The cost of admission for a group of 4 people is $160
How to determine the cost of admission for a group of 4 people?From the question, we have the following parameters that can be used in our computation:
C = 40 p
Where p is the number of people
For a group of 4 people, we have
p = 4
Substitute p = 4 in the equation C = 40 p
So, we have the following representation
C(4) = 40 * 4
Evaluate the products
C(4) = 160
hence, the cost is $160
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factor y^2+8y+16-100t^2
Given
\(y^2+8y+16-100t^2\)
Find
Factorize the expression
Explanation
\(\begin{gathered} y^2+8y+16-100t^2 \\ y^2+4y+4y+16-(10t)^2 \\ y(y+4)+4(y+4)-(10t)^2 \\ (y+4)(y+4)-(10t)^2 \\ (y+4)^2-(10t)^2 \end{gathered}\)now , we use the identity :
\(a^2-b^2=(a+b)(a-b)\)so ,
\((y+4+10t)(y+4-10t)\)Final Answer
Hence , the required factor is
\((y+4+10t)(y+4-10t)\)
4.4 = –13.6 + 3t how would i solve this step by step
Answer:
t = 6
Step-by-step explanation:
First, add 13.6 (inverse operation)
18 = 3t (divide by 3)
6 = t
sub in to check
Answer:
t=6
Step-by-step explanation:
4.4=-13.6+3t [add -13.6 to both sides]
18=3t [divide 3 from 18]
t=6
What is the value of x in the picture below? Round your answer to the nearest 10th (1 decimal place)
1 A
41°
Answer:
try to find the c's in the o's how many are there?
Step-by-step explanation:
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Fill in the blank with the most appropriate term A company did a study on the physical activity level and weight gain of its employees. Age was not considered so it might be an example of an Answer 2 Points 1 Tables Keypad Keyboard Shortcuts O Confounding Variable
O Response Variable
O Explanatory Variable O Placebo
O Control Variable
A company did a study on the physical activity level and weight gain of its employees. Age was not considered, so it might be an example of a confounding variable.
A confounding variable is an unmeasured third variable that influences, or confounds, the relationship between an independent and a dependent variable. For example, in a study looking at the relationship between smoking and lung cancer, age may be a confounding variable because people who smoke tend to be older than those who do not.
This would mean that age is influencing both smoking and the risk of lung cancer, so the true effect of smoking on the risk of lung cancer cannot be determined without taking age into account. The presence of a confounding variable can distort the results of an experiment and lead to inaccurate conclusions.
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Find the x-intercepts of the graph.
20
X =
10
y
2
4
y=-3x² + 14x + 5
], x=
X
X
The x-intercept of the function is (-1/3, 0) and (5, 0)
Given is a graph of a parabola having equation y = -3x²+14x+5, we need to find the x-intercept of the graph,
So to find the x-intercept put y = 0,
Therefore,
-3x²+14x+5 = 0
-3x²+15x-x+5 = 0
-3x(x-5)-1(x-5) = 0
(-3x-1)(x-5) = 0
Therefore,
x = -1/3 and x = 5
Hence the x-intercept of the function is (-1/3, 0) and (5, 0)
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How many even 2-digit positive integers can be written using the numbers 2, 4, 5, and 8?
Answer:
12
Step-by-step explanation:
To have an even integer the number's endian has to be an even number. Consider the 2-digit positive number like _ _ and place the number of possible options out of four total options in each blank space. We have 3 even options, so we can fill the endian blank like this _ 3
Since the first digit can be any number, therefor, we have 4 options for the first blank space 4 3. Just multiply the two numbers and you have the answer.
22, 24, 28, 42, 44, 48, 52, 54, 58, 82, 84, 88
What is the solution to the equation?
9.1k = 63.7
will give brainlest
Answer: k=7
Step-by-step explanation:
i just did the assiment
14 adults and 20 children attended a piano recital. If two people are selected to receive door prizes at the recital, what is the probability that both will be children?
