Answer:
B
Step-by-step explanation:
Answer:
t = - 3
Step-by-step explanation:
Assuming you mean solve for t:
\(3t-2=-11\\\\3t-2+2=-11+2\\\\3t=-9\\\\\frac{3t=-9}{3}\\\\\boxed{t=-3}\)
Hope this helps.
Can anyone help ?!! I’m not good at math but if your willing to help, I can help on any social studies/history assignment.
Answer:
-2x-4y+5
Step-by-step explanation:
mental math simplify
Research conducted by Graeff (2003) suggests that when administering a survey, respondents who are asked questions in which they have little or no knowledge are likely to:
Research has shown that when administering a survey, respondents who are asked questions in which they have little or no knowledge are likely to respond with inaccurate or incomplete information.
This can happen due to several reasons, such as the respondents feeling embarrassed or ashamed of admitting their lack of knowledge, or simply guessing the answer to avoid appearing uninformed. Graeff's (2003) study highlights the importance of carefully designing survey questions to ensure that they are clear and easy to understand for all respondents, regardless of their level of knowledge on the topic. It is also important to provide respondents with options such as "I don't know" or "Not applicable" to encourage honest and accurate responses. Administering surveys can be a valuable tool for gathering information, but it is crucial to consider the limitations and potential biases that may arise. Conducting thorough research and using appropriate survey methods can help to ensure that the data collected is reliable and useful for making informed decisions.
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For a beverage, Lisa mixes cups of lemonade to cups of ice tea in a ratio of 2:5. Which of the following best describes the amount of lemonade to iced tea
Answer:
lemonade is 4:10 to ice or .4:1
Step-by-step explanation:
Assuming lemonade is 2 and tea is 5, you can use a table or multiply both reciprocals by 2 so 2x2 and 2x5 = 4:10. then if you want to see how much is in just once cup of tea divide by ten to each for the product of .4:1
Answer: For every 2 cups of lemonade, there are 5 cups of iced tea.
if the ratio is 2:5 then for every 2 cups of lemonade there are 5 cups of tea.
it is just another way of saying the ratio
Determine the third velocity component v such that all the components satisfy the continuity equation. The two components are as follows: u = 2xt-3xyz + 4xy w = 3x-5yzt+yz Also find the velocity and acceleration of a fluid particle at (1, 0, 1) at time, t= last digit.
The given velocity components are:
u = 2xt - 3xyz + 4xyw = 3x - 5yzt + yz
To satisfy the continuity equation, the third velocity component must be of the form
v = -ux - wy
Thus,v = -2xt + 3xyz - 4xy (from u)v = -3x + 5yz t - yz (from w)
The third velocity component
v = -2xt + 3xyz - 4xy - 3x + 5yz t - yz
= -2xt + 3xyz - 4xy - 3x + 5yz (t - 1)
The velocity of the fluid particle is given by,
v = (u, v, w) = (2t, -2t + 3z, 3 - 5zt + y)at (1, 0, 1) and t = 1 (last digit),v = (2, -2, -2)
The acceleration of the fluid particle is given by,
a = (at, av, aw)
= (∂u/∂t, ∂v/∂t, ∂w/∂t)at (1, 0, 1) and t = 1 (last digit),a = (2, 3, -5)
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Rural property was purchased by four people. if there is no mention of what each party has in the property, or how title is to be taken, how will the title be recorded
If there is no mention of what each party has in the property, or how title is to be taken, the title will be recorded as tenants in common.
What is rural property?Rural property is a term used to describe land and buildings located in rural or semi-rural areas, usually outside urban or suburban settings. Rural property often includes farms, ranches and other agricultural land, small towns, villages and other non-urban areas. Rural property also includes forests, clearings and recreational areas. Landowners often rely on land to support themselves and use it for a variety of purposes, including: Growing crops, raising livestock, selling timber, and providing recreational activities.
This means that each party owns the undivided interest in the property, but neither party has rights to any particular area of the property. Each party may transfer, sell, or mortgage ownership of real estate without the other party's consent, but each party is responsible for taxes, mortgage payments, and other costs associated with the real estate.
