Answer:
18
Step-by-step explanation:
because i smart it's will be 18
determine the quadrant in which the terminal side of θ lies. (a) >sinθ0andcscθ0and>cosθ0 ▼(choose one)
The terminal side of θ would lie in the first quadrant. The quadrant in which the terminal side of θ lies can be determined based on the given conditions. If sinθ > 0 and cscθ > 0, it means that the sine and cosecant of θ are both positive.
To determine the quadrant in which the terminal side of θ lies, we can analyze the signs of the trigonometric functions involved. The sine function (sinθ) represents the y-coordinate, and the cosine function (cosθ) represents the x-coordinate on the unit circle. The cosecant function (cscθ) is the reciprocal of the sine function (1/sinθ).
In the first quadrant (0° to 90°), both the x and y coordinates are positive. Therefore, sinθ > 0 and cscθ > 0 are satisfied. Since cosθ > 0 as well, it means that the terminal side of θ falls in the first quadrant.
It's important to note that the given conditions are not sufficient to determine the exact value of θ, but they provide information about the quadrant in which the terminal side of θ lies.
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Please, I need this done!
Triangles ABD and XYZ are similar.Find the length of segment BC.
Answer:
BC = 6
Step-by-step explanation:
Look at two corresponding sides that have both lengths given.
They are AB = 4 and XY = 3.
We need BC, and its corresponding side YZ = 4.5.
We can use a proportion.
BC/YZ = AB/XY
a/4.5 = 4/3
3a = 4.5 * 4
a = 1.5 * 4
a = 6
Answer: BC = 6
The numbers of hours worked (per week) by 400 statistics students are shown below.Number of hours Frequency 0 - 9 20 10 - 19 80 20 - 29 200 30 - 39 100. The cumulative percent frequency for students working less than 20 hours per week is a.20% b.25% c.80% d.100%
The cumulative percent frequency for students working less than 20 hours per week is 25%.
In statistics, the frequency of the first-class interval is added to the frequency of the second class, and this sum is added to the third class and so on then, frequencies that are obtained this way are known as cumulative frequency (c.f.). A table that displays the cumulative frequencies that are distributed over various classes is called a cumulative frequency distribution or cumulative frequency table. There are two types of cumulative frequency - lesser than type and greater than type. Cumulative frequency is used to know the number of observations that lie above (or below) a particular frequency in a given data set. Cumulative frequency is the total frequencies showcased in the form of a table distributed in class intervals. There are two types of cumulative frequency i.e. lesser than and greater than, let us learn more about both types.
The number of hours frequency is given as follows:
Number of hours Frequency Cumulative frequency
0 - 9 20 20
10 - 19 80 100
20 - 29 200 300
30 - 39 100 400
So, the cumulative percent frequency for students working less than 20 hours per week is
= (No. of students working less than 20 hours/ total number of students)* 100
= (100/400)*100
= 25%
Thus, the cumulative percent frequency for students working less than 20 hours per week is 25%.
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what’s the answer to this problem , figure out the area and perimeter of this triangle
Answer:
Area=16.65
Perimeter=26.3
Step-by-step explanation:
To find the area of a triangle, you must multply the length and height and divide by two. An equation like this could help find the area of a triangle: A=2÷(L×W) In your case, 7.4 is the length and 4.5 is the base. Multiply 7.4 and 4.5 together and divide the result by 2.
To find the perimeter, just add 7.4, 6.3, and 12.6 together. 4.5 doesn't get added, only the 3 sides of the triangle do. Don't forget to label the measurements.
What is the percent error for a measurement of 5 yards?
Write your answer using a percent sign (%). For example, 0.5%, 12.7%, or 56%.