Write the ratio 4 3/5 to 1 1/5 as a fraction in lowest terms
Answer:
23/6
Step-by-step explanation:
Given fractions
4 3/5 to 1 1/5
Write 4 3/5 as improper fraction= 23/5
Write 1 1/5 as improper fraction= 6/5
Then find the ratio
23/5 : 6/5
Ratio is finding division of two terms
(23/5) / (6/5)
= 23/5 × 5/6
5 at the denominator cancel out 5 at numerator then we have
= 23/6
Hence, fraction in lowest terms here is
23/6
Find the average rage of change of each of the following functions over the interval 1 < × < 5.
PLEASE HELP WILL GIVE BRAINLEST
SOLVE THE PROBLEMS WITH SUBSTITION
x=-3y+3
x-3y=-15
Answer:
y=3
Step-by-step explanation:
x=-3y+3
(-3y+3)-3y=-15
-6y=-18
y=3
Seven
more than 9 is my denominaton,
One less than my denominator is my numerator. What fraction am I.
Answer:
15/16Step-by-step explanation:
Seven more than 9 is my denominator:
\(7+9=16\)
One less than my denominator is my numerator :
\(16-1=15\)
What fraction am I :
\(\frac{15}{16}\)
Answer:
\( \frac{15}{16} \)
Step-by-step explanation:
Sorry if wrong :( .
Follow me? FollowBack ^^ .
Can someone please help me with this problem?
9514 1404 393
Answer:
0, 1, 2, 3
Step-by-step explanation:
The set of absolute values of integers is the set of non-negative integers. The four smallest values of the set are ...
0, 1, 2, 3
The temperature in a commercial freezer over four days are -2.36 F, 1.68F, -1.81F, and 0.67F what is the mean temperature of the freezer over the four days
Answer: -0.455F
Step-by-step explanation:
The mean temperature of the freezer over the four days will be gotten by adding the total temperature and then dividing by 4. This will be:
= (-2.36 + 1.68F + -1.81F + 0.67F) / 4
= -1.82F/4
= -0.455F
The mean temperature is -0.455F
Which term describes BCD
Check the picture below.
5/13 of a number is 55 what is the number?
Answer:
143
Step-by-step explanation:
Let's call the number we're trying to find "x".
According to the problem, we know that:
5/13 of x = 55
To solve for x, we can start by multiplying both sides by the reciprocal of 5/13, which is 13/5:
(13/5) * (5/13) * x = (13/5) * 55
Simplifying, we get:
x = 143
Therefore, the number we're looking for is 143.
A vertical plane passes through a pyramid that has a horizontal base.
Which of the following can be produced from the intersection of the vertical plane and pyramid? Select all that apply.
circle
Orectangle
triangle
Dsquare
horizontal line segment
trapezoid
A triangle will be produced from the intersection of the vertical plane and pyramid. The correct options are triangles and trapezoid.
What is a triangle?A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry.
Given that a vertical plane passes through a pyramid that has a horizontal base. Therefore, when the vertical plane and the pyramid meets or intersect the two dimensional figure that will be produced when the two intersect is triangle. It can also be trapezoid if the vertical plane does not intersect exactly in mid of the pyramid.
Hence, a triangle or a trapezoid will be produced from the intersection of the vertical plane and pyramid.
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40 POINTS HALP
Find the value of x, y, and z
Answer: x= 108°, y=36°, and z= 30°
Step-by-step explanation: 72 and 3y make a supplementary angle which is equal to 180°.
(3z+18) and x are corresponding angles so they're equal to each other.
$600 a month on groceries, if this is 15% of the monthly budget, what is the monthly budget
Answer:
$4,000
Step-by-step explanation:
.15x = $600
.15x = $600. divide both sides by .15
.15. .15
x = $4,000
a Find the total surface area of a cuboid with dimensions 4cm × 3cm × 2cm.
B)If the length of the cube, 4cm, is doubled, what is the new surface area of the cuboid?
Answer:
24 millimeters B) Area of one side= 4*4
=16
Total number of faces= 6
Then total area= area of one side* number of sides
=16*6
=96 square cm
Step-by-step explanation:
The graph of a quadratic function with vertex (-3,3) is shown in the figure below.
Find the domain and the range.
