Answers:
The unit rate is 8/3
The graph is a straight line through the points (0,0) and (3,8)
===========================================================
Further Explanation:
Each time d increases by 8, t increases by 3
unit rate = slope = (change in d)/(change in t) = 8/3
-----------
All direct variation equations are straight lines that go through the origin (0,0)
Starting at the origin, move 3 units to the right and 8 units up to arrive at (3,8)
Therefore, this straight line goes through the two points (0,0) and (3,8)
If you were to apply the slope formula to these two points, then you should find that m = 8/3 to confirm the previous section's answer.
TwT can someone pls help me with this
Answer:
*plays sweet dreams by eurythmics on repeat*
Volume of a Sphere formula: V = (4/3)(pi)(radius^3)
Now plug in the values: V = (4/3)(3.14)(39^3)
Now some solving:
V = (4/3)(3.14)(59,319)
V = (4/3)(186,261.66)
V = 248,348.88
Exact Value: 248,348.88cm^3
Approximate(Rounded) Value: 248,349cm^3
Using A–Z notation, complete the following beta (ß) decay reaction: 60 (superscript) 27 (subscript) Co
Using A–Z notation, complete the following beta (ß) decay reaction: 18 (superscript) 9 (subscript) F
a) The complete beta (ß) decay reaction for 60Co is 60 (superscript) 27 (subscript) Co → 60 (superscript) 28 (subscript) Ni + -1 (superscript) 0 (subscript) e.
b) The complete beta (ß) decay reaction for 18F is 18 (superscript) 9 (subscript) F → 18 (superscript) 10 (subscript) Ne + -1 (superscript) 0 (subscript) e.
Beta (ß) decay is a type of radioactive decay in which a beta particle, which can be either an electron or a positron, is emitted from the nucleus of an atom. It occurs when a neutron is converted into a proton or vice versa, along with the emission of a beta particle.
In the first given example, the beta (ß) decay of 60Co is represented as 60 (superscript) 27 (subscript) Co → 60 (superscript) 28 (subscript) Ni + -1 (superscript) 0 (subscript) e. This means that a cobalt-60 nucleus (with 27 protons and 33 neutrons) decays into a nickel-60 nucleus (with 28 protons and 32 neutrons) by emitting a beta particle, which is represented by -1 (superscript) 0 (subscript) e.
Similarly, in the second given example, the beta (ß) decay of 18F is represented as 18 (superscript) 9 (subscript) F → 18 (superscript) 10 (subscript) Ne + -1 (superscript) 0 (subscript) e. This indicates that a fluorine-18 nucleus (with 9 protons and 9 neutrons) decays into a neon-18 nucleus (with 10 protons and 8 neutrons) by emitting a beta particle.
The superscript represents the mass number (the sum of protons and neutrons), while the subscript represents the atomic number (the number of protons) of the respective nuclei.
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did i get these questions right??? please help! this is 15% of my grade !!!!
Answer:
yes you got it correct smart
Step-by-step explanation:
How to prove that n3 n is divisible by 3 using mathematical induction?
To prove that n³-n is divisible by 3 using mathematical induction, we need to follow the steps mentioned below:
Step 1: Show that the given statement is true for n=1, i.e., n³-n = 1³-1 = 0 which is divisible by 3. So, the base case is true.
Step 2: Assume that the given statement is true for n=k, i.e., k³-k is divisible by 3. This is the inductive hypothesis.
Step 3: We need to prove that the given statement is true for n=k+1. So, we have to show that (k+1)³-(k+1) is also divisible by 3.
Step 4: Now, (k+1)³-(k+1) can be expanded as follows:(k+1)³-(k+1) = k³+3k²+3k+1-k-1= k³+3k²+2k
Step 5: Using the inductive hypothesis, k³-k is divisible by 3. So, we can write k³-k = 3m for some integer m.
Substituting this value in step 4, we get:(k+1)³-(k+1) = k³+3k²+2k= (3m+k)+3k²+3k= 3(m+k²+k). Thus, we can say that (k+1)³-(k+1) is divisible by 3, and hence, the given statement is true for n=k+1.
Step 6: Therefore, we have proved that n³-n is divisible by 3 using mathematical induction.
