The intersecting chords theorem states that the longitudes |AO|,|OB|,|CO|,|OD| satisfy the following relatioship:
|AO|*
Listed below is a table showing the number of employees. 20 years or older by gender in the United states
The total number of workers that were studied can be found to be 139,340,000.
The percent of workers unemployed would be 5. 4 %.
Percentage of unemployed men is 5. 6 % and unemployed women is 5. 1%.
How to find the employment figures ?Number of employed workers :
= 74,624,000 + 64, 716, 000
= 139,340,000
Percentage unemployed :
= ( 4, 209,000 + 3,314,000 ) / 139,340,000
= 5. 4 %
Percentage of unemployed men :
= 4,209,000 / 74,624,000
= 5.6 %
Percentage of unemployed women:
= 3,314,000 / 64, 716, 000
= 5. 1 %
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The full question is:
a. How many workers were studied?
b. What percent of the workers were unemployed?
c. Compare the percent unemployed for the men and the women.
What is the size of the matix resulting from [4 -1 0] x [2 1 0 -3 -7 2 1 -5 2]
Answer:
3396
Step-by-step explanation:
QUESTION 8 1 POINT
The amount of time it takes Isabella to wait for the bus is continuous and uniformly distributed between 5 minutes
and 17 minutes. What is the probability that it takes Isabella more than 13 minutes to wait for the bus? Round your
answer to three decimal places.
Answer:
0.706
Step-by-step explanation:
To find the probability that it takes Isabella more than 13 minutes to wait for the bus, we can use the formula for the probability of a continuous uniform distribution. The probability of a continuous uniform distribution is defined as:
P(x) = (b - a)/(c - d)
In this formula, a and b are the lower and upper bounds of the distribution, respectively, and x is the outcome we are interested in. c and d are the lower and upper bounds of the range of possible outcomes, respectively.
In this case, the lower bound of the distribution is 5 minutes and the upper bound is 17 minutes. The lower bound of the range of possible outcomes is 0 minutes (since the amount of time Isabella waits for the bus can't be negative) and the upper bound is 17 minutes (since this is the maximum amount of time Isabella can wait for the bus).
Plugging these values into the formula, we get:
P(x > 13) = (17 - 5)/(17 - 0) = 12/17
Therefore, the probability that it takes Isabella more than 13 minutes to wait for the bus is approximately 0.706.
10 ft
8 ft
Find the area of this figure. Round your
answer to the nearest hundredth. Use
3.14 to approximate .
A = [ ? ] ft2
Nati
Find sinD
, sinE
, cosD
, and cosE
. Write each answer as a fraction in simplest form
After answering the presented question, we can conclude that trigonometry cos(D) = 15/17 sin(E) = 8/15 => cos(E) = 17/15 => All of the answers are in their most basic form.
what is trigonometry?The study of the relationship between triangle side lengths and angles is known as trigonometry. The concept first originated in the Hellenistic era, during the third century BC, due to the application of geometry in astronomical investigations. The subject of mathematics known as exact techniques deals with certain trigonometric functions and their potential applications in computations. There are six commonly used trigonometric functions in trigonometry. Sine, cosine, tangent, cotangent, secant, and cosecant are their separate names and acronyms (csc). The study of triangle properties, particularly those of right triangles, is known as trigonometry. As a result, geometry is the study of the properties of all geometric shapes.
We have the following in the right triangle ABC:
AC/BC = 8/17 sin(D) = opposite/hypotenuse
adjacent/hypotenuse = AB/BC = 15/17 cos(D)
We have the following in the right triangle ABD:
BD/AB = 8/15 sin(E) = opposite/hypotenuse
AD/AB = 17/15 cos(E) = adjacent/hypotenuse
Therefore:
sin(D) = 8/17
cos(D) = 15/17 sin(E) = 8/15
cos(E) = 17/15
All of the answers are in their most basic form.
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Help me with this please.
Answer:
the answer should be B
Step-by-step explanation:
take the total of people who got the flu(63) and the amount of them who were vaccinated(35) and write it as a fraction. 35/63 in its simplest form is 5/9
100 points will mark brainliest
Answer:
A is the answer
Step-by-step explanation:
if its wrong than its C
The lines shown below are parallel. If the green line has a slope of -2, what is the slope of the red line?
A.
2
B.
-2
C.
D.
-
Answer:
the slope of the read line is also -2
Step-by-step explanation:
Plz help me!!(ᗒᗣᗕ)՞
Plz!
