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Step-by-step explanation:
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please help me!?))),)$&$(
Answer:
Put a point at -5 on the Y axis.
Then move up 6 (still on the Y axis)
Then move to the right 1 (this should be the point 1,1 on the graph)
Draw a line through the points
Shade to the right of the line you drew
what's 3.7 as a mixed number
Answer:3 7/10
Step-by-step explanation:
Answer 3 7/10 or three and seven tenths
Step-by-step explanation:
Which of the following numbers are integers? Select all that apply.
9.343
-100
8/11
53
-4
Graph the equation.
y-4 = -0.5(x+3)
Please help!!
The graph is shown in the attached image.
What are the next three terms in the sequence?
-3, 9, -27, 81, . . .
Answer:
-243
Step-by-step explanation:
the pattern is multiplying the last number by -3. (-3 * -3 = 9, 9 * -3 = -27, etc)
Answer:
234
Step-by-step explanation:
that is the enswer and it is right
PLEASE HELP ASAP!!
Find all the zeros of the polynomial, \(x^{4}-11x^{3} -41x^{2}-61x+30\) given that (2,0) and (0,5) are x-intercpts.
Answer:
Real Zeros(roots):
x = 0.383270701869999 ≈ 0.38
x = 14.1834135032869 ≈ 14.18
Imaginary Zeros(roots):
x =
−1.78334210257844 − 1.52917185852188i
x = −1.78334210257844 + 1.52917185852188i
Step-by-step explanation:
Im trying to see if I can simplify these decimals.
1) f(t)=t2+sin(2t)+2cos(2t)+e−tsin(3t) You must solve the problem manually. You can only use MATLAB or other computer tools to verify your solution.
The solution to the integral of f(t) = t^2 + sin(2t) + 2cos(2t) + e^(-t)sin(3t) is:
F(t) = (1/3)t^3 - (1/2)cos(2t) + (1/2)sin(2t) - 4e^(-t)cos(3t) + C
where F(t) represents the antiderivative or the indefinite integral of f(t).
To find the solution for the function f(t) = t^2 + sin(2t) + 2cos(2t) + e^(-t)sin(3t) manually, we need to analyze each term separately.
Term: t^2
The integral of t^2 with respect to t is (1/3)t^3.
Term: sin(2t)
The integral of sin(2t) with respect to t is -(1/2)cos(2t).
Term: 2cos(2t)
The integral of 2cos(2t) with respect to t is (1/2)sin(2t).
Term: e^(-t)sin(3t)
To integrate this term, we can use integration by parts. Let's define u = e^(-t) and dv = sin(3t) dt.
Taking the derivatives and integrals:
du = -e^(-t) dt
v = -(1/3)cos(3t)
Using the integration by parts formula:
∫ u dv = uv - ∫ v du
∫ e^(-t)sin(3t) dt = -e^(-t)(1/3)cos(3t) - ∫ -(1/3)cos(3t)(-e^(-t)) dt
= -e^(-t)(1/3)cos(3t) + (1/3)∫ cos(3t)e^(-t) dt
We can apply integration by parts again to the remaining integral:
Let u = cos(3t) and
dv = e^(-t) dt.
Taking the derivatives and integrals:
du = -3sin(3t) dt
v = -e^(-t)
Using the integration by parts formula again:
∫ cos(3t)e^(-t) dt = -e^(-t)cos(3t) - ∫ (-e^(-t))(-3sin(3t)) dt
= -e^(-t)cos(3t) + 3∫ e^(-t)sin(3t) dt
Substituting the value we found for the previous integral:
∫ e^(-t)sin(3t) dt = -e^(-t)(1/3)cos(3t) + (1/3)(-e^(-t)cos(3t) + 3∫ e^(-t)sin(3t) dt)
Now we can solve for the integral:
∫ e^(-t)sin(3t) dt = (-e^(-t)(1/3)cos(3t) - (1/3)e^(-t)cos(3t))/(1 - 1/3)
= -3e^(-t)(1/3)cos(3t) - 3e^(-t)cos(3t)
= -e^(-t)cos(3t) - 3e^(-t)cos(3t)
= -4e^(-t)cos(3t)
Now we can put all the terms together:
∫ f(t) dt = (1/3)t^3 - (1/2)cos(2t) + (1/2)sin(2t) - 4e^(-t)cos(3t)
Let's continue with the expression for the integral:
∫ f(t) dt = (1/3)t^3 - (1/2)cos(2t) + (1/2)sin(2t) - 4e^(-t)cos(3t) + C
where C is the constant of integration.
