Answer:
it should be the second one
which is the simplified form of the expression ((p^2)(q^5))^-4•((p^-4)(q^5))^-2
(p ² q ⁵) ⁻⁴ (p ⁻⁴ q ⁵) ⁻²
= (p ⁻⁸ q ⁻¹⁰) (p ⁻⁸ q ⁻¹⁰)
= p ⁻¹⁶ q ⁻²⁰
What are the zeros of f(x) = x^2 - x- 12? Please explain if you can.
Answer:
4 and -3
Step-by-step explanation:
So our function is f(x) = x² - x -12
We need to find factors such that 0 = x² - x -12
So, it looks something like this 0 = (x - a)(x - b)
We know that the first term is x², which can only be obtained if we multiply x by another x.
Now, we need to find the other terms a and b. We know that a × b = -12
The correct answer would be that a = 4 and b = -3
0 = (x - 4)(x + 3)
We know this because, if we multiply this out, we get x² + 3x -4x -12, which can be simplified to x² -x -12.
Our zeroes are the values of x that this equation 0 = (x - 4)(x + 3) is true. What values of x will make this zero?
4 and -3
"K Co.'s" bonds currently sell for $1,150. They have a 6.75% semi-annual coupon rate and a 15-year maturity and are callable in 6 years at $1,067.50. Assume that no costs other than the call premium would be incurred to call and refund the bonds, and also assume that the yield curve is horizontal, with rates expected to remain at current levels on into the future. Under these conditions, what rate of return should an investor expect to earn if he or she purchases these bonds, the YTC or the YTM? Why?
Ans.......
YTC ...................................
Step-by-step explanation:
On a cube, what proportion of the surface area is on each face, to the nearest percent?
Answer:
Cubes have 6 equal faces, and the surface area is the sum of all of these faces. Thus, one face would be 1/6 of the cube's surface area, or about 17%.
Step-by-step explanation:
What is 1/3 of 77 how did you do it
Answer:
25.67
Step-by-step explanation:
One third written as a fraction is 1/3. You can also write it as a decimal by simply dividing 1 by 3 which is 0.33.
If you multiply 0.33 with 77 you will see that you will end up with the same answer as above.
You may also find it useful to know that if you multiply 0.33 with 100 you get 33.33. Which means that our answer of 25.67 is 33.33 percent of 77.
15. Using the circle below, find each arc length. Round to the nearest hundredth. R a) ST b) RPT 97 125 PS = 28 feet
The measure of arcPR and arcRPT are 83 and 208 degrees respectively
The measure of arc ST will be gotten using the expression below:
arcPS = arcPT + arcST
Given the following
arcPT = 125 degreesarc PS = 180 degreesarcST = arcPS - arcPT
arcST = 180 - 125
arcST = 55 degrees
Similarly, arcPR = 180 - arcRS
arcPR = 180 - 97
arcPR = 83 degrees
arcRPT = arcPR + arcPT
arcRPT = 83 + 125
arcRPT = 208 degrees
Hence the measure of arcPR and arcRPT are 83 and 208 degrees respectively
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Answer:
arc PR=83 and arc RPT= 208
Step-by-step explanation:
3. Write two different equations that represent this situation. Use p for ounces of popcorn and c for cost in dollars. 4. Choose one of your equations, and sketch its graph. Be sure to label the axes.
1. 2.50/10 = $.25 per ounce
2. We have one dollar
.25 *4 = 1 dollar, so we can multiply by 4 * 1 ounce
4 ounces will cost 1 dollar
3. c = $.25* p
We can also write this as
c = 1.00 (p/4) where p is the number of ounces
c = p/4
4. Using the last equation
c = p/4
where p is the number of ounces and c is the number of dollars the popcorn costs
How many halves are there in:
1. 51/2
Answer:
0.25.2
Step-by-step explanation:
1.51/2
So,halves
0.25.2
x>-2
Wyatt wants to spend no more than $25 at the grocery store. He bought a
pizza for $7.55 and a cake for $11.02 (including tax). Choose the inequality
that he can use to find how much money he can still spend.
Answer:
he spent $18.57 and he can spend $7.43 more
The solution is, he can still spend no more than $6.43.
What is inequality?An inequality is a relation which makes a non-equal comparison between two numbers or mathematical expressions.
here, we have,
given that,
Wyatt wants to spend no more than $25 at the grocery store.
He bought a pizza for $7.55 and a cake for $11.02 (including tax).
now, we have to find the inequality that he can use to find how much money he can still spend.
let, we would spend = x
now, we have,
He bought a pizza for $7.55 and a cake for $11.02
so, he had = $ x - ( 7.55 + 11.02)
we have,
x ≥ 25
so, he can still spend ≥ 25 - ( 7.55 + 11.02)
or, he can still spend ≥ 6.43
i.e. he can still spend no more than $6.43
Hence, The solution is, he can still spend no more than $6.43.
