Answer:
17, 19, 21
Step-by-step explanation:
x = first number
x+2 = second number
x+4 = third number
4x + 3(x+2) + 2(x+4) = 167
simplify:
4x + 3x + 6 + 2x + 8 = 167
combine like terms:
9x + 14 = 167
subtract 14 from each side of the equation:
9x = 153
divide both sides by 9:
x = 17
75 points
Which statement is true about the relationship between the amount of plant food remaining and the number of days?
A. This relationship is not a function because only one amount of plant food remains each day.
B. This relationship is a function because only one amount of plant food remains each day.
C. This relationship is not a function because more than one amount of plant food remains each day.
D. This relationship is a function because more than one amount of plant food remains each day.
Answer:
Step-by-step explanation:
it is A/ this relationship is not a function because only one amount of plant food remains each day.
Answer:
it is A/ this relationship is not a function because only one amount of plant food remains each day.
Step-by-step explanation:
5 2/3 times 3/4 A:3 11/12 B:4 1/12 C:4 4/12 D:5 1/12
Answer:
the answer to that question is A:3
Answer:
\(4 \frac{1}{4} \)
Step-by-step explanation:
\(5 \frac{2}{3} \times \frac{3}{4} \\ \frac{17}{3} \times \frac{3}{4} \\ 17 \times \frac{1}{4} \)
\( \boxed{Answer{\boxed{\green{= \frac{17}{4} = 4 \frac{1}{4} }}}}\)
Jared buys 2.4 pounds of broccoli for 3.24 dollars. Which equation could Jared use to find c, the cost of each broccoli
Answer:
3.24/2.4=c
Step-by-step explanation:
division
Vibrations of harmonic motion can be represented in a vectorial form. Analyze the values of displacement, velocity, and acceleration if the amplitude, A=2+T, angular velocity, ω=4+U rad/s and time, t=1 s. The values of T and U depend on the respective 5th and 6th digits of your matric number. For example, if your matric number is AD201414, it gives the value of T=1 and U=4.
The values of displacement, velocity, and acceleration are 2.68 m, 2.24 m/s, and -18.07 m/s2 respectively.
We know that the amplitude, A = 2 + T; the angular velocity, ω = 4 + U rad/s; and time, t = 1s. Here, the value of T = 1 and the value of U = 4 (as mentioned in the question).
Harmonic motion is a motion that repeats itself after a certain period of time.
Harmonic motion is caused by the restoring force that is proportional to the displacement from equilibrium.
The three types of harmonic motions are as follows: Free harmonic motion: When an object is set to oscillate, and there is no external force acting on it, the motion is known as free harmonic motion.
Damped harmonic motion: When an external force is acting on a system, and that force opposes the system's motion, it is called damped harmonic motion.
Forced harmonic motion: When an external periodic force is applied to a system, it is known as forced harmonic motion.Vectorial formVibrations of harmonic motion can be represented in a vectorial form.
A simple harmonic motion is a projection of uniform circular motion in a straight line.
The displacement, velocity, and acceleration of a particle in simple harmonic motion are all vector quantities, and their magnitudes and directions can be determined using a coordinate system.
Let's now calculate the values of displacement, velocity, and acceleration.
Displacement, s = A sin (ωt)
Here, A = 2 + 1 = 3 (since T = 1)and, ω = 4 + 4 = 8 (since U = 4)
So, s = 3 sin (8 x 1) = 2.68 m (approx)
Velocity, v = Aω cos(ωt)
Here, v = 3 x 8 cos (8 x 1) = 2.24 m/s (approx)
Acceleration, a = -Aω2 sin(ωt)
Here, a = -3 x 82 sin(8 x 1) = -18.07 m/s2 (approx)
Thus, the values of displacement, velocity, and acceleration are 2.68 m, 2.24 m/s, and -18.07 m/s2 respectively.
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I need an answer plsss :(!!!
Answer:
Its A
Step-by-step explanation:
common sence
I need help with angles!!!
Answer:
DB...hope I helped!