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What does
-$20 -$15 +$30 $2
Equal
Answer:
-3
Step-by-step explanation:
-20-15+30+2
-35+32
-3
He Brought 10 packages of AA and AAA batteries for a total of 72 batteries.
The AA batteries are sold in packages of 6, and the AAA batteries are sold in packages of 8. Write a system of equations that can be solved to find how many packages of each type of battery Dan bought. Remember to define your variables.
Please answer in full! Thank you
Answer:
4 packages of AA batteries
6 packages of AAA batteries.
Step-by-step explanation:
Let the number of packages of AA batteries bought be x
Let
the number of packages of AAA batteries bought be Y
He Brought 10 packages of AA and AAA
thus,
x+y = 10 equation 1
Given
The AA batteries are sold in packages of 6, it means one packet contains 6 batteries
Thus,
Total number of AA batteries in x packages = 6x
The AAA batteries are sold in packages of 8, it means one packet contains 8 batteries
Thus,
Total number of AAA batteries in y packages = 8y
Given total no. of batteries is 72
thus
6x + 8y = 72 equation 2
x+y = 10
y = 10-x ---using this in equation 2
6x + 8(10 - x) = 72
=> 6x + 80 - 8x = 72
=> -2x = 72-80 = -8
=> x = -8/-2 = 4
y = 10 -x = 10 -4 = 6
y = 6
Thus,
he bought 4 packages of AA batteries
6 packages of AAA batteries.
The meat shop is running a special: 3 KC Strips for $37.89. What is ty cost per KC Strip?
Find f
∘ g, g
∘ f,
and g
∘ g.
f(x) =
3
x − 9
, g(x) = x3 + 9
(a)
f
∘ g
(b)
g
∘ f
(c)
g
∘ g
The composition f ∘ g, g ∘ f, and g ∘ g are determined. In the given scenario, f(x) = 3x − 9 and g(x) = x³ + 9. The composition f ∘ g is calculated as 3(g(x)) − 9, g ∘ f is calculated as (f(x))³ + 9, and g ∘ g is calculated as (g(x))³ + 9.
To find f ∘ g, we substitute g(x) into f(x), resulting in f(g(x)) = f(x³ + 9) = 3(x³ + 9) − 9 = 3x³ + 27 − 9 = 3x³ + 18. This means f ∘ g(b) = 3b³ + 18.
For g ∘ f, we substitute f(x) into g(x), resulting in g(f(x)) = g(3x − 9) = (3x − 9)³ + 9. Expanding this expression, we get g ∘ f(c) = (3c − 9)³ + 9.
Finally, for g ∘ g, we substitute g(x) into itself, resulting in g(g(x)) = g(x³ + 9) = (x³ + 9)³ + 9. This yields the expression g ∘ g = (x³ + 9)³ + 9.
In summary, f ∘ g is 3x³ + 18, g ∘ f is (3c − 9)³ + 9, and g ∘ g is (x³ + 9)³ + 9.
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Solve the system using substitution:
y = -6x + 7
3x – 2y = 16
helppp
Answer:
x=-6 y=-1
Step-by-step explanation:
// Solve equation [2] for the variable y
[2] y = -x - 7
// Plug this in for variable y in equation [1]
[1] 3x - 2•(-x -7) = -16
[1] 5x = -30
// Solve equation [1] for the variable x
[1] 5x = - 30
[1] x = - 6
// By now we know this much :
x = -6
y = -x-7
// Use the x value to solve for y
y = -(-6)-7 = -1
Solution :
{x,y} = {-6,-1}
Answer: 1 .x=-1/6y+7/6 (2.x=2/3y+16/3
Step-by-step explanation:
Help asap!! This is a 40point assignment!!
Answer:
The same shape but aren't always the size. Corresponding angles must be congruent. Corresponding sides are proportional.
Step-by-step explanation:
Sketch A Graph Of The Function With ALL Of The Following Properties. The Graph Is Continuous For All X. The Graph Of Y = F(X) Is Concave Down Until X = 3, Then Concave Up After X = 3. F'(X) < 0 For X ≪ 3. F'(X) > 0 For X ≫ 3. What Can You Say About F'(3)?