So, the solution to the integral of f(t) = t^2 + sin(2t) + 2cos(2t) + e^(-t)sin(3t) is:
F(t) = (1/3)t^3 - (1/2)cos(2t) + (1/2)sin(2t) - 4e^(-t)cos(3t) + C
where F(t) represents the antiderivative or the indefinite integral of f(t).
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1.A prime number is a number which has exactly two factors - 1 and itself. Suhani says, “The only even prime number is 2". Is she right?
Answer:
yes, because there aren't other even prime numbers.
Step-by-step explanation:
2 Is the only even prime number
3 is odd
5 is odd
7 is odd
11 is odd
13 is odd
And so on
an 8-person committee is to be formed from a group of 15 women and 12 men. in how many ways can the committee be formed if the committee must contain four men and four women? if there must be at least two men? if there must be more women than men?
The number of ways to form an 8-person committee with 4 men and 4 women is 9,180. The number of ways to form a committee with at least 2 men is 70,320. The number of ways to form a committee with more women than men is 7,620. This can be solved by the concept of Permutation and Combination.
If the committee must contain four men and four women, there are 7,425 ways to form the committee. If there must be at least two men, there are 58,275 ways to form the committee. If there must be more women than men, there are 26,207,700 ways to form the committee.
To find the number of ways to form a committee with four men and four women, we can use combinations. The number of ways to choose 4 men out of 12 is 495, and the number of ways to choose 4 women out of 15 is 1,365.
To get the total number of ways, we can multiply these numbers:
495 x 1,365 = 7,425.
To find the number of ways to form a committee with at least two men, we need to consider two cases: 2 men and 6 women, and 3 men and 5 women. For the first case, we can choose 2 men out of 12 in 495 ways, and 6 women out of 15 in 5,005 ways. For the second case, we can choose 3 men out of 12 in 2,190 ways, and 5 women out of 15 in 3,003 ways.
To get the total number of ways, we can add these numbers:
495 x 5,005 + 2,190 x 3,003 = 58,275.
To find the number of ways to form a committee with more women than men, we can use a different approach. We can count all the possible committees with 1 man, 2 men, 3 men, and 4 men, and then subtract the committees that have more men than women. There are 15 ways to choose 1 man, 330 ways to choose 2 men, 3,960 ways to choose 3 men, and 12,870 ways to choose 4 men.
To count the committees with more men than women, we can use the complement rule. This means we need to count the committees with 4 men and 0, 1, 2, or 3 women, the committees with 3 men and 0 or 1 women, the committees with 2 men and 0 women, and the committee with 1 man and 0 women.
Adding these numbers gives us the total number of committees with more women than men:
15 + 330 + 1,320 + 2,772 + 330 + 15 = 26,207,700
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Show how to add the fractions 1/8 and 1/12 by using the LCM of 8 and 12 as the common denominator
(Quickly, and will give brainliest i to the best described one.)
Adding the fractions 1/8 and 1/12 by using the LCM of 8 and 12 as the common denominator exists 5/24.
What is meant by fractions?A fraction is a piece of the entire. In mathematics, the number is represented as a quotient, where the numerator and denominator are divided. Both are integers in a straightforward fraction. In the numerator or denominator of a complex fraction is a fraction. A correct fraction has a numerator that is lower than its denominator.
An element of a whole or, more broadly, any number of equal pieces, is represented by a fraction. When used in conversational English, a fraction indicates the number of components of a particular size, as in one-half, eight-fifths, and three-quarters.
Let the fractions be 1/8 and 1/12
8 = 2 × 4
12 = 3 × 4
By using LCM, we get
\($2 \times 3 \times 4=24 \quad\{L C M\}$\)
= 1/8 + 1/12
simplifying the equation, we get
\($=\frac{1 \times 3}{8 \times 3}+\frac{1 \times 2}{12 \times 2}$\)
= 3/24 + 2/24
= 5/24
Therefore, adding the fractions 1/8 and 1/12 by using the LCM of 8 and 12 as the common denominator exists 5/24.
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Which points have a distance of 3 units between them?
Select all that apply.
