Given,
The population of the county in 2000 is 844.
The population of the county in 2009 is 856.
The population of the county in 2015 is 810.
Here, the population of 2000 and 2009 is given.
As known, the value changes linearly between two points.
When the value changes linearly between two points, then value of point between given points can be obtained by interpolation.
Hence, to predict the population of county interpolation is used.
Share N250,ooo in The ratio 7:3
Answer:
\(\huge\boxed{7 parts=175000}\)
\(\huge\boxed{3parts=75000}\)
Step-by-step explanation:
The first step in sharing 250,000 in the ratio of 7:3 is to work out the total number of parts. To do this you would add 7 to 3, which gives you 10. This is because you can imagine there being 7 and 3 equally sized rectangles with the same amount contained within each of them. In total there will be 10 rectangles.
The next step is to work out the value of each part of the ratio. This can be done by dividing 250,000 by 10, this gives you 25,000. This is because you are sharing the total of 250,000 among the 10 equal parts.
To work out the value of 7 parts you would need to multiply 7 by the value of one part, which is 25000. This gives you 175,000.
To work out the value of 3 parts you need to multiply 3 by the value of one part, which is 25000. This gives you 75,000.
1) Add 7 to 3.
\(7+3=10\)
2) Divide 250,000 by 10.
\(\frac{250000}{10}=25000\)
3) Multiply 25,000 by 7.
\(25000*7=175000\)
4) Multiply 25,000 by 3.
\(25000*3=75000\)
p^q is logically equivalent to
The logically equivalent statement to p → q is:
~q → ~p
How to find the logically equivalent statement?The conditional statement:
p → q
Assuming p and q are propositions, the conditional statement may be expressed as:
"If p holds true, then q follows suit. "
'
Whenever p is true, q is true as well. This implies that if q is false, then p must also be false.
We can rephrase this statement cleverly using the negative propositions, which include the opposite or contradictory statements.
~p and ~q
These mean:
Not p and Not q respectively.
Then the statement:
"If q is not true, then p is not true"
Is written as:
~q → ~p
So this is the logically equivalent statement.
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The Complete Question
Given a conditional statement p → q, which statement is logically equivalent?
~p → ~q
~q → ~p
q → p
p → ~q
Factor completely 24x²y2 - 3x²y.
О 3x2y(8у - 1)
О 3ху(8ху - x)
O 3x2(8y2 - y)
О 3У(8х2у - х2)
Answer:
3x²y(8y - 1)
Step-by-step explanation:
yw;)
NEED HELP NOW IM SUPPOSED TO TURN THIS IN TODAY!! :)) TYYYY
Answer:
it will be 88
Step-by-step explanation:
so you multiply your numbers to get your area so it will be 5×8=40 and 12×4=48 so now you add them up wich will be 88 so that's your answer
Answer:
550.
Step-by-step explanation:
I used an area equation that is equal to (x/2*5*y/2*5), x and y being the sides.
DR=8/2*5*5/2*5=250
K=12/2*5*4/2*5=40=300
We can add these together to get 550.
What is the solution the equation 1/4x +2= -5/8x-5
Answer:
-8
Step-by-step explanation:
I've taken a picture of the way I solved the equation.
-8(x+-7)=80
x=?
yeshsfhdthgff
Answer:
x = -3
Step-by-step explanation:
-8(x + -7) = 80
Multiplication signs rule:
+ * - = -
- * - = +
Then:
-8(x - 7) = 80
-8*x -8*-7 = 80
-8x + 56 = 80
-8x = 80 - 56
-8x = 24
x = 24/-8
x = -3
Check:
-8(-3-7) = 80
-8(-10) = 80
A 4-column table with 4 rows titled Population Data. Column 1 has entries 4, 5, 9, 15. Column 2 has entries 8, 2, 20, 1. Column 3 has entries 6, 9, 10, 8. Column 4 has entries 10, 8, 1, 2.
If Serena selects 4 samples from the table, which row will give her largest mean?
Which row will give her the smallest mean?
The actual population mean will be between
.
Answer:
row 3
row 2
6 and 10
Answer:
The answers are 1( row 3 ) 2( row 2 ) 3( 6 and 10 )
Step-by-step explanation:
I got it right on edge and also the person above me is correct have a wonderful day. (✿◠‿◠)
I NEED HELP PLEASE!!!!!!!!!!!!!
