Answer:
14/3
Step-by-step explanation:
2/3x7/1
14/3
Answer:
4.6667
Step-by-step explanation:
:)
Hope this helps
which value of x makes this inequality true? x+9<4x
Answer:
Step-by-step explanation:
x+9
Let x, be 4
4+9=13
given condition,
x+9<4x
4+9<4(4)
13<16
The answer is:
x > 3Work/explanation:
Our inequality is:
\(\sf{x+9 < 4x}\)
Flip it
\(\sf{4x > x+9}\)
Solve
\(\sf{4x-x > 9}\)
Combine like terms
\(\sf{3x > 9}\)
Divide each side by 3
\(\sf{x > 3}\)
Hence, x > 3Find the measure of angle x
3x
45
Answer:
.3x = 45Divide 3 both sides.x = 15I dont understand Analyze and solve percent problems
Answer:
okay, well, is there any link u wanna post for us to help u? maybe we can explain it?
Step-by-step explanation:
help quick due in 10 minutes you will be reported if you spam Ivan is 75 inches tall if his brother Logan was 5 inches shorter, he would be exactly half Evan's height How tall is Logan? Enter your answer as a decimal in the box,
Answer:
42.5 inches
Step-by-step explanation:
Ivan is 75 inches tall, and Logan would be half his size, 37.5 that is, if he were 5 inches shorter. That means logan is 42.5 inches.
Answer:
Logan is 42.5 inches
Step-by-step explanation:
half of Ivan is 37.5
Logan is 5 inches taller than 37.5 so 42.5
Hope this helps!
Let me know if it does and if the answer is right
When five times a number is decreased by 8, the result is 7. What is the number?
The number is
Answer:
3
Step-by-step explanation:
5x - 8 = 7
5x = 7+8
5x = 15
x = 15 ÷ 5
x = 3
Which of the following tests does not include scales for assessing test taker response biases and faking?
a) MMPI-2
b) MCMI-III
c) MMPI-RF
d) Meyers-Briggs Type Indicator
The test that does not include scales for assessing test taker response biases and faking is D. Meyers-Briggs Type Indicator.
Want are the test about?A popular objective personality measure is the Millon Clinical Multiaxial Inventory—Third Edition (MCMI-III). The MCMI-III assesses the presence of psychological disorders, including personality disorders.
The MMPI-2 is a 567-item true/false self-report questionnaire that assesses a person's psychological state. It includes nine validity scales (or 'lie' scales) that assess lying, defensiveness, faking good, and faking bad, among other things.
The MMPI-2-RF provides accurate measurement of 40 dimensional constructs related to personality and psychopathology in the context of the new paradigm (with an additional nine scales measuring protocol validity, or the individual's test-taking approach).
The Myers-Briggs Type Indicator is an introspective self-report questionnaire used in personality typology to identify different psychological preferences in how people perceive the world and make decisions. Introversion/extraversion, sensing/intuition, thinking/feeling, and judging/perceiving are the four categories. Unlike others, this first use a scale.
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You have 2000 grams of substance A which has decay constant 0.03, and you have 3000 grams of substance B, which has decay constant 0.05. After how many years will the amounts of the two substances be equal?
Answer:
If you have a quantity X of a substance, with a decay constant r, then the equation that tells you the amount of substance that you have, at a time t, is:
C(t) = X*e^(-r*t)
Now, we know that:
We have 2000g of substance A, and it has a decay constant of 0.03 (i assume that is in 1/year because the question asks in years)
And we have 3000 grams of substance B, with a decay constant of 0.05.
Then the equations for both of them will be:
Ca = 2000g*e^(-0.03*t)
Cb = 3000g*e^(-0.05*t)
Where t is in years.
We want to find the value of t such that Ca = Cb.
So we need to solve:
2000g*e^(-0.03*t) = 3000g*e^(-0.05*t)
e^(-0.03*t) = (3/2)e^(-0.05*t)
e^(-0.03*t)/e^(-0.05*t) = 3/2
e^(t*(0.05 - 0.03)) = 3/2
e^(t*0.02) = 3/2
Now we can apply Ln(x) to both sides, and get:
Ln(e^(t*0.02)) = Ln(3/2)
t*0.02 = Ln(3/2)
t = Ln(3/2)/0.02 = 20.3
Then after 20.3 years, both substances will have the same mass.
For each pair of functions f, g below, find f(g(x)) and g(f(x))
Then, determine whether and are inverses of each other.
Simplify your answers as much as possible.
(Assume that your expressions are defined for all in the domain of the composition.
You do not have to indicate the domain.)
