I need help with algebra 2
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Select the correct answer from each drop-down menu. Consider right triangle ABC. A triangle ABC has right angle at B is shown. Base AB has length labeled 40 units. Height BC has length labeled 9 units, and hypotenuse AC has length 41 units.
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We know the lengths of the sides opposite and adjacent to angle A, as well as the length of the hypotenuse, then sin(A) = 9/41 and cos(A) = 40/41.
What are trigonometric ratios?
Trigonometric ratios are the ratios of the length of sides of a triangle. These ratios in trigonometry relate the ratio of sides of a right triangle to the respective angle. The basic trigonometric ratios are sin, cos, and tan, namely sine, cosine, and tangent ratios.
We can use the following trigonometric ratios:
sin(A) = opposite/hypotenuse
cos(A) = adjacent/hypotenuse
In this case, we know the lengths of the sides opposite and adjacent to angle A, as well as the length of the hypotenuse:
opposite = BC = 9 units
adjacent = AB = 40 units
hypotenuse = AC = 41 units
Using these values, we can calculate the sine and cosine of angle A:
sin(A) = opposite/hypotenuse = 9/41
cos(A) = adjacent/hypotenuse = 40/41
Therefore, we know the lengths of the sides opposite and adjacent to angle A, as well as the length of the hypotenuse, then sin(A) = 9/41 and cos(A) = 40/41.
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1 2/3 + (-2/5)
Math homework homework math
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1 4/15
1x3+2/3 - 2/5
3+2/3 - 2/5
5/3 - 2/5
LCD = 15
5x5/3x5 - 2x3/5x3
25/5 - 6/15
25-6/15
19/15
1 4/15
Answer:
1.26666666667
12. You start the day left with 3 assignments due tomorrow. Your work load seems to double every period!
That means you would have how many assignments due tomorrow by 1st period? 4th period? 8th period?
Write an equation for this scenario & answer all questions.
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The equation for the scenario of the work load doubling every period would be Assignments due = 3 x 2^(number of periods)
The assignments due would be:
1 st period - 6 assignments 4 th period - 48 assignments 8th period - 768 assignments How to find the assignments due ?Assignments start at 3 assignments and then double per period so the best equation is:
Assignments due = 3 x 2^(number of periods)
After 1 period:
Assignments due = 3 x 2^(number of periods)
= 3 x 2
= 6 assignments
After 4 periods:
= 4 x 2⁴
= 48 assignments
After 8 periods:
= 4 x 2 ⁸
= 768 assignments
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Jason works at Dell and earns $16.30 per hour for the first 40 hours of the week and then earn 1.5 times his regular rate. How much does he earn in the first 40 hours? B. How much overtime pay does he earn in 50 hours
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If b = 3, then b^-2 is equivalent to _____.
A: 9
B: 1/9
C: -9
D: -6
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Answer:
-9
Step-by-step explanation:
3 times -3 equals -9
Answer:
its c i took the quiz they're correct
Step-by-step explanation:
A fraternity charge $2.00 admission for dudes and $1.00 admission for ladies. They made $45 and sold 35 tickets how many ladies attended the party
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After solving the equations, we know that a total of 25 ladies attended the party.
What are equations?A mathematical statement that has an "equal to" symbol between two expressions with equal values is called an equation.
As in 3x + 5 Equals 15, for instance.
Equations come in a variety of forms, including linear, quadratic, cubic, and others.
So, take dudes as x and ladies as y.
Now, form the required 2 equations as follows:
2x + y = 45 ...(1)
x + y = 35 ...(2)
Work on equation (2):
x + y = 35
x = 35 - y
Now, substitute x = 35 - y in equation (1):
2x + y = 45
2(35-y) + y = 45
70 - 2y + y = 45
-y = -25
y = 25
Since ladies were charged $1 for each ticket, then 25 ladies attended the party.
Therefore, after solving the equations, we know that a total of 25 ladies attended the party.
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what is y= -5/4x+6 on a graph
I tried mathaway but it's not helping
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Answer:
6.oz and all other things are going on
Step-by-step explanation:
its been a few weeks and I've just got back to
Need help on both 7 and 8, please help i’m losing my mind and it’s 3 am
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8. Balance owing = 1250 - 40m where m is numbers of months after loan started
If (3x − 2)(3x + 2) = ax2 − b, what is the value of a?
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(3x-2)(3x+ 2)
Multiply each term in one set of parentheses by the other terms:
3x x 3x =9x^2
3x x 2 = 6x
-2 x 3x = -6x
-2 x 2 = -4
Combine to get:
9x^2 + 6x - 6x -4
Combine like terms:
9x^2 - 4
The value of a would be 9.