Examine the following piecewise function.
Which statements are true?
Select all that apply.
The statements that are true include the following:
A. the function is increasing over the interval -8 ≤ x ≤ -2.
B. the function is constant over the interval -2 ≤ x ≤ 2.
A. the function is decreasing over the interval 3 ≤ x ≤ 7.
What is a piecewise-defined function?In Mathematics, a piecewise-defined function can be defined as a type of function that is defined by two (2) or more mathematical expressions over a specific domain.
Generally speaking, the domain of any piecewise-defined function simply refers to the union of all of its sub-domains. By critically observing the graph of the given piecewise-defined function, we can reasonably infer and logically deduce that it is constant over the interval -2 ≤ x ≤ 2, increasing over the interval -8 ≤ x ≤ -2, and decreasing over the interval 3 ≤ x ≤ 7.
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The sum of four and seven times a number is -31. What is the number?
Answer:
The number is -5
Step-by-step explanation:
Let x be the number
Write it out as an algebraic expression: 7x + 4 = -31Subtract 4 from each side, so it now looks like this: 7x = -35Divide each side by 7 to cancel out the 7 next to x. It should now look like this: x = -5I hope this helps!
Answer:
The number is -1.107142857142857
Step-by-step explanation:
I just used a calculator
Function g is nonlinear and g(4) = 6. Which graph could represent function g?
The third graph represents the function g which is nonlinear and g(4) = 6.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
Given that Function g is nonlinear and g(4) = 6.
A relation is a function if it has only one y-value for each x-value.
g(4) = 6.
The 4 is the input value and 6 is the output value.
(4, 6) is the ordered pair of the function g
Let us check the ordered pair (4, 6) which matches the graph.
The graph where a point touches at x = 4 and y =6 is the required graph
Hence, the third graph represents the function g which is nonlinear and g(4) = 6.
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During a science experiment,Jose used a different amount it water to grow seedlings and then measured their growth.Plant A got the most and grew 1 3/4 inches.Plant B got the least amount of water and grew -1/4 inches. plant C got medium amount of water and grew 2/3 inches.what was the total growth for all three inches. Show work plz ☹️
Answer:
\(\frac{13}{6}\)inches
Step-by-step explanation:
Given parameters:
Growth of A = \(1\frac{3}{4}\) inches
Growth of B = \(-\frac{1}{4}\) inches
Growth of C = \(\frac{2}{3}\) inches
Unknown:
Total growth for the three trees = ?
Solution:
The total growth;
Total growth = Growth of A + Growth of B + Growth of C
Total growth = \(\frac{7}{4}\) + (\(-\frac{1}{4}\) ) + \(\frac{2}{3}\)
Total growth = \(\frac{21 - 3 + 8}{12}\)
Total growth = \(\frac{26}{12}\) = \(\frac{13}{6}\)inches
For the dashed graph, describe the key features.
Maxima or Minima?……..
Number of solutions:………..
Solution(s)?…………
The width is Wider? Or Narrower?
than the graph of f(x)? (solid).
The key features of the dashed graph are
Minima at (4, 3)No solution andWidth is narrower than graph of f(x)What is a graph?A graph is a pictorial representation of a function
To describe the key features of the dashed graph, we proceed as follows.
First, we notice that the dashed graph has a lowest point or vertex. This is at (4, 3). So, this is its minima at (4,3).Also, the dashed graph does not cut the x-axis, so, it has no solutionFinally, we can see that the dashed graph is narrower than the other undashed graphedSo, the key features of the dashed graph are
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Which expression is equivalent to Cosine (StartFraction pi Over 12 EndFraction) cosine (StartFraction 5 pi Over 12 EndFraction) + sine (StartFraction pi Over 12 EndFraction) sine (StartFraction 5 pi Over 12 EndFraction)?
Answer:
A. cos( \(-\frac{\pi}{3}\))
Step-by-step explanation:
Typed the all the expressions into desmos and picked the ones that matched
The expression cos (π/12)cos(5π/12) + sin (π/12)sin(5π/12) is equivalent to expression cos( π/3).
What is a Trigonometric Ratios?Trigonometric Ratios are ratios of the side of a right angled triangle. These are used to find the missing sides and angles of a right angled triangle.