Answer:
A) 64 cm²
Step-by-step explanation:
Trapezoid area formula:
\(A=\frac{a+b}{2} h\)
Given:
a = 6
b = 10
h = 8
Work:
\(A=\frac{a+b}{2} h\\\\A=\frac{6+10}{2} *8\\\\A=\frac{16}{2} *8\\\\A=8*8\\A=64\)
4 sinA + 5 sinA what is the answer of it
Answer:
9 sinA
Step-by-step explanation:
Adding them is all you can do to simplify.
what is −2(x+6)=4x
x=
Answer:
x=-2
Step-by-step explanation:
Distribute, add 12 to both side, then simplify
Answer: -2
Let's solve your equation step-by-step.
−2(x+6)=4x:
Step 1: Simplify both sides of the equation.
−2(x + 6) = 4x
(−2)(x) + (−2)(6) = 4x (Distribute)
−2x + (−12) = 4x
−2x − 12 = 4x
Step 2: Subtract 4x from both sides.
−2x − 12 − 4x = 4x − 4x
−6x − 12 = 0
Step 3: Add 12 to both sides.
−6x − 12 + 12 = 0 + 12
−6x = 12
Step 4: Divide both sides by -6.
−6x/−6 = 12/−6
x = −2
...................................................................
Answer:
29 degrees
Step-by-step explanation:
Note how both triangles are isosceles triangles, which mean two angles will be equivalent. In the triangle with the marked angle measurement, since the total of angles in a triangle is 180, then the measurement of the unmarked angles have a sum of 180-64, which is 116. Then, as stated before, this triangle is isosceles, so the measurement of each unmarked angle is 116/2, which is 58.
Next, notice how the angle below angle x in that triangle shares a line with one of the 58 degree angles. This means that angle is 180-58, which is 122. Now, since the total of angles in a triangle is 180 and the triangle is isosceles, then angle x is (180-122)/2, which is 58/2, or 29 degrees
Apr 08, 12:51:17 AM
Brittney wants to buy grapes and apples to bring to a party. Grapes cost $1.60
per pound and apples cost $1.75 per pound. If she only has $10 to spend on
grapes and apples, which inequality represents the situation where she buys x
pounds of grapes and y pounds of apples?
1.60x + 1.75y < 10
1.60x + 1.75y > 10
Submit Answer
1.75x + 1.60y < 10
1.75% + 1.60y > 10
Type here to search
O
12:5
4/8/
Answer: did you get a answer yet?
Step-by-step explanation:
A radioactive substance decays exponentially. A scientist begins with 110 milligrams of a radioactive substance. After 15 hours, 55 mg of the substance remains.
How many milligrams will remain after 25 hours?
mg
Give your answer accurate to at least one decimal place.
We can use the formula for exponential decay:
N(t) = N0 * e^(-kt)
where:
N(t) = amount remaining after time t
N0 = initial amount
k = decay constant
We can solve for k using the given information:
55 = 110 * e^(-k * 15)
e^(-k * 15) = 0.5
-k * 15 = ln(0.5)
k = -ln(0.5) / 15
k ≈ 0.0462
Now we can use this value of k to find N(25):
N(25) = 110 * e^(-0.0462 * 25)
N(25) ≈ 39.6 mg
Therefore, approximately 39.6 milligrams will remain after 25 hours.
In a survey of 259 professional athletes, it was found that 110 of them owned a convertible, 91 of
them owned a giant screen TV, and 120 owned a sporting goods store. 15 owned a convertible and a
store, 43 owned a TV and a store, and 44 owned a covertible and a TV. 9 owned all three items.
1. How many athletes did not own any of the three items?
2. How many owned a covertible and a TV, but not a store?
3. How many athletes owned a convertible or a TV?
4. How many athletes owned exactly one type of item in the survey?
5. How many athletes owned at least one type of item in the survey?
6. How many owned a TV or a store, but not a convertible?
1. Number of athletes did not own any of the three items = 259 - 228
= 31.
2. Number of athletes own a convertible and a TV but not a store = 44 - 9
= 35.
3. Number of athletes own a convertible or a TV = 110 + 91 - 44
= 157.
4. Number of athletes owned exactly one type of item = 60 + 13 + 71 = 144.
5. Number of athletes owned at least one type of item = 259 - 31
= 228
6. Number of athletes own a TV or a store, but not a convertible = 13 + 34 +71
= 118.
The number of athletes did not own any of the three items need to subtract the number of athletes who own at least one item from the total number of athletes surveyed.
Total number of athletes surveyed = 259
Number of athletes own at least one item = 110 + 91 + 120 - 15 - 43 - 44 + 9 = 228
Number of athletes who did not own any of the three items = 259 - 228 = 31.
The number of athletes who owned a convertible and a TV but not a store need to subtract the number of athletes who own all three items from the number of athletes who own a convertible and a TV.
Number of athletes who own a convertible and a TV = 44
Number of athletes who own all three items = 9
Number of athletes who own a convertible and a TV but not a store = 44 - 9 = 35
The number of athletes who owned a convertible, or a TV need to add the number of athletes who own a convertible to the number of athletes who own a TV and then subtract the number of athletes own both a convertible and a TV.