\(\sf{\bold{\blue{\underline{\underline{Given}}}}}\)
(3x − 2)(3x + 2) = ax2 − b⠀⠀⠀⠀\(\sf{\bold{\red{\underline{\underline{To\:Find}}}}}\)
⠀what is the value of a?⠀⠀⠀\(\sf{\bold{\purple{\underline{\underline{Solution}}}}}\)
At first we have to solve the value of (3x-2)(3x+2)
\(\sf{(3x-2)(3x+2) }\) \(\sf{3x(3x+2)-2(3x+2) }\) \(\sf{9x^{2}+6x-6x-4 }\) \(\sf{9x^{2}-4 }\)According to the question,
\(\sf{ (3x − 2)(3x + 2) = ax^{2} − b }\) \(\sf{9x^{2}-4=ax^{2}-b }\) \(\sf{9x^{2}=ax^{2}~and~-4=-b }\) \(\sf{a=9~and~b=4 }\)⠀⠀⠀
\(\sf{\bold{\green{\underline{\underline{Answer}}}}}\)
Hence,
The value of a is 9
What is the volume of the following rectangular prism? 3 1/3 1 2/5
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Area of rectangular prism: Base x Height.
so 3x1/3x2/5=0.4 0r 2/5
A line contains points F, G, H, I, J. The space between F G is 2. The space between H and I is 1. The space between F and I is 7.
If FG = 2 units, FI = 7 units, and HI = 1 unit, what is GH?
3 units
4 units
5 units
6 units
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Answer:
4
Step-by-step explanation:
Answer: B. 4 Units
Step-by-step explanation: On Edge!!!
What is the solution to the system of equations?
7z+3y=-11
2z+ 5y = 1
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Answer:
y=1 , z=-2
Step-by-step explanation:
I will use the method of elimination :
Multiply the top equation by 5 to make equation 3 :
35z + 15y = -55
Multiply bottom equation by 3 to make equation 4:
6z + 15y = 3
Subtract equation 3 from equation 4 to eliminate the y :
-29z = 58
Divide both sides by -29 to solve for z :
z = 58 ÷ -29
z = -2
Substitute this value into either equation 1 or 2 to solve for y :
I chose equation 2 :
2(-2) + 5y = 1
-4 + 5y = 1
Add 4 to both sides :
5y = 5
Divide both sides by 5 :
y = 1
Hope this helped and have a good day
Josiah earns $8.00 per hour at his job.
Write and solve an inequality that represents how many hours it will take him to earn at least $120.
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Answer:
15 hours
so, 8 x y = 120
Step-by-step explanation:
\(8\sqrt{120} =\) 15
Graph the following on the axes below:
* 6x+5y=-10
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Answer:
Look on the attached photos
I am struggling can I please have help?
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Each is a half of an apple, and there are 8 apples.
A factor is what you multiply.
So since there are 8 halves, you would do 8 x 1/2.
The answer to that equation is 4.
So that's how you get your answer, I hope this helps!
Despite having developed a reputation as a good cook, I'm really not one. What I am is a really good recipe follower. I put my trust in real chefs whose recipes are posted here on Recipe Masters. Turns out, though, my trust was misplaced. Sadly, my weekly supper club dinner that featured a Recipe Masters recipe for meatball sub casserole turned into a pizza delivery night. If after reading this review, any of my fellow Recipe Masters subscribers are still set on trying this casserole recipe, here is my advice: Stop after the first step, when the sauce turns into an un-stirrable glob. Don't do as I did and continue on, believing things will improve. They won't. Following this recipe is a recipe for disaster. My advice for Recipe Masters is to ensure that recipes posted here are "tried and true," as advertised. We subscribers pay a fee for access to "top-notch, no-fail recipes." If we lose faith in your recipes, we might just turn to the free recipe sites all over the internet. Which sentence best summarizes the author's point of view about the casserole recipe posted on Recipe Masters?
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The author of the review is disappointed with the meatball sub casserole recipe posted on Recipe Masters, which did not turn out well despite following the recipe.
The author recommends that others should not attempt to make the recipe and believes that Recipe Masters should ensure that their posted recipes are reliable and thoroughly tested. The author also implies that the quality of the recipes on Recipe Masters is not as advertised, which could potentially lead subscribers to lose faith in the service and seek out free recipe sites instead.
Therefore, a suitable summary of the author's point of view would be: The author is dissatisfied with the meatball sub casserole recipe on Recipe Masters, which did not work out well and believes that Recipe Masters should provide reliable, thoroughly tested recipes as advertised.
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Please help, I'll mark brainlist
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3
=
2
1
1
3
=
x
21
31=21x
2
1
⋅
1
3
=
2
1
⋅
2
1
21
⋅
1
3
=
21
⋅
x
21
21⋅31=21⋅21x
Multiply the numbers
Cancel multiplied terms that are in the denominator
7
=
2
1
⋅
2
1
7
=
21
⋅
x
21
7=21⋅21x
7
=
7
=
x
7=x
7
=
7
=
x
7=x
if you take away 25 from a number you will be left with two and halftimes 30. what is the number?