The trigonometric expression is
⇒cos (π/12)cos(5π/12) + sin (π/12)sin(5π/12)
The trigonometric formula of cos (x-y) = cosx cosy +sinx siny
Here x = π/12 and y = 5π/12
cos (π/12)cos(5π/12) + sin (π/12)sin(5π/12) = cos ( π/12 - 5π/12)
=cos( -π/3)
= cos( π/3)
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Which data set is represented by the modified box plot?
Box and whisker plot on a number line from 90 to 160 in increments of 5. The whisker ranges from 100 to 126. The box ranges from 109 to 124 with the vertical bar inside the box at 117. One dot mark above one hundred and fifty-one.
Responses
116, 118, 114, 117, 151, 126, 122, 114, 124
116, 118, 104, 117, 151, 136, 142, 104, 124
106, 108, 104, 107, 151, 126, 132, 104, 124
100, 104, 114, 116, 117, 118, 122, 126, 151
Answer:
The data set represented by the modified box plot is:
116, 118, 114, 117, 151, 126, 122, 114, 124
Step-by-step explanation:
There are 52 cards in a deck. Each card contains a letter or a number. Theo selects a card at random, records the letter or number, and puts the card back in the deck. The results of his first six trials are: 5, Ace, 2, 8, Queen, and 9. Using Theo's results, how many number cards will he select in 24 trials?
=======================================================
Explanation:
A = ace
Q = queen
Theo's results are: 5, A, 2, 8, Q, 9
He got four numbers (5,2,8,9) out of 6 cards total. The empirical probability of getting a number is 4/6 = 2/3. Multiply this with the 24 trials to get (2/3)*24 = 48/3 = 16.
We expect Theo to get roughly 16 numbers if he conducted 24 trials. This is not guaranteed because of the nature of the random process. Though it should be fairly close to 16 assuming that we stick with that empirical probability (i.e. the amount of number cards is roughly 2/3 of the deck).
Use the ALEKS calculator to evaluate each expression.
Round your answers to the nearest thousandth.
Do not round any intermediate computations.
log√7 =
Log 23/6=
Exponential growth is a type of growth that occurs when the rate of increase is proportional to the current amount.
Logarithmic evaluationLog√7 = 1.659Log 23/6 = 0.862It is a rapid increase in the quantity of something over a period of time. Exponential growth can be seen in populations, investments, and other areas.It is characterized by a doubling or tripling of the original amount within a specified period of time.This type of growth is often caused by compounding, where gains from one period are reinvested in the next period, leading to a rapid increase in the overall amount.Exponential growth is often seen in the early stage of a business, when it is experiencing rapid growth due to investments or other factors.However, exponential growth can also lead to rapid decline if not managed properly.This is called logarithmic evaluation, which involves using logarithms to simplify complex expressions.To learn more about logarithmic evaluation refer to:
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i need help on these please
The cost of gas is proportional to the volume of gas because a constant rate of $3.15 to 1 gallon of gas.
How to calculate the constant rate of gas?From the given table;
The volume of the first gas Layla bought = 3 gallons.
The cost of the 3 gallons = 9.45
Therefore the cost of 1 gallon = ?
That is:
3 gallons = $9.45
1 gallon = X
Make X the subject of formula:
X = 9.45/3 = $3.15
Therefore, the cost of 11 gallons of gas would be = 11×3.15 = $34.65. This is because the cost of 1 gallon would be = $3.15.
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Employee c is paid an hourly rate of 13.25 per hour and works 2,080 hours per year. The employee was just promoted and received a 15% raise. What is the new yearly salary
The new yearly salary will be $31,694.
What is mean by Percentage?A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.
Given that;
Employee c is paid an hourly rate of 13.25 per hour and works 2,080 hours per year.
And, The employee was just promoted and received a 15% raise.
Now,
Since, Employee c is paid an hourly rate of 13.25 per hour and works 2,080 hours per year.
And, The employee was just promoted and received a 15% raise.
Hence, The salary for 13.25 hours = 13.25 × 2080
= $27,560
And, The employee was just promoted and received a 15% raise.
