Answer:
see photo
Step-by-step explanation:
took the test
Solve -2(2x + 5) - 3 = -3(x - 1).
The solution for the equation -2(2x + 5) - 3 = -3(x - 1) is x = - 16 which can be solved by the use the distributive property.
What is distributive property?Distributive Property that when we multiply a number by a group of numbers that are added together, we can multiply each value in the group separately, then add the products of the multiplications.
-2(2x + 5) - 3 = -3(x - 1)
To solve this equation, we need to first use the distributive property to expand the left side of the equation.
We have:
-4x-10-3 = -3(x - 1)
-4x-13 = -3(x - 1)
Now, we can group the like terms on the left side and the right side of the equation.
On the left side, we have -4x - 13 and on the right side, we have -3x + 3.
-4x-13 = -3x + 3
To solve for x, we can add 3x to left side of the equation and add 13 to the right side.
This results in the equation:
-4x+ 3x = 13 + 3
Now, we can add 3x with -4x of the equation to isolate the x-term.
We have:
-x = 16
x = - 16
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Which of the following has imaginary solutions?
x ^ 2 + 3x - 5 = 0
x ^ 4 - 5x ^ 2 + 3 = 0
2x ^ 2 - 6x = - 7
- 3x ^ 2 = - 5
2x² - 6x = -7 equation has imaginary solutions
To determine if an equation has imaginary solutions, we can examine the discriminant of the quadratic equation
x² + 3x - 5 = 0
a = 1, b = 3, c = -5
Discriminant = (3)² - 4(1)(-5) = 9 + 20 = 29
The equation has two real solutions
x⁴ - 5x ^ 2 + 3 = 0
This equation is a quartic equation, not a quadratic equation. Quartic equations can have both real and imaginary solutions
2x² - 6x = -7
2x^2 - 6x + 7 = 0
a = 2, b = -6, c = 7
Discriminant = (-6)²- 4(2)(7) = 36 - 56 = -20
Since the discriminant (-20) is negative, the equation has two complex (imaginary) solutions.
-3x² = -5
Dividing both sides by -3, we get:
x²= 5
a = 1, b = 0, c = -5
Discriminant = 0² - 4(1)(-5) = 20
The equation has two real solutions.
Hence, 2x² - 6x = -7 equation has imaginary solutions
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According to the video, what are some risks faced by Registered Nurses? Check all that apply.
patients with infectious diseases
angry family members of patients
ambulance accidents
machines that use radiation
Answer:
A and D
Step-by-step explanation:
Answer:
A: patients with infectious diseases
D: machines that use radiation
I need that 5+ points if ya know what im sayin ;)
The following are water temperatures at various beaches in San Diego:
58° 61° 68° 65° 58°
What is the mode of the data set?
Answer:
Mode is 58 degrees
Step-by-step explanation:
A hose fills a hot tub at a rate of 2.82
gallons per minute. How many hours will it take to fill a 303
-gallon
hot tub?
Answer:
Step-by-step explanation:
60 minutes per hour
2.82gal *60mins = 169.2gal per hour.
303 gallons / 169.2 gph = about 1.7907 hours
Examine the following graphed systems of linear inequalities. Select the points below that are solutions to each system of inequalities. Select TWO that apply.
1. 2.
(2,3) (0,0)
(4,3) (4,3)
(-7,6) (6,1)
(-2,3) (2-5)
I need help D: pls
The points which satisfy both the systems are (4, 3) and (-2, 3).Hence, the correct options are (c) (4, 3) and (-2, 3).
What is graph?A graph is a visual representation of data that shows the relationship between different variables or sets of data. Graphs are used to display complex information in a simple and easy-to-understand way, making it easier for people to analyze and interpret the data.
According to question:From the graph, it can be observed that in System 1, the area below the line is the solution region, whereas, in System 2, the area above the line is the solution region.
System 1 equation is y ≤ -x + 3. Solution points of System 1: Points (0, 0), (2, 3) and (-2, 3) lie below the line y ≤ -x + 3, thus are the solution points of System 1. System 2 equation is y > 3/4 x - 3. Solution points of System 2: Points (4, 3), (-7, 6) and (6, 1) lie above the line y > 3/4 x - 3, thus are the solution points of System 2.Therefore, the points which satisfy both the systems are (4, 3) and (-2, 3).Hence, the correct options are (c) (4, 3) and (-2, 3).