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triangle sum theorem
WILL MARK BRAINLIEST
Step-by-step explanation:
13) 4x-22+x+11+10x-4 =180
15x=195
x=13
<P=(10(13)-4)=126
<Q=(4(13)-22)=30
<R=13+11=24
What is 2^4 in standard form?
Answer:
2^4=16
Step-by-step explanation:
2^4 is equal to 2x2x2x2 which is equal to 4x2x2 which is equal to 8x2 which is equal to 16. Therefore, 2^4 is equal to 16.
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What is the charge qenc that is enclosed by the cylinder (cross-sectional area A=2.00×10-2 m2) if the charge is only on one surface?
The charge enclosed by the cylinder is simply equal to the total charge Q on the surface of the cylinder.
If the charge is only on one surface of the cylinder, then we can assume that the charge is uniformly distributed on that surface. Let's denote the surface charge density by σ.
The charge enclosed by the cylinder is given by qenc = σA, where A is the cross-sectional area of the cylinder.
We are not given the surface charge density σ, but we can relate it to the total charge Q on the surface of the cylinder as follows:
Q = σA
We can solve for σ to get:
σ = Q/A
Substituting this expression for σ into our equation for qenc, we get:
qenc = σA = (Q/A)A = Q
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Among the 2302 respondents, 627 said that they only play hockey. what percentage of respondents said that they only play hockey?
The percentage of respondents who play only hockey is 27.24%.
According to the given question.
Total number of respondents = 2302
And, the number of reposdents who play only hockey = 627
Therefore,
The percentage of respondents said that they play only hockey
= (number of respondents who play only hockey/ total number of respondents) × 100
\(= \frac{627}{2302} \times 100\)
= 27.237 %
≈ 27.24%
Hence, the percentage of respondents who play only hockey is 27.24%.
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you have 8 red roses and 4 yellow rose. if you line them up in a row, how many different arrangements can you get
There are 27,720 different arrangements of red and yellow roses.
The total number of roses is 8 + 4 = 12. To find the number of different arrangements, we can use the formula for permutations, which is:
n! / (n - r)!
where n is the total number of objects and r is the number of objects we want to arrange.
In this case, we want to arrange all 12 roses, so n = 12. The number of red roses is 8, so r = 8. Therefore, the number of different arrangements of the roses is:
12! / (12 - 8)! = 12! / 4! = 27,720
So there are 27,720 different arrangements of the 8 red roses and 4 yellow roses.
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W
Which inequality represents this problem?
• Jerry has $30 in his savings account, and he deposits $6 each month.
• Amber has $80 in her savings account, and she does not make any
additional deposits or withdrawals.
After how many months, m, will Jerry have more money in his account than
Amber?
OA. 80> 30 + 6m
OB. 30+6m> 80 + 6m
OC. 6+30m> 80
OD. 30+ 6m> 80
Write the expression using exponents.
3 x 3 x 3 x 3
033
O 34
043
035
Answer:
I'm not sure but i hope i helped
\(\\ \tt\hookrightarrow 3(3)(3)(3)\)
4 times 3 multiplied so\(\\ \tt\hookrightarrow 3^4\)
Mark the rule
a^b+a^c=a^b+c
If you buy an AED 50 meal with a 5% tax.
The tax amount to be paid is AED
Answer:
2.5 dhs
Step-by-step explanation:
5% of AED50
50x5/100=250/100
=AED2.5
20. Choose the correct solution graph for the inequality. (1 point)
-6x > 42
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0
Option 4 is correct graph for linear equation.
What is linear inequality?According to the mathematical definition of inequality, neither side is equal. When a relationship leads to a non-equal comparison between two expressions or numbers, it is known as an inequality in mathematics. The equal sign "=" in this statement can be replaced with any of the inequality symbols, such as greater than (>), less than (<), greater than or equal to (≥), less than or equal to (≤), or not equal to (≠). The different types of mathematical inequality include absolute value inequality, rational inequality, and polynomial inequality.
Given inequality,
-6x > 42
divide both side by 6
-6x/6 > 42/6
-x > 7
so x < -7
the equation says that the value of x should be less the then -7 in which -7 is not included,
so the graph of option 4 is best fit for inequality.
Hence the correct graph for inequality is option 4.