Step-by-step explanation:
Since m1+m2=180 and m1=76, then m2=104
m2=m4, so m4 is also 104
m3=m1, so it is 76
Hope I helped!
Andres drew a circle with the center at (3,5) and a diameter of 6 units. The circle is translated 5 units to the left and 4 units down. which of the coordinates is NOT on the circumference of the translated circle?
F.(-5,1)
G.(-2,-2)
H.(-4,-3)
J.(-2,-4)
Answer:
J.) (-2,-4)
Step-by-step explanation:
a 57-inch pipe is cut into two pieces. One piece is two times the length of the other. Find the length of the shorter piece
It is divided into two sections, a 57-inch piece. The length of one component is double that of the other. The length of the shortest piece wound be 29.
Given that,
It is divided into two sections, a 57-inch pipe. The length of one component is double that of the other.
We have to calculate the shorter piece's length.
Let us take the length of shortest piece as x
The length of longest piece wound be 2x
We can write as,
x+2x=57
3x=57
x=57/3
x=29
The length of largest piece will be 2×29=58
Therefore, The length of the shortest piece wound be 29.
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A quadratic function models the graph of a parabola. The quadratic functions, y=x and y=x² +3, are modeled in the
graphs of the parabolas shown below.
-10-9-8-76
y M
10
-2-1
0
8
40
6
-7
-8
9
-10-
y=x²+3
y=x²
。
Determine which situations best represent the scenario shown in the graph of the quadratic functions, y=x² and y=x²
+3. Select all that apply.
The situations that best represent the scenario shown in the graph of the quadratic functions, y = x² and y = x² + 3 include the following:
B. "From x = -2 to x = 0, the average rate of change for both functions is negative."
C. "For the quadratic function, y = x² + 3, the coordinate (2, 7) is a solution to the equation of the function."
D. "The quadratic function, y = x², has an x-intercept at the origin."
What is the x-intercept?In Mathematics, the x-intercept of the graph of any function simply refers to the point at which the graph of a function crosses or touches the x-coordinate (x-axis) and the y-value or value of "y" is equal to zero (0).
In this context, we can logically deduce that the x-intercepts of the graph of the given equation y = x² is at the origin:
x = (0, 0)
For the the coordinate (2, 7), we would evaluate the quadratic function, y = x² + 3 as follows;
7 = 2² + 3
7 = 4 + 3
7 = 7 (True).
By critically observing the graph of both functions, we can logically deduce that their average rate of change is negative from x = -2 to x = 0.
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A small publishing company is planning to publish a new book. The production costs will include one-time fixed costs (such as editing) and variable costs (such as printing). The one-time fixed costs will be $12 per book. The publisher will sell the finished product to bookstores at a price of $18.50 per book. How many books must the publisher produce and sell so that the production costs will equal the money from sales?
The publisher must produce and sell at least 120 books to cover the production costs.
Let's denote the number of books the publisher must produce and sell as 'x'.
The fixed costs per book are $12. Therefore, the total fixed costs for 'x' books will be 12x.
The selling price per book is $18.50. Therefore, the total revenue from selling 'x' books will be 18.50x.
To break even, the production costs must equal the revenue, so we can set up the equation:
12x = 18.50x
Simplifying the equation, we have:
18.50x - 12x = 0
6.50x = 0
Dividing both sides of the equation by 6.50, we get:
x = 0/6.50
x = 0
This implies that the publisher needs to produce and sell at least 0 books to cover the production costs. However, this is not a realistic solution as the publisher must sell some books to generate revenue.
Therefore, we need to consider the next possible integer value for 'x', which is 1. Calculating the costs and revenue for 1 book:
Fixed costs = $12 * 1 = $12
Revenue = $18.50 * 1 = $18.50
Since the revenue ($18.50) is greater than the fixed costs ($12), the publisher would make a profit by selling 1 book.
Hence, the publisher must produce and sell at least 1 book to cover the production costs.
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2)
What is the slope of the line defined by the equation y = -3x + 2?