Answer:
See below
Step-by-step explanation:
Part A
\(f(g(x))=f(\frac{x}{3})=3(\frac{x}{3})=x\\g(f(x))=g(3x)=\frac{3x}{3}=x\)
Since BOTH \(f(g(x))=x\) and \(g(f(x))=x\), then \(f\) and \(g\) are inverses of each other
Part B
\(f(g(x))=f(\frac{x+1}{2})=2(\frac{x+1}{2})+1=x+1+1=x+2\\g(f(x))=g(2x+1)=\frac{(2x+1)+1}{2}=\frac{2x+2}{2}=x+1\)
Since BOTH \(f(g(x))\neq x\) and \(g(f(x))\neq x\), then \(f\) and \(g\) are NOT inverses of each other
Which equation written below in vertex form is
equivalent to the equation y=x²-6x+12?
y=(x-3)²
y=(x-6)² + 12
y= (x+3)² +3
y=(x-3)² +3
y=x²-6x+12
y=x²-6x-9+12
Which of the following choices describe the bases of a cylinder
A.Discs
B. congruent
C. Parallel
D. polygons
Answer:
A cylinder has parallel discs bases that are congruent in size.
Step-by-step explanation:
Answer:
A, C, D
Step-by-step explanation:
HELLPPPPPP PLEASEEEE!!!!!!!!!!!!!!!
Answer:
D: Both the slopes and the y-intercepts are the same.
Answer:
its the same
Step-by-step explanation:
the slope is -2 and the y-intercept is (0,3)
Swear no one answers but plz show work ?!
Acrylic bone cement is sometimes used in hip and knee replacements to secure an artificial joint in place. The force required to break an acrylic bone cement bond was measured for seven specimens, and the resulting mean and standard deviation were 306.07 newtons and 41.96 newtons, respectively. Assuming that it is reasonable to believe that breaking force has a distribution that is approximately normal, use a 95% confidence interval to estimate the mean breaking force for acrylic bone cement. (Round your answers to three decimal places.)
The required 95% confidence interval for the mean breaking force of acrylic bone cement is approximately 267.29 to 344.85 newtons.
Find the critical value (t*) for a 95% confidence level and (n - 1) degrees of freedom.
The degrees of freedom (df) is equal to the sample size minus 1 (df = 7 - 1 = 6). From a t-table or statistical software, the critical value for a 95% confidence level and df = 6 is approximately 2.447.
Calculate the standard error of the mean (SE).
The standard error of the mean is given by SE = (sample standard deviation) / sqrt(sample size).
\(SE =\dfrac{41.96}{\sqrt{7}}\)
≈ 15.85
Calculate the margin of error (MoE).
The margin of error is MoE = (t*) * SE.
MoE ≈ 2.447 * 15.85
≈ 38.78
Calculate the confidence interval.
The confidence interval is given by: Mean ± MoE.
Mean ± MoE ≈ 306.07 ± 38.78
Calculate the lower and upper bounds of the confidence interval.
Lower bound ≈ 306.07 - 38.78
= 267.29
Upper bound ≈ 306.07 + 38.78
= 344.85
Therefore, the 95% confidence interval for the mean breaking force of acrylic bone cement is approximately 267.29 to 344.85 newtons.
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parker spends 1/4 of his earnings on rent and 1/6 of his earnings on entertainment
Answer:
Cool
Step-by-step explanation:
Can sameone help me please
X intercept: (-2,0)
Y intercept: (0,5)
Have a wonderful and blessed day!
Answer:
The x-intercept is 2.
The y-intercept is 5.
Step-by-step explanation:
The x-intercept is basically finding what the value of x when y is 0; y-intercept is vise-versa.
The format it is currently in is not in y=mx+b form which makes you unable to put on a graph...HOWEVER, YOU ACTUALLY CAN!
You goal for these type of questions is to isolate y by itself.
\(-20x+8y=40\\8y=20x+40\\y=2.5x+5\)
Your equation has been converted into y=mx+b which now can be used to easily find the x and y intercepts.
You can either look at a graph and find the x and y intercepts or do it algebraically.
Since, "x-intercept is basically finding what the value of x when y is 0", we plug in y with 0.
Solve for X-Intercept:
\(0=2.5x+5\\-5=2.5x\\-2=x\)
X-Intercept is -2
Solve for Y-intercept:
\(y=2.5(0)+5\\y=5\)
Y-Intercept is 5
What is an equation of the line that passes through the points (2, -6) and (-1, 6)?
Answer: (Point-Slope) y+6=-1/4(x-2)
Step-by-step explanation:
1. Find slope (y2-y1)/(x2-x1) = -3/12 simplifies to -1/4
2. Point slope form: y-y1=m(x-x1)
Answer:
The equation is y= - 4x+2 .
