Answer:
8 units right 2 units down
Step-by-step explanation:
Gary bought some trading cards at the hobby store. Donovan bought 5 times the number that Gary bought. Then, Donovan gave 2 to his sister. Let n represent the number of trading cards Gary bought. What expression can be used to find how many trading cards Gary and Donovan had together before sharing any trading cards?
Answer:
Step-by-step explanation:
n+5n
25 POINTS !!! PLEASE HELP ITS MY LAST QUESTON!!!
A grocery store received two shipments of watermelon. Each watermelon in a shipment was weighed, then a line plot was made of all of the weights in a shipment What statement about the two plots' distributions is true?
Answer:
The degree of overlap between the two distributions is moderate.Step-by-step explanation:A grocery store received two shipments of watermelon. Each watermelon in a shipment was weighed, then a line plot was made of all of the weights in a shipment. What statement about the two plots’ distributions is true?The true statement is - option A - The degree of overlap between the two distributions is moderate.
Step-by-step explanation:
mark me brainliest!!
Mr. Anderson had 185 pieces of wood. He sold 25 pieces of wood to his neighbor and stacked the rest of the wood into piles around his house. Each pile of wood contained 40 pieces of wood. Which equation can be used to find p, the number of piles of wood Mr. Anderson made?
Answer:
D
Step-by-step explanation:
Answer:
The answer is D
Step-by-step explanation:
Antonia is factoring the polynomial, which has four terms. 21x3−63x2 15x−45 3[7x3−21x2 5x−15] 3[7x2(x−3) 5(x−3)] Which is the completely factored form of her polynomial? 21x2(x − 3) 36x2(x − 3) 3(7x2 5) (x − 3) 3(12x2 5) (x − 3).
Answer:
21x2(x-3)
Step-by-step explanation:
Answer: Its C- 3(7x^2+5)(x-3)
Step-by-step explanation:
took it on edge2022
How do you find the highest total surplus?
when the price is equal to the market equilibrium price, total surplus is maximized.
What is surplus?
Making the most of society's well-being is a desired goal for an economic system. Do free markets perform that? Buyers must profit from their purchases, and sellers must profit from their sales, in order to provide an answer. Consumer surplus is the difference between the price consumers are willing to pay and the price they actually pay for a commodity or service. When individuals buy something, they typically pay less than they would have otherwise. Similar to producers, sellers might command a higher price for a good than it costs them to make it; this is known as producer surplus because it occurs when the cost of production is less than the price at which the good is sold.
Consumer Surplus = Willingness to Pay Price − Market Price
Producer Surplus = Market Selling Price − Economic Cost
Total Surplus = Consumer Surplus + Producer Surplus
Only the most effective producers will be able to produce a product for less than the market price in highly competitive markets. Therefore, only those vendors will create a good.
Therefore, when the price is equal to the market equilibrium price, total surplus is maximized.
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Select the correct formula to solve for x.
cos (33) = x/14
sin (33) = x/14
cos (33) = 14/x
sin (33) = 14/x
Answer: Choice B) sin (33) = x/14
This is because the sine of an angle is equal to the opposite side over the hypotenuse
sin(angle) = opposite/hypotenuse
sin(33) = x/14
We can't use cosine because we don't have a variable for the adjacent side.
64 × 5^3 × x^7 ÷ 10^3 × x^4
Hello there mate ☺️,
\(8 {x}^{11} \)is the correct answer.
For explanation, please check the attached image of answer.
✍️ By Benjemin ☺️
Alvin's age is three times Elga's age. The sum of their ages is 108. What is Elga's age?
Answer:
Alvin's Age is 81 and Elga's age is 27
Step-by-step explanation:
let A be Alvin's age and E be Elga's age
A = 3 E (alvin's age is three times elga's age)
A + E = 108 ( the sum of their ages is 108)
3E + E = 108
4 E = 108
E= 108/4 = 27
A = 3E = 27*3 = 81
⭐ Let the Alvin's age be "a" and the Elga's age be "e".