A)
-3
B)
-3/2
C)
2
D)
3
Jason and Abby finished a meal at a fancy restaurant and their bill was $136.89. They wanted to give the waiter a 20% tip. How much is the tip? _____ (remember to round to the nearest hundredth.) How much is their total bill, including the tip? _____
what is the measure of an angle if the measures of its two adjacent supplementary angles at up to 100?
The measure of an angle if the measures of its two adjacent supplementary angles at up to 100 is 130.
Define angle.An angle is a figure in plane geometry that is created by two rays or lines that have a shared endpoint. The Latin word "angulus," which meaning "corner," is the source of the English term "angle." The shared terminus of two rays is known as the vertex, and the two rays are referred to as sides of an angle.
Given,
The measures of its two adjacent supplementary angles at up to 100.
We are aware of:
x + y = 180°
x + z = 180°
y + z = 100°
Combining the first two equations:
2x + y + z + 360° For the product of y + Z, substitute 100°.
Since 2x + 100° = 360°, both sides must be reduced by 100°.
Divide both sides by 2 to get 2x = 260°.
x = 130° .
The measure of an angle if the measures of its two adjacent supplementary angles at up to 100 is 130.
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Determine if the lower bound theorem identifies -2 as a lower bound for the real zeros of f(x). 56)=x +17x² +11x+23 Part: 0/2 Part 1 of 2 (a) The upper bound theorem (Choose one) 3 as an upper bound for the real zeros of (x). X
The answer is the lower bound theorem identifies -2 as a lower bound for the real zeros of f(x). The upper bound theorem does not specify any upper bound for the real zeros of (x)
The Lower bound theorem states that "If the terms of a polynomial are arranged in descending order of their degrees, then the absolute value of the quotient of the constant term and the coefficient of the term of the highest degree gives a lower bound for the absolute value of its zeros." Let's examine whether the lower bound theorem identifies -2 as a lower bound for the real zeros of f(x) and whether 3 is an upper bound for the real zeros of (x).
As f(x) = 56 = x + 17x² + 11x + 23Since f(x) is not arranged in descending order of their degrees, we have to rearrange it as follows. 17x² + 11x + x + 23 + 56 = 17x² + 12x + 79 on rearranging the equation we have: 17x² + 12x + 79 = 0Hence the constant term is 79 and the coefficient of the term of the highest degree is 17. Thus, using the lower bound theorem, we can evaluate that a lower bound for the absolute value of the zeros of the polynomial is 79/17 ≈ 4.65 Since -2 is less than the calculated lower bound of 4.65, it is indeed a lower bound for the real zeros of f(x). Now, for (x), the constant term is 0, and the coefficient of the term of the highest degree is 1. Thus, using the upper bound theorem, we can evaluate that an upper bound for the absolute value of the zeros of the polynomial is 1/0, which is equal to infinity. Since infinity is not a number, 3 cannot be an upper bound for the real zeros of (x).
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Dracula needs to mix 4 quarts of liquid iced tea concentrate with 5.5
quarts of water to make iced tea. He wants to make 66.5 quarts of
iced tea. How much iced tea concentrate will he need?
What is the surface area?
5 ft
4 ft
5 ft
8 ft
6 ft
square feet
The surface area of the triangular prism is 152 sq, ft.
What is triangular prism?A triangular prism is a three-dimensional (3D) object having two identical triangle-shaped faces joined by three rectangular faces. The bases are the triangle faces, while the lateral faces are the rectangular faces. The top and bottom (faces) of the prism are other names for the bases.
The surface area of the triangular prism is given as:
SA = bh + (b1 + b2 + b3)l
Here, b = 6, h = 4, b1 = b2 = 5, b3 = 6 and l = 8.
Substituting the values we have:
SA = (6)(4) + (5 + 5 + 6) (8)
SA = 24 + (16)(8)
SA = 152 sq. ft.
Hence, the surface area of the triangular prism is 152 sq, ft.
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PQR ~MNO. What is the length of side QR?