Hence, The new salary = $27,560 + 15% of 27,560
= 27,560 + 4134
= $31,694
Thus, The new salary = $31,694
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M/6-7=2/3 pls help plssssd
Step-by-step explanation:
M/6-7=2/3
M/6=2/3+7
M=23/3×6
M=23×2=46
3 A farmer's horses drink from a rectangular water tank with dimensions shown.
2 4/5 ft
2 2/5 * ft
2 1/2 * 1
5 3/5 * ft
4 4/5 ft
When the farmer refills the tank, it takes the horses 4 days to drink all the water. The farmer wants to build a new, larger tank and plans to increase each measurement of the tank by 25%.
Section 3
By what percentage will the amount of water the farmer can put in the tank increase when the larger tank is built?
Explain how you found your answers.
Enter your answers and your explanation in the space provided.
How many days will it take the horses to drink all the water in the larger tank?
The amount of water the farmer can put in the tank increase when the larger tank is built is 106.33%.It takes 4days for the horses to drink all the water in the larger tank.
What is percentage?Percentage is a way of expressing a proportion or a fraction out of 100. It represents the number of parts per hundred of a quantity.
What does dimension refers to?Dimension refers to a measurable aspect of an object or a system, such as length, width, height, depth, volume, area, or mass. In mathematics, dimension also refers to the number of coordinates required to specify a point in a space. For example, a two-dimensional shape like a square has two dimensions, length and width, while a three-dimensional object like a cube has three dimensions, length, width, and height.
To find the percentage increase in the amount of water the farmer can put in the larger tank, we need to calculate the volume of the original tank and the volume of the larger tank, and then compare the two.
The original tank has dimensions of 2 4/5 ft, 2 2/5 ft, and 2 1/2 ft. We can convert these mixed numbers to improper fractions for easier calculations:
2 4/5 ft = (2 x 5 + 4)/5 ft = 14/5 ft
2 2/5 ft = (2 x 5 + 2)/5 ft = 12/5 ft
2 1/2 ft = (2 x 2 + 1)/2 ft = 5/2 ft
The volume of the original tank is then:
Volume = Length x Width x Height = 14/5 ft x 12/5 ft x 5/2 ft
Now, the farmer plans to increase measurement by 25%. To do this, we multiply each measurement by 1.25.
The dimensions of the larger tank would be:
Length = 14/5 ft x 1.25 = 3.5 ft
Width = 12/5 ft x 1.25 = 3 ft
Height = 5/2 ft x 1.25 = 3.125 ft
The volume of the larger tank is then:
Volume = Length x Width x Height = 3.5 ft x 3 ft x 3.125 ft
To find the percentage increase, we can compare the two volumes:
Percentage increase = ((Volume of larger tank - Volume of original tank) / Volume of original tank) x 100
Plugging in the values we found:
Percentage increase = ((3.5 ft x 3 ft x 3.125 ft - 14/5 ft x 12/5 ft x 5/2 ft) / (14/5 ft x 12/5 ft x 5/2 ft)) x 100
After calculating the above expression, we find that the percentage increase is approximately 106.33%. So, the amount of water the farmer can put in the larger tank will increase by approximately 106.33% when the larger tank is built.
Now, to find how many days it will take the horses to drink all the water in the larger tank, we can assume that the rate at which the horses drink water remains constant. Since the volume of the larger tank is approximately 106.33% more than the original tank, it will take the horses approximately the same amount of time to drink all the water in the larger tank, which is 4 days.
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7. Solve for b.
b
26°
Answer:
64°
Step-by-step explanation:
We know that a right angle is 90°
so we do 90° - 26° = 64°
Malinda took a bag of apples on her trip to mars. The apples weighed 5 pounds on earth. How much will the bag of apples weigh on mats?
The bag of apples weighs 1.89 pounds on Mars.
What is multiplication?Multiplication is a mathematical arithmetic operation. It is also a process of adding the same types of expression for some number of times.
Example - 2 × 3 means 2 is added three times, or 3 is added 2 times.
Given:
Malinda took a bag of apples on her trip to Mars.
The apples weighed 5 pounds on earth.
The formula is Weight on Mars,
= (Weight on Earth/9.81 m/s²) x 3.711 m/s²
= (5 / 9.81) x 3.711
= 1.89 pounds.
Therefore, the apple weighs 1.89 pounds on Mars.
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a store sells different flavors of fudge candy Mary spends $18.20 on 3 1/2 pounds of peanut butter fudge what is the rate in dollars per pound for the fudge that mary bought?