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What is the meaning of "\( \varphi (x,y)\) be \( y\wedge \phi (x)\) "?
The reasoning presented lacks explicit explanations and logical connections between the steps, making it difficult to fully understand the intended proof strategy.
The given proof aims to show that the Separation Axioms can be derived from the Replacement Schema using a particular construction involving a formula p(x, y). Let's analyze the proof step by step:
Define the formula p(x, y) as x = yo(x).
This formula states that for each x, y pair, x is equal to the unique object y such that y is obtained by applying the operation o to x.
Define the set F as {(x, x) (x)}.
This set F contains pairs (x, x) where x is the unique object obtained by applying the operation (x) to x.
Claim: F(X) = {y (x = X)p(x, y)} = {y: (x = X)x = y^o(x)} = {x: (3x € X)o(x)} = {x X: (x)}.
This claim asserts that F(X) is equivalent to {y (x = X)p(x, y)}, which is further equivalent to {y: (x = X)x = y^o(x)}, and so on.
The proof states that since (x, y) satisfies the functional formula VaVyVz(p(x, y)^(x, z) y = z), it follows that (x, y) is a functional formula.This step emphasizes that the formula p(x, y) satisfies certain properties that make it a functional formula, which is relevant for the subsequent deductions.
Finally, the proof concludes that the Separation Axioms follow from the Replacement Schema, based on the previous steps.
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PLS HELP WILL GIVE BRAINLIEST IF CORRECT (NO LINKS)
Find the measure of arc BC.
Answer: A 129
Step-by-step explanation:
Because the 2 chords are the same (lines in the circle), the 2 arcs are the same create an equation that makes them equal
3x+24 = 4x -11 >bring x to one side by subtracting both sides by 3x
24 = x -11 > add both sides by 11
35 = x
Now that we have solved for x you need to plug that back into the equation for BC
BC= 4x-11
BC = 4(35) - 11
BC = 140 - 11
BC = 129 >A
HELPPP I GIVE BRAINLIEST FOR THIS ANSWER PLSSS
Answer:
Yes
Step-by-step explanation:
The lines in question have no degree angle to them. Don't let the line in the middle confuse you!
Hope this helps!
Fill in the missing value for the coordinate pair that lies on the graph of the function. y=52 (2,
The missing value for the coordinate pair that lies on the graph of the function. y=5^x (2, 25)
How to determine the missing values?The equation of the function is given as:
y = 5^x
And the x value is given as
x = 2
To determine the missing value, we start by substituting 2 for x in the function y = 5^x
So, we have:
y = 5^2
Evaluate the exponent
y = 25
So, the complete coordinate is (2, 25)
Hence, the missing value for the coordinate pair that lies on the graph of the function. y=5^x (2, 25)
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Find the equation of the line that passes through the point (-3,7) and is perpendicular to y= -2/3x-6Give your answer in slope-intercept form.
To determine the equation of a line we need to know at least two points the said line passes through or one point and its slope.
We know one point and the equation of a line perpendicular to the one we are looking for.
If two lines are perpendicular, then their slopes are negative reciprocals of each other. This means that the slope of the line we have to establish is the negative inverse of the slope of the line we know.
The given line is:
\(y=-\frac{2}{3}x-6\)Its slope is the coefficient that multiplies the x-value, so m=-2/3
To determine the slope of the perpendicular line you have to invert the fraction and multiply it by -1
\(m_2=-\frac{1}{m_1}=-(-\frac{3}{2})=\frac{3}{2}\)m₁ is the slope of the known line
m₂ is the slope of the perpendicular line
Now that we have determined the slope of the perpendicular line, we can use the point-slope form to calculate its equation
\(y-y_1=m(x-x_1)\)Where
m is the slope of the line
(x₁,y₁) are the coordinates of one point on the line
Using m=3/2 and the point (-3,7) the equation in point-slope form is
\(\begin{gathered} y-7=\frac{3}{2}(x-(-3)) \\ y-7=\frac{3}{2}(x+3) \end{gathered}\)To express the equation in the slope-intercept form you have to leave y on the right side of the equation and all other terms on the right side.