The function has a local minimum at x = 3 as f'(3) is equal to 0.
To sketch a graph of the function with the given properties, we can start by plotting the point (3, f(3)). Since the graph is concave down until x = 3, we know that the curve will be bending downwards before this point. After x = 3, the graph is concave up, so the curve will be bending upwards.
Since f'(x) < 0 for x < 3, we know that the function is decreasing before x = 3.
After x = 3, f'(x) > 0, so the function is increasing.
We can also determine that f'(3) must be equal to 0, since the graph changes from decreasing to increasing at this point. This means that the function has a local minimum at x = 3.
Overall, the graph will look like a downward sloping curve until x = 3, where it will reach a local minimum, and then start to slope upwards. It will be continuous for all values of x.
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For which function is the average rate of change over the interval 1 < x < 5 greater than the average rate of change over the same interval for the function g(x) = 1. 8x2?
The function g(x) = 1. 8x2 greater than the average rate is k(x) = 2x^2
How to calculate average rate?
The average rate is a measure of how quickly a quantity changes over a specific period of time. It can be calculated by dividing the change in the quantity by the change in time. The formula for calculating the average rate is:
Average rate = (final value - initial value) / (final time - initial time)
Given a function y, the average rate of change S of y = f(x) in an interval (Xs, Xf) will be given by the following equation:
In this problem, we have that:
Interval (1,5), so
Then
S = f(5) - f(1)/4
All options are compared to g(x).
g(5) = 1.8*(5)^2 = 45
g(1) = 1.8*(1)^2 = 1.8
An average rate of change greater than 10.8.
D.=k(x) = 2x^2
k(5) = 2*(5)^2 = 50
k(1) = 2*(1)^2 = 2
Greater than 10.8, this is the answer.
Hence, The function g(x) = 1. 8x2 greater than the average rate is k(x) = 2x^2
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which of the following numbers are written in scientific notation?
0.641 x 10^3
2 x 10^1
9.999 x 10^4
4.38 x 5^10
Answer:
2 x 10^1
9.999 x 10^4
Step-by-step explanation:
when using scientific notation
M x 10^X
M has to be between 1(inclusive) and 10
and has to be multiplied by ten to the power of x
Answer:
2 x 10^1
9.999 x 10^4
Step-by-step explanation:
For a number to be written in Scientific Notation, it has to abide to 2 rules:
1) It has to be within 1 and 10.
2) It has to be multiplied by ten to the power of a number(x)
Ex:
1.473 x 10^7 is written in Scientific Notation
6.9 x 17^3 is not written in Scientific Notation
0.372 x 10^39 is not written in Scientific Notation
This all means that 4.38 x 5^10 and 0.641 x 10^3 are not written scientific notation, as they do not abide to all the rules of the equation to be written in Scientific Notation, meanwhile 2 x 10^1 and 9.999 x 10^4 are written in Scientific Notation, as they abide to all rules of an equation to be written in Scientific Notation.
in a poll conducted by a certain research center, 1046 adults were called after their telephone numbers were randomly generated by a computer, and were able to correctly identify the
In a poll conducted by a certain research center, 1046 adults were called after their telephone numbers were randomly generated by a computer, and were able to correctly identify the random sampling.
Each sample has an equal chance of being chosen as part of the sampling technique known as random sampling. A randomly selected sample is intended to be a fair representation of the entire population.
In statistics, a simple random sample is a subset of people chosen at random from a larger group, all of whom were chosen with the same probability. It is a procedure for randomly choosing a sample.
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help me pleaseeeeeeeeeeeeeeeeeeeee
8. Dagne measures and finds that she can do a vertical jump that is 27.5% of her height. If Dagne can jump 13.2 inches, how tall, in inches, is she
36.3 inches the tall is she in.