N=(1,4) and P=(1,1)
M=(−2,4) and N=(1,4)
R=(1,−2) and S=(−3,−2)
P=(1,1) and R=(1,−2)
P=(1,1) and Q=(3,1)
Answer:
Step-by-step explanation: The points that have a distance of 3 units between them are:
N=(1,4) and P=(1,1)
P=(1,1) and R=(1,-2)
P=(1,1) and Q=(3,1)
can someone help me with this, I’ll give ratings
Answer:
-0.6000
Step-by-step explanation:
sin² A + cos² A = 1
sin² A = 1 - Cos² A
= 1 - (4/5)²
= 1 - 0.64
= 0.36
sin A = sqrt 0.36 = 0.6
in quadrant IV sin is negative
sin A = -0.6000
Worth 60 points for a rapid reply- find the area of each regular polygon. Answers are rounded to the nearest whole number.
The area of the regular polygons with 12 sides(dodecagon) and 5 sides (pentagon) are 389.06 in² and 19.87 in² respectively.
How to calculate for the area of the polygonArea of regular polygon = 1/2 × apothem × perimeter
perimeter = (s)side length of octagon × (n)number of side.
apothem = s/[2tan(180/n)].
11 = s/[2tan(180/12)]
s = 11 × 2tan15
s = 5.8949
perimeter = 5.8949 × 12 = 70.7388
Area of dodecagon = 1/2 × 11 × 70.7388
Area of dodecagon = 389.0634 in²
Area of pentagon = 1/2 × 5.23 × 7.6
Area of pentagon = 19.874 in²
Therefore, the area of the regular polygons with 12 sides(dodecagon) and 5 sides (pentagon) are 389.06 in² and 19.87 in² respectively.
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Mary has $311.75 to convert into yen. the currency exchange she is using charges a surcharge of 6% when converting currency. about how many more yen will mary receive if she makes her trade on the day with the most favorable exchange rate than if she makes her trade on the day with the least favorable exchange rate? a. ¥1,125 b. ¥1,513 c. ¥1,609 d. ¥1,706
Mary will receive 1512.4931 more Yen if she makes her trade on the day with the most favorable exchange rate than that of the least favorable exchange rate.
What is the exchange rate?It is the factor by which currency conversion of two countries is done.
The most Favorable day is Friday because the exchange rate on Friday is the highest.
So, Mary will receive on Friday= 311.75 x 92.7120 x 94/100
Mary will receive on Friday(a)=27168.788 Yen
The least Favorable day is Wednesday because the exchange rate on Wednesday is the least.
So, Mary will receive on Wednesday= 311.75 x 87.5507 x 94/100
So, Mary will receive on Wednesday(b)= 25,656.2949 Yen
Difference between (a) and (b) = 1512.4931 Yen
Hence, Mary will receive 1512.4931 more Yen if she makes her trade on the day with the most favorable exchange rate than if she makes her trade on the day with the least favorable exchange rate.
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The cell phone company charges $42 plus .02 per text (t). Which algebraic expression represents the total charge per
month?
A. 42.02t
B. 42 + .02t C. 44t. D. 42 + t
PLEASE HELP
Answer:
the answer is b) 42 + .02t
Find the missing side lengths.
Need help please.
This is the 6th time I post.
Answer:
x = 9.238 y = 4.619
Step-by-step explanation:
I kind of forgot how to do sohcahtoa but we do cosine for one of them. I used a calculator but the lengths seems reasonable so I'm sure they should be right.
Another geometry question for transition math! Please help me!
Answer:
The measure of <TRU is 72 deg.
Step-by-step explanation:
<QRU is a right angle, so it measures 90 deg.
Since m<QRT = 18 deg, then m<TRU must be 72 deg since 72 + 18 = 90.
Answer: The measure of <TRU is 72 deg.
Find all of the missing angle measurements (pls help i can’t seem to figure out this part)
Angles of a triangle added together equal 180
A=180-143=37
B is 145 b/c like angles
C=A b/c lines are similar
D=143-85=58
E=C b/c like angles
F=90-E=53
G=48
H=180-48-G=180-48-48=84
K=180-H=96
M=180-K-D=180-96-58=26
P=180-85-M=69
R=180-P=180-69=111
S=P
Simplify 18-7(2+3) what is the answer
Answer:
16
Step-by-step explanation:
18-7=11 2+3=5. 11+5=16
according to BODMAS rule
18 - 7 × 5
18 - 35
-17
if you take 3 apples from 10 apples how many do you have
Answer:
7
Step-by-step explanation:
Answer:
You will have exact seven.
the price of a videotape is $13.20 after a 40% discount. Whats the original price?
Answer:
$22
Step-by-step explanation:
So if a videotape was on a 40% discount, then the person who is buying it pays 60% of the original price (100 - 40 = 60)
call "x" the original price, then set up a proportion to explain the relationship
13.2/x = 60/100
simplify
13.2/x = 3/5
solve using cross products
13.2/x = 3/5
13.2 * 5 = 3 * x
66 = 3x
22=x
Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 21 girls in the book club, how many boys are in the club?
Answer:
10
Step-by-step explanation:
(21-1)/2
PLS HELP ME WITH THIS!!!!!!!!!!! BRAINLIEST ANSWER IF U GET IT RIGHT
Answer:
I think it is 5
Step-by-step explanation:
Simplify an expression for the perimeter of the rectangle.
Answer:
P = 16w - 4
Step-by-step explanation:
P = (5w-2 + 3w)2
P = (8w-2)2
P = 16w - 4
Andrew purchased a coat for $50.00 on sale for 25% off. What was the cost of the coat after the discount not including tax?
Answer:
$ 37.50
Step-by-step explanation:
100% - 25% = 75%
75% = 0.75
50 × 0.75 = $ 37.50
Hi I was wondering what the answer and method was to the question attached below about area of a semi circle proof in pythagoras theorem. Thanks!
Answer: I will try
Step-by-step explanation:
While hovering near the top of a waterfall in a national park at 5776 feet, a helicopter pilot accidentally drops his sunglasses. The height h(t) of the sunglasses after t second
is given by the polynomial function h(t)=-16t^2+5776. When will the sunglasses hit the ground?
Answer:
Step-by-step explanation:
set the height function = 0 and solve for t-16t2+6400=0t2 = -6400/(-16)=
-3 |-2•4 | =
.........
Answer:
-24
Step-by-step explanation:
Let a, b ∈ R with a < b and let f : [a, b] -> R be continuous. State the extreme value theorem for f. You may assume that y = sup [a,b] f is a finite real number.
Justify why, for any e > 0, there exists 1 ∈ [a, b] such that y - e ≤ f(x) ≤ y.
Hence show that there exists a sequence (Xn)n=1 ^[infinity] in (a, b) such that f(xn) → y as n → [infinity] Justify the existence of a convergent sequence (2n)n=1 ^[infinity] in [a,b] such that f(2n) → y
Hence conclude that there exists r ∈ (a, b) such that f(x) = y.
The Extreme Value Theorem states that if a function f is continuous on a closed interval [a, b], where a < b, then f attains its maximum and minimum values on that interval. For any ε > 0, there exists x₁ ∈ [a, b] such that y - ε ≤ f(x) ≤ y. Moreover, there exists a sequence (Xₙ)ₙ=1^∞ in (a, b) such that f(xₙ) → y as n → ∞. By considering the subsequence (X₂ₙ)ₙ=1^∞ in [a, b], we can show that f(2ₙ) → y. Hence, there exists r ∈ (a, b) such that f(x) = y.
The Extreme Value Theorem guarantees that a continuous function on a closed interval [a, b] has maximum and minimum values on that interval. By the definition of the supremum, for any ε > 0, there exists x₁ ∈ [a, b] such that y - ε < f(x₁) ≤ y. This justifies the existence of a point x₁ in [a, b] where f(x₁) is arbitrarily close to y.
Since f is continuous on [a, b], it is also continuous on the compact set [a, b]. By the Bolzano-Weierstrass theorem, there exists a sequence (Xₙ)ₙ=1^∞ in [a, b] that converges to a limit point x₀ ∈ [a, b]. As f is continuous, f(xₙ) → f(x₀) as n → ∞. Since f(x₀) = y and f(xₙ) → f(x₀), it follows that f(xₙ) → y as n → ∞.
Considering the subsequence (X₂ₙ)ₙ=1^∞ of (Xₙ), which contains only the even-indexed terms, we can show that f(2ₙ) → f(x₀) = y as n → ∞. This is because (X₂ₙ) converges to the same limit point x₀, and f is continuous.
Combining the above results, we conclude that there exists r ∈ (a, b) such that f(r) = y. This is possible because we have shown the existence of two sequences converging to x₀, one containing all points in (a, b), and another containing only the even-indexed points in [a, b]. Since f is continuous, the limit of f(xₙ) as n → ∞ is the same for both sequences, and thus f(r) = y.
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