-First, distribute the multiplication on the parentheses term:
\(\begin{gathered} y-7=\frac{3}{2}\cdot x+\frac{3}{2}\cdot3) \\ y-7=\frac{3}{2}x+\frac{9}{2} \end{gathered}\)-Second, pass "-7" to the other side of the equation by applying the opposite operation to both sides of it and simplify the like terms:
\(\begin{gathered} y-7+7=\frac{3}{2}x+\frac{9}{2}+7 \\ y=\frac{3}{2}x+\frac{23}{2} \end{gathered}\)The equation of the line that passes through (-3,7) and is perpendicular to y=-2/3x-6 is
\(y=\frac{3}{2}x+\frac{23}{2}\)I’ll give brainliest
Answer:
A=115.6
Step-by-step explanation:
Hey There!
So the first step is to find the formula for area of a trapezoid
\(A = \frac{1}{2} h(b1 +b2)\)
h = height
b1 = base 1
b2 = base 2
now all we do its plug in the values
\(A=\frac{1}{2} 6.8(28.3+5.7)\)
\(6.8x26.3=192.44\\5.7x6.8=38.76\\38.76+192.44=231.2\\\frac{231.2}{2} =115.6\\A=115.6\)
Hope this helps!!
Given that A is true, B is true, and C is false, evaluate each of the following expressions. To grade your work, declare and initialize the three variables in Processing, then print the result of each expression below and compare it to your result. a. A \&\& !B b. B∥C c. 1 B==C d. A&&!C e. (B∥C)&&(!A) f. (A!=B)∥(B!=C)
The evaluation of the given Boolean expressions are:
a) A && !B = false b) B∥C = true
c) B==C = false d) A&&!C = true
e) (B∥C)&&(!A) = false f) (A!=B)∥(B!=C) = true
Information available in the problem:
A = true
B = true
C = true
a) Since A and B are both true, !B (which means "not B") is false. Therefore, A && !B evaluates to false, because the logical AND operator returns true only if both of its operands are true.
Hence,
A && !B = true && false = false
b) Since B is true, the result of B∥C will be true, regardless of the value of C. This is because the logical OR operator returns true if at least one of its operands is true.
Hence,
B∥C = true ∥ false = true
c) Since B is true and C is false, B and C have different values, and therefore B==C will evaluate to false. This is because the equality operator returns true only if its operands have the same value.
Hence,
B==C = true == false = false
d) Since A is true and !C (which means "not C") is true, A&&!C evaluates to true. This is because the logical AND operator returns true only if both of its operands are true.
Hence,
A&&!C = true && !false = true && true = true
e) Since B is true, the result of B∥C will be true, regardless of the value of C. This is because the logical OR operator returns true if at least one of its operands is true. Therefore, B∥C evaluates to true.
Since A is true and !A (which means "not A") is false, !A evaluates to false.
Therefore, (B∥C)&&(!A) evaluates to false, because the logical AND operator returns true only if both of its operands are true.
Hence,
(B∥C)&&(!A) = true && false = false
f) Since A is true and B is true, A!=B (which means "A is not equal to B") is false, because A and B have the same value.
Since B is true and C is false, B!=C (which means "B is not equal to C") is true, because B and C have different values.
Therefore, (A!=B)∥(B!=C) evaluates to true, because the logical OR operator returns true if at least one of its operands is true.
Hence,
(A!=B)∥(B!=C) = false ∥ true = true
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Calista was told that she had an average grade of an 82, but not told what she got on her 6th assignment. Calista knows that she got a 62, 88, 92, 74 and 78 on the other 5 assignments.
What was Calista's grade on her last assignment?
Calista's grade on her last assignment is 98.
To determine Calista's grade on her last assignment, we can calculate the average grade using the given information.
The sum of Calista's grades on the first five assignments is: 62 + 88 + 92 + 74 + 78 = 394.
Since the average grade is given as 82, we can find the total sum of all six assignments by multiplying the average grade by the number of assignments, which is 6: 82 * 6 = 492.
To find Calista's grade on her last assignment, we subtract the sum of her grades on the first five assignments from the total sum: 492 - 394 = 98.
To determine Calista's grade on her last assignment, we can calculate the average grade using the given information.
The sum of Calista's grades on the first five assignments is: 62 + 88 + 92 + 74 + 78 = 394.
