes through the point (-1, 3) and is parallel to AB is y = -4x - 1.
Which represents the recursive formula for the geometric sequence
gn = -3 ×2n-1?
A. g2 = g1 × –2
B. g2 = g1 × 2
C. g3 = g2 × -3
D. g3 = a2 × 3
Answer:
my quess is c
Step-by-step explanation:
but im not for sure just a guess
The total amount of money that he had deposited into his account at the end of March is .
Boris started on the treadmill after setting timer for 99 minutes. The display says he have finished 43% of his run. How many minutes have gone by. Round to the nearest tenth
A rectangle is 20 meters long and 20 meters wide. If the length is increased by 10% and the width is decreased by 10%, what is the new area?
Consider that the initial length and width of the rectangle are given as,
\(\begin{gathered} l=20 \\ b=20 \end{gathered}\)After the length is increased by 10%, the new length (L) of the rectangle is calculated as,
\(\begin{gathered} L=(1+\frac{10}{100})\cdot l \\ L=(\frac{110}{100})\cdot20 \\ L=22 \end{gathered}\)After the width is decreased by 10%, the new width (B) of the rectangle is calculated as,
\(\begin{gathered} B=(1-\frac{10}{100})\cdot b \\ B=(\frac{90}{100})\cdot20 \\ B=18 \end{gathered}\)Then the area (A) of the new rectangle is calculated as,
\(\begin{gathered} A=L\times B \\ A=22\times18 \\ A=396 \end{gathered}\)Thus, the new area of the rectangle is 396 square meters.
The area of a rectangle is 16 1/3 square inches.The width is 4 2/3. Inches.Find the length
Answer:
Let the length of the rectangle be L. Then we can use the formula for the area of a rectangle:
Area = Length x Width
Substituting the given values, we get:
16 1/3 = L x 4 2/3
To solve for L, we can first convert the mixed numbers to improper fractions:
16 1/3 = 49/3
4 2/3 = 14/3
Substituting these values, we get:
49/3 = L x 14/3
To solve for L, we can multiply both sides by the reciprocal of 14/3:
49/3 ÷ 14/3 = L
Simplifying, we get:
L = 49/3 x 3/14
L = 7/1
L = 7
Therefore, the length of the rectangle is 7 inches.
Step-by-step explanation:
Question is below ( explanation)
To find the rate, you must divide the distance traveled by the time it took.
17.5 m is the distance while time it took was 5 seconds.
So,
17.5 ÷ 5 = 3.5 m/s
The rate of the anchor is 3.5 m/s
Note: I did not ignore the negative sign in the distance but rather acknowledged it as a magnitude. This meant that the anchor was dropping down instead of going up.
PLEASE HELP DUE SOON
Answer:
Image of proof attached
Step-by-step explanation:
So it is given that ∠1 ≅ ∠4 and we have to find that ∠3 ≅ ∠2.
I am going to show one way to prove this, but there are likely many more ways to prove this.
I hope this helps. Happy studying.
In a pre algebra class containing 43 students, there are 4 freshman, 35 sophomores, and 4 juniors. what fraction of the class are sophomores
The fraction of the class that is sophomores is \(35/43\).
The fraction of the class that is sophomores, divide the number of sophomores by the total number of students in the class.
Number of sophomores = 35
Total number of students = 43
Fraction of sophomores = (Number of sophomores)/(Total number of students Fraction of sophomores)
Fraction of sophomores \(= 35 / 43\)
Therefore, the fraction of the class that are sophomores is = \(35/43\).
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May you help me please with this homework for Math?
The the vertices of reflected square, Q'R'S'T are Q' = (3, 1), R' = (-8, -2), S' = (-7, -7) and T' = (-2, -6)
What is reflection?A reflection is a mirror image of the shape. An image will reflect through a line, known as the line of reflection. A figure is said to reflect the other figure, and then every point in a figure is equidistant from each corresponding point in another figure.
Given that, a square QRST with vertices Q(-3, 1), R(8, -2), S(7, -7) and T(2, -6)
is reflected across y-axis, to form Q'R'S'T we need to find the vertices of reflected square.
We know that, rule of reflection over y-axis,
(x, y) → (-x, y)
Q' = (3, 1)
R' = (-8, -2)
S' = (-7, -7)
T' = (-2, -6)
Hence, the the vertices of reflected square, Q'R'S'T are Q' = (3, 1), R' = (-8, -2), S' = (-7, -7) and T' = (-2, -6)
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