20 POINTS
Find equations of the normal plane and osculating plane of the curve at the given point.
x = 5t, y = t^2
, z = t^3
; (5, 1, 1)
(a) An equation for the normal plane is
O 5x + 2y + 3z = -30
O 30x + 2y + 3z = 30
O 5x + 3y + 2z = 30
O 5x + 2y + 3z = 30
O 5x + 2y - 3z = 30
b) An equation for the osculating plane is
O 3x - 15y + 5z = 5
O 3x - 15y + 5z = -5
O x - 15y + 3z = 5
O 3x - y + 3z= 5
O 3x - 15y + 5z = 15
Answer:
Step-by-step explanation:
To find the normal plane and osculating plane, we first need to find the required derivatives.
x = 5t, y = t^2, z = t^3
dx/dt = 5, dy/dt = 2t, dz/dt = 3t^2
So, the velocity vector v and acceleration vector a are:
v = <5, 2t, 3t^2>
a = <0, 2, 6t>
Now, let's evaluate them at t = 1 since the point (5, 1, 1) is given.
v(1) = <5, 2, 3>
a(1) = <0, 2, 6>
The normal vector N is the unit vector in the direction of a:
N = a/|a| = <0, 1/√10, 3/√10>
Using the point-normal form of the equation for a plane:
normal plane equation = 0(x-5) + 1/√10(y-1) + 3/√10(z-1) = 0
Simplifying this equation we get:
5x + 2y + 3z = 30
The osculating plane can be found using the formula:
osculating plane equation = r(t) · [(r(t) x r''(t))] = 0
where r(t) is the position vector, and x is the cross product.
At t = 1, the position vector r(1) is <5, 1, 1>, v(1) is <5, 2, 3>, and a(1) is <0, 2, 6>.
r(1) x v(1) = <-1, 22, -5>
r(1) x a(1) = <12, -6, -10>
v(1) x a(1) = <-12, 0, 10>
Substituting these values into the formula, we get:
osculating plane equation = (x-5, y-1, z-1) · <12, -6, -10> = 0
Simplifying this equation we get:
3x - 15y + 5z = 5
Therefore, the equations for the normal plane and osculating plane at (5, 1, 1) are:
(a) 5x + 2y + 3z = 30
(b) 3x - 15y + 5z = 5
help will give brainly and pts.
find the measure of the missing angles in the kite
Answer: 360 - 44 - 80 = 236
236 ÷ 2 = 118
both angle equal to 118
Step-by-step explanation:
The measure of angle 1 is 118 degrees and the measure of angle 2 is 118 degrees.
What is quadrilateral?It is defined as the four-sided polygon in geometry having four edges and four corners.
We know that kite is quadrilateral, having :
It has one pair of opposite congruent angles.
One diagonal is bisected.
The top and bottom angles are bisected but
As we know from the kite properties it has one pair of opposite congruent angles
From the properties of the quadrilateral the sum of the interior angles is 360 degrees
44 + angle 1 + angle 2 + 80 = 360
Angle 1 = angle 2 = x(say)
44 + x + x + 80 = 360
2x + 124 = 360
2x = 236
x = 118 degrees
Angle 1 = angle 2 = 118 degrees
Thus, the measure of angle 1 is 118 degrees and the measure of angle 2 is 118 degrees or m∠1 = 118° and m∠2 = 118°.
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Lines and are parallel lines cut by a transversal. Use the lines and the angles formed to select all that are true statements. Select 3 correct answer(s)
a. Angle 3 and Angle 6 are vertical angles.
b. Angle 1 and Angle 5 are corresponding angles.
c. Angle 6 and Angle7 are vertical angles.
d. Angle 7 and angle 8 are supplementary angles.
e. Angle 2 and angle 4 are alternate interior angles.
f. Angle 1and angle 4 are same side interior angles.
The corrrect statements about angle are:
Angle 1 and angle 5 are corresponding anglesAngle 6 and angle 7 are vertical anglesAngle 7 and angle 8 are supplementary anglesPlease refer to the attached picture below for visualization of the angles.
