Answer:
Step-by-step explanation:
\(cosp=(8/10)\\ \\ p=cos^{-1}(8/10)\\ \\ q=90-p\\ \\ q=90-cos^{-1}(8/10)\\ \\ sinq=sin(90-cos^{-1}(8/10)\\ \\ sinq=(8/10)\)
In the triangle above, the console of p degrees is 0.8. So, the sine of angle q is 0.6.
It seems like there is a description of a triangle with angles p and q, where the console of angle p is 0.8. However, the term "console" is not familiar in the context of trigonometry. I assume you meant "cosine" instead of "console."
If that's the case, let's proceed with the assumption that cos(p) = 0.8.
The cosine of an angle is the ratio of the adjacent side to the hypotenuse in a right-angled triangle. To find the sine of angle q, we need to use the Pythagorean trigonometric identity:
sin²(q) + cos²(q) = 1
We already know that cos(p) = 0.8, and since the sum of angles in a triangle is 180 degrees, we can find q:
q = 180 - p
Now, let's calculate sin(q):
sin²(q) + cos²(q) = 1
sin²(q) + (0.8)² = 1
sin²(q) = 1 - 0.64
sin²(q) = 0.36
Now, take the square root of both sides to find sin(q):
sin(q) = √0.36
sin(q) = 0.6
So, the sine of angle q is 0.6.
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6. Error Analysis Dakota said the third term of the expansion of (2g + 3h) is 36g2h². Explain Dakota's error. Then correct the error.
The binomial expansion is solved and the error in Dakota's statement is the incorrect substitution of 36g^2h^2 for the correct expression
Given data ,
Dakota made a mistake because the third term of the expansion of (2g + 3h) should have been 36g2h2. The binomial theorem asserts that the expansion of (2g + 3h) is as follows:
( x + y )ⁿ = ⁿCₐ ( x )ⁿ⁻ᵃ ( y )ᵃ
Here, x = 2g and y = 3h. Since term numbers begin at 0, since we are seeking for the third term, r = 2.
So , on simplifying the equation , we get
= nC2 * (2g)⁽ⁿ⁻²⁾ * (3h)²
= (n! / (2! * (n - 2)!)) * (2g)⁽ⁿ⁻²⁾ * (3h)²
= ((n * (n - 1)) / 2) * (2g)⁽ⁿ⁻²⁾ * (3h)²
Hence , the correct expression for the third term of the expansion of (2g + 3h) is ((n * (n - 1)) / 2) * (2g)^(n - 2) * (3h)², where n is the exponent in the binomial expansion.
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plz help me I don’t get there problem!!!!
Answer:
its C. do you need an explanation? i could give one if you want
Step-by-step explanation:
For males in a certain town, the systolic blood pressure is normally distributed with a
mean of 120 and a standard deviation of 8. What is the probability that a randomly
selected male's systolic blood pressure will be less than 108, to the nearest
thousandth?
Answer:
0.89
Step-by-step explanation:
The probability that a randomly selected male's systolic blood pressure will be less than 108 is 0.25.
What is Probability?
Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one.
Here, mean = 110, standard deviation = 8
P = \(\frac{x_{mean}-x }{SD}\)
P = (110 - 108)/8
P = 2/8 = 0.25
P(Z<0.25) = 0.5 - 0.25 = 0.25
Thus, The probability that a randomly selected male's systolic blood pressure will be less than 108 is 0.25.
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Find the probability that a randomly selected point within the square falls in the red shaded square
The probability that a randomly selected point within the square falls in the red shaded square is 1/16
What is probability?A probability is a number that reflects the chance or likelihood that a particular event will occur. The certainty of an event to occur is 1 and it is 100% in percentage.
Probability = sample space /total outcome
sample space is the area of the red shaded square and the total outcome is the big square.
Area of red shaded square = 1 × 1 = 1unit²
area of the big square = 4 × 4 = 16 units²
Therefore the probability that a point selected falls on the red shaded square
= 1/16
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The factored form of 4 x squared plus 4 x minus 15 is ____________.
Five friends are sharing 7 cups of lemonade. If they share the lemonade equally, how many cups will each friend get?
Answer:
1.4
Step-by-step explanation:
7 ÷ 5 = 1.4 or 7/5 as a fraction
Express 88 kilometers per hour in miles per hour.
mi/hr
(Round to the nearest hundredth as needed.)
