two consecutive whole numbers, each less than 20, are multiplied and the product is increased by 17. There are exactly two values of the lesser of two consecutive numbers of which the result is not a prime number. Find both values of the lesser numbers?
The two Consecutive number is 16 and 17.
What is consecutive number?
Numbers that follow one another sequentially are known as consecutive numbers. Every time there are two numbers, there is a 1 difference. The mean and median of a sequence of numbers are equal. If n is a number, then it follows that n, n+1, and n+2 are also numbers. Examples. 1, 2, 3, 4, 5.
Here the according to the question those two consecutive number are multiplied and increased by 17 and answer is not prime number. Now,
=> 1× 2+17 = 2+17 = 19(prime number)
=> 2×3+17=6+17=23(prime number)
=> 3×4 +17 = 12+17 = 29(prime number)
=> 4×5+17 = 20+17 = 37(prime number)
=> 5×6+17 = 30+17 = 47(Prime number)
=> 6×7+17 = 42+17 = 59(prime number)
=> 7×8+17 = 56+17 = 73(prime number)
=> 8×9+17 =72+17 = 89(prime number)
=> 9×10+17 = 90+17= 107(prime number)
=> 10×11+17=110+17 = 127(prime number)
=> 11×12+17=132+17 =149(prime number)
=> 12×13+17=156+17 = 173(prime number)
=> 13×14+17=182+17 = 199(prime number)
=> 14×15+17=210+17 = 227(prime number)
=> 15×16+17 = 240+17=257 (prime number)
=> 16×17+ 17= 272+17 = 289( not prime number)
Hence the two consecutive number is 16 and 17.
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i will be sooooo thankful if u helped me
Answer:
For 35 its C
Step-by-step explanation:
explain 3 factors that should be considered in the construction of index numbers
1. selection of index number: during the construction of index number it is to be kept in mind that the selection of the index number should be correct accordingly.
2. selection of formula: while the construction of index numbers it is compulsory to select the correct formula for the given question.
3. selection of price: selection of prices should be done accordingly while constructing the index numbers.`
construction of index number is also available in two parts:
1. simple
2. weighted
1. simple: the simple method is classified into simple aggregative and simple relative.
2. weighted: the weighted method is classified into a weighted aggregative and weighted average.
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What is the equation?
Answer:
9/1 x 3/1
Step-by-step explanation:
eleven of the 19 in a math class or female determine the percent of females in the class and then convert the fraction to a decimal and then to a percent round the percent to one decimal place
Answer:
57.9
Step-by-step explanation:
11/19×100=57.894 to one decimal place =57.9
If a disease outcome had odds of 1:1 in a high-risk subgroup, that would mean that the disease outcome would certainly occur (100% probability). True False
What is the answer?? 3(b-5)<-2b
Answer:
b < 3
Step-by-step explanation:
3 ( b - 5 ) < - 2b
3 ( b ) - 3 ( 5 ) < - 2b
3b - 15 < - 2b
3b + 2b < 15
5b < 15
b < 15/5
b < 3
Let f(x) = 1/x+2 and g (x) = 1/x-3. Find (f/g) (x). Assume all appropriate restrictions to the domain. help!!!!
Answer:(f/g)(x)=(1+2x)/(1-3x) where x<>0
Step-by-step explanation:
f(x)= 1/x+2= (1+2x)/x , x<>0
g(x)=1/x-3=(1-3x)/x , x<>0
=>f(x)/g(x)= (1+2x)/(1-3x) , x<>0
This is a cross-sectional view of candy bar ABC. A candy company wants to create a cylindrical container for candy bar ABC so that it is circumscribed about the candy bar. If = 4 cm, what is the smallest diameter of wrapper that will fit the candy bar?
Answer:
Step-by-step explanation:
No figure supplied, so lots of assumptions needed.
Assume side length of triangle is 4 cm.
( If = 4 cm means ??)
Assume ABC is equiangular, all three angles are 60 degrees.
(This is a cross-sectional view, but don't see any)
Side length = 4
altitude of triangle = 4 sin(60) = 2sqrt(3)
radius of circumscribed circle of equilateral triangle
R = (2/3) altitude
= (2/3)*2sqrt(3)
= (4/3)sqrt(3)
Diameter
D = 2R
= (8/3) sqrt(3)
Answer: 8 cm
Step-by-step explanation:
The figure in the image attached below shows that there are two specific angles that are congruent to each other, angles AD and CD.