Based on the attached picture, we can consider the relationship of each angle, such as:
Alternate interior angles and congruent:
Angle 4 and angle 5
Angle 3 and angle 6
Alternate exterior angles and congruent:
Angle 1 and angle 8
Angle 2 and angle 7
Consecutive interior angles and supplementary:
Angle 3 and angle 5
Angle 4 and angle 6
Corresponding angles and congruent:
Angle 1 and angle 5
Angle 2 and angle 6
Angle 3 and angle 7
Angle 4 and angle 8
Vertical angles and congruent:
Angle 1 and angle 4
Angle 2 and angle 3
Angle 5 and angle 8
Angle 6 and angle 7
Supplementary angles:
Angle 1 and angle 2
Angle 3 and angle 4
Angle 5 and angle 6
Angle 7 and angle 8
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Siti opened her money box to find 50 pieces of $5-notes and $2-notes.if the total value of all the notes is more than $132,find the minimum number of $5-notes she has.
The minimum number of $5-notes she has is 11.
To find the minimum number of $5-notes that Siti has, we need to consider the maximum number of $2-notes she can have while still having a total value of more than $132.
Let's assume Siti has x $5-notes. Since the total value of all the notes is more than $132, we can set up the following equation:
5x + 2(50 - x) > 132
Simplifying the equation:
5x + 100 - 2x > 132
Combining like terms:
3x + 100 > 132
Subtracting 100 from both sides:
3x > 32
Dividing both sides by 3:
x > 10.67
Since x represents the number of $5-notes, it must be a whole number. Therefore, Siti must have at least 11 $5-notes in order for the total value of the notes to be more than $132.
So, the minimum number of $5-notes she has is 11.
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the quotient of 6 divided by t
Answer:
6/t
Step-by-step explanation:
Quotient means divide
6/t
Answer:
you need to find out what the answer is or what t stands for!
Step-by-step explanation:
I need an answer as soon as possible
Answer:
The answer x = 75
Step-by-step explanation:
A triangle's angles must add up to 180 degrees.
We already have 47 and 58 which is 105. 180 - 105 = 75.
Abby counts 12 large boxes and 18 small boxes of pencils in the supply cabinet. Each large box contains 144 pencils . Each small box contains 24 boxes. Estimate the total number of of pencils. Explain why it might be better to have an underestimate rather than an overestimate.
Answer:
2,160 pencils
Step-by-step explanation:
Large boxes = 12
Small boxes = 18
Each large box contains 144 pencils . Each small box contains 24 pencils
Total pencil in large boxes = Total large boxes × number of pencils per box
= 12 × 144
= 1,728 pencils
Total pencil in small boxes = Total small boxes × number of pencils per box
= 18 × 24
= 432 pencils
Estimate the total number of of pencils
Total number of pencils = total pencils in large boxes + total pencil in small boxes
= 1,728 pencils + 432 pencils
= 2,160 pencils
It is better to have an underestimate than an overestimate so that you won't disappoint your buyers when they request for a quantity of supply. If it is underestimated; you can meet demand, if it is overestimated; you can't meet demand
what is the equation for a circle that has a center at (-8,-5) and a point on the circle at (-1,1)
The equation of a circle with a center at (-8, -5) and a point on the circle at (-1, 1) can be found using the distance formula. The equation is (x + 8)^2 + (y + 5)^2 = 98.
To find the equation of a circle, we need to know the coordinates of the center and a point on the circle. Let's denote the center of the circle as (h, k) and the point on the circle as (x1, y1).
The distance formula can be used to find the radius of the circle, which is the distance between the center and any point on the circle. The formula is:
r = sqrt((x1 - h)^2 + (y1 - k)^2)
In this case, the center is (-8, -5) (h = -8, k = -5), and the point on the circle is (-1, 1) (x1 = -1, y1 = 1).
Substituting these values into the distance formula, we get:
r = sqrt((-1 - (-8))^2 + (1 - (-5))^2)
= sqrt((7)^2 + (6)^2)
= sqrt(49 + 36)
= sqrt(85)
Now that we know the radius is sqrt(85), we can write the equation of the circle using the formula:
(x - h)^2 + (y - k)^2 = r^2
Plugging in the values, we have:
(x + 8)^2 + (y + 5)^2 = (sqrt(85))^2
(x + 8)^2 + (y + 5)^2 = 85
Therefore, the equation of the circle with a center at (-8, -5) and a point on the circle at (-1, 1) is (x + 8)^2 + (y + 5)^2 = 85.