Given that;
Percentage of vertical jump height = 27.5%
Dagne's height = 13.2 inches
We need to find:
Height of jump
We know that the formula for Computation:
Height of jump = Percentage of vertical jump height × Dagne's height
so,
Height of jump = 13.2 × 27.5
That equals to
Height of jump = 36.3 inches
Hence the answer is 36.3 inches the tall is she in.
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The sixth-grade talent show is next week. Each year, every performance is allotted the same amount of time. Last year, there were 10 performances, and the show lasted 60 minutes. This year, there are 15 performances. How long will this year's talent show last
Answer:
90 Minutes
Step-by-step explanation:
We are told in the question:
Each year, every performance is allotted the same amount of time.
Last year, there were 10 performances, and the show lasted 60 minutes.
This year, there are 15 performances.
Therefore,
10 performances = 60 minutes
15 performances = x minutes
Cross Multiply
10 × x = 60 × 15
x = 60 × 15/10
x = 90 minutes
This year's talent show will last 90 minutes
Answer:
90 I copied it from the other guy sorry i made sure it was right though
Step-by-step explanation:
Help!! I suck at math and I’m failing
Answer:
It's very difficult
maby
An investment firm invested in two companies last year. They invested \$7000 in Company A and made a profit of 13%. They invested \$13,000 in Company B and made a profit of 18%. Answer the questions below. Do not do any rounding . (a) What was the investment firm's total profit? (b) What was the percent profit for their total investment?
Answer:
a) $3250
b) 31%
Step-by-step explanation:
a) 910 + 2340 = $3250
b) 18 + 13% = 31%
Why would you have more confidence in a prediction based on a correlation of -0.75 than on based on a correlation of 0.50?
When evaluating the confidence in a prediction based on correlation, the magnitude or absolute value of the correlation coefficient is an essential factor to consider.
In this case, a correlation of -0.75 indicates a strong negative relationship between the variables, while a correlation of 0.50 represents a moderate positive relationship.
Here's why you might have more confidence in a prediction based on a correlation of -0.75 than on a correlation of 0.50:
Stronger relationship: A correlation of -0.75 suggests a stronger linear relationship between the variables compared to a correlation of 0.50. This indicates that the variables are more consistently related and tend to move in opposite directions.
A stronger relationship implies that the prediction based on this correlation is more reliable and less likely to be due to chance.
Higher predictability: With a correlation of -0.75, there is a higher predictability or explanatory power in the data. The negative correlation suggests that as one variable increases, the other variable tends to decrease.
Consistency in data: The negative correlation (-0.75) indicates a more consistent and reliable pattern in the data compared to the moderate positive correlation (0.50).
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PLEASE HELP
Choose the correct conic section to fit the equation.
X^2/16-y^2/4=1
1.Circle
2.Ellipse
3. Parabola
4. Hyperbola
Answer:
2.Ellipse
Step-by-step explanation:
The given equation represents an ellipse.
Standard form of ellipse is given as:
\( \frac{x^2}{a^2} +\frac{y^2}{b^2} = 1\\\\
\implies \frac{x^2}{16} - \frac{y^2}{4} = 1\\\)
What is the slope of the line on the graph
Answer:
Slope = (6/1) or 6
Step-by-step explanation:
(0, -1), (1, 5)
(x₁, y₁) (x₂, y₂)
y₂ - y₁ 5 - (-1) 5 + 1 6
m = ------------- = ------------- = ---------- = -------
x₂ - x₁ 1 - 0 1 1
y - y₁ = m(x - x₁)
y - (-1) = 6(x - 0)
y + 1 = 6x - 0
-1 -1
-----------------------
y = 6x - 1
I hope this helps!
Find the area of each shaded sector. round to the hundredths place.
To find the area of each shaded sector and round to the hundredths place, I'll need some more information, such as the radius of the circle and the measure of the central angle of the sector. Please provide these details so I can assist you with the calculation.
The area of the shaded sector is 1330.81 ft²
Given, ∠GKH = 26° and ∠JKI = 90°
The area that is not shaded has a total of 90° + 26° = 116°.