88 kilometers per hour in miles per hour is 54.68 mi/hr
Converting kilometers per hour to miles per hourNote that:
1 km = 0.6214 miles
The measurement to convert is 88 kilometers per hour
Multiply 88 kilometers per hour by 0.6214 to convert to miles per hour
88 kilometers per hour = 88 x 0.6214 miles per hour
88 kilometers per hour = 54.6832 miles per hour
88 kilometers per hour = 54.68 mi/hr
Therefore, 88 kilometers per hour in miles per hour is 54.68 mi/hr
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Seth's father is thinking of buying his son a six-month movie pass for $40. With the pass, matinees cost $1. If matinees are normally $3.50 each, how many times must Seth attend in order for it to benefit his father to buy the pass?
by the way: I am doing this assignment on formative and when I put the answer in it says it is wrong
Seth must attend 16 matinees in order to break even. Additionally, Seth will see a benefit from attending his 17th show.
What is linear equation?
A linear equation is an algebraic equation of the form y=mx+b. involving only a constant and a first-order (linear) term, where m is the slope and b is the y-intercept. Occasionally, the above is called a "linear equation of two variables," where y and x are the variables.
This can be solved using a linear equation.
Original Equation: x+40 = 3.50x
Subtract "X" from both Sides: 40 = 2.5X
Divide both sides by 2.5 X = 16.
Therefore, Seth must attend 16 matinees in order to break even. Additionally, Seth will see a benefit from attending his 17th show.
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sequence three missing terms to comple 7444> →→19-
To complete the sequence "7444> →→19-", we need to find the missing terms that fit the pattern established by the given numbers. Let's analyze the sequence and identify any discernible pattern or rule.
Looking at the sequence, we can observe that each number is decreasing by a certain value. In this case, the first number is 7444, and the second number is 19, indicating a decrease of 7425. Now, we need to continue this pattern.
To find the third missing term, we subtract 7425 from 19, resulting in -7406. Therefore, the third missing term is -7406
To find the fourth missing term, we subtract 7425 from -7406, resulting in -14831. Therefore, the fourth missing term is -14831.
To find the fifth missing term, we subtract 7425 from -14831, resulting in -22256. Therefore, the fifth missing term is -22256.
Therefore, the completed sequence is:
7444> →→19- → -7406 → -14831 → -22256
Each term in the sequence is obtained by subtracting 7425 from the previous term.
It's important to note that this solution assumes a linear pattern in which the same subtraction value is applied to each term. However, without additional context or information about the sequence, there could be alternative patterns or interpretations.
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Polygon ABCD with vertices at A(−4, 6), B(−2, 2), C(4, −2), and D(4, 4) is dilated using a scale factor of three fifths to create polygon A′B′C′D′. If the dilation is centered at the origin, determine the vertices of polygon A′B′C′D′.
A′(5.8, −3), B′(1.6, −1.5), C′(−1.6, 3), D′(2.5, 3)
A′(−12, 18), B′(−6, 6), C′(12, −6), D′(12, 12)
A′(2.4, −3.6), B′(1.2, −1.2), C′(−2.4, 1.26), D′(−2.4, −2.4)
A′(−2.4, 3.6), B′(−1.2, 1.2), C′(2.4, −1.2), D′(2.4, 2.4)
If the dilation is centered at the origin, determine the vertices of polygon A′B′C′D′ are: D. A′(−2.4, 3.6), B′(−1.2, 1.2), C′(2.4, −1.2), D′(2.4, 2.4).
What is dilation?In Geometry, dilation can be defined as a type of transformation which typically changes the size of a geometric object, but not its shape. This ultimately implies that, the size of the geometric object would be increased or decreased based on the scale factor used.
Next, we would have to dilate the coordinates of the preimage by using a scale factor of 3/5 centered at the origin as follows:
Ordered pair A (-4, 6) → Ordered pair A' (-4 × 3/5, 6 × 3/5) = Ordered pair A' (-2.4, 3.6).
Ordered pair B (-2, 2) → Ordered pair B' (-2 × 3/5, 2 × 3/5) = Ordered pair B' (-1.2, 1.2).
Ordered pair C (4, -2) → Ordered pair C' (4 × 3/5, -2 × 3/5) = Ordered pair C' (2.4, -1.2).