Number of athletes who own a convertible or a TV = 110 + 91 - 44
= 157.
The number of athletes owned exactly one type of item need to add up the number of athletes who own a convertible only the number of athletes own a TV only and the number of athletes who own a store only.
Number of athletes own a convertible only = 110 - 15 - 9 = 86
Number of athletes own a TV only = 91 - 44 - 9 = 38
Number of athletes own a store only = 120 - 15 - 43 - 9 = 53
Number of athletes owned exactly one type of item = 60 + 13 + 71 = 144.
The number of athletes who owned at least one type of item can use the result from part (1).
Number of athletes who owned at least one type of item = 259 - 31
= 228
The number of athletes who owned a TV or a store but not a convertible need to subtract the number of athletes who own all three items, and the number of athletes own a convertible and a TV from the number of athletes own a TV or a store.
Number of athletes own a TV or a store = 91 + 120 - 43 - 9 = 159
Number of athletes own a TV or a store not a convertible = 13 + 34 +71
= 118.
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You have collected data on the average weekly amount of studying time (T) and grades (G) from peers at your university. Changing the measurement from minutes into hours has the following effect on the correlation coefficient:
a. cannot be computed since some students study less than an hour per week
b. does not change the rTG
c. decreases the rTG by dividing the original correlation coefficient by 60
d. results in a higher rTG
Answer:
b. does not change the rTG
Step-by-step explanation:
If the average weekly amount of studying time and Grade are compared such that a certain correlation Coefficient value is obtained, changing the unit of measurement of any of the variables, will not affect the value of the correlation Coefficient most notably because the value of R, correlation Coefficient is a normalized or standardized value that ranges between - 1 and 1 and hence, resistant to unit changes in the compared variables. Hence, Correlation coeffient for the rate of study and grade obtained will not change even if rate of study is measured in hour.
Answer:
b. does not change the rTG
Step-by-step explanation:
Please answer this It would mean alot to me.
The expression 8x + 4y is not equivalent to 4(2x + 1). Therefore, 8x + 4y = 4(2x + y)
How to find equivalent expression?Two expressions are said to be equivalent if they have the same value irrespective of the value of the variable(s) in them.
Equivalent expressions are expressions that have similar value or worth but do not look the same.
Let's determine whether the expression 8x + 4y is equivalent to 4(2x + 1).
Let's factorise to know whether the expressions are equivalent.
Therefore, using the common factors,
8x + 4y = 4(2x + y)
Hence, the expression are not equivalent .
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Compute the amount of interest earned in the following simple interest problem. A deposit of $4,500 at 5% for 3 years:
$67.50
$6.75
$675.00
$6,750.00
Answer:
$675.00
Step-by-step explanation:
4500 x 0.05 x 3 = 675
It takes 9 builders 54 days to complete a house.
How long would it take 6 builders to complete the same house?
Answer:
81 days
Step-by-step explanation:
Formula to solve this type of equation \(t=\frac{k}{p}\)
t is time
k is a constant
p is people
We must substitute the values into the equation
\(54=\frac{k}{9}\)
\(k=486\)
Now we must substitute it to find the time
\(t=\frac{486}{6}\)
you get 81
It would take \(6\) builders \(36\) days to complete the same house.
Who are builders?Builders are those person whose job is to build or repair houses and other buildings.
We have,
\(9\) builders take \(54\) days to complete a house.
So,
\(1\) builder will take \((\frac{54}{9})\) days to complete a house,
In the same way,
\(6\) builder will take \((\frac{54}{9}*6)\) days to complete a house,
i.e.
\(6\) builder \(=(\frac{54}{9}*6)= 36\) days.
Hence, we can say that it would take \(6\) builders \(36\) days to complete the same house.
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2
Let g(x) = x + 4x-7.
What is g(x) in graphing form?
(x + 2) - 7 = 4
O g(x) = (x + 2)²-7
Onone of the answer choices
x² + 4x-7=0
O g(x) = (x + 2)² - 11
The graphing form of the function g(x) is: C) none of the answer choices.
The function g(x) = \(x^2 + 4x - 7\)is already in the standard form of a quadratic equation. In graphing form, a quadratic equation can be represented as y =\(ax^2 + bx + c,\) where a, b, and c are constants.
Comparing the given function g(x) =\(x^2 + 4x - 7\)with the standard form, we can identify the coefficients:
a = 1 (coefficient of x^2)
b = 4 (coefficient of x)
c = -7 (constant term)
Therefore, the graphing form of the function g(x) is:
C) none of the answer choices
None of the given answer choices (A, B, D, or E) accurately represents the graphing form of the function g(x) =\(x^2 + 4x - 7\). The function is already in the correct form, and there is no equivalent transformation provided in the answer choices. The given options either represent different equations or incorrect transformations of the original function.