⭐ If we carefully identify the question, we can get two hints provided in the question which can be framed into equations. They are,
A = 3E ... (1)(Alvin's age is 3 times the age of Elga's age)
A + E = 108 ... (2)(The sum of Alvin's and Elga's age is 108)
Substituting value of A i.e (A = 3E) in eqn (2) so as to get same variable and solve the eqn.
\(\Rrightarrow\bf{a + e = 108}\)
\(\Rrightarrow\bf{3e + e = 108}\)
\(\Rrightarrow\bf{4e = 108}\)
\(\Rrightarrow\bf{e = \frac{108}{4} }\)
\(\Rrightarrow\bf{e = 27}\)
Substituting value of (e = 27) in eqn (1),
\(\Rrightarrow\bf{a = 3e}\)
\(\Rrightarrow\bf{a = 3 \times 27}\)
\(\Rrightarrow\bf{a = 81}\)
Thus, the age of Alvin is 81 years and that if Elga is 27 yearsplease help me
the formula
A=1/2 X bX h
Answer:
−4 cot ( −45 )
Step-by-step explanation:
what is the answe ?????
Step-by-step explanation:
the first one ------ A ) -9,-6,-3,7,11
the second one------- C) 8
the third one ------ B) 1.
hope this helps you.
Divide this for me someone plssss
Answer:
It is the 3rd one
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
x-6-6/x+4
Randy makes two slices through a three-dimensional object. One plane is parallel to the base; the other plane is perpendicular to the base. The two cross-sections are the same size and shape. What three dimensional shapes Might randy have cut
Answer:
cubeStep-by-step explanation:
I would have said circle, but it has no base, so it has to be a hedron
Randy might have probably cut a cube, since only it has congruent perpendicular/parallel to the base cross sections
2 intersecting lines are shown. A line with points T, R, W intersects a line with points S, R, V at point R. 4 angles are created. Clockwise, from the top, the angles are blank, (3 x) degrees, blank, (x + 40) degrees.
What is the value of x?
20
35
60
70
2 intersecting lines are shown. A line with points T, R, and W intersects a line with points S, R, and V at point R. the value of x is mathematically given as
x=20
This is further explained below.
What is the value of x?In most cases, two lines that cross one other are shown. In this example, line TW and line SV meet at point R.
The angles are as follows, starting at the top and moving clockwise:
blank,\(3x \textdegree\),blank,\((x + 40) \textdegree.\)Angels \(3x\textdegree \ and\ (x+40 \textdegree)\) are considered horizontal angles because of the description (opposite when two lines intersect). Vertical angles are equivalent, therefore
x=20
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Which statement describes the function shown on the graph
A. The function has a slope of -10 and a y-intercept of 9.
B. The function has a slope of 9 and a y-intercept of -10.
C. The function has a slope of -10 and a y-intercept of 1/9.
D. The function has a slope of 1/9 and y-Intercept of -10
I think the answer is c :)
Answer:
the answer is C. the function had a slope of 9 and a y-intercept of 1/9
The function plotted on graph has a slope of 9 and its
y-intercept is -10.
What is the general equation of a straight line?
The general equation of a straight line is -
y = mx + c
where -
m is the slope of line
c is the y - intercept
Given is a graph of a Straight line.
For a straight line, as discussed above -
c represents the y - intercept and m represents the slope.
Now, from the graph it can be seen that the graph cuts the y - axis at
y = - 10. Therefore, the y - intercept will be -10.
Now, at x = 2, y = 8 and at x = 0, y = -10 . Putting values, we get -
m = (y[2] - y[1]) / x[2] - x[1])
m = (- 10 - 8)/(0 - 2)
m = 9
Therefore, the function plotted on graph has a slope of 9 and its
y-intercept is -10.
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A circle has an area of 2254 square inches. If the radius of the circle
is multiplied by 6, then what is the area of the new circle formed?
O A) 1000+ in.2
OB) 2270n in.
