The per cent of fruit juice in the mixture is 28%. The correct option is B.
To determine the percent of fruit juice in the mixture, we need to calculate the total amount of fruit juice in the 6 L of Brand A juice and the 9 L of Brand B juice, and then divide it by the total volume of the mixture.
The amount of fruit juice in 6 L of Brand A juice is:
0.52 x 6 L = 3.12 L
The amount of fruit juice in 9 L of Brand B juice is:
0.12 x 9 L = 1.08 L
The total amount of fruit juice in the mixture is:
3.12 L + 1.08 L = 4.20 L
The total volume of the mixture is:
6 L + 9 L = 15 L
So, the per cent of fruit juice in the mixture is:
(4.20 L / 15 L) x 100% = 28%
Therefore, the correct answer is (B) 28%.
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Use the image to determine the type of transformation shown.
Image of polygon ABCD and a second polygon A prime B prime C prime D prime below.
Reflection across the x-axis
180° counterclockwise rotation
Horizontal translation
Vertical translation
The type of transformation shown is vertical translation. That is option D.
What is Transformation in geometry?Transformation of geometrical figures or points is the manipulation of a given figure to take the same shape but with different direction of its original angles.
Different types of transformations are Rotation, Reflection, Glide reflection, Translation and Dilation.
Given a polygon ABDC.
It is transformed to another polygon with the same size A'B'D'C'.
Here the polygon ABDC is just moved downwards as it is and mark is as A'B'D'C'.
In rotation or reflection transformation, the points will change it's correspondent place.
Translation is a type of transformation where the original figure is shifted from a place to another place without affecting it's size.
Since the shifting is done vertically, it is vertical translation.
Hence the transformation is vertical translation.
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The mean score on the Stats exam was 75 points with a standard deviation of 5 points, and Gregor’s z-score was -3 . How many points did he score?
A. 75
B. 90
C. 65
D. 60
Answer:
The answer is D. 60
Step-by-step explanation:
We can use the formula for calculating z-score to find out how many points Gregor scored on the Stats exam. The z-score formula is:
z = (x - μ) / σ
where x is the raw score, μ is the population mean, and σ is the population standard deviation.
We know that the population mean (μ) is 75 points and the population standard deviation (σ) is 5 points. We also know that Gregor's z-score (z) is -3. Substituting these values into the formula, we get:
-3 = (x - 75) / 5
Simplifying the equation, we get:
-15 = x - 75
Adding 75 to both sides, we get:
x = 60
Therefore, Gregor scored 60 points on the Stats exam. The answer is (D) 60.
1. A limit imposed by the government on the quantity of a good or product that can be brought into the
country is called a
a. tariff
b. quota
c. foreign bill of exchange
I
d. value added tax
2. Which of the following would not be an effective argument for the U.S. to enact trade restrictions?
Oa
a. they shield U. S. workers from competition by cheap foreign labor
b. they may benefit the security and defense of the nation
c. they help the U.S. maintain diverse industries
Od. they make foreign products cheaper to U.S. shoppers
3. What does it mean if a country is on the gold standard?
O
a. it sets the value of its currency in relation to a specific amount of gold
b. it creates specific standards by which gold is made into jewelry
c. it uses gold instead of paper currency
d. none of these
LICAL
jorgo lovel of income is less
please help with this semi circle !! Radius circumference
The radius of the circle is 6 inches and the circumference is 30.84 in
How to find the circumference?For a circle of radius R, the circumference is given by:
C = (pi*R + 2*R)
Where pi = 3.14
For the given semicircle, we can see that the diameter is 12 inches. Then the radius is half of that, we will get.
R = D/2 = 12in/2 = 6 inches.
Now we can replace that in the circumference formula to get.
C = (3.14*6in + 2*6in)
C = 30.84 in
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Which of the following is the graph of the inverse of the function shown below? (1 point)
The graph of the inverse of the function is shown below.
What is an inverse function?In Mathematics, an inverse function simply refers to a type of function that is obtained by reversing the mathematical operation in a given function (f(x)).