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Ahmed, Mustafa and Yasir working together can harvest their field in 6 days. Working alone Mustafa takes twice as long as Ahmed to harvest the field. Yasir takes 3 times as long as Ahmed.
How long would it take each working alone?
six more than the product of nine and a number Evaluate when q = 6
Answer:
60
Step-by-step explanation:
Let's name "a number" "q."
The expression we can set up is 6+9q
Plug 6 in for q.
6+9(6)
6+54
60
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The sequence is decreasing as n increases and sequence converges to the value 0.
The given sequence is defined as aₙ = 1 / (7n + 3).
To determine if the sequence converges or diverges, we need to analyze its behavior as n approaches infinity.
As n increases, the denominator 7n + 3 also increases which means that the values of aₙ will get smaller and smaller, approaching zero as n becomes larger.
The sequence converges to the value 0.
The sequence is decreasing as n increases.
The sequence converges to the value 0.
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IAnser this pleaseSnss
Answer:
Im pretty sure its x< 3
Step-by-step explanation:
Answer:
the answer is A 3>x hope this helps
One winter day, the temperature in Houston is 8 Celsius. Find the temperatures in these other cities. Explain or show your reasoning.
In Orlando, it is 17 warmer than it is in Houston
In Salt Lake City, it is 18 colder than it is in Houston
In Minneapolis, it is 25 colder than it is in Houston
In Fairbanks, it is 12 colder than it is in Minneapolis
Write an addition equation that represents the relationship between the temperature in Houston and the temperature in Fairbanks.
Hence, the temperatures in these other cities are
Orlando is \(25\) degree
Salt Lake is \(-10\) degree
Minneapolis is \(-17\) degree
Fairbanks is \(-29\) degree
What is the degree?
A degree, usually denoted by °, is a measurement of a plane angle in which one full rotation is \(360\) degrees.
Here given that,
One winter day, the temperature in Houston is \(8\) Celsius.
In Orlando, it is \(17\) warmer than it is in Houston.
In Salt Lake City, it is \(18\) colder than it is in Houston.
In Minneapolis, it is \(25\) colder than it is in Houston.
In Fairbanks, it is \(12\) colder than it is in Minneapolis.
So, it would be
Orlando = \(25\) degree
because \(17+8=25\) degree
Salt Lake city \(= -10\) degree
because \(8-18=-10\) degree
Minneapolis \(= -17\) degree
because \(8-25=-17\) degree
Fairbanks \(= -29\) degree
because \(-17-12=-29\) degree
Hence, the temperatures in these other cities are
Orlando is \(25\) degree
Salt Lake is \(-10\) degree
Minneapolis is \(-17\) degree
Fairbanks is \(-29\) degree
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Find the slope of the line through P(5.7) and Q(-1,7).
We can use the points given to solve for the slope.
Slope formula: y2-y1/x2-x1
7-7/-1-5
0/-6
Since the numerator is 0, the slope is 0.
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How do I this please
(i) The expanded form of (1 / 2 - 2 · x)⁵ in ascending form is 1 / 32 - (5 / 8) · x + 5 · x² - 20 · x³ + 40 · x⁴ - 32 · x⁵.
(ii) The coefficient of x³ from (1 + a · x + 3 · x²) · (1 / 2 - 2 · x)⁵ is - 265 / 8.
What is the value of a coefficient of the power of a binomial
In this problem we must apply the concept of Pascal's triangle to expand the power of a binomial of the form (x + y)ⁿ and further algebra properties.
(i) First, we proceed to expand the power binomial (1 / 2 - 2 · x)⁵ in ascending order:
(1 / 2 - 2 · x)⁵ = (1 / 2)⁵ + 5 · (1 / 2)⁴ · (- 2 · x) + 10 · (1 / 2)³ · (- 2 · x)² + 10 · (1 / 2)² · (- 2 · x)³ + 5 · (1 / 2) · (- 2 · x)⁴ + (- 2 · x)⁵
( 1 / 2 - 2 · x)⁵ = 1 / 32 - (5 / 8) · x + 5 · x² - 20 · x³ + 40 · x⁴ - 32 · x⁵
(ii) Second, we proceed to expand the following product of polynomials by algebra properties:
(1 + a · x + 3 · x²) · (1 / 2 - 2 · x)⁵ = (1 + a · x + 3 · x²) · [1 / 32 - (5 / 8) · x + 5 · x² - 20 · x³ + 40 · x⁴ - 32 · x⁵]
(1 + a · x + 3 · x²) · (1 / 2 - 2 · x)⁵ = 1 / 32 + (a / 32 - 5 / 8) · x + (- 5 · a / 8 + 163 / 32) · x² + (- 175 / 8 + 5 · a) · x³ + (65 - 20 · a) · x⁴ + (- 92 + 40 · a) · x⁵ + (120 - 32 · a) · x⁶ - 96 · x⁷
In accordance with the statement, we find that:
- 5 · a / 8 + 163 / 32 = 13 / 2
- 5 · a / 8 = 45 / 32
a = - 9 / 4
Thus, the coefficient of x³ is:
C = - 175 / 8 + 5 · (- 9 / 4)
C = - 265 / 8
The coefficient of x³ from (1 + a · x + 3 · x²) · (1 / 2 - 2 · x)⁵ is - 265 / 8.