Circle Project 1. Draw a point at (1, -2) 2. Draw an 8-unit long radius 3. Using a compass, Draw a circle with your point from step one as your center and the point from step two as the side. 4. Using a protractor, draw a 70 degree arc 5. Draw a central angle which intercepts your arc 6. Draw an inscribed angle which intercepts a 40 degree arc 7. Draw a tangent line 8. Draw a secant line 9. Write the equation of your circle.
Answer:
I can explain how to complete each of the steps you have provided.
1. Draw a point at (1, -2)
This is a simple step. Just mark a dot on your paper at the coordinates (1, -2).
2.
Draw an 8-unit long radius
Using your compass, set the radius to 8 units. Place the compass on the point you drew in step 1 and draw a circle around it, making sure that the radius is 8 units long.
3. Using a compass
Draw a circle with your point from step one as your center and the point from step two as the side: This step is already completed in step 2.
4. Using a protractor draw a 70 degree arc
Place your protractor on the center of the circle (the point you drew in step 1) and draw a 70 degree arc on the circle.
5. Draw a central angle which intercepts your arc
Use a straight edge to draw a line from the center of the circle to each endpoint of the arc you drew in step 4. This creates a central angle, which is an angle whose vertex is at the center of the circle and whose sides intercept the circle.
6. Draw an inscribed angle which intercepts a 40 degree arc
Use a straight edge to draw a line from one endpoint of the 70 degree arc to the other endpoint. Then, draw a perpendicular bisector of this line, which intersects the center of the circle. This creates a 40 degree arc on the circle. Draw a line from the center of the circle to one endpoint of the 40 degree arc, and draw a line from that endpoint to the other endpoint of the 40 degree arc. This creates an inscribed angle, which is an angle whose vertex is on the circle and whose sides intercept the circle.
7. Draw a tangent line
Choose a point on the circle that is not on the 70 degree arc. Draw a line from that point tangent to the circle.
8. Draw a secant line
Choose two points on the circle that are not on the 70 degree arc. Draw a line through those points, which intersects the circle at two points.
9. Equation of your circle
The equation of a circle with center (a,b) and radius r is (x-a)^2 + (y-b)^2 = r^2. Using the coordinates of the center from step 1 and the radius from step 2, the equation of the circle is (x-1)^2 + (y+2)^2 = 64.
please help this is due in half an hour
Answer:
Can you show the whole question?
Answer:
The other endpoint is (-1, 1).
Step-by-step explanation:
What we know is one endpoint is at (5, -9). The midpoint is at (2, -4).
So, to find the slope, find (yB - yA)/(xB - xA)
(-4 -(-9))/(2 - 5)
(-4 + 9)/(2 - 5)
5/-3
The slope is -5/3.
Knowing this, subtract 3 from the midpoint's x, and add 5 to the midpoint's y.
((2 - 3), (-4 + 5))
The other endpoint is at (-1, 1).
which is larger the number of meters in the Milky Way or the number of cells in all humans
Answer:
the number of meters in the milky way
Step-by-step explanation:
becuse the world is infinite
Find the distance between the points (4,-2), (4,-5)
\(\text{Given that,}\\\\(x_1,y_1) = (4,-2)~~ \text{and}~~ (x_2 ,y_2) = (4,-5)\\\\\text{Distance} = \sqrt{(x_2-x_1)^2 + (y_2 -y_1)^2}\\\\~~~~~~~~~~~~=\sqrt{(4-4)^2 + (-5+2)^2}\\\\~~~~~~~~~~~~=\sqrt{0^2+(-3)^2}\\\\~~~~~~~~~~~~=\sqrt{0+9}\\\\~~~~~~~~~~~~=\sqrt 9\\\\~~~~~~~~~~~~=3\)
CAN SOMEONE HELP ME PLEASE I NEED IT RIGHT NOW,
Answer:
Step-by-step explanation:
Reflection: the conceptual operation of inverting a system or event with respect to a plane, each element being transferred perpendicularly through the plane to a point the same distance the other side of it.
- the leaf
Rotation: The movement of something around anouther or clockwise/counter-clockwise (this one makes no since as an exsplination)
- Phone and the tire
Translation: The movement of something from one place to anouther
- the checker piece.