From the information provided, we can logically deduce the following ordered pairs from the graph of the parent function:
x, f(x) = {(-2, 5), (-1, 1), (1, 2), (2, 3)}
In order to determine the inverse of this function f(x), we would interchange (swap) both the input value (x) and output value (y) as follows:
Inverse of f(x) = {(5, -2) (1, -1), (2, 1), (2, 3)}
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1. Write the following number in scientific notation: 0.000089
O 89 x 106
8.9 x 105
89 x 10-6
8.9 x 10-5
Answer:
To write the number 0.000089 in scientific notation, we need to move the decimal point to the right until there is only one non-zero digit to the left of the decimal point, and count the number of places we moved the decimal point. In this case, we need to move the decimal point 5 places to the right:
0.000089 = 8.9 × 10^(-5)
Therefore, the number 0.000089 in scientific notation is 8.9 × 10^(-5).
find the measure of each numbered angle:
(Also, can you explain how you got one of the answers just so i know)
Answer:
A. 115
B. 65
C. 115
D. 65
E. 115
F. 665
G. 115
Step-by-step explanation:
a straight line is a 180 degree angle. If one of 2 angles is 65 degrees the other angle will be 115 because 180-65= 115
since both lines on the graph are parallel the angles will be coresponding.
A small sleepy town in California has been losing population since 1993. In 1993 the population was 10500 but it has been decreasing by about 5.2% per year.
If this trend continues, predict the population in 2018. Round your answer to the nearest integer.
The population of the town in 2018 will be 5,040.
To predict the population in 2018, we need to use the following formula:
Population in 2018 = Population in 1993 × (1 - rate of decrease)[tex].^n[/tex]
Here, the population in 1993 is 10,500, the rate of decrease is 5.2% or 0.052 (in decimal form), and the number of years from 1993 to 2018 is 25.
Substituting these values, we get:
Population in 2018 = 10,500 × (1 - 0.052)^25
= 10,500 × 0.480
= 5,040
Rounding this answer to the nearest integer, we get a predicted population of 5,040 in 2018.
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What is the perimeter of square HIJK?
104
-10 -8
-6
-4
K
-2
8
units
6
4
2
0
-2
-4
-6
-8
A
H
lot
6
8
-10
Write your answer as an integer or as a decimal rounded to the nearest tenth.
Perimeter =>
well, we know is a square, so that means all sides are equal, so if we just find one side and multiply it by 4, that's our perimeter, hmmmm let's use the points of K(-2 , 0) and J(3 , 5)
[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ K(\stackrel{x_1}{-2}~,~\stackrel{y_1}{0})\qquad J(\stackrel{x_2}{3}~,~\stackrel{y_2}{5})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ KJ=\sqrt{(~~3 - (-2)~~)^2 + (~~5 - 0~~)^2} \implies KJ=\sqrt{(3 +2)^2 + (5 -0)^2} \\\\\\ KJ=\sqrt{( 5 )^2 + ( 5 )^2} \implies KJ=\sqrt{ 25 + 25 } \implies KJ=\sqrt{ 50 } \\\\[-0.35em] ~\dotfill\\\\ \stackrel{ \textit{\LARGE perimeter} }{4\sqrt{50} ~~ \approx ~~ }\text{\LARGE 28.3}[/tex]
Brenda is a metalsmith who makes custom signs out of different types of metals. She sold 10
signs this week in the following metals:
copper, silver, brass, silver, aluminum, copper, brass, copper, silver, copper
Based on the data, estimate how many of the next 40 signs Brenda sells will be made of
brass.
If necessary, round your answer to the nearest whole number.
Answer:
8
Step-by-step explanation:
Brenda sold 2 brass signs of the 10 signs she sold this week. You want an estimate of the number of brass signs she will sell out of the next 40.
ProportionWe expect the proportion of brass signs to remain the same, so the number (x) of brass signs in the next 40 signs is expected to be ...
x/40 = 2/10
x = 40(2/10) = 8
We estimate Brenda will sell 8 brass signs out of the next 40 signs she sells.
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2. The Party Place also sells edible fruit arrangements. The number of
arrangements sold each day is shown in the list below.
12, 9, 4, 16, 5, 6, 15, 3, 19, 5, 12, 8, 4, 13, 5, 14, 15, 17, 11, 10
A. If a frequency table displays the data in 4 intervals, what are the
intervals that could be used?
First interval: 0-
Second interval: B -18
Third interval:
-
Fourth interval:
161
B. Use your intervals from Part A to complete the frequency table.
Interval
Frequency
C. If you drew a histogram for the data, which interval would be the
tallest bar?
The intervals that could be used based on the information will be:
First interval: 0-3Second interval: 4-7Third interval: 8-11Fourth interval: 12-16How to explain the dataThe frequency distribution will be:
Interval Frequency
0-3. 2
4-7. 6
8-11. 4
12-16 8
Lastly, it should be noted that to work out which bar is the tallest, we must compare the frequencies of all the intervals. In our case here, the interval with a frequency of 8, 12-16, has the highest value and therefore its bar will be the tallest in the histogram.
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-
93 log d +65, where d is the distance, in
The wind speed near the center of a tornado is represented by the equation S
miles, that the tornado travels and S is the wind speed, in miles per hour.
If a tornado traveled 55 miles, what was its wind speed, in miles per hour? Round your answer to the nearest tenth.
Answer: 55/60
Step-by-step explanation:
please help me, quick and right answers only algebra :)
The slope of f(x) is less than the slope of g(x).
How to compare the slopes of the lines?A general linear equation is written as:
y = a*x + b
Where a is the slope and b is the y-intercept.
If we know two points on a line, then the slope is equal to the quotient between the difference of the y-values and the difference of the x-values.
So the slope of f(x) is:
a = (3 - 0)/(0 + 2) = 3/2
And g(x) = (4/5)*x - 2
So here the slope is 4/5
We can see that clearly the slope of g(x) is larger.
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an airplane is climbing 500 feet for every 700 feet it travels. estimat the airplane's climb angle while this is happeing.
The value of airplane's climb angle while this is happening is,
⇒ 35.53 degree
We have to given that;
An airplane is climbing 500 feet for every 700 feet it travels.
Hence, We can formulate;
The value of airplane's climb angle while this is happening is,
⇒ tan x = 500 / 700
⇒ tan x = 0.714
⇒ x = 35.53 degree
Thus, The value of airplane's climb angle while this is happening is,
⇒ 35.53 degree
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Assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation 15. Find the probability that a randomly selected adult has an IQ between 85 and 115. Question content area bottom Part 1 The probability that a randomly selected adult has an IQ between and is enter your response here. (Type an integer or decimal rounded to four decimal places as needed.)
The requried probability that a randomly selected adult has an IQ between 85 and 115 is also 0.6827.
Standardize 85 and 115 using the formula:
z = (x - μ) / σ
where x is the value we want to standardize, μ is the mean, and σ is the standard deviation.
For 85:
z = (85 - 100) / 15 = -1
For 115:
z = (115 - 100) / 15 = 1
So we want to find the probability that a standard normal random variable Z is between -1 and 1. Using a standard normal distribution table or a calculator, we can find that this probability is 0.6827.
Since IQ scores are normally distributed with a mean of 100 and a standard deviation of 15, the probability that a randomly selected adult has an IQ between 85 and 115 is also 0.6827.
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Last one that’s due 200 pts
The concentration (C) in ounces of sugar per ounce of milk will be C = 10/(10/t + 1) + 1
The domain is all real numbers except t = 0.
How to calculate the valueThe concentration (C) in ounces of sugar per ounce of milk will be
C = S/M
C = (10 + 10t)/(10 + t)
C = 10/(10/t + 1) + 1
The concentration after five minutes, will be:
C = 10/(10/5 + 1) + 1
C = 10/3
C ≈ 3.33 ounces of sugar per ounce of milk
The time it takes to reach a concentration of 8 ounces of sugar per ounce of milk, will be:
8 = 10/(10/t + 1) + 1
7 = 10/(10/t)
70/t = 10
t = 7 minutes
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Below is a picture of a Table Runner. The Table Runner has an overall length of 72" and a width of 13", as seen in
the diagram below. What is the total area of the table runner in square inches?
60"
O 858 sq in
036 sq in
O 810 sq in
O 700 sq in
13"
72"
The total area of the table runner is 858 square inches
Given that Table Runner has an overall length of 72" and a width of 13",
Area = length ×width
=60×13
=780 sq in
Area of triangle = 1/2×base ×height
=1/2×13×6
=39
There are two triangles so area is 2(39) = 78
Total area is 936+78
=858 square inches
Hence, the total area of the table runner is 858 square inches
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10/(x-2)=7/(x+2) what is the solution?
Answer:
-34/3
Step-by-step explanation:
I've provided the explanation from my e-board in a picture below
A diameter of a circle has endpoints A(-4,2) and B(3,2). Find the center of the circle, radius, and write an equation for the circle. * 0 points
Mason is ordering a one-topping pizza. He can get either thin crust or hand tossed and can choose from 15 toppings. How many different pizzas can Mason order?
A. 15
B. 17
C. 7
D. 30
Find the slope of the line shown in the graph below.
Answer:
Step-by-step explanation:
Points on line= (-4,5) and (1,2)
use slope formula: M= y2-y1 divided by X2-X1
Filling into the formula: M=2-5 divided by 1+4
M (slope) = -3/5
A teacher has a box of 100 pencils and wants to divide it equally among 25 students what fraction of the box of pencils would each student get
Answer:1/25
Step-by-step explanation:100/25=4. So 1/25 of the box.
[tex]x^{2} -6x=7[/tex]
The solutions to the equation [tex]x^{2}[/tex] - 6x = 7 are x = 7 and x = -1.
To solve the equation [tex]x^{2}[/tex] - 6x = 7, we need to first bring all the terms to one side, so subtracting 7 from both sides gives us [tex]x^{2}[/tex] -6x - 7 = 0.
Next, we can use the quadratic formula, which is x = (-b ± [tex]\sqrt{b^{2}-4ac}[/tex]) / 2a, where a, b, and c are the coefficients of the quadratic equation a[tex]x^{2}[/tex]+bx+c=0.
In this case, a=1, b=-6, and c=-7, so plugging these values into the formula gives us x = (6 ± [tex]\sqrt{6^{2}-4(1)(-7) }[/tex]) / 2(1).
Simplifying further, we get x = (6 ± [tex]\sqrt{64}[/tex]) / 2, which can be written as x = 3 ± [tex]\sqrt{16}[/tex].
Therefore, the solutions to the equation [tex]x^{2}[/tex]-6x=7 are x = 3 + [tex]\sqrt{16}[/tex] = 3 + 4 = 7 and x = 3 - [tex]\sqrt{16}[/tex] = 3 - 4 = -1.
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What is the surface area of the triangular prism?
10 cm
5 cm
5 cm
5 cm
4 cm
The surface area of the triangular prism is 120 sq cm
What is the surface area of the triangular prism?From the question, we have the following parameters that can be used in our computation:
Dimensions = 10 cm 5 cm 5 cm 5 cm and 4 cm
Using the formula of the surface area of the triangular prism, we have
Surface area = bh + (l1 + l2 + l3) * h
Substitute the known values in the above equation, so, we have the following representation
Surface area = 10 * 5 + (5 + 5 + 4) * 5
Evaluate
Surface area = 120
Hence, the surface area is 120 sq cm
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Which shape depicts the cross-section?
O A.
OB.
O C.
D.
The shape generated by the cross-section is a rectangle. So the correct option is D.
Which shape depicts the cross-section?Notice that the cross-section goes through two opposite sides of the cube.
Then the shape that we will get will also be a quadrilateral of parallel sides. Notice that if the plane was parallel to the square, the cross-section would be also a cube, but because it is slanted, one of the sides will be larger, then we will get a rectangle, thus, the correct option is the last one.
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What is the component form of resultant of 4b - 2a?
ā= (6,-2)
b=(-5,2)
Enter your answer by filling in the boxes.
4b- 2a =(_,_)
Answer:
To find the resultant of 4b - 2a, we need to first calculate 4b and -2a separately, and then add them together.