Ordered pair D (4, 4) → Ordered pair D' (4 × 3/5, 4 × 3/5) = Ordered pair D' (2.4, 2.4).
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16. The formula A = r² can be used to find the area of a circle. Solve the equation for r.
a. r=A-2n
b. r = √A - T
C. r=
d.)r =
A
A
211
Can someone write down the answers pls!!!!!!!!!!
Step-by-step explanation:
6b x>=1
6c y>7
7a x>3
7b -2<=2x<6
-1<=x<3
answer:-1,0,1,2,3
1. Simplify (7y²)
(3y³)
Answer:
21 y power 5
Step-by-step explanation:
Solve for x.
37°
8 cm
x = [?] cm
X
Round to the nearest hundredth.
X
The measure of side length x in the right triangle is approximately 6.03 cm.
What is the measure of side length x?The figure in the image is a right triangle having one of its interior angle at 90 degrees.
From the figure:
Angle θ = 37 degrees
Adjacent to angle θ = 8 cm
Opposite to angle θ = x
To solve for the missing side length x, we use the trigonometric ratio.
Note that: tangent = opposite / adjacent
Hence:
tan( θ ) = opposite / adjacent
Plug in the given values and solve for x:
tan( 37 ) = x / 8
x = tan( 37 ) × 8
x = 6.03 cm
Therefore, the value of x is 6.03 cm.
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Question 3(Multiple Choice Worth 2 points) (01.01 MC) What is seven hundred thousand one hundred eighty-two and nine thousandths written in expanded form 700,000+100 + 80 +2 +0.009 700,000+ 10,000+8,000 + 200 +0.9 7,000,000+ 100,000+ 9,000 + 80 +2 7,000,000+ 100,000+80,000 +2 +0.09
The number in an expanded form is 700,000 + 182 + 0.009
How to write the number in an expanded form?The number is given as:
seven hundred thousand one hundred eighty-two and nine thousandths
Next, we split the numbers:
seven hundred thousand = 700,000
one hundred eighty-two = 182
and nine thousandths = 0.009
Next, we add the numbers
700,000 + 182 + 0.009
Hence, the number in an expanded form is 700,000 + 182 + 0.009
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angle is 105 (3x-15) 1. x=402.x=1053.x=54.x=30
angle is 105
(3x-15) =105
solve for x
3x=105+15
3x=120
x=120/3
x=40
answer is
A quantity P obeys the exponential growth law P(t)=e5t (t in years).
At what time t0 is P=15? Use yr for years. t0=?
At what time t1 is P=20? Use yr for years. t1= ?
What is the doubling time for P? Use yr for years. The doubling time is ?
Answer:
the time at which P =15 is \({t_o = 0.54161 \ years}\)
the time at which P =20 is \({t_1 = 0.59914 \ years}\)
the doubling time \({t = 0.138629 \ years}\)
Step-by-step explanation:
From the information we are being provided with:
The quantity P i.e \(P(t) = e ^{5t}\)
In order to determine the time at which P = 15, we have the following:
\(t= t_o\) when P = 15
∴ \(e^{5t_o} = 15\)
\(5t_o= In (15)\)
\(t_o = \dfrac{1}{5}In 15\)
\(t_o = \dfrac{1}{5} \times 2.70805\)
\({t_o = 0.54161 \ years}\)
Hence, the time at which P =15 is \({t_o = 0.54161 \ years}\)
In order to determine the time at which P = 20, we have the following:
\(t= t_1\) when P = 20
∴ \(e^{5t_1} = 20\)
\(5t_1= In (20)\)
\(t_1= \dfrac{1}{5}In (20)\)
\(t_1 = \dfrac{1}{5} \times 2.9957\)
\({t_1 = 0.59914 \ years}\)
Hence, the time at which P =20 is \({t_1 = 0.59914 \ years}\)
The doubling time at t = 0, mean P = 2
∴ \(e^{5t} = 2\)
\(5t= In (2)\)
\(t= \dfrac{1}{5}In(2)\)
\(t = \dfrac{1}{5} \times0.693147\)
\({t = 0.138629 \ years}\)
Hence, the doubling time \({t = 0.138629 \ years}\)
Segments RA and NY are best described as which of the following?
A. Parallel segments
B. Perpendicular lines
C. Perpendicular segments
D. Perpendicular rays
Can y’all answer this or not !?