In graphing form, the equation y = \(x^2 + 4x - 7\) represents a parabolic curve. The coefficient a determines the concavity of the curve, where a positive value (in this case, 1) indicates an upward-opening parabola.
The coefficients b and c affect the position of the vertex and the intercepts of the curve. To graph the function, one can plot points or use techniques such as completing the square or the quadratic formula to find the vertex and intercepts. Option C
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Simplify the expression by first substituting values from the table of exact values and then simplifying the resulting expression. Answer exactly.
(sin60∘+cos60∘)^2=
Find the product. 2 (-5)
Answer:
-10
Step-by-step explanation:
Answer:
-10
Step-by-step explanation:
a positive times a negative is a negative number
and 2 x 5 is 10
so it`s -10
In a sample of 80 Americans, 55% wished that they were rich. In a sample of 90
Europeans, 45% wished that they were rich.
a) At a = 0.01, is there difference in the proportions?
b) Find the 99% confidence interval for the differences of the two proportions
Answer:
hjgkulihjoj;l
Step-by-step explanation:
which of the following are properties of a trapezoid? Select all that apply
Answer: b, d, e
Trapezoids are quadrilaterals (a shape with four sides) and they have two pairs of sides; one pair are parallel, and the other pair are not.
Picture shown below.
The correct properties of a trapezoid are:
They are quadrilaterals.It has one pair of opposite sides that are parallel.It has one pair of opposite sides that are not parallel.A trapezoid is a quadrilateral, which means it has four sides. One defining property of a trapezoid is that it has one pair of opposite sides that are parallel. This means that these parallel sides never intersect.
Additionally, a trapezoid has another pair of opposite sides that are not parallel, which means they do intersect. Unlike a rectangle or square, a trapezoid does not have all sides congruent.
Lastly, the diagonals of a trapezoid do not necessarily intersect at right angles. The angle formed by the intersection of the diagonals can vary in size. These properties collectively distinguish a trapezoid from other quadrilaterals and make it a unique shape.
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In circle N with � ∠ � � � = 12 4 ∘ m∠MNP=124 ∘ and � � = 13 MN=13, find the area of sector MNP. Round to the nearest hundredth.
If circle with center N with m∠MNP=124 ∘ and MN=13, the area of sector MNP is approximately equal to 194.86 square units.
To find the area of a sector of a circle, we need to use the formula:
Area of sector = (central angle/360°) x πr²
Where r is the radius of the circle.
In this problem, we know that the central angle m∠MNP is 124° and MN, which is also the radius of the circle, is 13. So we can substitute these values into the formula:
Area of sector = (124/360) x π(13)²
Area of sector ≈ 194.86
Therefore, the area of sector MNP is approximately equal to 194.86 square units.
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(-4, 2); m= -1/3
\(y = mx + b\)
Answer:
= -42
Step-by-step explanation:
for -4,2 subsitute -42
sorry if im wrong:(
what are two ratios that are equivalent to 12:13?
Answer:
24:26 and 36:39 are two ratios that are equivalent to 12:13.
Step-by-step explanation:
A student is told to work any 6 out of 10questions on an exam. In how manydifferent ways can he complete the exam?The correctness of his answers has nobearing.)A) 1,000,000B) 24D) 5040C) 210
Given:
Number of questions = 10
Number of ways = 6
Let's find the different number of ways he can complete the exam.
To find the number of aysm, we are to use the combination formula:
\(^nC_r=\frac{n!}{r!(n-r)!}\)Where:
n = 10
r = 6
Hence, we have:
\(\begin{gathered} ^{10}C_6=\frac{10!}{6!(10-6)!} \\ \\ =\frac{10!}{6!(4)!} \\ \\ =\frac{10*9*8*7*6!}{6!(4*3*2*1)} \\ \\ =\frac{10*9*8*7}{4*3*2*1} \\ \\ =\frac{5040}{24} \\ \\ =210 \end{gathered}\)Therefore, the number of ways he can complete the exam is 210 ways.
ANSWER:
210
Explain how you can find the sign of the product of two or more rational numbers.
Answer:
Step-by-step explanation:
If the sign of one number is positive and the other is negative then the product is negative. Otherwise the product i is positive.
- * + = -
+ * + = +
- * - =+
Every female bear has 3 baby cubs. What is the constant of proportionality for the ratio of cubs to female bears? (4 points)
one-half
one-third
3
2
WILL GIVE BRAINLEST
Answer:
3:1 ratio
Step-by-step explanation:
Answer:
its three (c)
Step-by-step explanation: for every one female bare is 3 cubs