x+4+2x-7=180; x 4 2x 7 0; find the sum of (5y−12)+(−5y−1).; find the difference of (t−8)−(t+15).; x-2=-3x+6+2x; 7x -(1 + 9x); -3 + 5x = 4x - 10; −3(3x−1)=8(3−x)
value of x of the equations
x = 61
x = 4
x = -1/2
x = -7
x = -21
the sum of (5y−12)+(−5y−1) is -13
the difference of (t−8)−(t+15) is -23
given that
equations are
find the value of x
1)x+4+2x-7=180
2)x-2 = -3x+6+2x
3)7x = (1+9x)
4)-3+5x = 4x -10
5)-3(3x-1) = 8(3-x)
sum of (5y-12)+(-5y-1)
difference of (t-8)-(t+15)
value of x of the equations
1)x + 4 + 2x -7 = 180
3x - 3 = 180
3x = 183
x = 61
2)x-2 = -3x +6+2x
2x = 8
x = 4
3)7x = 1 + 9x
2x = -1
x = -1/2
4)-3 + 5x = 4x -10
x = -7
5)-3(3x - 1) = 8(3-x)
-9x +3 = 24 - 8x
x = -21
the sum of (5y−12)+(−5y−1)
=5y -12 -5y -1
= -13
difference of (t−8)−(t+15)
=t - 8 -t - 15
=-23
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How many paths are there from $A$ to $B,$ if you travel along the edges? You can travel along each edge at most once, but you can pass through the same point more than once. (You can pass through $B,$ as long as you end up at the point $B.$)
Answer:
9
Step-by-step explanation:
You don't need to pass through each edge once.
If we name the top vertex 1 and the bottom vertex 2 then here are the possible combinations:
A-1-B
A-B
A-2-B
A-1-B-A-2-B
A-2-B-A-1-B
A-B-1-A-2-B
A-B-2-A-1-B
A-1-B-2-A-B
A-2-B-1-A-B
Some people say 6 because they think you need to pass through all the edges. But the only restriction with travelling on the edges is you can't pass one twice. The point is read the wording and it becomes easy.
Hope this helps!
Jackie Revez purchased a new home in Riverside Park. The purchase price was $210,000, and she put down 30%. Her mortgage is 10 1/2% for 30 years. What is the outstanding balance of her loan after the first month? (Round your answer to the nearest cent.)
After the first month, there are $124,950 left on her loan.
What is the Percentage?The Latin term "per centum," which signifies "by the hundredth," was the source of the English word "percentage." Segments with a denominator of 100 are considered percentages. In other terms, it is a relationship where the worth of the entire is always considered to be 100.
As per the given data in the question,
The purchase price is $210,000.
Rebate = 30%
The percentage of mortgage is 10%.
Purchase price: $210,000
Deduction (0.30 × 210,000): (61,000)
147,000
Mortgage (21/200 × 210000) (22,050)
Outstanding balance $124,950
The balance that is still owed is the difference between the prior balance and the balance following repayments.
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Josiah downloads 44 songs including 16 songs by his favorite band.is the answer a terminating or repeating decimal
Answer:
repeating
Step-by-step explanation:
44÷16=2.44444444
Find the length of each side of an equilateral triangle with perimeter 51 centimeters.
TE
Answer:
17cm
Step-by-step explanation:
an equilateral triangle has all equal sides
if there are 3 sides you would divide 51 by 3
a=P 3=51 3=17cm
51/3=17
if all possible samples of size n are drawn from an infinite population with a mean of 36 and a standard deviation of 22, then the standard error of the sample mean equals 2 for samples of size:
Thus , it is False. As there is confidence level is not given, then cant calculate the sample size.
The standard deviation is what?The standard deviation in statistics is a measure of how widely spread a set of values can be or how much they can vary. A low standard deviation denotes that values are typically close to the mean of the collection, whereas a high standard deviation indicates that values are dispersed across a greater range.
Here,
The standard error of the sample mean is equal to 2 for samples of size n if all conceivable samples of that size are taken from a population with an infinite mean and standard deviation.
In the above statement confidence level is not given.
Thus , it is False. As there is confidence level is not given, then cant calculate the sample size.
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write each measure in radians and express the answer in terms of π 4. 315 degrees 5. -450 degrees
We have to write each measure in radians and in terms of π.
We will use the fact that a full circle is 360° and also 2π radians, so we will use it as a conversion factor.
We can convert 315° as:
\(315\degree\cdot\frac{2\pi}{360\degree}=\frac{315}{360}\cdot2\pi=\frac{7}{8}\cdot2\pi=\frac{7\pi}{4}\text{ }rad\)We can convert -450° as:
\(-450\degree\cdot\frac{2\pi}{360\degree}=\frac{-450}{360}\cdot2\pi=-\frac{5}{4}\cdot2\pi=\frac{-5\pi}{2}\text{ }rad\)Answer:
315° = 7π/4 rad
-450° = -5π/2 rad
In the triangle below, x=? Cm. Round to the nearest tenth.
Answer:
8.60cm
Step-by-step explanation:
a/sinA=b/sinB
15/sin90⁰=x/sin35⁰
cross multiply
15sin35⁰=xsin90⁰
8.6036=x
x=8.60cm
z = 3x + y solve for x
Answer:
x = (y-z)/3
Step-by-step explanation:
z = 3x + y
3x = z - y
x = (z - y)/3