Answer:
$5.20 per pound
Step-by-step explanation:
$18.20 / 3.5 pounds = $5.20 / pound
△ABC is mapped to △A′B′C′ using each of the given rules.
Which rules would result in △ABC being congruent to or not congruent to △A′B′C′?
Answer:
The image is not loading!!
Step-by-step explanation:
Re-upload the question so maybe I can see it.
Answer:
Congruent:
(x,y) —> (-x, -y)
(x,y) —> (x+5, y)
(x,y) —> (x, -y)
Not congruent:
(x, y) —> (5x, 5y)
(x, y) —> (0.5x, 0.5y)
Step-by-step explanation:
I hope this helps.
Simplify:
2
(
3
x
)
+
(
x
+
10
)
2(3x)+(x+10)
Answer:
7x+10
Step-by-step explanation:
2x(3x)+1x(x+10)
6x+1x+10
7x+10
4x(x + 1) − (3x − 8)(x + 4)
The simplified form of the expression 4x(x + 1) − (3x − 8)(x + 4) is -3x^2 - 4x - 32.
To simplify the expression 4x(x + 1) − (3x − 8)(x + 4), we can expand the parentheses and combine like terms.
Expanding the first term, we get 4x^2 + 4x.
Expanding the second term, we have -(3x)(x) - (3x)(4) - (-8)(x) - (-8)(4), which simplifies to -3x^2 - 12x - (-8x) - (-32), further simplifying to -3x^2 - 12x + 8x - 32.
Combining like terms, we obtain -3x^2 - 4x - 32.
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A farmer needs to fence a rectangular piece of land. She wants the length of the field to be 80 feet longer than the width. If she has 1080 feet of fencing material, what should be the length and width of the field?
The width of the field is 230 feet and the length is 310 feet.
Let's denote the width of the field as "x" feet.
The length of the field is 80 feet longer than the width, so it can be represented as "x + 80" feet.
To find the total amount of fencing material needed, we sum up the lengths of all four sides of the rectangular field:
2(length) + 2(width) = perimeter
Substituting the given values:
2(x + 80) + 2(x) = 1080
2x + 160 + 2x = 1080
4x + 160 = 1080
4x = 920
x = 920/4
x = 230
Therefore, the width of the field is 230 feet.
Now we can find the length by adding 80 feet to the width:
Length = Width + 80 = 230 + 80 = 310 feet.
So, the width of the field is 230 feet and the length is 310 feet.
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On a number line, between which two consecutive whole numbers would √221 be located? Use pencil and paper. Explain why it might be useful to approximate
the value rather than use the exact value.
Answer:
about 15
Step-by-step explanation:
14^2 = 196
15^2 = 225
so √196 = 14, √225 = 15
and 221 is close to 225, so it's about 15 and the exact value would also be between 14 and 15
Which of the following is a true statement of the figure?
An image of a triangle ABC. The angle bisector of angle B is ray BD. Point D lies on side AC.
Question 1 options:
A
D
D
C
=
D
C
C
B
A
C
A
B
=
D
B
D
C
A
D
D
C
=
A
B
C
B
B
C
B
A
=
D
C
C
B
Angle ∠EBD is congruent to angle ∠DBA. Option D is the true statement.
What is an angle bisector?An angle bisector is the line segment that bisects the angle into two equal halves.
Orientation of the one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as the angle.
Here,
Ray BE is a bisector of angle CBA,
∠CBE = ∠EBA = 60°
∠EBD = ∠EBA - ∠DBA
∠EBD = 60 - 30 = 30
So,
∠EBD = ∠DBA [DB becomes angle bisector of angle EBA]
Thus, ∠EBD is congruent with ∠DBA is the only correct answer among the option.
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Full Question:
Although part of your question is missing, you might be referring to this full question:
Which of the following statements is true if ray BE is a bisector of angle CBA?
A. Ray BD is a bisector of angle CBA.
B. ∠EBD is congruent to ∠CBE.
C. Ray BE is a bisector of angle ABE.
D. ∠EBD is congruent to ∠DBA.
Pls help asap What is the number of degrees in the acute angle formed by the hands of a clock at 6:44?
Answer:
264 degree angle
Step-by-step explanation: