Answer:
C) 273 ft²
Step-by-step explanation:
7x11x3=231
2x1/2x7x6=42
231+42=273
Graph the solution to this inequality on the number line.
The
Using a straight line and either an open circle or a closed circle to indicate the end points, we can depict inequalities on a number line by displaying the range of integers.
How do you identify inequalities?By drawing a straight line and designating the end points with either an open circle or a closed circle, we can depict inequalities on a number line by illustrating the range of integers. An open circle indicates that it excludes the value. A closed circle indicates that it does contain the value.
Both equations and inequalities are mathematical phrases created by connecting two expressions. The equal sign (=) in an equation denotes that the two expressions are regarded as equal. In contrast, an inequality indicates that the two phrases are not always equal by using the symbols >,,, or.
With regard to the inequality expression
-3m + 5 > 14
5 from each side is subtracted.
-3m + 5 - 5 > 14 - 5
-3m > 9
Subtract -3 from both sides.
-3m/-3 < 9/-3
m < -3
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fv=100000, pmt=4000, i/y=5%, n=10, what is pv?
The Present value is $6,139.132.
We have,
FV=100000, pmt = 4000, I =5%, n=10
So, The present value formula is
PV=FV / (1 + \(i)^n\)
So, PV = 100, 000 / (1+ 5/100\()^{10\\\)
PV = 100,000 / (1+ 0.05\()^{10\\\)
PV = 100, 000/ (1.05\()^{10\\\)
PV = 100,000 / 1.6288946
PV= $6,139.132
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4 children each have some beads, the mean number of beads is 8 Rajiv brings some more beads. The mean number of 5 children is now 9 what is the numberx of beads Rajiv brings
Answer:
The number of beads Rajiv brings is: 13Step-by-step explanation:
Make a plan:In this question, we need to use the formula of means to solve the. We can set the number of beads Rajiv brings as X, and use the formula of mean to get the total number of beads that the Four(4) children have and the total number of beads that the Five(5) children have.
Solve the problem:Four(4) children each have some beads, the mean number of beads is: 8
We can get the total number of beads the Four(4) children have:4 * 8 = 32
Rajiv brings some more beads:We set the number of beads Rajiv brings as:
x, so the total number of beads that the Five(5) children have is:
32 + x
The mean number of the Five(5) children is now: 9
We can get the total number of beads that the Five(5) children have:5 * 9 = 45
Now, we have the equation:32 + x = 45
x + 32 = 45
- 32 = -32
x = 13
By solving the above equation, you can get:
x = 13
Hence, The number of beads Rajiv brings is:13
Hope this helps!
Two of the statements are true; one is a lie.
Select the one that is a lie.
Then explain your reasoning.
∠BAF and ∠CAF are complementary.
∠BAF and ∠BAC are adjacent.
∠DAC and ∠CAB are supplementary.
Answer:
The second one is the lie adjacent means next to each other there not therefore thats the lie hope that helps!
Which situation is a result of focal policy
O A A Corporationis fines for violating regulations.
3. A school gets more money to buy computers,
O C. A bank offers a loan to a small business.
D. A consume hes limites options for food at a store
Class diagrams and use case diagrams are used to illustrate systems based on the concept of ____.DirectPhasedObjectsDocument management
Class diagrams and use case diagrams are used to illustrate systems based on the concept of objects
Class diagrams are typically used to illustrate systems based on the concept of objects and are used to represent the static structure and functional requirements of the system, respectively. These diagrams are useful for visualizing and documenting the structure and behavior of a system and are often used in the analysis and design of software systems.
It is a type of diagram representing the static structure of a system. It shows the classes, attributes, and relationships within the system, and is used to illustrate the structure of the system. In a class diagram, classes are represented as boxes, with the name of the class at the top and the attributes and methods of the class listed inside the box. Relationships between classes are represented by lines connecting the boxes, with symbols indicating the type of relationship
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PLEASE HURRY AND ANSWER!!!!
The probability that that arrow will land on the part labelled C after the first spin would be = 1/5.
How to calculate the probability of the chosen event?To calculate the probability of the chosen event, the formula for probability should be used which is given as follows:
Probability = possible outcome/ sample space
Where possible outcome = 2
sample space = A,B,B,B,C,C,D,D,D,E = 10
Therefore the probability that the arrow will land on the part labelled C after the first spin = 2/10 = 1/5.
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If f(x) = 2x² + 1 and g(x)=x²-7, find (f+ g)(x).
OA. ²-6
OB. x2 +8
OC. 3x² +8
OD. 3x²-6
Answer:
D. 3x^2 -6 is the correct answer.
Step-by-step explanation:
An ant crawls across a yard. Its distance from an anthill
, as a function of time,
is modeled by y=-3x + 107.
Which statement best describes the function?
O
A. The function is linear at some points and nonlinear at other points,
B. The function is nonlinear.
c. Not enough information is given to decide.
O
D. The function is linear.
SUBMIT
Answer:
The function is linear at some points and nonlinear at other points,
Step-by-step explanation:
An ant crawls across a yard. Its distance from an anthill
, as a function of time,
is modeled by y=-3x + 107.
Answer: D : It’s linear
.
Step-by-step explanation:
#1 (7.6)
ABXC is a right triangle where mzXBC-90°, mzCXB-60°, and XB-5. Determine the length
of each side. Leave your answer as an exact answer.
1. Draw the triangle and label the given parts
2. Identify side types:
30-60-90 has hypotenuse, short, long
45-45-90 has hypotenuse, leg, leg
3. Write the formulas for the special right triangle. Plug in your values and solve.
To enter a square root answer, type the number outside and the number inside using the two
boxes provided. For example, 7√2 would look like 7
Length
Side
CB (long)
XB (hypotenuse)
The the length of each side of the triangle are: 5 units, 8.7 units and 10 units respective
What is a triangle?A triangle is a polygon with three sides, three angles, three vertices and sum of angles equal to 180 degrees
From the triangle, Using the trigonometric ratio of sine
Sin C = opposite/Hypothenuse
Sin30 = 5/H
Making h the subject of the relation we have
h= 5/sin30
h=5/0.5
Therefore the value of h=10 units
To find the third side use Pythagoras theorem
10² = 5²+p²
100-25 = p²
75 = p²
Taking the square of both sides
p=√75
p=8.7 units
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All 10,000 California students in the beginning of 8th grade are given an entrance exam that will allow them to attend a top academic charter school for free. Students who achieve a score of 92 or greater are admitted. This year the mean on the entrance exam was an 82 with a standard deviation of 4.5. a.What is the percentage of students who have the chance to attend the charter school
Answer:
1.32% of students have the chance to attend the charter school.
Step-by-step explanation:
Normal Probability Distribution:
Problems of normal distributions can be solved using the z-score formula.
In a set with mean \(\mu\) and standard deviation \(\sigma\), the zscore of a measure X is given by:
\(Z = \frac{X - \mu}{\sigma}\)
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
This year the mean on the entrance exam was an 82 with a standard deviation of 4.5.
This means that \(\mu = 82, \sigma = 4.5\)
a.What is the percentage of students who have the chance to attend the charter school?
Students who achieve a score of 92 or greater are admitted, which means that the proportion is 1 subtracted by the pvalue of Z when X = 92. So
\(Z = \frac{X - \mu}{\sigma}\)
\(Z = \frac{92 - 82}{4.5}\)
\(Z = 2.22\)
\(Z = 2.22\) has a pvalue of 0.9868
1 - 0.9868 = 0.0132
0.0132*100% = 1.32%
1.32% of students have the chance to attend the charter school.
Ian recorded the grade-level and instrument of everyone in the middle school School
of Rock below.
Seventh Grade Students
Eighth Grade Students
Instrument # of Students
Instrument # of Students
12
Guitar
Bass
Drums
Keyboard
7
14
9
4
5
Guitar
Bass
Drums
Keyboard
3
5
Based on these results, express the probability that a seventh grader chosen at
random will play the drums as a decimal to the nearest hundredth.
Answer:12/77
Step-by-step explanation:
The probability that a seventh grader chosen at random will play an instrument other than the Guitar is 0.76.
What is probability?Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences. Then the probability is given as,
P = (Favorable event) / (Total event)
The total event for seventh grade is given as,
Total = 9 + 9 + 11 + 9
Total = 38
The probability that a seventh grader chosen at random will play an instrument other than the Guitar is calculated as,
P = 9/38 + 11/38 + 9/38
P = 29/38
P = 0.76
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The complete question is given below:
\(5/4+3/4+1/4=\)
20 POINTS!!
Suppose that, based on a sample, the 95% confidence interval for the mean of
a population is (23,39). What was the mean of the sample?
A. 31
B. 37
C. 35
D. 33
Answer: 31
Step-by-step explanation: just took the test
I am stumped >:( ahhhhhhh
Answer:
\(\frac{1}{32} yards^{3}\)
Step-by-step explanation:
\(V=w*h*l\)
↓
\(V= \frac{1}{4} *\frac{1}{4} *\frac{1}{2}\)
=
\(\frac{1}{32} yards^{3}\\\)
Hope this helps!
ilang numbers discs na 1000 ang 4679
Answer:
The answer is 4..apat na 1000
Step-by-step explanation:
Which of the following is an arithmetic sequence?
A. 7, 11, 15, 19, 23, 28, ...
B. 3, 6, 12, 24, 48, ...
C. 0, 3, 0,6, 0, 9, ....
D. -3, -7, -11, -15, -19, -23, ...
Answer:
The last one (D) is an arithmetic sequence
WILL MARK BRAINLY FOR WHO EVER ANSWERS THIS RIGHT
Answer:
B
Step-by-step explanation:
Hope this helps!
Solve 2w2–64 = 0, where w is a real number.
Answer:
w = 4√2
Step-by-step explanation:
2w^2 - 64 = 0
=> 2w^2 = 64
=> w^2 = 32
=> w = √ 32
=> w = √ [(2 x 2) x (2 x 2) x 2]
=> w = 2 x 2 x √ 2
=> w = 4√2
Steven made a scale drawing of a theater. The stage is 5 inches wide in the drawing. The actual stage is 20 feet wide. What is the scale of the drawing?
Answer:
the answer would be 100 because 20x5 = 100
Step-by-step explanation:
If 3(x - 1) - x = 3 + 2(x – 3), then x =
a. 0
b. 4
C. No solution
All Real Solutions/Infinite Solutions
Hi there!
»»————- ★ ————-««
I believe your answer is:
All Real Solutions/Infinite Solutions
»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻
\(3(x-1)-x=3+2(x-3)\\--------------\\\rightarrow 3x - 3 - x = 3 + 2x - 6\\\\\rightarrow 2x - 3 = 3 + 2x - 6\\\\\rightarrow -3 = 3 - 6\\\\\rightarrow \boxed{-3 = -3}\)
⸻⸻⸻⸻
This is an identity; there are infinitely many solutions.
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
The graph of F(x), show below, resemble the graph of G(x) = x^2 but it has been charged somewhat. which of the following could be the equation of F(x)?
x-axisThe given function is as follows, I am gonna also write the standard form of it.!
\(G(x)=x^2\rightarrow sandard\text{ }\rightarrow G(x)=a\cdot(x\pm b)^2\pm c\)Where a, b, c are constants that adjust the apparent look and position of the function.
a changes width of the function, b translates or moves function along the x-axis, and finally, c translates or moves the function along the y-axis.
Now the function in red has the following properties:
It is shifted -2 in x and -2 in y and it is skewed or narrowed (its width is reduced )
Keeping these in mind, for x translation to go 2 units in a negative direction the 'b' has to be +2, and similarly, for y translation, the c has to be -2.
At this point keeping these values in mind, option c matches with the f(x).
\(f(x)=3(x+2)^2-2\)A stone is dropped from the upper observation deck of a tower, 950 m above the ground. (Assume g = 9.8 m/s2.)
(a) Find the distance (in meters) of the stone above ground level at time t.
(b) How long does it take the stone to reach the ground? (Round your answer to two decimal places.)
(c) With what velocity does it strike the ground? (Round your answer to one decimal place.)
(d) If the stone is thrown downward with a speed of 8 m/s, how long does it take to reach the ground? (Round your answer to two decimal places.)
a) The distance of the stone above ground level at time t :
d(t)= -4.9t² + 950
b) It takes 13.92 seconds the stone to reach the ground
c) With 136.42 m/s velocity the stone strikes the ground.
d) If the stone is thrown downward with a speed of 8 m/s, it will take 13.13 seconds to reach the ground
Here, a stone is dropped from the upper observation deck of a tower, 950 m above the ground.
(a) the distance of the stone above ground level at time t would be,
d(t) = 0.5 (-9.8) t² + v(0) t + d(0)
= (-4.9)t² + 0t + 950
= -4.9t² + 950
(b) Now we find the time the stone takes to reach the ground.
i.e., the value of 't' when d = 0
Substituting d(t) = 0 in the above equation.
-4.9t² + 950 = 0
t² = (-950) / (-4.9)
t² = 193.88
t = 13.92 seconds
(c) We need to find the velocity the stone takes to strike the ground
i.e., the velocity when t = 13.92 seconds
v(t) = v(0) + gt
v(13.92) = 0 + (9.8)(13.92)
v = 136.42 m/s
(d) here, v(0) = -8 m/s
Velocity is negative because stone is being thrown downward.
d(t) = 0
(-4.9)t² + v(0) t + d(0) = 0
(-4.9)t² -8t + 950 = 0
Using the quadratic formula we solve above equation for,
t = -14.76, 13.13
We can disregard the negative solution
So, we get t = 13.13 seconds.
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Find the slope of the graph of the relation 2x^3 - 3xy + y^3= -1 at the point (2, -3).
Select one:
a. -11/7
b. 5/7
c.-1/3
d. 4/3
Answer: -11/7
Step-by-step explanation: Got it right
The slope of the given relation 2x³ - 3xy + y³ = -1 is -11/7. Option (A) is correct option.
What is slope?The value of the steepness or the direction of a line in a coordinate plane is known as the slope of a line, often known as the gradient. Given the equation of a line or the coordinates of points situated on the straight line, slope can be determined using a variety of techniques.
the slope of any funtion y = f(x) can be given as dy/dx.
The given relation is,
2x³ - 3xy + y³ = -1
To find the slope of the graph of the given relation,
Differentiate relation with respect to x,
d/dx(2x³ - 3xy + y³) = d/dx(-1)
6x² - 3x dy/dx - 3y + 3y²dy/dx = 0
6x² - 3y = 3x dy/dx -3y² (dy/dx)
dy / dx =(6x² - 3y)/3x - 3y²
dy / dx = 2x² - y / x -y²
The slope at point (2, -3)
dy / dx = 2(2)² - (-3) / 2 - (-3)²
= 8 + 3 / 2 - 9
= 11/ -7
= -11/7
The slope of the given relation is -11/7.
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A media personality argues that global temperatures are not rising because every year an increase is reported such as 0.09 degrees Celsius. The difference from the previous year is less than the margin of error of about 0.13 degrees C, so that difference should be ignored. What is the best counterargument?
The media personality's argument is flawed because they are basing their conclusion on a single year's data and ignoring the overall trend of increasing global temperatures. To counter this argument, one can make the following points:
1. While it is true that the annual increase in temperature may be less than the margin of error, the trend of increasing temperatures over several decades cannot be ignored. The margin of error is a statistical concept that takes into account the uncertainty in the measurement, but it does not negate the overall trend.
2. Global temperature records show that the Earth's temperature has been steadily rising over the past century, with the 10 warmest years on record occurring since 2005. This trend cannot be explained by natural variability alone and is consistent with the effects of human-caused climate change.
3. The consequences of rising global temperatures, such as melting glaciers, rising sea levels, and more frequent extreme weather events, are already being felt around the world. Ignoring this trend could have devastating consequences for future generations.
In summary, the media personality's argument is based on a flawed understanding of statistics and ignores the overall trend of increasing global temperatures. The best counterargument is to highlight the overwhelming evidence of climate change and its potential consequences.
2
7) through: (-3,0), slope
3
Answer:
Step-by-step explanation:
Point-slope equation for line of slope m that passes through (x₀, y₀):
y-y₀ = m(x-x₀)
Slope =3 and (x₀, y₀)=(-3,0)
y = 3(x+3)
y = 3x+ 9
:::::
Slope-intercept equation for line of slope m and y-intercept b:
y = mx+b
m=1 and b= -4:
y = x-4
don’t understand the question would be a pleasure if someone were to explain and answer the questions! thank you
50 POINTS!!! PLS HELP FAST AND CORRECTLY WITH EXPLANATION!!
Answer:
a) 1/9
b) 1/18
c) 0
Step-by-step explanation:
a) if we make a chart, like the one I attached, (the numbers aren't correct, just look at the template), we find the answers by subtracting each number.
900 employees had put their names in a lucky draw. When the lucky numbers were drawn. The first draw eliminated 20% of the people, the second draw eliminated 30% of the remaining people and the third draw eliminated exactly one third of the remaining people. How many people were eliminated in the third draw?
Answer: in the third draw 33.33% people eliminated.
Step-by-step explanation:
Find the difference between the actual quotient and the estimated quotient of 54,114÷29 . (Dividend is rounded off to nearest thousand and divisor to nearest ten)
The difference between the actual quotient and the estimated quotient of 54,114 ÷ 29 is approximately 66.3448275862068965517241379.
To find the difference between the actual quotient and the estimated quotient of 54,114 ÷ 29, we need to first calculate the actual quotient and then the estimated quotient.
Actual quotient:
Dividing 54,114 by 29, we get:
54,114 ÷ 29 = 1,866.3448275862068965517241379 (approximated to 28 decimal places)
Estimated quotient:
Rounding the dividend, 54,114, to the nearest thousand gives us 54,000. Rounding the divisor, 29, to the nearest ten gives us 30. Now, we can perform the division with the rounded values:
54,000 ÷ 30 = 1,800
Difference between actual and estimated quotient:
Actual quotient - Estimated quotient = 1,866.3448275862068965517241379 - 1,800 = 66.3448275862068965517241379
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