The length of the QR is 16 cm when PQR ~MNO
In the given question, it is given that two similar triangles as PQR ~MNO
Then, the corresponding sides will be in equal proportion to each other as follows
PQ / MN = PR / MO = QR / NO
We need to find the length of the side QR
As above relations are given,
\(\frac{PQ}{MN}\) = \(\frac{PR}{MO}\) = \(\frac{QR}{NO}\)
\(\frac{30}{10}\) = \(\frac{5x + 7}{x+5}\) = \(\frac{4x}{\frac{16}{3} }\)
Equating all the fractions, equal to each we'll find
\(\frac{5x + 7}{x+5}\) = \(\frac{30}{10}\)
5x + 7 = 3(x +5)
5x + 7 = 3x + 15
2x = 8
x = 4
We know that, the length of the QR = 4x cm = 4 x 4 cm = 16 cm
Therefore, the length of the QR is 16 cm when PQR ~MNO
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An online furniture store sells chairs for $200 each and tables for $700 each. Every
day, the store can ship no more than 18 pieces of furniture and must sell at least
$7600 worth of chairs and tables. If 6 chairs were sold, determine all possible values
for the number of tables that the store must sell in order to meet the requirements.
Your answer should be a comma separated list of values. If there are no possible
solutions, submit an empty answer.
The possible values for the number of tables that the store must sell in order to meet the requirements are 9 and 10.
Let's solve the problem step by step:
The price of each chair is $200, and if 6 chairs were sold, the total value of chairs sold is 6 \(\times\) $200 = $1200.
The store must sell at least $7600 worth of chairs and tables combined. Since we have already sold $1200 worth of chairs, the remaining amount to be sold is $7600 - $1200 = $6400.
The price of each table is $700. To find the possible values for the number of tables, we divide the remaining amount by the price of each table: $6400 / $700 ≈ 9.1428.
Since the number of tables must be a whole number, the possible values for the number of tables are 9 and 10.
Therefore, the possible values for the number of tables that the store must sell in order to meet the requirements are 9 and 10.
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2. An isosceles right triangle whose legs are 6 is rotated about one of its legs to generate a
right circular cone What is the volume of that cone?
Answer:
72π
Step-by-step explanation:
The computation of the volume of the cone is shown below:
Here The radius of the base is one of the legs, therefore it is 6.
And, The height of the cone represent the other leg, therefore it is also 6.
Now as we know that
The volume of the cone is
= 1 ÷ 3 πr^2h
= 1 ÷ 3π 6^2 6
= π × 36 × 2
= 72π
Ashley collected 25 responses to a survey and used a two-tailed test to establish a significance level of 0.02 and calculate a 98% confidence interval. Using the t-table (located in the tutorial), what is the critical t-value used for calculating a 98% confidence interval with 24 degrees of freedom? Answer choices are rounded to the thousandths place.
a.) 1.699
b.) 2.045
c.) 2.492
d.) 1.311
2.492 is the critical t-value used for calculating a 98% confidence interval with 24 degrees of freedom.
What is meant by 5 degree of freedom?The number of degrees of freedom is equal to the number of sample data that can change, and this number is used to determine the sample data mean. For instance, there are five degrees of freedom in the example presented below. This implies that each of the five data points is equally free to change.
It should be noted that a t-table must be used to look up the value in the t-distribution in order to determine the crucial t-value for a 98% confidence interval with 24 degrees of freedom.
When the sample size is small and the population standard deviation is unknown, the t-distribution is a probability distribution that can be used to calculate population parameters.
The critical t-value for a two-tailed test is the value that the test statistic exceeds with a probability of 0.02 in each tail of the distribution. The essential t-value in this case is 2.492. The right answer is C.
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Evaluate the following expression at x =-7 and y = - 6
-4x + 8y - 2
Step-by-step explanation:
this is the solution of your question
Use the graph of the sine function y = 2 sin θ shown below.
a. How many cycles occur in the graph?
b. Find the period of the graph.
c. Find the amplitude of the graph.
a. There are 2 cycles in the graph.
b. The period of the graph is 360 degrees.
c. The amplitude of the graph is 2.
a. To determine the number of cycles in the graph, we need to count the number of complete repetitions of the pattern. In this case, there are 2 complete repetitions, so there are 2 cycles.
b. The period of a sine graph is the distance it takes to complete one full cycle. In this graph, one full cycle is completed in 360 degrees, so the period is 360 degrees.
c. The amplitude of a sine graph is the distance from the midline to the maximum or minimum point of the graph. In this case, the amplitude is 2 units. y = 2 sin θ.
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What is the volume of the cube below?
Answer:
B
Step-by-step explanation:
Answer:
x^3
Step-by-step explanation:
Convert the rectangle coordinates to polar coordinates where r > 0
and 0 ≤ 2 . and Convert the polar coordinates to rectangular coordinates.
please list steps on how to solve so I can solve these in the future
Answer:
(1) - C, \((3,\frac{\pi}{6})\)
(2) - B, \((0,-2)\)
Step-by-step explanation:
\(\text{Using the following conversions:}\\\boxed{\left\begin{array}{ccc}\text{\underline{Rect. to Polar:}}\\(x,y)\rightarrow(r, \theta)\\\\r=\sqrt{x^2+y^2}\\\\\theta=\tan^{-1}(\frac{y}{x})\end{array}\right} \ \ \boxed{\left\begin{array}{ccc}\text{\underline{Polar to Rect.:}}\\(r, \theta)\rightarrow(x,y)\\\\x=r\cos \theta\\\\y=r \sin\theta\end{array}\right}\)
Note that when doing these calculations, make sure your calculator is in radians mode.
Question #2:
Given:
\((\frac{3\sqrt{3} }{2} ,\frac{3}{2} ) \ \text{in} \ (x,y)\)
\((\frac{3\sqrt{3} }{2} ,\frac{3}{2} )\\\\\Rightarrow r=\sqrt{(\frac{2\sqrt{2} }{2})^2+(\frac{3}{2})^2} \\\\\Longrightarrow r=\sqrt{\frac{27}{4} +\frac{9}{4} } \\\\\Longrightarrow r=\sqrt{9}\\\\\therefore \boxed{ r=3}\\\\\Rightarrow \theta=\tan^{-1}(\frac{\frac{3}{2}}{\frac{3\sqrt{3} }{2}})\\\\\Longrightarrow \theta=\tan^{-1}(\frac{\sqrt{3} }{3})\\\therefore \boxed{\theta=\frac{\pi}{6} }\)
Thus, the correct option is C.
\(\boxed{\boxed{(3,\frac{\pi}{6})}}\)
Question #3:
Given:
\((2,\frac{3\pi}{2} ) \ \text{in} \ (r,\theta)\)
\((2,\frac{3\pi}{2} ) \\\\\Rightarrow x=(2)\cos(\frac{3\pi}{2})\\\\\Longrightarrow x=(2)(0)\\\\\therefore \boxed{x=0}\\\\\Rightarrow y=(2)\sin(\frac{3\pi}{2})\\\\Longrightarrow y=(2)(-1)\\\\\therefore \boxed{y=-2}\)
Thus, the correct option is B.
\(\boxed{\boxed{(0,-2)}}\)
ASAP brainiest???????
Answer:
the answer is the second option
Determine the value for x and y
I’ll give brainliest pls help
Answer:
x = 10 and
\(y = 2 \sqrt{29} \)
Step-by-step explanation:
see the explanation in attachment.
How many gallons of gas do the Williams family need?
A.34 gallons
B.21 gallons
C.22 gallons
D.23 gallons
Solving multi-step equations
1. Circle the ____________.
2. Use the __________ property when numbers are in front of parenthesis.
3. Combine _________ terms.
Same side means ______ operation.
Opposite side means _______________ operation.
Answer:
Circle the variable.
Use the distributive property when numbers are in front of parentheses.
Combine like terms.
Same side means same operation.
Opposite side means opposite operation.
Step-by-step explanation:
yw;)
© If x = 2 and y=5, evaluate the following expression:
3(x + y)
twenty divided by the difference of seven and three
Answer
5
Explanation
Twenty divided by the difference of seven and three
In mathematical terms,
20 ÷ (7 - 3)
= 20 ÷ 4
= 5
Hope this Helps!!!