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what is f (-2) if f (x) = 1/2x?
\(f(x) = \dfrac{1}{2x} \\~\\~\\f(-2) = \dfrac{1}{2\cdot(-2)} \\~\\~\\f(-2) = -\dfrac{1}{4} \\~\\~\\f(-2) = -0.25\)
Given the graph of the rectangle below,
(A) Show that the opposite sides are congruent and
(B) Show that the diagonals of the rectangle are congruent.
Show your work please.
Answer: b to d
Step-by-step explanation:
b goes from d its 8 squares away so the mathematics problem would be 8/~ correct?
What is the minimum current rating of the motor disconnecting means for a 7.5-horsepower, 115-volt, single-phase motor?
Answer:
Motor 1) 7 ½ horsepower single phase, 230 volts 40 ampere) ; Motor 2) 5 ... for a 2 horsepower 115 volt motor that has a full-load current rating of 24 ampere, ... Simultaneously disconnects all conductors of the circuit.
3) let’s say katie’s bike cost $100. a) if timothy’s bike is 20% the cost of katie’s, what does his bike cost?
a) Timothy's bike costs $20.It's important to note that the given percentage value represents a proportion or fraction of the original cost, allowing us to calculate the specific cost
To find the cost of Timothy's bike, we need to calculate 20% of Katie's bike cost.
20% of $100 can be calculated by multiplying $100 by 0.20:
20% * $100 = $20.
Therefore, Timothy's bike costs $20.
To calculate 20% of $100, we multiply $100 by the decimal equivalent of 20%, which is 0.20:
20% * $100 = 0.20 * $100 = $20.
In this scenario, Timothy's bike is priced at 20% of Katie's bike cost. This means that Timothy's bike is relatively less expensive compared to Katie's bike. It's important to note that the given percentage value represents a proportion or fraction of the original cost, allowing us to calculate the specific cost of Timothy's bike based on the given percentage relationship.
Based on the given information, Timothy's bike costs $20, which is 20% of Katie's bike cost.
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4h10 · 6h6
How do I solve this?
Answer:
24 h^16
Step-by-step explanation:
4h ^10 · 6h^6
Multiply the constants
4*6 = 24
Since the bases are the same, add the exponents
h^10 * h^ 6 = h^ ( 10+6) = h^16
24 h^16
PLEASE HELP!!!!!
17. Find a solution to the inequality x>6. (1 point)
04
011
02
06
Answer:
11
Step-by-step explanation:
11 is greater than 6, meaning it satisfies the inequality.
The figure below is a net for a right rectangular prism.
13 cm
10 cm
10 cm
7 cm
10 cm
10 cm
7 cm
What is the surface area of the right rectangular prism, in
square centimeters?
Answer:
582 cm²
Step-by-step explanation:
The main vertical rectangle in the middle is 13 cm wide. Its length is
10 cm + 7 cm + 10 cm + 7 cm = 34 cm
Then each of the two rectangles on the sides is 10 cm by 7 cm.
area = 13 cm × 34 cm + 2 × 10 cm × 7 cm
area = 582 cm²
–5x + 10 > –15?
solve
Answer:
x<5
Step-by-step explanation:
Answer:
-2 > -15
Step-by-step explanation:
-2 is greater than -15
if your p-value is .11, and the significance level is .05, what do you conclude?
The p-value is .11 and the significance level is .05, then we fail to reject the null hypothesis.
The p-value represents the probability of obtaining the observed results, or results more extreme, assuming the null hypothesis is true. In this case, the p-value is greater than the significance level, which means that the observed results are not significant enough to reject the null hypothesis.