Since the average grade is given as 82, we can find the total sum of all six assignments by multiplying the average grade by the number of assignments, which is 6: 82 * 6 = 492.
To find Calista's grade on her last assignment, we subtract the sum of her grades on the first five assignments from the total sum: 492 - 394 = 98.
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A shade of green paint is made by mixing blue paint and yellow paint in the ratio of 4 to 3. How many pints of blue paint and yellow
paint are needed to make 21 pints of the green paint?
Answer:
\(Blue = 12\)
\(Yellow = 9\)
Step-by-step explanation:
Given
\(Blue : Yellow = 4 : 3\)
Required
Determine the number of pints of each to make 21 of green paints
First, calculate the total ratio.
\(Total = 4 + 3\)
\(Total = 7\)
The blue and the yellow pint can be represented individually as:
\(Blue = \frac{4}{7} * Green\)
\(Yellow = \frac{3}{7} * Green\)
Number of blue paint calculated last week is:
\(Blue = \frac{4}{7} * 21\)
\(Blue = {4} * 3\)
\(Blue = 12\)
\(Yellow = \frac{3}{7} * Green\)
\(Yellow = \frac{3}{7} * 21\)
\(Yellow = {3} * 3\)
\(Yellow = 9\)
I spent 3/4 of my money, and then I spent 1/5 of what was left. What part of all my money do I have left.
Which of the following statements best describes the value of the expression 18x – 35, when x = 2?
A. The result is not a whole number.
B. The result is a prime number.
C. The result is a composite number.
D. The result is a whole number that is neither prime nor composite.
Answer:
D
Step-by-step explanation:
Let's plug 2 in for x:
18 * 2 - 35 = 36 - 35 = 1
Now, look at the answer choices:
A) Well, 1 is a whole number; it's not a fraction or a decimal. So eliminate A.
B) 1 is not a prime number; the smallest prime number is 2. So eliminate B.
C) 1 is also not a composite number; the smallest composite number is 4. So eliminate C.
D) This is true. 1 is a whole number, but it's not prime or composite, as seen above.
Thus, D is the answer.
~ an aesthetics lover
Answer:
D
Step-by-step explanation: The result is a whole number that is neither prime nor composite.
ASAP!!! Answer the following include all steps
Question 1:
(a) The equation representing Elaine's total parking cost is:
C = x * t
(b) So the cost of parking for a full 24 hours would be 24 times the cost per hour.
Question 2:
The given system of equations is inconsistent and has no solution.
(a) To represent Elaine's total parking cost, C, in dollars for t hours, we need to know the cost per hour. Let's assume the cost per hour is $x.
(b) If Elaine wants to park her car for a full 24 hours, we can substitute t = 24 into the equation from part (a):
C = x * 24
Question 2:
To solve the linear system:
-x - 6y = 5
x + y = 10
We can use the elimination method.
Multiply the second equation by -1 to create opposites of the x terms:
-x - 6y = 5
-x - y = -10
Add the two equations together to eliminate the x term:
(-x - 6y) + (-x - y) = 5 + (-10)
-2x - 7y = -5
Now we have a new equation:
-2x - 7y = -5
To check the answer, we can substitute the values of x and y back into the original equations:
From the second equation:
x + y = 10
Substituting y = 3 into the equation:
x + 3 = 10
x = 10 - 3
x = 7
Checking the first equation:
-x - 6y = 5
Substituting x = 7 and y = 3:
-(7) - 6(3) = 5
-7 - 18 = 5
-25 = 5
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Someone please help answer !
Choose the number that is closest to the mean of the distribution
The mean of the distribution is 3
What is arithmetic mean?Arithmetic mean is defined as the ratio of the sum of observations to the total number of observations. It can be referred to as the average of a specific set of data or the arithmetic mean. One of the basic methods used to acquire a result, the term "Mean" is commonly used in the field of statistics.
The formula for the mean of a given set of data is as follows:
Mean = Sum of Observations/Total number of observations
According to the first graph,
Given the bar of observations as :
0, 5, 6, 3, 1, 1, 3, 6, 4, 1
Here the Sum of Observations = 30
And the total number of observations = 10
The mean of the distribution = 30/10
The mean of the distribution = 3
According to the second graph,
Given the bar of observations as :
0, 1, 3, 3, 9, 0, 9, 4, 4, 1
Here the Sum of Observations = 34
And the total number of observations = 10
The mean of the distribution = 34/10
The mean of the distribution = 3.4
The mean of the distribution = 4 (closest)
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The perimeter of the figure is 18x +2. One side is 3x − 3. Find the length of the indicated side.