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Plead Your Case Give the most convincing explanation you can for why a = c
The most convincing explanation I can give for why a = c is supplementary property a+ b
= 180° and b+c = 180° and substraction operation and also one more reason is a = c is also true because they are vertically opposite angles.
What is supplementary angles ?
A supplementary angle is an angle that sums to 180 degrees. For example, the 130° and 50° angles are complementary because the sum of 130° and 50° is 180°.
We know that, supplementary angles are angles whose sum is 180°. From the above figure, using the property that linear pairs are supplementary , we have b+c = 180° , c+d = 180° , d+a = 180° ,
a+b = 180°
Therefore, consider a+b = 180° and b+c = 180°
Using subtraction property of equality, we have
180°- b = a .........(1)
180°-b = c ..........(2)
Substitute 180°- b = a in equation (2) , we get
=> a = c
Hence, we get the required results.
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Which angles below are equal to ∠CDB?
Answer:
(x) ∠CAB
Step-by-step explanation:
In ΔCOD and ΔBOA
\(\frac{OA}{OB} = \frac{OD}{OC} \\\\\implies \frac{OC}{OB} = \frac{OD}{OA}\)
Also,
∠COD = ∠BOA (vertically opposite angles)
⇒ ΔCOD and ΔBOA are similar
⇒ ∠CDO = ∠BAO
⇒ ∠CDB = ∠BAC
⇒ ∠CDB = ∠CAB
Which table shows a proportional relationship ?
Answer:
First table
Step-by-step explanation:
In a table of a proportional relationship, there is always some number that you can multiply by the number in the first column to get the number in the second column for any row. This number is called the constant of proportionality. In the fruit juice example, the constant of proportionality is 0.4.
The difference between two numbers is -1 and their sum is 1. Find the two numbers.
Answer:
Let the no. be X and Y
X - Y = (-1)
X + Y = 1
X = (-1)+ Y
X = 1 - y
- 1.+ y = 1 - y
Y + Y = 1 + 1
2y = 2
Y = 1
X = 0
Answer:
x = 0 (first number), y = 1 (second number)
Step-by-step explanation:
x will represent the first number, and y will represent the second.
x - y = -1
x + y = 1
Now, it's time to get y by itself in one equation so that we can substitute.
x - y = -1 (subtract x from both sides)
-y = -1 - x (multiply both sides by -1)
y = x + 1
Plug in x + 1 for y in the second equation.
x + x + 1 = 1 (combine the x with the x)
2x + 1 = 1 (subtract 1 from both sides)
2x = 0 (divide both sides by 2)
x = 0
Since x = 0, we can plug 0 in for x into any equation to solve for y.
0 + y = 1
y = 1
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Need asap please help me
Answer:
Step-by-step explanation:
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Which fractions are equivalent to Two-twelfths plus four-twelfths? Check all that apply.
Answer:
6/24
Step-by-step explanation:
help me answer this please
Answer:
3,952 ft
Step-by-step explanation:
Use the sine function since you need to find the hypotenuse but know the opposite side of the angle, since sine is equal to opposite/hypotenuse.
sin8°=\(\frac{550}{c}\)
csin8°=550
c=550/sin8°
c= 3,952
A certain rare form of cancer occurs in 37 children in a million, so its probability is 0.000037. In the city of Normalville there are 74,090,000 children. A Poisson distribution will be used to approximate the probability that the number of cases of the disease in Normalville children is more than 2. Find the mean of the appropriate Poisson distribution (the mean number of cases in groups of 74,090,000 children).
SOLUTION:
Using Poisson distribution
\(,u=np\)n = 74,090,000
p = 0.000037
Therefore, the mean of the appropriate Poisson distribution
\(\begin{gathered} =74,090,000\times0.000037 \\ =2741.33 \end{gathered}\)Final answer: Nearest whole number
2470
Can anyone help me out on this
Answer:
1/10
Step-by-step explanation:
6 Question 5 (5 points) Two masses, m and M. are placed along x-axis at a and b, respectively. Find the center of mass for the system (x, y). 9 (a+b)/2,0 12 0. (a+b)/2 15 O (am+bM)/2,0 (am+bM)/(m+M), O 18 O, (am+bM)/(m+M)
The center of mass for the system (x, y) is \(\left(\frac{a m+b M}{m+M}, 0\right)\).
