Answer:
(x-6y)(x-4y)
Step-by-step explanation:
One third of a number less than nine equal to seven
Explain how to find the constant of proportionality for the ratio of robins to cardinals.
The constant of proportionality will be 3.
The complete question ks given below:-
Explain how to find the constant of proportionality for the ratio of robins to cardinals. A 2-column table with 4 rows. Column1 is labelled Cardinals with entries 5, 6, 9, and 10. Column 2 is labelled Robins with entries 15, 18, 27, and 30.
What is the ratio?In mathematics, ratios are used to determine the relationship between two numbers it indicates how many times is one number to another number.
Given data will be arranged as follows:-
robins 15, 18, 27, 30.
cardinals 5, 6, 9, 10.
The constant of proportionality will be calculated by taking a ratio of the data:-
[tex]\dfrac{Cardinals}{Robins} =\dfrac{15}{5}=\dfrac{18}{6}=\dfrac{27}{9}=\dfrac{30}{10}=3[/tex]
Therefore the constant of proportionality will be 3.
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Evaluate.
4^3 + 8^2 = ??
Answer: 128
Step-by-step explanation:
[tex]4^3 = 4*4*4 = 16*4 = 64[/tex]
[tex]8^2 = 8*8 = 64[/tex]
[tex]64+64 = 128[/tex]
Which statement is true about the information in the double line graph?
A. The number of customers at 12:00 was less on Friday than Saturday.
B. There were more customers on Saturday than Friday.
C. The number of customers was less Saturday than Friday at 10:00 a.m. because many customers slept later.
D. The highest number of customers on both days was at 12:00 p.m.
Answer:
the answer is d as 38 31 which are highest
Step-by-step explanation:
a is false as 38>31 which is on Saturday
b is false as Saturday customers were less we can infer from the last three on Friday
c false as Saturday was 12 people and Friday 6 people
the distance time graph represents a journey made by jo at the speed was jo walking for the first 15 minutes
The speed that Jo walked for the first 15 minutes is; 6 km/hr
How to Interpret Distance Time Graphs?The distance - time graph is missing and so i have attached it.
Now, the formula for speed is;
Speed = Distance/time
The distance after 15 minutes from the graph is 1.5km.
Now, 15 minutes when converted to hours is 15/60 = ¹/₄ hr
Thus, the speed that Jo walked for the first 15 minutes is;
Speed = 1.5/(¹/₄)
Speed = 6 km/hr
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PLEASE HELP ME WITH THIS ASAP
After covering 4/5 of the journey, James found that he has traveled 48 km. How much of the journey is still left?
Answer:
12 km
Step-by-step explanation:
Let the total distance to be traveled = x
[tex]\sf \dfrac{4}{5} \ of \ the \ journey = 48\\\\[/tex]
[tex]\sf \dfrac{4}{5}*x = 48\\\\[/tex]
[tex]x = 48*\dfrac{5}{4}[/tex]
= 12 * 5
x = 60 Km
Distance still to traveled = 60 - 48 = 12Km
please I need the answer :-)
Answer:
Step-by-step explanation:
PLEASE HELP ANSWER MY QUESTION ASAP!
[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]
[tex]\qquad \tt \rightarrow \: a_{33} = 1\degree[/tex]
____________________________________
[tex] \large \tt Solution \: : [/tex]
In a matrix, [tex] \sf a_{ij} [/tex] represents an element in " i " th row and " j " th column.
Henceforth, element [tex] \sf a_{33} [/tex] represents element in 3rd row and 3rd column.
[tex]\qquad \tt \rightarrow \:a_{33} = 1[/tex]
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Is 50.2 a rational or an irrational number, why?
Answer:
Rational.
Step-by-step explanation:
[tex]\textbf{A rational number is a real number that can be expressed as}~ \dfrac{p}{q},\\\\\textbf{where}~ p~ \textbf{and}~ q~ \textbf{are integers.}\\\\ \boxed{50.2 = \dfrac{502}{10}}\\\\ \textbf{50.2 can be expressed as a ratio of two integers,}~ \textbf{so it is a rational number.}[/tex]
Which of the lines below is a line of symmetry?
O A. Red
•
B. Yellow
C. Neither
• D. Both
Both the Red and Yellow lines are lines of symmetry, Option D is correct.
What is Coordinate system?A coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements on a manifold such as Euclidean space.
Lines of symmetry in a figure are lines that divide the figure into equal parts.
The given figure is a square as we observe the four sides are equal in the given shape.
In a square, there are four lines of symmetry, each of which divides it into two identical parts.
The symmetry lines of a square are both its diagonals and the lines joining the midpoints of its opposite sides (bisectors).
In the given Figure, the Red lines cuts the shape into 2 equal halves vertically and the Yellow line cuts the shape into 2 equal halves diagonally.
Hence, both the Red and Yellow lines are lines of symmetry, Option D is correct.