OC) 68057 in.2
OD 81007 in.2
Answer:
Answer: OD 81007 in.2
Step-by-step explanation:
Use formula for area of circle, which is A = πr²
The radius is squared, so if the radius or a new circle is 6 times larger (multiplied by 6), the difference in area will be 36 times greater. So the area is
225π(36) = 8,100π
Answer:
D) \(8100\pi\) in²
Step-by-step explanation:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Question:
A circle has an area of 225\(\pi\) square inches. If the radius of the circle is multiplied by 6, then what is the area of the new circle?
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
area of a circle = \(\pi r^2\) (where r is the radius)
⇒ \(\pi r^2=225\pi\) in²
If the radius is multiplied by 6, then r = 6r
⇒ area = \(\pi (6r)^2=36\pi r^2\)
Therefore, if \(\pi r^2=225\pi\)
then \(36\pi r^2 = 36 \times 225\pi =8100\pi\)
Anna is following this recipe to make biscuits.
Anna uses 550 g of sugar.
How many grams of oats will she need?
Recipe: Makes 24 biscuits
125 g margarine
100 ml syrup
275 g oats
110 g sugar
55 g chocolate
Answer:
Anna will need 1375 g of oats
This question is about the process of forming diamond from graphite. a) For C(graphite) ↔C (diamond) at 298 K and 1 bar, Δ
T
H
∘
=+1.895 kJ mol
−1
and Δ
r
S
∘
=−3.363 J K
−1
mol
−1
. Calculate ΔS
miv
for the forward process (constant T and P ). b) Based on your answer to part a, does diamond form graphite under these conditions? Why/why not? Does the reverse reaction occur? Why/why not?
a) The ΔS_miv for the forward process of forming diamond from graphite at constant temperature and pressure is -3.363 J K^(-1) mol^(-1).
b) Based on the calculated ΔS_miv value in part a, diamond does not form graphite under these conditions, and the reverse reaction does not occur.
a) The ΔS_miv represents the change in molar entropy for a process. In this case, the forward process is the conversion of graphite to diamond. The given value of ΔrS° (-3.363 J K^(-1) mol^(-1)) represents the change in molar entropy at standard conditions. Since the process is occurring at constant temperature and pressure, ΔS_miv can be considered equal to ΔrS°. Therefore, the ΔS_miv for the forward process is -3.363 J K^(-1) mol^(-1).
b) The sign of ΔS_miv is negative (-3.363 J K^(-1) mol^(-1)), indicating a decrease in molar entropy during the forward process. According to the second law of thermodynamics, a spontaneous process favors an increase in entropy. Since the forward process of forming diamond from graphite leads to a decrease in molar entropy, it is not favored under these conditions. Therefore, diamond does not form graphite under these conditions.
Additionally, the reverse reaction (conversion of diamond to graphite) would also be unfavorable because it would require an increase in molar entropy, which contradicts the negative value of ΔS_miv.
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determine whether the set s is linearly independent or linearly dependent.s = {(−2, 2, 4), (1, 9, −2), (2, 3, −3)}
To determine whether the set S is linearly independent or linearly dependent.The set is linearly independent. This is because the only way to make a linear combination of vectors equal to the zero vector is to have all the coefficients equal to zero.
A linear combination of vectors is the sum of a scalar multiple of each vector in the set. We must check if the equation a(-2,2,4) + b(1,9,-2) + c(2,3,-3) = (0,0,0) has only the trivial solution, i.e., a=b=c=0. This gives us the system of equations,-2a + b + 2c = 01a + 9b + 3c = 02a - 2b - 3c = 0We can solve the system of equations by using Gauss-Jordan elimination. The augmented matrix for the system is:[-2 1 2 0][1 9 3 0][2 -2 -3 0]Let's use elementary row operations to simplify the matrix.