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If you take away 25 from (100) you get 75.
70 also equals 2.5*30
the distance between two points can be determined by the _________ of the real number values of the two points
options:
the sum
the absolute value of the sum
the absolute value of the difference
the difference
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Answer:
the difference
Step-by-step explanation:
The distance between two points can be determined by the difference of the real number values of the two points.
The distance between two points can be determined by the absolute value of the difference of the real number values of the two points
How to determine the distance?Let any two points be represented as:
Point x and Point y
The distance (d) between them is calculated using:
d = |x - y|
This can also be expressed as
d = |y - x|
See that the distance is calculated by the absolute value of the difference
Hence, the statement that completes the blank is (c)
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State a, b, and the y-intercept then graph the function and describe the end behavior of the grpahs
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9514 1404 393
Answer:
9. a = 3, b = 3, y-intercept = 3
10. a = 5, b = 0.6, y-intercept = 5
Step-by-step explanation:
The picture is fuzzy, but we think the given equations are ...
\(\text{9. }f(x)=3(3)^x\\ \text{10. }f(x)=5(0.6)^x\)
You are comparing these to the form ...
\(f(x) = a(b)^x\)
so the values of 'a' and 'b' should be readily identifiable. The y-intercept in each case is y = a.
The end behavior depends on whether b > 1 or not. Growth functions (b>1) go to 0 on the left and ∞ on the right. Decay functions (b<1) are the reverse.
__
9. a = 3, b = 3, y-intercept = 3
The end behaviors are (x, f(x)) ⇒ (-∞, 0), (∞, ∞).
__
10. a = 5, b = 0.6, y-intercept = 5
The end behaviors are (x, f(x)) ⇒ (-∞, ∞), (∞, 0).
I hate polynomials so much thank you for your help!
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Solution:
Given the polynomials below;
For the first polynomial
\(\left(5xy^2-3x^2y-2x+3xy\right)+\left(3xy^2+4x-5xy+2x^2y\right)\)Adding the polynomials gives
\(\begin{gathered} \left(5xy^2-3x^2y-2x+3xy\right)+\left(3xy^2+4x-5xy+2x^2y\right)= \\ =5xy^2-3x^2y-2x+3xy+3xy^2+4x-5xy+2x^2y \\ \mathrm{Group\:like\:terms} \\ =5xy^2+3xy^2-3x^2y+2x^2y-2x+4x+3xy-5xy \\ =8xy^2-x^2y+2x-2xy \end{gathered}\)Hence, the matching polynomial is
\(8xy^2-x^2y+2x-2xy\)For the second polynomial
\(\left(4x^2y-3xy^2+4x-3xy\right)-\left(-4x^2y+2xy+3xy^2+x\right)\)Subtracting the polynomials gives
\(\begin{gathered} \left(4x^2y-3xy^2+4x-3xy\right)-\left(-4x^2y+2xy+3xy^2+x\right) \\ =4x^2y-3xy^2+4x-3xy-\left(-4x^2y+2xy+3xy^2+x\right) \\ =4x^2y-3xy^2+4x-3xy+4x^2y-2xy-3xy^2-x \\ \mathrm{Group\:like\:terms} \\ =8x^2y-6xy^2+3x-5xy \end{gathered}\)Hence, the matching polynomial is
\(8x^2y-6xy^2+3x-5xy\)For the third polynomial
\(\left(2x-1\right)\left(4xy+3y^2-2y\right)\)Multiplying the polynomials
\(\begin{gathered} =2x(\:4xy)+2x(3y^2)+2x\left(-2y\right)-1(\:4xy)-1(\:3y^2)-1\left(-2y\right) \\ =8x^2y+6xy^2-8xy-3y^2+2y \end{gathered}\)Hence, the matching polynomial is
\(\begin{equation*} 8x^2y+6xy^2-8xy-3y^2+2y \end{equation*}\)For the fourth polynomial
\(\frac{16x^2y^3-2x^3y^2+4x^2y^2+4xy}{2xy}\)Dividing the polynomials
\(\begin{gathered} \frac{16x^2y^3-2x^3y^2+4x^2y^2+4xy}{2xy} \\ =\frac{2xy\left(8xy^2-x^2y+2xy+2\right)}{2xy} \\ =8xy^2-x^2y+2xy+2 \end{gathered}\)Hence, the matching polynomial is
\(\begin{equation*} 8xy^2-x^2y+2xy+2 \end{equation*}\)I think the answer is complementary angles but I’m not sure. HELP! Thanks (:
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Answer:
Angle 3 is greater than angle 4
TrUsT mE
Answer:
2nd option..... Angles 3 and 4 are complementary Angles.
ren wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 44 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 19.8 and a standard deviation of 2.6. What is the 98% confidence interval for the number of chocolate chips per cookie for Big Chip cookies?Enter your answers accurate to one decimal place. < μ <
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Answer:
The sample size is given below as
\(=44\)The mean is given below as
Karen got a prepaid debit card with $25 on it. For her first purchase with the card, she bought some bulk ribbon at a craft store. The price of the ribbon was $8 cents per yard. If after that purchase there was $22.36 left on the card, how many yards of ribbon did Karen buy?