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Consider a quadrilateral with vertices A(2,2) , B(2,5) , C(7,2), and D(7,5). What is the shape and area of quadrilateral ABCD
Answer:
Shape is rectangle
Area of rectangle = length * width
= 5 * 3
= 15 units²
Write an expression for the area of the trapezium below.
Expand any brackets and fully simplify your answer.
Several paint mixtures are made by mixing blue paint and white paint. Paint Colors Blue Paint White Paint Mixture A 5 cups 12 cups Mixture B 6 cups 6 cups Mixture C 4 cups 12 cups Mixture D 5 cups 6 cups Which mixture has the highest ratio of blue paint to white paint? mixture A mixture B mixture C mixture D
The correct answer is option B which is mixture B will have the highest ratio of blue paint.
What is a ratio?In mathematics, ratios are used to determine the relationship between two numbers it indicates how many times is one number to another number.
The given ratios are:-
Mixture A = [tex]\dfrac{5}{12} = 0.41[/tex]
Mixture B = [tex]\dfrac{6}{6}= 1[/tex]
Mixture C = [tex]\dfrac{4}{12}= 0.33[/tex]
Mixture B = [tex]\dfrac{5}{6}=0.83[/tex]
Here the ratio of mixture B is the highest among all the options available.
Therefore the correct answer is option B which is mixture B will have the highest ratio of blue paint.
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Where would 8.46 be located on a number line?
8.46 be located between 8.45 and 8.47 on a number line.
What is the number line?A number line is a horizontal line that has equally unfolded range increments. The numbers protected on the line will determine how the wide variety on the road may be responded to. The query that goes with the wide variety determines how it will likely be used, as an instance, in plotting a point.
What is a number line example?Numbers on various lines include all sets of numbers namely natural and complete numbers. An instance of a fixed of entire numbers is:(0, 1, 2, 3,5,6 …….) while the natural numbers consist of:1, 2, 3, four, five, 6…. a number of lines consists of 3 basic elements. within the center, the starting place is commonly plotted with 0.
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A 10 ft slide will be installed on a playground. The top of the slide will be 8 ft above the ground.
What angle does the slide make with the ground?
Enter your answer in the box. Round your final answer to the nearest degree.
Answer
12
Step-by-step explanation:
What is the median of the following data set?
(3, 4, 2, 8, 5)
02
03
04
06
Answer:
4
Step-by-step explanation:
The median is the middle number when the list is sorted from least to greatest or greatest to least.
We make this list to get 2,3,4,5,8 or 8,5,4,3,2 and the middle number in both lists is 4.
When is the best time to round a number in a multi-step problem?
Answer:
At the end of the multi step problem
Circle o has a circumference of 28.3 cm. What is the length of the radius r?
100 points helpppp now
Solve the inequality hurrry show your work
33+6f<33
[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]
[tex]\qquad \tt \rightarrow \:f < 0 [/tex]
____________________________________
[tex] \large \tt Solution \: : [/tex]
[tex]\qquad \tt \rightarrow \: 33 + 6f < 33[/tex]
[ subtract 33 on both sides ]
[tex]\qquad \tt \rightarrow \: 33 - 33+ 6f < 33 - 33[/tex]
[tex]\qquad \tt \rightarrow \: 6f < 0[/tex]
[tex]\qquad \tt \rightarrow \: f < 0[/tex]
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
C
7 cm
D
What is the sum of the areas of circle C and circle D?
O 7π units²
O 14π units²
O49π units²
O 98π units²
Answer:
[tex]98 \pi \:\: \sf units^2[/tex]
Step-by-step explanation:
[tex]\textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}[/tex]
From inspection of the given diagram, circle C and circle D both have a radius of 7 cm.
Therefore:
[tex]\implies \textsf{Area of circle C}=\pi (7)^2=49 \pi \:\: \sf cm^2[/tex]
[tex]\implies \textsf{Area of circle D}=\pi (7)^2=49 \pi \:\: \sf cm^2[/tex]
Therefore, the sum of the areas of circle and circle D is:
[tex]\implies \textsf{Area of circle C}+\textsf{Area of circle D}=49 \pi + 49 \pi = 98 \pi \:\: \sf cm^2[/tex]
The sum of the areas of the circles is 98π units².
The correct option is D.
What is a circle?A circle is a closed, two-dimensional object where every point in the plane is equally spaced from a central point. The line of reflection symmetry is formed by all lines that traverse the circle.
And the general formula of the circle,
(x – h)²+ (y - k)² = r²,
where (h, k) is the center and r is the radius of the circle.
The formula for the area of a circle is A=πr², where A is the area and r is the radius.
For circle C, the radius is 7, so its area is A_C = π(7)² = 49π units².
For circle D, the radius is also 7, so its area is A_D = π(7)² = 49π units².
The sum of the areas is therefore:
A_C + A_D = 49π + 49π = 98π units²
Therefore, the answer is (D) 98π units².
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Mr. Lopez fruit salad recipe requires 3/4 of a cup of fresh peaches for 1 serving. He uses 9 cups of fresh peaches to prepare the salad. How many servings of the fruit salad did he prepare?