A circle has a total angle of 360°, so the area that is shaded must be
360° - 116° = 244°
Given, HK = 25 ft
Radius of circle = 25 ft
We know that the formula for the area of the sector of a circle is
Area = \(\frac{\pi \theta r^2}{360^\circ}\)
= (π × 244 × (25)² )/ 360
= 7625π/18
= 1330.81 ft²
Hence, the area of the shaded sector is 1330.81 ft²
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Given question is incomplete, the complete question is below
Find the area of each shaded sector. round to the hundredths place.
the width of rectangle is 2w, and the length is (w+5). the perimeter is 40 inches. what are the measurements of the rectangle?
Width = 2w , Length = w+5 , perimeter = 40
Perimeter of rectangle = 2 (Length + Width)
P= 2 (L + w)
40 = 2 [ (w+5) + (2w) ]
40 = 2 ( 3w+5)
40= 6w +10
6w= 40 – 10
6w= 30
w = 30/6
w = 5
Width = 2w = 2(5) = 10
Length = w + 5 = 5+5 = 10
I hope I helped you^_^
Please help me solve this, will mark as brainliest!!!
Answer:
\(-2 (x-1)^2 + 5\)
5 units up
1 unit right
Reflection : yes
Stretch
Shrink
real numbers x and y are chosen independently and uniformly at random from the interval [0,1]. which of the following numbers is closest to the probability that x,y, and 1 are the side lengths of an obtuse triangle?
The answer is (D) 0.25. To form an obtuse triangle using side lengths x, y, and 1, the largest side must be less than the sum of the other two sides.
Without loss of generality, assume that x ≤ y. Then, the largest side is 1, and the triangle is obtuse if and only if x² + y² < 1². This defines a circle with radius 1 centered at the origin in the xy-plane.
The region of the unit square [0,1] x [0,1] where x² + y² < 1² corresponds to the area inside this circle. This area can be computed as π/4.
Therefore, the probability that x, y, and 1 are the side lengths of an obtuse triangle is the ratio of the area of the circle to the area of the unit square, which is π/4 / 1 = 0.7854. The answer closest to this value is 0.25.
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suppose a frequency distribution has the following consecutive classes: $20 up to $30 $30 up to $40 $40 up to $50 what is the class midpoint for the first class?
Answer:25
Step-by-step explanation:
vanessa tried to prove that \triangle klm\cong \triangle mnk△klm≅△mnktriangle, k, l, m, \cong, triangle, m, n, k. statement reason 1 \overline{kl}\cong\overline{mn} kl ≅ mn start overline, k, l, end overline, \cong, start overline, m, n, end overline given 2 \overline{lm}\cong\overline{nk} lm ≅ nk start overline, l, m, end overline, \cong, start overline, n, k, end overline given 3 \triangle klm\cong \triangle mnk△klm≅△mnktriangle, k, l, m, \cong, triangle, m, n, k side-side-side congruence what is the first error vanessa made in her proof? choose 1 answer: choose 1 answer:
What is the first error Vanessa made in her proof: B. Vanessa only established some of the necessary conditions for a congruence criterion.
What are the properties of similar triangles?In Mathematics and Geometry, two triangles are said to be similar when the ratio of their corresponding side lengths are equal and their corresponding angles are congruent.
Additionally, the lengths of three (3) pairs of corresponding sides or corresponding side lengths are proportional to the lengths of corresponding altitudes when two (2) triangles are similar.
Based on the reflexive property of equality, we can logically deduce the following congruent and similar triangles:
KM ≅ KM
ΔKLM ≅ ΔMNK (SSS similarity theorem).
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
PLZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP ME I DO ANYTHING JUST HELP *95 POINTS) PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ ALSO SHOW YOUR WORK
1 ) Use the expression below to answer parts (a) and (b)
5x-3x-4y+ 1/3 (6x-12y)
a) Simplify the expression by combining like terms. (SHOW YOUR WORK.)
QUESTION B IS A IMAGE
C .In the space below PROVE how you know your expressions are equivalent to the original expression.
Answer:
54x-87y=648y=x
Step-by-step explanation:
hope this helped