What is center of mass?
The unique location where the weighted relative position of the scattered mass adds to zero is known as the center of mass in physics. Here is where a force may be applied to produce a linear acceleration without also producing an angular acceleration.
The center of mass is a position defined relative to an object or system of objects. It is the average position of all the parts of the system, weighted according to their masses.
Centre of mass is
\(x=\frac{m a+M b}{m+M}\)
and y=0
\((x, y)=\left(\frac{a m+b M}{m+M}, 0\right)\)
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In a new video game, Franky had -16 1/2 points. He was able to earn 3/4 of the points he lost back. How many points did he have?
Answer:
slightly confused on the wording if he got back 3/4 from 16.5 then he earned back 12.375 points
if -16.5 is the 1/4 he didnt get back then he had 66 points
Step-by-step explanation:
Five years older than Mukhari. Find the value of the expression if Mukhari is 43 years old.
Simplify
7^8x 7^3x 7^4
———————-
7^9x 7^5
Answer:
7
Step-by-step explanation:
\(a^{m}*a^{n}=a^{m+n}\\\\\\\dfrac{a^{m}}{a^{n}}=a^{m-n}\\\\\\\dfrac{7^{8}*7^{3}*7^{4}}{7^{9}*7^{5}}=\dfrac{7^{8+3+4}}{7^{9+5}}\\\\=\dfrac{7^{15}}{7^{14}}\\\\\\=7^{15-14}=7^{1}\\\\= 7\)
Answer:
7^1
Step-by-step explanation:
since all the bases are same, we're going to use the law (a^m × a^n = a^m+n)
8+3+4= 15, hence, it's 7^15
we'll apply the same law for the denominator, 9+5= 14, so we'll get 7^15 ÷ 7^14
next we're gonna use the law (a^m ÷ a^n = a^m-n where m>n)
15-14 = 1
so our final answer is 7^1
The midpoint of \overline{\text{AB}}AB is M(-6, -4)M(−6,−4). If the coordinates of AA are (-4, -3)(−4,−3), what are the coordinates of BB?
Answer:
The coordinates of B is (-8,-5).
Step-by-step explanation:
The midpoint of line AB is M. The coordinate of M is (-6,-4).
The coordinates of A is (-4,-3)
We need to find the mid point of B.
If M(x,y) is the midpoint of the coordinates (x₁,y₁) and (x₂,y₂). The mid point theorem is used as follows :
\(M(x,y)=(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2})\)
Let the mid point of B is (x₂,y₂). Put (x,y) = (-6,-4), (x₁,y₁) = (-4,-3).
\((-6,-4)=(\dfrac{-4+x_2}{2},\dfrac{-3+y_2}{2})\\\\\dfrac{-4+x_2}{2}=-6\ \text{and}\ \dfrac{-3+y_2}{2}=-4\\\\-4+x_2=-12\ \text{and}\ -3+y_2=-8\\\\x_2=-12+4\ \text{and}\ y_2=-8+3\\\\x_2=-8\ \text{and}\ y_2=-5\)
So, the coordinates of B is (-8,-5).
The coordinates of B are (-8, -5).
Given that,
The midpoint of AB is M(-6, -4). If the coordinates of A is (4,-2),
We have to determine,
The coordinates of B.
According to the question,
The midpoint of line AB is M. The coordinate of M is (-6,-4).
And the coordinates of A is (-4,-3)
If M(x, y) is the midpoint of the coordinates (x₁, y₁) and (x₂, y₂). The midpoint theorem is used as follows :
\(M(x, y) = ( \dfrac{x_1+x_2}{2}, \dfrac{y_1+y_2}{2})\)
Let the midpoint of B be (x₂, y₂).
M (x, y) = (-6,-4), and (x₁, y₁) = (-4,-3).
\(M(-6, -4) = ( \dfrac{-4+x_2}{2}, \dfrac{-3+y_2}{2})\\\\\)
Solving the equation for the co-ordinate B.
\(\dfrac{-4+x_2}{2} = -6\\\\-4 + x_2 = -6 \times 2\\\\-4 + x_2 = -12\\\\x_2 = -12+4\\\\x_2 = -8\)
And,
\(\dfrac{-3+y_2}{2} = -4\\\\-3 + y_2 = -4 \times 2\\\\-3 + y_2 = -8\\\\y_2 = -8 + 3\\\\y_2 = -5\)
Hence, The required coordinates of B are (-8, -5).
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