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Answer:
3.3 yards
Step-by-step explanation:
$25 minus $22.36 you will get 2.64 then divide by .8 you will get 3.3
Which mathematical concepts were the result of the work of René Descartes? Check all that apply. theory of an Earth-centered universe formula for the slope of a line Pythagorean theorem for a right triangle problem solving by solving simpler parts first Cartesian plane for graphing trusting previous teachers for knowledge
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The Pythagorean theorem states that in a right triangle, the square of the hypotenuse = sum of the squares of the legs.
We have,
The Pythagorean theorem that relates to the sides of a triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides (known as the legs). Mathematically, it can be expressed as a² + b² = c², where "a" and "b" are the lengths of the legs, and "c" is the length of the hypotenuse.
Now,
In a right triangle, the legs are the two sides that form the right angle, and the hypotenuse is the side that is opposite to the right angle. The Pythagorean theorem states that in a right triangle, the square of the hypotenuse = sum of the squares of the legs. So, the relationship between the legs and the hypotenuse can be described by this theorem. In other words, if we know the length of the two legs of a right triangle, we can use the Pythagorean theorem to find the length of the hypotenuse, and vice versa. The hypotenuse is always the longest side of the right triangle, and it is also the side that connects the two legs.
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complete question:
Applying the Pythagorean Theorem In this activity, you will explain your understanding of mathematical relationships and use the Pythagorean theorem to solve real-world problems. Question 1 In your own words, explain the relationship between the legs and the hypotenuse of a right triangle.
Help quick I have 30 minutes left
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Answer:
I believe B and C are correct. Maybe another but I don't think so.
Two- fifths of a number
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"Two-fifths of a number" refers to a mathematical expression where you take two parts out of five parts of a given number.
What is Two- fifths of a numberTo represent this expression algebraically, let's assume the number is "x."
Two-fifths of the number can be calculated by multiplying the number (x) by the fraction 2/5:
(2/5) * x
This expression represents two-fifths of the given number.
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100 Points! Algebra question. Photo attached. Only looking for an answer to B. Thank you!
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(a) The amplitude of the function is 2.
(b) The amplitude of the function is 3.
What is amplitude?Amplitude is interval between the resting position and the maximum migration of the wave.
Formula for amplitude of the function is:
y = A sin (ωt + Ф) or y = A cos (ωt + Ф), where A represent the amplitude.
Given:
(a) y = 2 cos [3(Ф + 45)]
Formula for amplitude is:
y = A cos (ωt + Ф)
(b) y = 3 sin [2(Ф - 90)]
Formula for amplitude is
y = A sin (ωt + Ф)
After compare amplitude with equation than we get amplitudes are 2 and 3.
Therefore, the amplitude of the following function are 2 and 3 respectively.
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Con la información que se encuentra a continuación completar la tabla sobre el valor posicional de los números.
- Carmen sabe que la población de la provincia de Tungurahua es de 581389 habitantes y desea conocer el valor posicional de cada número que forma la cantidad de pobladores.
CM DM UM C D U
b) Descompongo el número de pobladores de la provincia de Tungurahua
....................................................................................................................
c) Escribo el número en letras ................................................
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Answer:
ok
Step-by-step explanation:
to hablando Espanol j
consider the parent function f(x)=x^2. a. graph y=f(x). b. write an equation for f(1/2x). Then sketch a graph of y=f(1/2x) and describe the transformation. c.write an equation for f(3x). Then sketch a graph of y=f(3x) and describe the transformation.
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In this case, we'll have to carry out several steps to find the solution.
Step 01:
Data
f(x)=x²
f(1/2x) = ?
graph of y=f(1/2x) = ?
Step 02:
b. f(1/2x)
x ===> 1/2x
\(f\text{ (1/2 x) = (}\frac{1}{2}x)^2=\frac{1}{4}x^2\)Step 03:
c. Graph:
We give values to x, and we obtain the values of y.
f(x) = 1/4 x²
e.g.
if x = 4
y = 1/4 (4)² = 1/4 * 16 = 4
That is the solution for b. and c.