We are given the length of one of these angles:
AD= 4 cm so we must multiply 4 by 2, since there are TWO angles measuring 4 cm.
4 cm x 2 angles (AD and CD) =8 cm.
Proof of answer is shown below!
Consider a triangle ABC like the one below. Suppose that A = 27°, b=42, and c= 72. (The figure is not drawn to scale.) Solve the triangle.
Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth.
If there is more than one solution, use the button labeled "or".
Continue
Breaking
news
B
Search
B = ₁₁ c = 0₁₁a = 0
a
□ OD
X
No
solution
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99+
The solution to the triangle is: a ≈ 22.4, b = 4 , c ≈ 77.2 ,A = 27° ,B ≈ 42.5°
C ≈ 110.5° we got the answer by using law of sine
what is law of sine?
The Law of Sines, also known as the Sine Rule, is a mathematical formula used in trigonometry to relate the sides and angles of a non-right-angled triangle. It states that the ratio of the length of a side of a triangle to the sine of the angle opposite that side is the same for all three sides of the triangle.
In the given question,
Using the law of sines and the fact that the angles of a triangle sum up to 180 degrees, we can solve for the missing parts of the triangle:
sin(A)/a = sin(B)/b = sin(C)/c
sin(27)/a = sin(B)/42 = sin(C)/72
We can use the first equation to solve for a:
a = b(sin(A)/sin(B)) = 42(sin(27)/sin(B)) ≈ 22.4161
Next, we can use the second equation to solve for sin(B):
sin(B) = b(sin(A)/a) = 42(sin(27)/a) ≈ 0.6822
Taking the inverse sine, we find that B ≈ 42.4827 degrees.
Now we can use the fact that the angles of a triangle sum up to 180 degrees to solve for C:
C = 180 - A - B ≈ 110.5173 degrees.
Finally, we can use the law of sines again to solve for the remaining side, c:
c = a(sin(C)/sin(A)) = 22.4161(sin(110.5173)/sin(27)) ≈ 77.2352
Therefore, the solution to the triangle is:
a ≈ 22.4
b = 42
c ≈ 77.2
A = 27°
B ≈ 42.5°
C ≈ 110.5°
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Solve the system by using any method. If a system does not have one unique solution, state whether the system is inconsistent or whether the equations are
dependent.
2x+y=6
x+1/2y=3
The simultaneous equations 2x + y = 6 and x + y/2 = 3 are dependent because both equations are the same and they have an infinite number of solutions that satisfy both equations.
What are dependent simultaneous equations?A system of simultaneous equations is called dependent if it has infinitely many solutions. In other words, one equation in the system can be obtained by adding or subtracting multiples of the other equation(s), or if all the equations represent the same line or plane in higher dimension.
We can write the equations as:
2x + y = 6...(1)
x + y/2 = 3...(2)
equation (2) can be rewritten as follows:
(2x + y)/2 = 3 {simplifying the left hand side to a single denominator}
2x + y = 2 × 3 {cross multiplication}
2x + y = 6
We can observe that equations (1) and (2) are the same. Any value of x and y that satisfies the equation 2x + y = 6 will also satisfy the second equation, x + y/2 = 3.
In conclusion, the simultaneous equations 2x + y = 6 and x + y/2 = 3 are dependent because both equations are the same, hence they have an infinite number of solutions that satisfy both equations.
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6x = 52 − 2y 5x + 7y = 70 Question 1 What is the first step when solving the given system by the elimination method?
The solution of the equations 6x = 52 − 2y and 5x + 7y = 70 by elimination method will be (7, 5).
What is the solution to the equation?In other words, the collection of all feasible values for the parameters that satisfy the specified mathematical equation is the convenient storage of the bunch of equations.
The equations are given below.
6x = 52 - 2y
6x + 2y = 52
3x + y = 26 ...1
5x + 7y = 70
(5/7)x + y = 10 ...2
Subtraction equation 2 from equation 1, then we have
3x - (5/7)x = 26 - 10
(16/7)x = 16
x = 7
Then the value of 'y' is given as,
3(7) + y = 26
21 + y = 26
y = 5
The solution of the equations 6x = 52 − 2y and 5x + 7y = 70 by elimination method will be (7, 5).
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If B = (8, 145, 287, 7005). Find the outer measure of B, i.e µ*(B).
Answer:
Step-by-step explanation:To find the outer measure of B, denoted as µ*(B), we need to take the infimum of the sums of the lengths of the intervals that cover B.
We start by considering a cover of B by intervals. Since B is a set of four points, we can construct a cover of B with four intervals, each containing one of the points. Specifically, we define:
I1 = (8 - ε, 8 + ε)
I2 = (145 - ε, 145 + ε)
I3 = (287 - ε, 287 + ε)
I4 = (7005 - ε, 7005 + ε)
where ε is a small positive number.
Then, the lengths of these intervals are:
|I1| = 2ε
|I2| = 2ε
|I3| = 2ε
|I4| = 2ε
The sum of the lengths of these intervals is:
|I1| + |I2| + |I3| + |I4| = 8ε
Since ε can be made arbitrarily small, we can take the infimum of the sum of the lengths of the intervals over all covers of B by intervals. Therefore, we have:
µ*(B) = inf{|I1| + |I2| + |I3| + |I4|} = inf{8ε} = 0
Hence, the outer measure of B is 0.
Joe and Amanda are digging a trench to lay pipe for a new sprinkler system. The information below shows how many meters they can dig per hour. Time (hours) 1 2 3 4 5 Distance (meters) 8.5 17 25.5 34 If the rate of meters per hour remains the same, how many meters can they dig in 5 hours? 39 meters
Answer:
They dig 42.5 meters in 5 hours
Step-by-step explanation:
The following information was given:
Time (hours) Distance (meters)
1 8.5
2 17
3 25.5
4 34
5 x
Finding x when the rate of meters per hour remains the same
Let us first find the rate in meters per hour
rate = change in distance ÷ change in time
Between 1 and 2 hours
\(rate = \frac{d_2 - d_1}{t_2 - t_1} \\where:\\d_2 = 17 m\\d_1 = 8.5m\\t_2 = 2\ hours\\t_1 = 1\ hour\\\therefore\ rate = \frac{17 - 8.5}{2-1} \\rate =\frac{8.5}{1} \\rate = 8.5\ m/hr\)
This means that for every additional 1 hour, 8.5 meters is dug
Finding the meters dug in 5 hours
4 hours = 34 meters
4 hours to 5 hours = 1 hour
for every additional 1 hour, 8.5 meters are dug
∴ 4 hours to 5 hours = 34 + 8.5
4 hours to 5 hours = 42.5 meters
Please help i need this done as soon as possible will mark brainly!!!!!!!!
Answer:
it's A
Step-by-step explanation:
if you go to the fair they also tell you the price for one ticket then you have to add all that up to see how much money you need for that much people that you bring so it would make more since
20. There is a number x sum that x2 is irrational but x is rational. Then x can be
(a) √5102.0 (£)
(b) √2
(c) 3/2
(d) 4/5
The correct answer is 3/2. In this case, x = 3/2, and its square, (3/2)^2 = 9/4, is rational. x satisfies the given condition.option (c)
To explain further, we need to understand the properties of rational and irrational numbers.
A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a fraction and has non-repeating, non-terminating decimal representations.
In the given options, (a) √5102.0 (£) and (b) √2 are both irrational numbers.
Their squares, (√5102.0)^2 and (√2)^2, would also be irrational, violating the given condition. On the other hand, (d) 4/5 is rational, and its square, (4/5)^2 = 16/25, is also rational.
Option (c) 3/2 is rational since it can be expressed as a fraction. Its square, (3/2)^2 = 9/4, is rational as well.
Therefore, (c) 3/2 is the only option where x is rational, but its square is irrational, satisfying the condition mentioned in the question.
In summary, the number x that satisfies the given condition, where x^2 is irrational but x is rational, is (c) 3/2.option (c)
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A cruise ship is currently 5 kilometers away from its port and is traveling away from the port at 5 kilometers per hour. The function y = 5x +5 relates the number of kilometers y the ship will be from its port x hours from now. How far will the cruise ship be from its port 4.5 hours from now?
The cruise ship will be _______ kilometers away from port in 4.5 hours.
Answer:
the function y=5x+5
plug in the hours 4.5 for x
y=5(4.5)+5
=27.5kilometers
What’s (-6 - 4) divided by (-5)
Answer:
in fraction form is 6/20 in decimal form its 0.3
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
(-6 - 4) ÷ -5 = 2
f(x) = 4x-5 ; translation 3 units up. All I need is to write it out as a function
9514 1404 393
Answer:
g(x) = 4x -2
Step-by-step explanation:
The translation of f(x) up by k units is accomplished by adding k to each function value:
g(x) = f(x) +k
For your function, translation up 3 units gives the function ...
g(x) = f(x) +3 = 4x -5 +3
g(x) = 4x -2
Solve the matrix equation
Answer:
Step-by-step explanation:
no.
Belle will randomly select two cards without replacement what is the probability that both will choose two hearts
The probability that Belle will select two hearts is 2/15.
To find the probability of Belle selecting two hearts, we need to calculate the probability of selecting a heart on the first draw and then, given that the first card was a heart, the probability of selecting another heart on the second draw.
Total number of cards = 3 (star cards) + 4 (hearts cards) + 3 (spade cards) = 10 cards
Probability of selecting a heart on the first draw = 4 (hearts cards) / 10 (total cards) = 2/5
After selecting a heart on the first draw, there will be 9 cards remaining, with 3 hearts cards left.
Probability of selecting a heart on the second draw, given that the first card was a heart = 3 (hearts cards) / 9 (remaining cards) = 1/3
To find the probability of both events happening (selecting two hearts), we multiply the probabilities:
Probability of selecting two hearts = (2/5) x (1/3) = 2/15
Therefore, the probability that Belle will select two hearts is 2/15.
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You given the function
f(x) = 4(3)^x +2
find the initial amount
find the amount After 2 years?
Amount After 3.5 years
**As you find each one label it as 1,2, and 3
A standard die is rolled. Find the probability that the number rolled is less than 3. Express your answer as a fraction
Once a die has the numbers 1,2,3,4,5 and 6, it means the numbers that are less than 3 are just the numbers 1 and 2. Now the probability can be built as follows:
As we can see above, once there are just two possibilities of numbers that are less than 3, the probability that the number rolled is less than 3 is equal to 2/6.
Kiran reads 5 pages in 20 minutes. He spends the same amount of time per page. How long will it take him to read 11 pages? Do not include units (in minute) in your answer. If you get stuck, consider using the table.
Answer:
44 minutes
Step-by-step explanation:
It takes him 4 minutes to read one page, so you multiple 4 by 11 and get the amount of time it takes him to read 11 pages
Answer:
takes 44 minutes to read 11 pages
Step-by-step explanation:
Check image, 7th grade work.
a right triangle is shownwhich angle measure is closet to x
We know that
\(\cos (x)=\frac{20}{24}\)Solving for x,
\(\begin{gathered} x=\cos ^{-1}(\frac{20}{24}) \\ \Rightarrow x=33.56 \end{gathered}\)x is aproximately 33.56
(3x + 5y = 7
{ 4x - y = 5
Answer:
Step-by-step explanation:
Solution by substitution method
3x+5y=7
and 4x-y=5
Suppose,
3x+5y=7→(1)
and 4x-y=5→(2)
Taking equation (2), we have
4x-y=5
⇒y=4x-5→(3)
Putting y=4x-5 in equation (1), we get
3x+5y=7
⇒3x+5(4x-5)=7
⇒3x+20x-25=7
⇒23x-25=7
⇒23x=7+25
⇒23x=32
⇒x=32/23
→(4)
Now, Putting x=32/23
in equation (3), we get
y=4x-5
⇒y=4(32/23)-5
⇒y=(128-115)/23
⇒y=13/23
∴y=13/23 and x=32/23
What is the domain of the sine and cosine functions?
O A. -1
B. -1
O C. All real numbers
O D. r7 + na
Answer:
all real numbers
only the range value is with a minimum of -1 and a maximum of 1 unless there's a vertical shift.
The domain of the sine and cosine functions are all real numbers
What are domain and range?The domain of a function is the set of values that we are allowed to plug into our function. This set is the x values in a function such as f(x). The range of a function is the set of values that the function assumes. This set is the values that the function shoots out after we plug an x value in.
The range is the set of outputs of a relation or function. In other words, it's the set of possible y values. Recall that ordered pairs are of the form (x,y) so the y coordinate is listed after the x. The output is listed after the input.
Given data ,
Let the domain of the function be represented as D
Now , the functions are
f ( x ) = sin x
g ( x ) = cos x
where the trigonometric functions have the range as [ -1 , 1 ]
And , sine and cosine of an angle have the same absolute value as the sine and cosine of its reference angle
Therefore , the value of D is all real numbers
Hence , the domain is all real numbers
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Use the commutative law of multiplication to write an expression equivalent to: (5x)y.
Answer:
(5y)x
Step-by-step explanation:
the commutative law of multiplication=ab=ba, a(bc)=c(ab)
(5x)y=(5y)x=5(xy)
Suppose y = 2x – 2.5. Find x if y = 10.