We can swap the first and second rows since the first element in the second row is 1.[1 9 3 0][-2 1 2 0][2 -2 -3 0]We can then add twice the first row to the third row to eliminate the leading coefficient in the third row.[1 9 3 0][-2 1 2 0][0 16 3 0]We can then add nine times the first row to the second row to eliminate the leading coefficient in the second row.[1 9 3 0][0 17 15 0][0 16 3 0]We can then add -16/17 times the second row to the third row to eliminate the leading coefficient in the third row.[1 9 3 0][0 17 15 0][0 0 -117/17 0]We see that the only solution is a=0, b=0, and c=0. Therefore, the set S is linearly independent.
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Question 5Multiple Choice Worth 1 points)(04.02 LC)Use the coordinate grid to determine the coordinates of point A;
Each unit on the graph has 4 parts.
Along the x axis , point a is at 1 1/4
Along the y axis point A is at - 3/4
Answer:
( 1 1/4, - 3/4 )
The volume of a paper cone of radius 2.4cm is 95.4 cm3.
The paper is cut along the slant height from O to AB.
The cone is opened to form a sector OAB of a circle with centre O.
Calculate the sector angle x°.
[The volume, V, of a cone with radius r and height h is V= 1/3 x π x r² x h.]
The sector angle formed by the cone when it is opened is: 54°.
What is the Curved Surface Area of a Cone?Curved surface area of a cone = πrl, where l is the slant height and r is the radius of the cone.
What is the Area of Sector?Area of a sector in a circle = ∅/360 × πr², where ∅ is the sector angle.
Step 1: Find the height (h) of the cone using the volume formula, V= 1/3 x π x r² x h:
V = 95.4 cm³
r = 2.4 cm
Plug in the values:
95.4 = 1/3 x 3.14 x 2.4² x h
95.4 = 6.03 x h
h = 15.8 cm
Step 2: Use the pythagroean theorem to find the slant height (l) of the cone
l = √(h² + r²)
Plug in the values
l = √(15.8² + 2.4²)
l = 16 cm.
Step 3: Find the curved surface area of the cone
Curved surface area = πrl = π(2.4)(16) = 120.6 cm².
Step 4: Find the sector angle of the sector formed by the cone when opened
Curved surface area of the cone = area of the sector formed by the cone = 120.6 cm².
Area of a sector in a circle = ∅/360 × πr², therefore:
120.6 = ∅/360 × (3.14)(16²)
120.6 = ∅/360 × 803.84
(120.6)(360) = (∅)(803.84)
43,416 = (∅)(803.84)
43,416/803.84 = ∅
∅ = 54°
Therefore, the sector angle formed by the cone when it is opened is: 54°.
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Can someone help me I need A,B,C,D done and work shown
Hope this helps
Answer:
A) 81 x $2 = $162. So 81 boxes of juice cost $162
B) 78 x $4 = $312. So 78 muffins cost $312
C) 52 x $29 =$1,508. So 52 CDs cost $1,508
D) I can’t see the picture to the side
Solve the following equation.
r/5 = 28
r =
Answer:
r=140
Step-by-step explanation:
Answer:
140
Step-by-step explanation:
Solve the given differential equation:
xy''+y'=0
usually if it was the form (x^2)y''+xy'+5y=0, you could then assume (r^2)+(1-1)r+5=0
how do i start/solve this?
The solution to the given differential equation is \(y = a_0x^{[0]} + a_1x^{[1]} + a_2x^{[2]}\), where a_0, a_1, and a_2 are constants.
How to solve the differential equationTo fathom the given differential equation, xy'' + y' = 0, we will begin by expecting a control arrangement of the frame y = ∑(n=0 to ∞) a_nx^n, where a_n speaks to the coefficients to be decided.