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Your aunt offers you a choice of $22,000 in 17 years or $950 today. At a discount rate of 20 percent, how much is your aunt's offer of $22,000 worth today? (Enter your answer as a positive number rounded to 2 decimal places.) If you invest $12,500 today, how much will you have in each of the following cases? Enter all answers as positive amounts. a. In 8 years at 7 percent? (Round your final answer to 2 decimal places.) b. In 17 years at 10 percent? (Round your final answer to 2 decimal places.) c. In 20 years at 12 percent (compounded semiannually)? (Round your final answer to 2 decimal places.)
At a discount rate of 20%, the present value of your aunt’s offer of $22,000 in 17 years is approximately $190.46.
To calculate the present value of your aunt’s offer, we use the discount rate of 20%. The formula for present value is PV = FV / (1 + r)^n, where PV is the present value, FV is the future value, r is the discount rate, and n is the number of periods. Plugging in the values, we have PV = $22,000 / (1 + 0.20)^17, which gives us approximately $190.46.
For the investment scenarios, we use the compound interest formula: A = P(1 + r/n)^(nt), where A is the final amount, P is the principal amount (initial investment), r is the interest rate, n is the number of times interest is compounded per year, and t is the number of years. Plugging in the given values for each case, we calculate the final amounts.
a. A = $12,500(1 + 0.07/1)^(1*8) ≈ $19,956.77.
b. A = $12,500(1 + 0.10/1)^(1*17) ≈ $46,426.32.
c. A = $12,500(1 + 0.12/2)^(2*20) ≈ $73,785.59.
Therefore, if you invest $12,500 today, you will have approximately $19,956.77 in 8 years at 7%, $46,426.32 in 17 years at 10%, and $73,785.59 in 20 years at 12% compounded semiannually.
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Select the equation in slope-intercept form for the line through points (-4,6) and (0,10) and is perpendicular to the line described by y = -x + 2.
A. y=-x -4
B. y=x-10
C. y=x+4
D. y=x+10
Answer:
A I'm pretty sure
Step-by-step explanation:
hope that helps .-.
keeping in mind that perpendicular lines have negative reciprocal slopes, let's check for the slope of the equation above
\(y = \stackrel{\stackrel{m}{\downarrow }}{-1}x+2\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}\)
now, we know that our line is perpendicular to that one, thus
\(\stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{-1\implies \cfrac{-1}{1}} ~\hfill \stackrel{reciprocal}{\cfrac{1}{-1}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{1}{-1}\implies 1}}\)
so we're really looking for the equation of a line that has a slope of 1 and runs through (0 , 10)
\((\stackrel{x_1}{0}~,~\stackrel{y_1}{10})\qquad \qquad \stackrel{slope}{m}\implies 1 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{10}=\stackrel{m}{1}(x-\stackrel{x_1}{0}) \\\\\\ y-10=x\implies y=x+10\)
please help quickly
x=___ Write the answer in decimals
Answer:
26
Step-by-step explanation:
9=x+1
5=10÷3
9=x+1
5=3.333°
Now you need to find scale factor (sf)
5÷3.333°=1.5
SF=1.5
9÷3.333=2.7
2.7-1=1.7
x=1.7
Answer:
x = 5
Step-by-step explanation:
Given PQRS ~ UVWT and PQ = 5, RS = 9, UV = 10/3, WT = x+1, you want the value of x.
Similar polygonsCorresponding side lengths of similar polygons are proportional. This means ...
WT/UV = RS/PQ
(x+1)/(10/3) = 9/5 . . . . . . . . . . . substitute given values
Multiplying by 10/3 gives ...
x +1 = (10/3)(9/5) = 6
x = 5 . . . . . . . . . subtract 1
HELP PLS.
A line segment has an endpoint at (4, 5). If the
midpoint of the line segment is (-1,4), what is the
location of the line segment's other endpoint?
=========================================================
Explanation:
A = (4,5) is one endpoint
B = (-1, 4) is the midpoint
C = (x,y) is the other endpoint
For now, focus on the x coordinates of each point
A and C have x coordinates of 4 and x respectively
Add them up and divide in half. Set this equal to the x coordinate of B
(4+x)/2 = -1
4+x = 2*(-1)
4+x = -2
x = -2-4
x = -6 which is the x coordinate of point C
Repeat this same idea for the y coordinates
(5+y)/2 = 4
5+y = 2*4
5+y = 8
y = 8-5
y = 3 which is the y coordinate of point C
Therefore, point C is located at (-6, 3)
--------------------------
To verify the answer, you can use the distance formula to calculate the following segment lengths: AB and BC
You should find that AB = BC. This is because the midpoint splits segment AC into two smaller equal pieces.