Answer:
6.75 servings
Step-by-step explanation:
[tex] \frac{3}{4} \times 9 = \frac{27}{4} = 6 \frac{3}{4} = 6.75[/tex]
Answer:
9 servings
Step-by-step explanation:
feel free to ask where you don't understand.
What is the vertex of the graph of the function below?
y=x² + 4x-6
A. (2,0)
B. (-2,6)
C. (-2,-10)
D. (2,6)
Study the table.
x
y
–2
8
–1
2
0
0
1
2
2
8
Which best describes the function represented by the data in the table?
linear with a common ratio of 4
linear with a common second difference of 4
quadratic with a common ratio of 4
quadratic with a common second difference of 4
Answer:
quadratic with a common second difference of 4
Step-by-step explanation:
quadratic equations: Quadratic equations are the polynomial equations of degree 2 example - a[tex]x^2\\[/tex]+ b[tex]x[/tex] + c = 0.
[tex]\begin{array}{cc}x&y\\-2&8\\-1&2\\0&0\\1&2\\2&8\end{array}\right][/tex]
from the table it is clear that,
function is y = 2[tex]x^2\\[/tex]
so the function is not linear as the equation specifies.
formula to find second difference of a quadratic equation:
f(x + 2) - 2f(x + 1) + f(x)
therefore;
[tex]2(x+2)^2[/tex] - [tex]4(x+1)^2[/tex] + [tex]2x^2[/tex]
[tex]2(x^2 + 4x + 4) - 4(x^2 + 2x+ 1 ) + 2x^2[/tex]
[tex]2x^2 + 8x + 8 - 4x^2 - 8x - 4 + 2x^2[/tex]
[tex]4x^2 - 4x^2 + 8x - 8x +8 - 4[/tex]
4
therefore, the answer is quadratic with a common second difference of 4
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The diameter of a circle is 62cm
by first calculating the radius work out the area of the circle
give your answer in cm² to 1.d.p
A fountain sprays water into a pool as part of the filtration system. The projected path of water is modeled by the function given in the table, where x represents the time in seconds since the water left the fountain and f(x) represents the height in feet above the pool’s water line.
How many seconds does the water travel through the air?
–6
1.5
3
5
The water travels in 3 seconds.
The correct option is (C).
what is function?
An expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
Given information-
x 0 1 2 3 4 5
f(x) 1.5 2 1. 5 0 -2.5 -6
The image of table attached below.
Here, x represents the time (sec) and f(x) represent the height in feet above the pool’s water line.
From the table,
The height of the water started with 1.5 ft above.After one second the water height reached to the 2 feet above.After two seconds the water height reached to the 1.5 feet above.In 3rd second the water height comes down at the pool's water line.Hence, the water travel through the air for the 3 seconds.
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Let a and b be real numbers where a b 0. Which of the following functions could represent the graph below?
1f(x) = x(x-a)²(x - b)4
2f(x) = x(x - a)³(x- b)²
3f(x) = x²(x-a)(x- b)²
4f(x) = x²(x-a)5(x- b)
The polynomial function that could represent the graph is f(x) = x²(x - a)(x - b)² with four turning points
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
The maximum number of turning points of a polynomial function is always one less than the degree of the function.
Hence the polynomial represented by the graph is of degree 5 since it has 4 turning points. The polynomial function that could represent the graph is f(x) = x²(x - a)(x - b)²
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What value represents the vertical translation from the graph of the parent function f(x)=x² to the graph of the function
g(x)=(x+5)²+3?
Answer: 3
Reason:
Going from x^2 to (x+5)^2 means we shift the graph 5 units to the left.
The +3 at the end shifts the parabola up 3 units. This is because we add 3 to each y value. For instance a point like (0,25) moves to (0,28)
Calculate the difference in the proportion of males and the proportion of females that smoke. Give your answer to 2 decimal places
The difference in the proportion of males and the proportion of females that smoke is 0.08
Missing informationIn a sample of 61 males, 15 smoke, while in a sample of 48 females, 8 smoke.
How to determine the proportion difference?The given parameters are:
Male Female
Sample 61 48
Smokers 15 8
The proportion is calculated using:
p = Smoker/Sample
So, we have:
Male = 15/61 = 0.25
Female = 8/48 = 0.17
The difference is then calculated as:
Difference = 0.25 - 0.17
Evaluate
Difference = 0.08
Hence, the difference in the proportion of males and the proportion of females that smoke is 0.08
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Which statements are true about the linear inequality y > three-fourthsx – 2? select three options.
The statement that is true about the linear inequality of y > 3/4x - 2 is that the graph intercepts the y-axis at (0, -2).
What is linear inequality?Linear inequality is defined as the comparison of two values using greater than, less than, greater than or equal to, and less than or equal to.
Using the general formula for linear inequality,
y >mx+ b
y > 3/4x - 2
Where m = slope of the graph
b = interception at y axis
Therefore, the statement that is true about the linear inequality of y > 3/4x - 2 is that the graph intercepts the y-axis at (0, -2).
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