Separating y with regard to x, we get:
\(y' = ∑(n=0 to ∞) a_n(nx^[(n-1))] = ∑(n=0 to ∞) na_nx^[(n-1)]\)
Separating y' with regard to x, we get:
\(y'' = ∑(n=0 to ∞) n(n-1)a_nx^[(n-2)]\)
Presently, we substitute these expressions for y and its subsidiaries into the differential condition:
\(x(∑(n=0 to ∞) n(n-1)a_nx^[(n-2))] + (∑(n=0 to ∞) na_nx^[(n-1))] =\)
After improving terms, we have:
\(∑(n=0 to ∞) n(n-1)a_nx^[(n-1)] + ∑(n=0 to ∞) na_nx^[n] =\)
Another, we compare the coefficients of like powers of x to zero, coming about in a boundless arrangement of conditions:
For n = 0: + a_0 = (condition 1)
For n = 1: + a_1 = (condition 2)
For n ≥ 2: n(n-1)a_n + na_n = (condition 3)
Disentangling condition 3, we have:
\(n^[2a]_n - n(a_n) =\)
n(n-1)a_n - na_n =
n(n-1 - 1)a_n =
(n(n-2)a_n) =
From equation 1, a_0 = 0, and from equation 2, a_1 = 0.
For n ≥ 2, we have two conceivable outcomes:
n(n-2) = 0, which gives n = or n = 2.
a_n = (minor arrangement)
So, the solution to the given differential equation is \(y = a_0x^{[0]} + a_1x^{[1]} + a_2x^{[2]}\), where a_0, a_1, and a_2 are constants.
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Write the absolute value equations in the form |x-b|=c (where b is a number and c can be either a number or an expression) that have the following solution sets. Two solutions: x=2, x=14
Answer:
|x - 8| = 6
Step-by-step explanation:
|x - b| = c
⇒ (x - b)² = c²
Given:
x = 2x = 14Substitute the values of x into (x - b)² = c²:
(2 - b)² = c²
(14 - b)² = c²
Equate and solve for b:
(2 - b)² = (14 - b)²
⇒ 4 - 4b + b² = 196 - 28b + b²
⇒ 4 - 4b = 196 - 28b
⇒ 24b = 192
⇒ b = 8
Substitute b = 8 into the equations to find c:
x = 2 ⇒ |2 - 8| = 6
x = 14 ⇒ |14 - 8| = 6
Therefore, c = 6
Final equation: |x - 8| = 6
PLZ HELP AND HURRY ILL GIVE BRAINLISEST!!! PLZ HURRY!!!
(01.02 MC)
If (62)p = 610, what is the value of p?
2
3
4
5
p= 610/62, or 9.84 hope this hopes (5)
Answer:
the answer is 5.
Step-by-step explanation:
hope this helps..
Riley is making slime. Her recipe calls for 1/4 cup
of glue for every 1 tbsp. of laundry detergent.
How much detergent will she need to use if
she uses 1 1/2cups of glue?
Answer:
6 cups of detergent
Step-by-step explanation:
16 Tblsp in a cup so 24 Tblsp in 1 1/2 cups
6 cups
forthehypothesistesth :μ=7againsth :μ≠7 01 with variance unknown and n = 20, approximate the p-value for each of the following test statistics. a. t0 =2.05 b. t0 =−1.84 c. t0 =0.4
If the p-value is smaller than α, we reject the null hypothesis; otherwise, we fail to reject it.
To approximate the p-value, we use the t-distribution because the population variance is unknown.
(a) t0 = 2.05:
To calculate the p-value, we need to find the area under the t-distribution curve beyond the test statistic in both tails. Since our alternative hypothesis (H1) is μ ≠ 7, we need to consider both tails of the distribution.
Using a t-table or statistical software, we can find the p-value associated with t0 = 2.05 and degrees of freedom = 19. Let's assume the p-value is P1.
P-value for t0 = 2.05 (P1) = 2 * (1 - P(Z < |t0|)), where P(Z < |t0|) is the cumulative probability of the standard normal distribution at |t0|.
Note: Since we have a two-tailed test, we multiply the probability by 2 to account for both tails.
(b) t0 = -1.84:
Similarly, for t0 = -1.84, we calculate the p-value by finding the area under the t-distribution curve beyond the test statistic in both tails. Since our alternative hypothesis (H1) is μ ≠ 7, we consider both tails.