Answer:
Step-by-step explanation:
3000000000
I REALLY NEED HELP pls I didn’t study at all
Answer:
ok so the numbers are 21%, 3/20, 25.6%, 2.24, and .24 we are ordering from least to greatest
Step-by-step explanation: First we need to figure out what 3/20 is and its 0.15 so 3/20 comes first then 0.24 then 2.24 then 21% then 25.6%
answer the questions, please I will give you 10 points
solve the equation
log(x+9)-logx=3
a. 0.0090
b. 0.3103
c. 3.2222
d. 111
The logarithmic equation log(x+9)-logx=3 has a solution of x = 0.0090
Solving the logarithmic equationFrom the question, we have the following parameters that can be used in our computation:
log(x+9)-logx=3
Apply the quotient rule
So, we have
log((x + 9/x) = 3
Remove the logarithmic expression
So, we ave
(x + 9)/x = 10^3
Evaluate
(x + 9)/x = 1000
So, we have
1000x = x + 9
Subtract
999x = 9
So, we have
x = 0.0090
Hence, the solution is x = 0.0090
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At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.07 and the probability that the flight will be delayed is 0.18. The probability that it will not rain and the flight will leave on time is 0.8. What is the probability that it is raining if the flight has been delayed? Round your answer to the nearest thousandth.
The probability that it is raining if the flight has been delayed is 0.07, or 7%.
How to calculate the probabilityWe can use the following formula to calculate the probability that it is raining if the flight has been delayed:
P(Rain|Delayed) = P(Rain and Delayed) / P(Delayed)
We are given that P(Rain) = 0.07 and P(Delayed) = 0.18. We can also use the fact that P(Rain and Delayed) = P(Rain) * P(Delayed):
= 0.07 * 0.18
= 0.0126.
Substituting these values into the formula, we get:
P(Rain|Delayed) = 0.0126 / 0.18 = 0.07
Therefore, the probability that it is raining if the flight has been delayed is 0.07, or 7%.
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What is the leading coefficient of. Y=2x³ +5
Answer:
2
Step-by-step explanation:
the leading coefficient is the number in front of the variable with the largest exponent.
here, the largest exponent is 3 in 2x³ and the corresponding coefficient for that is 2
Write a formula for the nth term of the arithmetic sequence
1, -3, -7, - 11, - 15...
The formula for the nth term of the sequence is an
Answer:
Step-by-step explanation:
\(a_{1}=1\\d=-3-1=-4\\a_{n}=a_{1}+(n-1)d\\a_{n}=1+(n-1)(-4)\\a_{n}=1-4n+4\\a_{n}=5-4n\)
Find the missing side. 31° Z z = [?] Round to the nearest tenth. Remember: SOHCAHTOA 21
A²+B²= C²
31²+ 21²= z²
961+441 = z²
1402= z²
z= 37.443290454
Louis wants to carpet the rectangular basement. The basement has an area of 874 square feet. The width of the basement is 2/3 it’s length. What is the length?
Answer:
582.6
Step-by-step explanation:
2/3 x 874 = 582.6
Given that lines P & R are parallel, find the values of x and y.
Answer: Y = 17 and X = 43
Step-by-step explanation:
p and r are parallel meaning both angles are the same.
So
3y = 51
divide them by 3
y = 17
Now we take 51 from 180 and we get 129
129 divided by 3x is
x = 43
Construction workers are paving a road. The road must drop 4 cm for every 650 cm measured horizontally.
a) What is the slope of the road?
b) Suppose a section of the road drops 24.5 cm. How long is this section of the road measured horizontally?
Answer:
a)
slope = (-4 cm) / (650 cm)
slope ≈ -0.00615
b) the section of the road measured horizontally is approximately 3983.74 cm long.
Step-by-step explanation:
change in horizontal distance = (change in vertical distance) / slope
change in horizontal distance = (-24.5 cm) / (-0.00615)
change in horizontal distance ≈ 3983.74 cm