Answer:
b
Step-by-step explanation:
Answer:
x=417.6
Step-by-step explanation:
Let's solve your equation step-by-step.
0.5x+78.2=287
Step 1: Subtract 78.2 from both sides.
0.5x+78.2−78.2=287−78.2
0.5x=208.8
Step 2: Divide both sides by 0.5.
0.5x divided by 0.5
208.08 divided by 0.5
Are the experimental probabilities after 300 trials closer to the theoretical probabilities?
After 300 trials, the experimental probabilities may not align perfectly with the theoretical probabilities. However, with more trials, the experimental probabilities tend to converge towards the theoretical probabilities for closer alignment.
To examine whether experimental probabilities after 300 trials align closely with theoretical probabilities, let's consider an example of flipping a fair coin.
Theoretical probability: When flipping a fair coin, the theoretical probability of obtaining heads or tails is 0.5 each. This assumes that the coin is unbiased and has an equal chance of landing on either side.
Experimental probability: After conducting 300 trials of flipping the coin, we record the outcomes and calculate the experimental probabilities. Let's assume that heads occurred 160 times and tails occurred 140 times.
Experimental probability of heads: 160/300 = 0.5333
Experimental probability of tails: 140/300 = 0.4667
Comparing the experimental probabilities to the theoretical probabilities, we can observe that the experimental probability of heads is slightly higher than the theoretical probability, while the experimental probability of tails is slightly lower.
In this particular example, the experimental probabilities after 300 trials do not align perfectly with the theoretical probabilities. However, it is important to note that these differences can be attributed to sampling variability, as the experimental outcomes are subject to random fluctuations.
To draw a more definitive conclusion about the alignment between experimental and theoretical probabilities, a larger number of trials would need to be conducted. As the number of trials increases, the experimental probabilities tend to converge towards the theoretical probabilities, providing a closer alignment between the two.
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The question probable may be:
Do experimental probabilities after 300 trials tend to align closely with theoretical probabilities? Consider an example scenario and calculate both the theoretical and experimental probabilities to determine if they are close.
what is f(5)???????????
Answer:
5f (* ̄3 ̄)╭
Step-by-step explanation:
Answer:
I don't see the question but I'll explain
Step-by-step explanation:
If you're solving for f(5), plug 5 into the x in the equation and solve for y. (f(5) is y)
Imagine the center of the London Eye Ferris Wheel is located at (0, 0) on a coordinate grid, and the radius lies on the x-axis. Write an equation of a circle for the ferris wheel, and sketch an image of what the ferris wheel would look like on the grid. Now graph a circle that is similar to the Ferris Wheel. Discuss the transformations needed to show that both circles on your graph are similar.
answer
symbolic materials ?
A student measures the mass of a sample is 2.7 grams. What is the percent error, given that the correct mass is 2.58 grams? Round to the nearest hundredth of a percent.
Answer:
the percent error in the student's measurement is 4.65%.
Step-by-step explanation:
The percent error can be calculated using the formula:
| (measured value - actual value) / actual value | * 100%
In this case, the measured value is 2.7 grams and the actual value is 2.58 grams. Substituting these values into the formula, we get:
| (2.7 - 2.58) / 2.58 | * 100% = 4.65%
Rounding this to the nearest hundredth of a percent, we get a percent error of 4.65%.
Therefore, the percent error in the student's measurement is 4.65%.
A group of boys were selling candy bars to raise money for their football league table but shows how many candy bars each boy have thought so far what is the simplified ratio of the bars John sold to total number of candy bars sold
John: 35
Ayaan: 80
Blake: 40
Juan: 45
Answer:
The answer is 5
Step-by-step explanation:
When you are simplifying you take a number the highest number and put it into it for example 7 goes In to 35, 5 times. So the simplified answer would be 5.
Answer: 7:40
Step-by-step explanation:
Add all of the kids candy bars, then see how much John has. The ratio is 35:200, but we need to simplify it. Thus, we will find the GCF (greatest common factor).⬇️This is the work on how I got the answer⬇️
The GCF of 35 and 200 is 5
Divide both terms by the GCF, 5:
35 ÷ 5 = 7
200 ÷ 5 = 40
The ratio 35 : 200 can be reduced to lowest terms by dividing both terms by the GCF = 5 :
35 : 200 = 7 : 40
Therefore:
35 : 200 = 7 : 40
Solve for x in the triangle. Round your answer to the nearest tenth
Step-by-step explanation:
\( \tan(67) = \frac{x}{7} \\ 2.355852366 = \frac{x}{7} \\ x = 16.49 = 16.5\)
Which of these strategies would eliminate a variable in the system of equations?