Using a t-table or statistical software, we can find the p-value associated with t0 = -1.84 and degrees of freedom = 19. Let's assume the p-value is P2.
P-value for t0 = -1.84 (P2) = 2 * P(Z < |t0|)
(c) t0 = 0.4:
For t0 = 0.4, we calculate the p-value in a similar manner as before, considering both tails of the t-distribution.
Using a t-table or statistical software, we can find the p-value associated with t0 = 0.4 and degrees of freedom = 19. Let's assume the p-value is P3.
P-value for t0 = 0.4 (P3) = 2 * P(Z > |t0|)
Once you have the p-values (P1, P2, and P3) for each test statistic, you can compare them to the significance level (α) chosen for the hypothesis test. The significance level represents the threshold below which we reject the null hypothesis.
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Complete Question:
For the hypothesis test H0: μ = 7 against H1: μ ≠ 7 with variance unknown and n = 20, approximate the P-value for each of the following test statistics. (a) t0 = 2.05 (b) t0 = − 1.84 (c) t0 = 0.4
PLEASE HELP me with this question
Answer:
EC/BC = DE/AB
Step-by-step explanation:
There are multiple answers for this, but this should work as well. EC is proportional to BC, and AB is proportional to DE, so one answer is: EC/BC = DE/AB
how long does it take Camden to slow down from 8 m/s to 4 m/s if he decelerates at a rate of -3 m/s?
Answer:
4/3 seconds
Step-by-step explanation:
Use the kinematic or SUVAT equation that involves initial velocity, final velocity, acceleration and time since these are what we know and what we want to find;
This formula is: v = u + at
v = final velocity
u = initial velocity
a = acceleration
t = time
Then, simply substitute variables with known values and rearrange or solve for t:
4 = 8 + (-3)t
4 = 8 - 3t
3t = 8 - 4
t = 4/3
Two randomly selecied puestions (chosen by Professo Dicken-Conlin) will be grated for erodit All graded guestions are werth 10 points, Uve nurs puges if acceaury, but make naie you ciearly indicaie where fie fest of your anwase in. 1. The demand for a pair of mitoncy cle riding flever is summarized in the squation Q
b
=900−30P, where price is in dellars per peir. a. Suppose the price of a pair of gloves is 310 : 1. What is the gaasaiify demanded? 4. Show the deranand curve gerphically, Notice that you arr given the DEMAND curve, a0 the invere demand carve, so you may want so tewrie it as the inverse DEMAND earve, whict is ia sicpe intercept form. ii. Numerically and groplically calculate the consiamer iarphus and interyre the namber you calculate (ase imuation). b. Suppose a government rupelesice leads poodocen to lacrease the poice from 510 w 120 1. What is the quantity demanded? if. Laituitively will consamer surplus increase or decrease if the price increasest Explain iif. Calculate mumerically the change in conamer maplus, In other worthe, by how mach does it iacrease or dectear? W. Show the new consumar surplus graphically.
Quantity demanded at a price of $310: 840 pairs. Graph the demand curve accordingly. Consumer surplus: $21,000. Price increase to $120 decreases quantity demanded to 780 pairs, reducing consumer surplus by $3,600.
When the price of a pair of gloves is $310, we can substitute this value into the demand equation Qd = 900 - 30P to find the quantity demanded.
To calculate the consumer surplus, we need to find the area between the demand curve and the price line, both numerically and graphically.
The numerical calculation involves integrating the area under the demand curve and above the price line. The interpretation of the consumer surplus value obtained will indicate the net benefit to consumers.
With the price change from $510 to $120, we can substitute the new price into the demand equation to find the corresponding quantity demanded. Intuitively, when the price increases, the consumer surplus is expected to decrease due to a higher cost for consumers.
Numerically, the change in consumer surplus can be calculated by comparing the consumer surplus before and after the price change.
Note: The specific calculations, interpretations, and graphical representations depend on the methods and tools used in analysis.
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