Answer:
Domain:(∞,-∞)
Step-by-step explanation:
Well, I think this is correct because (-3,3) defines the limit. The parabola shows that there are infinite ranges of values within it. It is pretty much straightforward. All values must fit in from (-3,∞) to (-∞,3)
let me know if im wrong im just refreshing my thinking process at this moment.
6. Determine the system of equations based on the following relationships and then solve
for the two integers.
a. Fourteen more than twice the first integer gives the second integer
b. The second integer increased by one is the square of the first integer
Answer: (-3,8) and (5,24)
The two pairs of integers that satisfy the given conditions are (-3, 8) and (5, 24).
To solve the system of equations, let's assign variables to the two integers. Let the first integer be represented by 'x' and the second integer by 'y'.
According to the given information:
a. Fourteen more than twice the first integer gives the second integer:
This can be expressed as: 2x + 14 = y
b. The second integer increased by one is the square of the first integer:
This can be expressed as: y + 1 = x^2
Now, we have a system of equations:
1) 2x + 14 = y
2) y + 1 = x^2
To solve this system, we can substitute the value of 'y' from equation 1) into equation 2):
2x + 14 + 1 = x^2
2x + 15 = x^2
Rearranging the equation, we have:
\(x^2 - 2x - 15 = 0\)
Factoring the quadratic equation, we get:
(x - 5)(x + 3) = 0
Setting each factor equal to zero:
x - 5 = 0 --> x = 5
x + 3 = 0 --> x = -3
Substituting the values of 'x' back into equation 1), we can find the corresponding values of 'y':
For x = 5:
2(5) + 14 = y
10 + 14 = y
y = 24
For x = -3:
2(-3) + 14 = y
-6 + 14 = y
y = 8
Therefore, the two pairs of integers that satisfy the given conditions are (-3, 8) and (5, 24).
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Find the volume of a right circular cone that has a height of 15.2 m and a base with a radius of 16.2 m. Round your answer to the nearest tenth of a cubic meter.
Answer:
\(\boxed{\mathrm \quad {4177.4 \: cm^3}\quad }\)
Step-by-step explanation:
Volume of a right circular cone with radius r and height =is given by the formula
\(V = \dfrac{1}{3} \pi r^2 h\\\\\text {We are given}\\\\r = 16.2 \;cm\\h = 15.2\;cm\\\\V = \dfrac{1}{3} \times \pi \times (16.2)^2 \times 15.2\\\\= \dfrac{1}{3} \times \pi \times 262.44 \times 15.2\\\\= 1329.696 \pi cm^3\\\\= 4177.36318 \;cm^3\\\\= 4177.4 \;cm^3 \text{ when rounded to the nearest tenth}\)
PLEASE HELP ME !!!!!!!!
Answer:
6
Step-by-step explanation:
Help me out! Brainliest if you give me a valid answer & explanation!
Q: Find the area of the shape below!
Answer:
Answer is 131 square ft
Step-by-step explanation:
You need to split the shape into two
12 times 8 equals 96
7 times 5 equals 35
Add together and get answer of 131
Hope I could help! Have a great day!
Factor each expressions using the greatest common factor.
1:3x + 6
2:4x-8
4:2x-4
7:9x + 18
5: 6x + 12
8: 8x - 16
3: 5x + 10
6:7x-14
Which symbol makes the number sentence true?
-2.50 ? -10/4
A) <
B) >
C) =
Answer:
C) =
Step-by-step explanation:
-10/4 simplifies to -2.5 which is also equal to -2.50.
Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).
x f(x) = 2.5x − 10.5 g(x) = 64(0.5x)
2
3
4
5
6
A newspaper started an online version of its paper 14 years ago. In a recent presentation to stockholders, the lead marketing executive stated, “The revenues for online ads are more than double that of the revenues for printed ads.”
Use the graph below to justify the lead executive’s statement.
Determine the approximate year that the two ad revenues were equal.
See Text Version
Two ocean beaches are being affected by erosion. The table shows the width, in feet, of each beach measured at high tide where 1995 is represented by year 0:
Year number Western Beach width (in feet) Dunes Beach width (in feet)
0 100 20
5 90 45
10 80 70
11 78 75
12 76 80
15 70 95
Describe the patterns shown by the erosion data measurements shown for each of the beaches in the table.