{
6
�
+
5
�
=
1
6
�
−
5
�
=
7
⎩
⎪
⎪
⎨
⎪
⎪
⎧
6x+5y=1
6x−5y=7
Choose all answers that apply:
Choose all answers that apply:
(Choice A)
A
Subtract the bottom equation from the top equation.
(Choice B)
B
Add the equations.
(Choice C)
C
Multiply the top equation by
7
77, then subtract the bottom equation from the top equation.
Answer:
B
Step-by-step explanation:
If both signs are the same (++,--), then you subtract.
If the two signs are different(+-,-+), then you add.
Plz plz plz, HELP!!!! I will give u brainlylist
Timur cuts out a rectangle that has a perimeter
As a result, the new rectangle's dimensions are 8 inches long and 10 inches wide.
Explain about the perimeter of rectangle:A rectangle's perimeter (P) is the sum of the lengths of its four sides. A rectangle possesses two equal lengths as well as two equal widths since its opposite sides are equal.
Given data:
Perimeter = 26 inchesLength = 8 inchesLet the Width be x inchesPerimeter of the rectangle = 2(length + width)
Put the values:
26 = 2(8 + x)
26 = 16 + 2x
26 - 16 = 2x
10 = 2x
x = 10/2
x = 5 inches
For the New rectangle:
Length = 8 inches (same)
Twice of wide = 2*(5 inches) = 10 inches
As a result, the new rectangle's dimensions are 8 inches long and 10 inches wide.
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Complete question:
Timur cuts out a rectangle that has a perimeter 26 inches and a length of 8 inches. He cuts out another rectangle that is the same length and twice as wide. Find the new dimensions.
what is the perpendicular and parallel lines of y= -2 -4x
y=1/4x-2 is a perpendicular line and y=-4x+3 is a parallel line.
The equation y= -2 -4x in the form of slope intercept form y=mx+b is y=-4x-2.
Where m represents the slope and y intercept is -2.
The slope of a line perpendicular to another line is the negative reciprocal of the slope of the given line.
The negative reciprocal of -4 is 1/4.
Therefore, the slope of the perpendicular line is 1/4.
The perpendicular line is y=1/4x-2.
We know that the parallel lines have same slope.
y=-4x+3
Hence, y=1/4x-2 is a perpendicular line and y=-4x+3 is a parallel line.
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HELP WITH MATH INDUCTIVE OR DEDUCTIVE PLEASE
"Anyone who protrices a hocethorn will be dribbed. Steve was not
dribbed. Therefore, he did not protrice a hocethorn."
O Invalid. The inner circle is those who are dribbed, and the outer circle is those
who protrice a hocethorn.
O Valid. The inner circle is those who are dribbed, and the outer circle is those
who protrice a hocethorn.
O Invalid. The inner circle is those who protrice a hocethorn, and the outer
circle is those who are dribbed.
O Valid. The inner circle is those who protrice a hocethorn, and the outer circle
is those who are dribbed.
Answer: Choice D
Valid. The inner circle is those who protrice a hocethorn, and the outer circle is those who are dribbed.
=======================================================
Explanation:
Refer to the diagram below. It's a visual representation of what choice D is describing.
The "protrice a hocethorn" circle is denoted as "circle P" or simply "P" for short. While circle D refers to those who are dribbed.
If we throw a dart randomly at the inner circle, then we always will land in the outer circle. This is because the inner circle is completely contained within the outer circle. The inner circle is a subset of the outer circle.
If you land in circle P, then you land in circle D.
But Steve did not land in circle D (premise 2). This must mean he could not possibly have landed in circle P.
This is how we reach the conclusion that he did not protrice a hocethorn
For more information, check out the modus tollens rule. Some logic textbooks may refer to it as "denying the consequent".
----------------------------
Here's another example of modus tollens
Premise 1: "If it rains, then the grass gets wet"Premise 2: "The grass did not get wet"Conclusion: "Therefore, it did not rain"We can think of the events "it rains" and "the grass got wet" as two dominoes. If the second domino did not fall over, then there's no way the first one did. This is because first one topples the second.