4b = 4(-5, 2) = (-20, 8)
-2a = -2(6, -2) = (-12, 4)
Now, we can add (-20, 8) and (-12, 4) component-wise to find the component form of the resultant:
4b - 2a = (-20, 8) + (-12, 4) = (-20 - 12, 8 + 4) = (-32, 12)
Therefore, the component form of the resultant of 4b - 2a is (-32, 12).
Answer: (-32, 12)
Step-by-step explanation: I took the test.
Given:
a = (6, -2)
b = (-5, 2)
4b = 4( -5, 2) = ( -20, 8)
-2a = -2( 6, -2) = ( -12, 4)
(-20, 8)
( -12, 4)
+______
(-32, 12)
Can you solve this for me please
The possible values of a are:
(i) A unique solution: a such that a² ≠ 5
(ii) Infinitely many solutions: a such that a² = 5
(iii) No solution: for all other values of a.
How to determine linear system?To solve this system of linear equations, use Gaussian elimination to reduce the augmented matrix to row echelon form. Then, examine the resulting matrix to determine the number of solutions.
The augmented matrix for the system is:
[1 2 -3 | 4 ]
[3 -1 5 | 2 ]
[4 1 a²-14 | a+2]
Using row operations, transform the matrix as follows:
[1 2 -3 | 4 ]
[0 -7 14 | -10]
[0 -7 a²-2 | a-6]
The third row is a linear combination of the first two rows, so we can eliminate it. This gives us:
[1 2 -3 | 4 ]
[0 -7 14 | -10]
Further simplify this matrix by dividing the second row by -7:
[1 2 -3 | 4 ]
[0 1 -2 | 10/7]
Use back-substitution to solve for the variables, start with the second row:
y - 2z = 10/7
Rearranging this equation:
y = 2z + 10/7
Substituting this into the first row:
x + 2(2z+10/7) - 3z = 4
Simplifying this equation:
x + (4/7)z = 18/7
So, the solution to the system is:
x = (18/7) - (4/7)z
y = 2z + 10/7
z is free
Now, examine the possible values of a:
(i) A unique solution: If the system has a unique solution, then there can be no free variables. From our solution above, we see that z is a free variable. Therefore, the system can have a unique solution only if a is such that the third row in the original augmented matrix does not reduce to a multiple of the first two rows. This is equivalent to the condition -7 ≠ a² - 2, or a² ≠ 5.
(ii) Infinitely many solutions: If the system has infinitely many solutions, then there must be at least one free variable. From our solution above, we see that z is a free variable. Therefore, the system can have infinitely many solutions for all values of a such that a² = 5.
(iii) No solution: If the system has no solution, then there must be a row in the reduced row echelon form that has all zeros except in the last column. However, our reduced matrix does not have this form. Therefore, the system has no solution for any value of a.
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Mei Mei bought 15 chicken wings for $28.50. If Mei Mei spent $34.20, how many chicken wings did she buy?
Answer:18 wings
Step-by-step explanation: 28.50 divided by 15 is 1.9 so if you do 1.9 x 18 you get 34.2
Answer:
18 wings
Step-by-step explanation:
Use a proportion.
15/$28.5 = x/$34.2
28.5x = 15 × 34.2
28.5x = 513
x = 18
Answer: 18 wings
Triangle ABC was dilated with the origin as the center of dilation to create triangle A'B'C'. Write the rule that best represents the dilation that was applied to triangle ABC to create triangle A'B'C'. -10-9-S A B C
The rule of dilation is a dilation by a scale factor of 2
Determining the rule of dilationFrom the question, we have the following parameters that can be used in our computation:
ABC with vertices at A(1, 1)A'B'C' with vertices at A'(2, 2)The scale factor is calculated as
Scale factor = A'/A
Substitute the known values in the above equation, so, we have the following representation
Scale factor = (2, 2)/(1, 1)
Evaluate
Scale factor = 2
Hence, the rule of dilation is (2x, 2y)
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It asks me to write a fraction as a mixed number. If I have 20/10, what is the mixed number?