Another way to verify the answer is to use the midpoint formula on points A(4,5) and C(-6,3). The result of using this formula should be B(-1,4) mentioned earlier.
If f ( n ) = n 2 - 2 n , then f (2) = 0. True False
Answer:
False
Step-by-step explanation:
..............
Answer:
True
Step-by-step explanation:
Solve the following LP formulation and determine the number of Surplus units in constraint B.
SOLUTION
From the what is given
\(\begin{gathered} x+y\le5 \\ x\ge3 \\ 2y\le8 \\ x\ge0 \\ y\ge0 \end{gathered}\)We have the graph as shown below
We are told that the MAX is
\(5x+2y\)Substituting these required points into the equation, our maximum becomes
\(\begin{gathered} 5x+2y \\ \text{For (3, 2)} \\ 5(3)+2(2)=15+4=19 \\ \text{For }(3,\text{ 0)} \\ 5(3)+2(0)=15+0=15 \\ \text{For (5, 0)} \\ 5(5)+2(0)=25+0=25 \end{gathered}\)We can see that the maximum is 25 at for units of 5, that is x = 5
But we are told in (B) that
\(x\ge3\)Hence the surplus unit is
\(5-3=2\)Hence the answer is 2
Meena takes 5 min 4 sec to solve 1 question how much time she took is she had solved 5 questions
PLEASE HELP!!!! Which equation describes this line?
10
(1,9)
6-2,3)
O A. Y-3 = 2(x - 2)
B. y - 9 = 2(x - 1)
O C. y - 1 = 2(x - 9)
D. y-2 = 2(x - 3)
Answer:
y- 9 = 2 (x -1)
Step-by-step explanation:
Describe the consequences of having human body cells in all three hypertonic, isotonic and hypotonic solutions. then conclude which one is the best option for the cells.
When human body cells are exposed to hypertonic, isotonic, and hypotonic solutions, different consequences occur. Hypertonic solutions can cause cells to shrink or undergo plasmolysis, isotonic solutions maintain cell stability, and hypotonic solutions can cause cells to swell and potentially burst. Among these options, isotonic solutions are the best for the cells' overall well-being and function.
Hypertonic solutions have a higher solute concentration compared to the cell's cytoplasm. As a result, water moves out of the cell, leading to cell shrinkage or plasmolysis. This can disrupt cellular functions and may eventually lead to cell death if not corrected. Isotonic solutions have the same solute concentration as the cell's cytoplasm. In such a solution, there is no net movement of water across the cell membrane, and the cell remains stable. Isotonic solutions provide an ideal environment for cell functioning and maintain the cell's normal shape and volume.
Hypotonic solutions have a lower solute concentration than the cell's cytoplasm. Water moves into the cell, causing it to swell and potentially burst. This process is called cytolysis and can be detrimental to cell integrity and function. Considering these consequences, the best option for human body cells is an isotonic solution. Isotonic solutions maintain the stability and normal functioning of cells without causing them to shrink or swell. By maintaining an isotonic environment, cells can carry out their physiological processes effectively, including nutrient uptake, waste removal, and proper cell communication.
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parallel lines e and f are cut by transversal b. what is the value of x? 1 5 25 37
When parallel lines e and f are cut by transversal b, the value of x is 37.
Angle a and angle x are what is known as a pair of alternate interior angles, which means they are congruent (have the same measure).
When two parallel lines are crossed by a transversal, this is always the case.
Thus, we know that a and x have the same value, and we may represent this using an equation: a = x.
Because we know that a equals 80 degrees, we can substitute that value into the equation:80 = x
Next, we'll look at the bottom right angle, which we'll call b. When two parallel lines are crossed by a transversal, the angles created by the transversal on the same side of the parallel lines are known as corresponding angles.
Because they are on the same side of the transversal, corresponding angles are congruent.
As a result, we can equate the values of angle x and angle b using another equation: x = b.
Because we know that angle b equals 117 degrees, we can substitute that value into the equation:
x = 117
To solve for x, we will now set the two equations for x equal to each other:
80 = x
x = 117
x = 37
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Refer to the Figure. If katarina and chris each divides his/her time equally between the production of meatballs and pizzas, then total production isa.
700 meatballs, 600 pizzasb.
200 meatballs, 150 pizzasc.
400 meatballs, 300 pizzasd.
350 meatballs, 300 pizzas
Yes, it is possible to have negative probabilities in some cases.
It is possible to have a negative probability?
First, for classical experiments, the probability for a given outcome on an experiment is always a number between 0 and 1, so it is defined as positive.
In some cases, we can have probability distributions with negative values, which are associated to unobservable events.
For example, negative probabilities are used in mathematical finance, where instead of probability they use "pseudo probability" or "risk-neutral probability"
Concluding, yes, is possible to have a negative probability.
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find the area of each figure. PLEASE ANSWER 13 & 14
Answer:
13. 192 sq in
14. 243.375 sq in
Step-by-step explanation:
Solve for x. 1/4+1/2+x=−3/4 Enter your answer as a fraction in simplest form in the box.
Answer:
yes!! finally a question i can solve:
so,
Step-by-step explanation:
Exact Form:
x = − 3/2
Decimal Form:
x = −1.5
Mixed Number Form:
x = -1 1/2
Use the drawing tools to form the correct answer on the provided graph.
Graph the line that represents the equation y= -2/3x + 1
The graph of the line is shown in the attached image.
Given that the equation of the line y=-2/3x+1.
The line equation is an algebraic representation of the set of points, which together form a line in an exceedingly frame of reference.
First, we'll take the intercepts of equation y=-2/3x+1 . find
Find the y-intercept
The y-intercept is that the value of y when the worth of x is adequate zero
For x=0
y=-2/3(0)+1
y=1
The y-intercept is that the point (0.1)
Find the x-intercept
The x-intercept is that the value of x when the worth of y is adequate to zero
For y=0
y=-(2/3)x+1
0=(-2/3)x+1
-1=(-2/3)x
x=3/2 or 1.5
The y-intercept is that the point (1.5,0).
To plot the line on a graph, draw the intercepts and connect the dots as shown within the figure.
Therefore, the graph for the line y=-(2/3)x+1 is attached below.
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Sara drives 96 miles on 3.2 gallons of gas. She uses this information to calculate how many m
Using this result, how many miles can Sara drive on 12.5 gallons of gas?
O 37.5
O2.4
O 375
O 240
The sum of present age of father and son is 50years.After 5years the age of father is thrice the age of son .Find their present age
Answer:
age of father is 40 and son is 10
Step-by-step explanation:
let age of father be x
and age of son is y
At present,
x+y=50 eq 1
After 5 years,
Ages are,
Father = x+5
Son = y+5
As age of father is thrice so,
x+5 = 3(y+5)
x+5 = 3y+15
x-3y= 10 eq 2
Multiply eq 1 by 3
3x + 3y = 150 eq 3
Now, Add eq 2 and 3
4x = 160
x = 40 .................... ....... Age of father
Put x in eq 1
40 + y = 50
y = 10 ......................... Age of Son
help me ...Given △ABC≅△EFG, which congruency statement is true?
(A.) EC¯¯¯¯¯≅BF¯¯¯¯¯
segment E C is congruent to segment B F
(B.) CB¯¯¯¯¯≅GE¯¯¯¯¯
segment C B is congruent to segment G E
(C.) AC¯¯¯¯¯≅EG¯¯¯¯¯
segment A C is congruent to segment E G
(D.) BA¯¯¯¯¯≅EF¯¯¯¯¯
Answer:
(C.) AC¯¯¯¯¯≅EG¯¯¯¯¯ is true
Step-by-step explanation:
The positions of the letters in naming the triangles in the statement of congruent tells you which sides are congruent.
△ABC≅△EFG
Sides AB and EF are congruent
△ABC≅△EFG
Sides BC and FG are congruent
△ABC≅△EFG
Sides AC and EG are congruent
Look at the choices:
(C.) AC¯¯¯¯¯≅EG¯¯¯¯¯ is true