With a p-value of .11 and a significance level of .05, we can conclude that there is not enough evidence to reject the null hypothesis.
When comparing the p-value to the significance level (0.05), if the p-value is less than or equal to the significance level, you would reject the null hypothesis, indicating that there is a significant effect or difference.
If the p-value is greater than the significance level, you would fail to reject the null hypothesis, meaning that you cannot conclude that there is a significant effect or difference.
Hence, the p-value (0.11) is greater than the significance level (0.05), you fail to reject the null hypothesis, which means you cannot conclude that there is a significant effect or difference.
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Divide 1/2 by 1/8 and expre the anwer in implet term. If neceary, ue / for the fraction bar
When we divide 1/2 by 1/8, we get the answer as 4
Division is the opposite of multiplication. If 3 groups of 4 make 12 in multiplication, 12 divided into 3 equal groups give 4 in each group in division
Here two fractions are given.
We need to divide 1/2 by 1/8
1/2 ÷ 1/8
(1/2)/(1/8)
(1/2)x (8/1)
4
Therefore, upon dividing 1/2 by 1/8 we get the answer as 4
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Vincent gathered groups of 1 to 8 people and gave every group the same puzzle to solve. He recorded the number of minutes it took each group to solve the puzzle and plotted the results.
Answer:
Larger groups tends to take less time to solve the puzzle.
Step-by-step explanation:
It is given that Vincent gathered few groups from 1 to 8 people and he gave them the same puzzle to solve for each group. The graph is provided which show the relationship between the number of groups and the time taken by each group to solve the puzzle.
From the graph, it cam be seen that, the larger groups is more likely to take less amount of time to solve the puzzle as compared to the smaller groups.
Answer:
B
Step-by-step explanation:
Khan Academy says so
What is the y intercept of this graph of this graph
Answer:
i cant entirely see the image well, but the y intercept should be the line that passes through the line on the graph that goes up and down
Step-by-step explanation:
i hope this helps :))
What includes all positive and negative numbers but not zero?
The "integers"— , positive, negative, NOT zero. The "rational numbers"— , or fractions, like 355/113.
sin60° change to fraction
Answer:
\(\frac{\sqrt{2} }{3}\)
Step-by-step explanation:
I.
Greatest Common Factor (GCF)
Find the GCF of the numbers,
18, 30
18 = 2.3.3
30 = 23.5
2.3 = 6
6 = GCF
1. 12, 18
2, 10, 35
3. 8, 30
4, 16, 24
5, 28, 49
6. 27,63
7. 30, 45
8. 48, 72
Show your work
Answer:
,
18, 30
18 = 2.3.3
30 = 23.5
2.3 = 6
6 = GCF
1. 12, 18
2, 10, 35
3. 8, 30
4, 16, 24
5, 28, 49
6. 27,63
7. 30, 45
8. 48, 72
Answer:
1. 12,18, 12/6 = 2 and 18/6 = 3, so 6 is your GCF
2. 10,35, 10/5 = 2 and 35/5 = 7, so if it can't reduce anymore with the same GCF then 5 is your GCF.
3. 8,30, 8/2 = 4 and 30/2 = 15 which can't be reduced anymore which leaves 2 as the GCF
4. 16,24, 16/8 = 2 and 24/8 = 3 which makes 8 your GCF
5. 28,49, 28/7 = 4 and 49/7 = 7, so if you think about it there is no bigger number that can go into both of these numbers except 7. 7 is your GCF
6. 27,63, 27/9 = 3 and 63/9 = 7, your GCF is 9
7. 30,45, 30/5 = 6 and 45/5 = 9, your GCF is 5 because no other number can go into these numbers that is bigger than 5.
8. 48,72, 48/12 = 4 and 72/12 = 6, I tried to go bigger but I got a decimal so it makes the GCF 12.
Step-by-step explanation:
First you are going to want to find a number that goes into both of the chosen numbers.
Second if you can find a bigger number that goes into your chosen number
Third if you can't find a bigger number than you have found your GCF