Between which years will the beaches have approximately the same width?
Assuming these rates remain constant, what can you do to get a better approximation of when the two beaches will have the same width?
04.04 Solving Systems of Equations Approximately Rubric
Requirements Possible Points Student Points
Student completes the table with the correct values. 4
Student finds the solution to the equation. 2
Student uses the graph to justify the statement. 3
Student uses the graph to determine the approximate year that the two ad revenues were equal. 3
Student interprets and analyzes the data in a table. 3
Student determines the approximate solution. 3
Student presents a correct method for closely approximating the solution. 2
The value of the equation f(x) = 2.5x - 10.5 and g(x) = 64(0.5x) are calculated as x = 2: f(x) = 2.5(2) - 10.5 = -5.5 and g(x) = 64(0.5(2)) = 64.
What is substitution method?The substitution method is a quick and easy way to identify the variables' solutions to a set of linear equations. It entails, as the name implies, determining the value of the x-variable in terms of the y-variable from the first equation, and then substituting or replacing the value of the x-variable in the second equation. So, we may solve the equation and determine the value of the y-variable. Finally, we can use any of the above equations with the value of y to determine x. It is also possible to solve for x first, then for y, in the opposite order.
The given equation are f(x) = 2.5x - 10.5 and g(x) = 64(0.5x).
Substituting the value of x we have the value in the table as follows:
x = 2:
f(x) = 2.5(2) - 10.5 and g(x) = 64(0.5(2))
f(x) = -5.5 g(x) = 64
For x = 3:
f(x) = 2.5(3) - 10.5 and g(x) = 64(0.5(3))
f(x) = -3 g(x) = 96
For x = 4:
f(x) = 2.5(4) - 10.5 and g(x) = 64(0.5(4))
f(x) = -0.5 g(x) = 128
For x = 5:
f(x) = 2.5(5) - 10.5 and g(x) = 64(0.5(5))
f(x) = 2 g(x) = 160
For x = 6:
f(x) = 2.5(6) - 10.5 and g(x) = 64(0.5(6))
f(x) = 4.5 g(x) = 192
Hence, the value of the equation f(x) = 2.5x - 10.5 and g(x) = 64(0.5x) are calculated as x = 2: f(x) = 2.5(2) - 10.5 = -5.5 and g(x) = 64(0.5(2)) = 64.
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solve the following quadratic equation using the quadratic formula and then choose the correct solution set 8x2-6x+1=0
Answer:
The solutions to the quadratic equation using the quadratic formula will be:
\(x=\frac{1}{2},\:x=\frac{1}{4}\)
Step-by-step explanation:
Given the equation
\(8x^2-6x+1=0\)
solving with the quadratic formula
\(\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\)
\(x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}\)
\(\mathrm{For\:}\quad a=8,\:b=-6,\:c=1\)
\(x_{1,\:2}=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:8\cdot \:1}}{2\cdot \:8}\)
as
\(\sqrt{\left(-6\right)^2-4\cdot \:8\cdot \:1}=2\)
so
\(x_{1,\:2}=\frac{-\left(-6\right)\pm \:2}{2\cdot \:8}\)
Separating the solution
\(x_1=\frac{-\left(-6\right)+2}{2\cdot \:8},\:x_2=\frac{-\left(-6\right)-2}{2\cdot \:8}\)
solving
\(x_1=\frac{-\left(-6\right)+2}{2\cdot \:\:8}\)
\(=\frac{6+2}{2\cdot \:8}\)
\(=\frac{8}{16}\)
\(=\frac{1}{2}\)
and
\(x_2=\frac{-\left(-6\right)-2}{2\cdot \:8}\)
\(=\frac{6-2}{2\cdot \:\:\:8}\)
\(=\frac{4}{16}\)
\(=\frac{1}{4}\)
Therefore, the solutions to the quadratic equation using the quadratic formula will be:
\(x=\frac{1}{2},\:x=\frac{1}{4}\)
Answer:
1/4 1/2
Step-by-step explanation:
A bus holds 39 passengers. How many buses will 420 people need
Answer:
11 buses
Step-by-step explanation: