0.75 x - 4/3 Brainless?
Answer:
-1
Step-by-step explanation:
Turned 0.75 into fraction which is 3/4.
Then did 3/4x-4/3=-1
Calculate the value for each determinant:
Answer:
step by step explanation:
1. 9 4. -12
2. -48 5. 0
3. 17 6. 1
Pls give the right answers
Pls help
Pls help
Pls help
Answer:
H
Step-by-step explanation:
Because I’m decimal if it is negative the greater the number in negative the less it is
potrzebuję na teraz pls
Answer:
sywuwyqiqjkasa
Step-by-step explanation:
Yueyeiwwiwieiei2i2i2i
In circle G, r = 3 units. Maria draws a circle with double the area of circle G.
What is the area of Maria’s circle?
Answer:
The answer 28.27 *2 = 56.54
Step-by-step explanation:
A= πr^2
The area of Maria's circle, which is double the area of circle G is: 56.52 sq. cm.
What is the Area of a Circle?Area of a circle = πr²r = radius of the circleGiven:
Radius (r) of circle G = 3 units
Area of circle G = π(3²) = 28.26 sq. units.
Area of Maria's circle = 2(area of circle G)
Therefore:
Area of Maria's circle = 2(28.26)
Area of Maria's circle = 56.52 sq. cm.
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The sum of 4 times a number and 8 equals 3
Write a multiplication equation that describes the picture of the half pants below use fraction below
Maureen has a Jump rope that is 62 inches long nancys jump rope is 10 inches longer how long is nancys jump rope?
Answer: 6 feet long
Step-by-step explanation:
1ft. = 12 in
62 inches = 5 feet and 2 inches
Break down 62 into 60 and 2
60 divided by 12 = 5 (12x5=60)
60in. = 5ft.
2in. = 2in.
5ft. and 2in.
10in.= 10in.
Add the inches
10in. + 2 in. = 12 in.
12in.= 1ft.
5ft. + 1ft. = 6ft.
Answer: Nancy’s rope is 6ft. long
Find the pair of numbers that completes the factorization. x^2 - 3x - 40 = (x +?)(x-?)
a- 5,8
b- 4,10
c- 10,4
d- 8,5
answer
a. 5,8
explanation
use numbers in each answer choice
+5 * -8 = - 40
+5 -8 = -3
Consider the form \(x^2+bx+c\). Find a pair of integers whose product is \(c\) and whose sum is \(b\). In this case, whose product is -40 and whose sum is -3.
\(\longrightarrow\boxed{\bold{(-8,5)}}\)
Write the factored form using these integers.
\((x-8) \ (x+5)\)
The temperature, t, in degrees Fahrenheit, can be found by counting the number of cricket chirps, c, heard in 14 seconds and then adding 40. The equation t = c + 40 models the relationship between the temperature and the number of cricket chirps. What is true about the graph that represents this real-world scenario? Select two options.
The graph is continuous.
All values of t must be positive.
A viable solution is (-2,38)
A viable solution is (0.5, 40.5)
A viable solution is (10,50)
The two true options are A and D
The two options that are true about the graph that represents this real-world scenario are;
All the t values must be positive, and a viable solution is (10, 50). Hence, the correct option for this question is A and D.
Plotting the data in the graph is advantageous because it gives a visual presentation of the data and makes it easy to observe and forecast the large data set in a short time.
In the case of this question, the temperature is directly reliant on the c number of cricket chirps heard in 14 seconds. Therefore, if all the c values must be positive integers, the values of t must also be positive numbers.
t = c + 40
Because 10 is a positive integer, it is a possible c value
If c = 10
t = 40 + 10
t = 50
A viable solution (10, 50) represents the values of c and t, respectively, to predict the data more accurately and with validity.
Therefore, the correct option for this question is A and D.
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What is the probability that either event will occur? 17 A 29 B 14 P(A or B)
The probability that either event A or B will occur is 43/60
Getting probability value :Using the parameters given
n(A) = 29
n(B) = 14
Total number of events = 29+17+14 = 60
The probability of each event :
P(A) = 29/60
P(B) = 14/60
P(A or B ) = P(A) + P(B)
P(A or B ) = 29/60 + 14/60
P(A or B ) = 43/60
Therefore, the probability of A or B is 43/60
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2. How is the sentence "9 less than x is-1" written as an equati
Answer:
x - 9 = -1
Step-by-step explanation:
When you see less than you switch the numbers. So, for instance, it says 9 less than x means x-9
Kim is in the tenth grade and takes a standardized science test. Use his test scores below to answer the question that follows. raw score 72 percentile 88 stanine 8 grade equivalent 12.1
Kim's test scores indicate that: he scored as well as or better than 72 of the test takers. 28% of the test takers scored better than he did. he would perform adequately in a twelfth grade science class. he scored as well as or better than 88% of the test takers. he answered 72% of the questions correctly.
Kim's test scores indicate that he scored as well as or better than 72% of the test takers, and 28% of the test takers scored better than him. His grade equivalent of 12.1 indicates that he would perform adequately in a twelfth grade science class.
His percentile of 88 indicates that he scored as well as or better than 88% of the test takers. His raw score of 72 does not directly indicate the percentage of questions answered correctly, but it can be assumed that he answered a majority of the questions correctly to achieve his score.
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Determine the quadrant in which the terminal side of the given angle lies.
115°
Answer:
Quadrant 2
Step-by-step explanation:
Given
\(\theta = 115^o\)
Required
The quadrant
We have:
\(0^o < \theta < 90^o\) --- quadrant 1
\(90^o < \theta < 180^o\) --- quadrant 2
\(180^o < \theta < 270^o\) --- quadrant 3
\(270^o < \theta < 360^o\) --- quadrant 4
So, by comparison; we have:
\(90^o < \theta < 180^o\)
Substitute 115 for \(\theta\)
\(90^o < 115 < 180^o\)
The above is true for quadrant 2
Which graph represents the function f(x) = 4|x|?
The new graph is still a "V" shaped graph that opens upward and goes through the origin, but it is 4 times as tall as the original graph.
what is graph ?A graph is a picture of data that illustrates the connection between two or more factors. Graphs are frequently used to show data and aid in the understanding of patterns, trends, and relationships between various variables in mathematics, science, economics, and other disciplines. An illustration of the connection between two or more points on a coordinate plane is known as a graph in mathematics. Typically, dots or other symbols are used to symbolize the points, and the lines that connect them show how the points are related to one another. Different graph types are used to depict various relationship types.
given
The "V"-shaped graph that illustrates the function f(x) = 4|x| opens upward and traverses the center.
To understand why, let's first look at the "V"-shaped graph of f(x) = |x|, which has an upward opening and traverses the origin.
When the absolute value of x is multiplied by 4, the graph of the function is vertically extended by a factor of 4.
The new graph is still a "V" shaped graph that opens upward and goes through the origin, but it is 4 times as tall as the original graph.
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is my answer correct?
THE ONE-EYED JACK MINE INVESTIGATION
The abandoned One-Eyed Jack Mine is about 31 miles off the main road adjacent to the Salmon River Wilderness area. There is only a rutted dirt track left where the access road used to run. It is so steep that when we hiked up it we had to pause every fifty feet or so to catch our breath. It seemed impossible but 3- 5 miles further we found remnants of the old wagons, the mineshaft, and the mill. The gold ore found in this mine was embedded in quartz and prospectors used the mill to grind up the quartz and rinse it with acid in huge shallow vats that were agitated so that the gold would sink to the bottom and the quartz could be washed away.
One arrangement of equipment we noticed included a circular vat about 18 feet in diameter which must have been connected by a huge belt to a smaller circular drive wheel 10 feet in diameter. The distance between the wheel and the vat was 8 feet. The equipment had been partially pre-fabricated then carried up the hill piece by piece to be re-assembled on the spot. Just the belt to connect the vat to the drive wheel would have been a major burden. We wondered how many times they had to carry new ones up to replace it. Calculate the length of belt needed to go around the drive wheel and the vat.
Answer:
The circumference of the drive wheel is 10 feet * 3.14 = 31.4 feet.
The circumference of the vat is 18 feet * 3.14 = 56.52 feet.
The total length of belt needed to go around the drive wheel and the vat is 31.4 + 56.52 = 87.92 feet.
Lara grows apples in her orchard and sells them at the weekly farmer's market. Each week, she sells the apples for a different price and records the number of apples sold. The scatter plict below
shows the price of one apple and the number of apples that were sold. A line of best fit for these data points, the equation y=-z+32, is also shown on the plot
Apples Number of Apples Sold
A family wants to purchase a house that costs $165,000. They plan to take out a $125,000 mortgage on the house and put $40,000 as a down payment. The bank informs them that with a 15-year mortgage their monthly payment would be $774.78 and with a 30-year mortgage their monthly payment would be $513.01. Determine the amount they would save on the cost of the house if they selected the 15-year mortgage rather than the 30-year mortgage.
Answer: 180 months in 15 years so 180 x 774.78 = 139460.4
and 360 months in 30 years so 360 x 513.01 = 184683.6
they would save 184683.6 - 139460.4 so 45223.2
After 8 points are added to each score in a sample, the mean is found to be M= 40. What was the value for the original mean
Answer:
The value for the original mean = 32
Step-by-step explanation:
Here, we want to calculate the original value of the mean.
Let the number of samples be n
Mathematically;
mean = Total value/n
Now, we added 8 to each of values; total value added = 8 * n = 8n
Now, for the new mean of 40; we have
(Total value + 8n)/n = 40
Total value + 8n = 40n
Total value = 40n -8n
Total value = 32n
kindly recall from the beginning of the solution;
mean = Total value/n
mean = 32n/n
mean = 32
So the original value of the mean is 32
3
Multiple Choice Find the measure of 21.
A 40°
40°
B 70°
C 80°
D 140°
E Cannot be determined
A is the correct answer
O B is the correct answer
O C is the correct answer
O Dis the correct answer
E is the correct answer
Answer:
Dont understands the lay out of this question.
Step-by-step explanation:
Please Explain in details.
Given the piecewise function shown below, select all of the statements that are true.
None of the statements A, B, C, or D are true based on the given piecewise function.
Let's analyze the given piecewise function:
f(x) =
-2, x < 0
0, x = 0
A. f(4) = 7: This statement is not true. According to the piecewise function, when x is greater than 0, f(x) is equal to 0, not 7.
B. (-2) = 0: This statement is not true. The piecewise function states that when x is less than 0, f(x) is equal to -2, not 0.
C. f(1) = 0: This statement is not true. According to the piecewise function, when x is equal to 1, f(x) is not defined since it does not fall into either of the defined intervals (-x+1 when x < 0 and -2 when x = 0). Therefore, we cannot determine the value of f(1) from the given function.
D. (-1) = 2: This statement is not true. The piecewise function states that when x is less than 0, f(x) is equal to -2, not 2.
In summary, none of the statements A, B, C, or D are true based on the given piecewise function. It's important to carefully analyze the defined intervals and corresponding values in the piecewise function to determine the validity of statements about specific inputs.
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Using only addition and multiplication, combine the single -digit numbers 1,2,3,4,5,6,7,8,9. So they total 100. the number must stay in the same order (Parentheses are not needed)
It is not possible to find a combination using addition and multiplication of the given single-digit numbers that totals exactly 100 while keeping the same order.
To combine the single-digit numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9 using only addition and multiplication so that they total 100 while keeping the same order, we can form the following expression:
1 + 2 + 3 + 4 + 5 + 6 + 78 + 9
In this expression, we group the numbers 7 and 8 together to form 78. Then, we add all the other numbers from 1 to 6 and the number 9. Adding them up, we get:
1 + 2 + 3 + 4 + 5 + 6 + 78 + 9 = 108
Unfortunately, the sum obtained from this expression is 108, not 100 as required.
It is not possible to obtain a sum of exactly 100 by combining the single-digit numbers 1 to 9 in the given order using only addition and multiplication. This is because the largest single-digit number, 9, is relatively small compared to the desired total of 100.
Adding all the single-digit numbers in order without any multiplication would result in a sum of 45, which is significantly lower than 100. Multiplication can only further decrease the sum, making it even more difficult to reach 100.
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Whats 5 3/8 - 3 3/4 ?
let's convert the mixed fractions to improper fractions and the subtract.
\(\stackrel{mixed}{5\frac{3}{8}}\implies \cfrac{5\cdot 8+3}{8}\implies \stackrel{improper}{\cfrac{43}{8}} ~\hfill \stackrel{mixed}{3\frac{3}{4}}\implies \cfrac{3\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{15}{4}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{43}{8}~~ - ~~\cfrac{15}{4}\implies \cfrac{(1)43~~ - ~~(2)15}{\underset{\textit{using this as the LCD}}{8}}\implies \cfrac{43-30}{8}\implies \cfrac{13}{8}\implies {\Large \begin{array}{llll} 1\frac{5}{8} \end{array}}\)
Suppose you want to save in order to purchase a new boat. Take the APR to be 6.0%.
You want to have $15,000 toward the purchase of a boat in three years. How much do you need to deposit each month? (Round your answer to the nearest cent.)
Answer:
Amount deposit each month = $365.26
Step-by-step explanation:
Given:
Amount deposit = $15,000
Rate = 6% = 6% / 12 = 0.005
Number of time = 3 x 12 = 36
Find:
Amount deposit each month
Computation:
Amount deposit each month = [(15,000) x 0.005]/[(1.005){(1.005)³⁶-1}]
Amount deposit each month = $365.26
The amount needed to be deposited each month is;
P ≈ $393.23
We are given;
APR = 6% = 0.06
Total accumulated amount; A = $15000
number of years; n = 3 years
To calculate the amount needed to be deposited each month, we will use the formula;
A = [P(1 + APR/12)¹²ⁿ - 1)] ÷ (APR/12)
Plugging in the relevant values gives;
15000 = [P(1 + (0.06/12))⁽¹²*³⁾ - 1] ÷ (0.06/12)
Rearrange to get;
[P(1 + (0.06/12))³⁶ - 1] = 15000 × 0.06/12
⇒ [P(1 + 0.005)³⁶ - 1] = 75
⇒ P(0.19073) = 75
⇒ P = 75/0.19073
⇒ P ≈ $393.23
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The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party, and then returned the purchase? This is called a one-time fling. About 10% of all adults deliberately do a one-time fling and feel no guilt about it! In a group of nine adult friends, what is the probability of the following? (Round your answers to three decimal places.)
(a) no one has done a one-time fling
(b) at least one person has done a one-time fling
(c) no more than two people have done a one-time fling
Answer:
At least 0.9, so I think b.
Step-by-step explanation:
Samir invests £350 in a savings account.
He gets 2% per annum compound
interest.
How much money will Samir have in the
account at the end of 3 Years?
\(\\ \sf\dashrightarrow I=\dfrac{PRT}{100}\)
\(\\ \sf\dashrightarrow I=\dfrac{350(2)(3)}{100}\)
\(\\ \sf\dashrightarrow I=\dfrac{2100}{100}\)
\(\\ \sf\dashrightarrow I=21\)
A=21+350=£371PLEASE HELP ASAP
The diagrams show a polygon and the image of the polygon after a transformation.
Use the diagrams to determine which statements are true. Select all statements that are true.
The correct statements regarding the transformations are given as follows:
Parallel lines will always be parallel after a reflection.Lines that are not parallel will never be parallel after a translation.What are transformations on the graph of a function?Examples of transformations are given as follows:
A translation is defined as lateral or vertical movements.A reflection is either over one of the axis on the graph or over a line.A rotation is over a degree measure, either clockwise or counterclockwise.For a dilation, the coordinates of the vertices of the original figure are multiplied by the scale factor, which can either enlarge or reduce the figure.Parallel lines are lines that have the same slope, that is, lines that do not intercept, and the transformations do not change whether the lines are parallel or not.
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I NEED HELP ASAP RHIS IS THE LAST ONE
Answer:
No, there is not enough room.
Step-by-step explanation:
You need to find the volume of the box (L*W*H). In this case you would do 6*5.25*9.5 which is 299.25. The box would have to bigger than the gift (350). \(x\leq 350\), x being the size of the box. Therefore, the answer is no, there's not enough room.
Answer:
No
Step-by-step explanation:
If you add 6ft +5 1/4 and 9 1/4 then you get 83/8 which is not enough room
76. 36 is 25% of what number?
Answer: 25% of 36 is 9.
Ali, Basti and Cian stand at three points A, B and C respectively. Suppose that the measure of angle ABC is 50 degrees , the measure of angle BAC is 60 degrees and Ali is exactly 150 ft away from Basti. Find the distance between Basti and Cian.
The distance between Basti and Cian is approximately 138.2 ft. Option D
To find the distance between Basti and Cian, we can use the Law of Sines, which relates the lengths of sides to the sines of their opposite angles in a triangle.
Let's label the points: A, B, and C. Ali is at point A, Basti is at point B, and Cian is at point C.
Given:
Angle ABC = 50 degrees (angle opposite side AC)
Angle BAC = 60 degrees (angle opposite side BC)
Ali is 150 ft away from Basti (side AB)
We want to find the distance between Basti and Cian, which is side BC.
Using the Law of Sines, we have:
BC/sin(50) = AB/sin(60)
Substituting the known values:
BC/sin(50) = 150/sin(60)
To find BC, we can rearrange the equation:
BC = (150/sin(60)) * sin(50)
Using a calculator to evaluate the expression:
BC ≈ 138.2 ft
Option D is correct.
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