Answer:
180
Explanation:
5% of x = 9
9 × 100 = 900
900 ÷ 5 = 180
So,
5% of 180 = 9
5Answer:
45
Step-by-step explanation:
9x0.5=4.5
power 121.three consecutive prime numbers, each less than $100$, have a sum that is a multiple of $5$. what is the greatest possible sum?
The three greatest consecutive prime numbers where the sum is a multiple of 5 are 3, 5, and 7.
We have,
To find the three consecutive prime numbers with a sum that is a multiple of 5 and each less than 100, start by listing the prime numbers less than 100:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Check each combination:
(2, 3, 5): Sum = 2 + 3 + 5 = 10 (which is a multiple of 5)
(3, 5, 7): Sum = 3 + 5 + 7 = 15 (which is a multiple of 5)
(5, 7, 11): Sum = 5 + 7 + 11 = 23 (not a multiple of 5)
(7, 11, 13): Sum = 7 + 11 + 13 = 31 (not a multiple of 5)
(11, 13, 17): Sum = 11 + 13 + 17 = 41 (not a multiple of 5)
(13, 17, 19): Sum = 13 + 17 + 19 = 49 (which is not a multiple of 5)
(17, 19, 23): Sum = 17 + 19 + 23 = 59 (not a multiple of 5)
(19, 23, 29): Sum = 19 + 23 + 29 = 71 (not a multiple of 5)
(23, 29, 31): Sum = 23 + 29 + 31 = 83 (not a multiple of 5)
(29, 31, 37): Sum = 29 + 31 + 37 = 97 (not a multiple of 5)
(31, 37, 41): Sum = 31 + 37 + 41 = 109 (which is not a multiple of 5)
(37, 41, 43): Sum = 37 + 41 + 43 = 121 (which is not a multiple of 5)
(41, 43, 47): Sum = 41 + 43 + 47 = 131 (not a multiple of 5)
(43, 47, 53): Sum = 43 + 47 + 53 = 143 (which is not a multiple of 5)
(47, 53, 59): Sum = 47 + 53 + 59 = 159 (which is not a multiple of 5)
(53, 59, 61): Sum = 53 + 59 + 61 = 173 (not a multiple of 5)
(59, 61, 67): Sum = 59 + 61 + 67 = 187 (not a multiple of 5)
(61, 67, 71): Sum = 61 + 67 + 71 = 199 (not a multiple of 5)
(67, 71, 73): Sum = 67 + 71 + 73 = 211 (not a multiple of 5)
(71, 73, 79): Sum = 71 + 73 + 79 = 223 (not a multiple of 5)
(73, 79, 83): Sum = 73 + 79 + 83 = 235 (which is a multiple of 5)
(79, 83, 89): Sum = 79 + 83 + 89 = 251 (not a multiple of 5)
(83, 89, 97): Sum = 83 + 89 + 97 = 269 (not a multiple of 5)
Thus,
The three greatest consecutive prime numbers where the sum is a multiple of 5 are 3, 5, and 7.
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9. You decide to invest $500 into a 4-year CD that pays 2.85% interest
compounded monthly.
Use the compound interest formula A = P(1 + r/n) ^nt to give:
a. The future value in 4 years.
b. The interest gained in 4 years.
The compound interest formula [tex]A = P(1 + r/n) ^nt[/tex] Monthly compounding is a common strategy used by interest-bearing CDs to boost returns. The annual interest rate is divided by twelve in this scenario.
How to calculate interest ?After 4 years, you should have $763 in your account.After four years of saving $4 every month, your funds may reach $762.90. This includes a $500.00 initial balance and a 2.85% yearly rate of return.
Invest $500 in a 4-year certificate of deposit (CD) earning 2.85% interest compounded monthly.utilizing the compound interest formula [tex]A = P ( 1 + r / n ) ^{nt}[/tex]
The formula for calculating simple interest is S.I. = P R T, where P stands for principal, R for the annual percentage rate of interest, and T for time, which is typically expressed as the number of years. The interest rate is expressed as a percentage, or r%, and should be represented as r/100.
Many interest-bearing CDs use monthly compounding to increase returns. This model divides the annual interest rate by twelve.
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1/2 of a 360
circle in degrees
Answer:
Step-by-step explanation:
180 because if you add 180 + 180 = 360
there are 5 children on your guest list and 40 people in total. what percentage of the people are children?
Answer: 12.5%
Step-by-step explanation:
5/40
0.125 x 100
12.5%
Answer:
2 children I believe so
Step-by-step explanation:
because you take 40%×5 and u will get 2
Olivia want to have a 90 average in algebra, where tet count for 55%, quizze count for 30ge % and homework count for 15%. If he ha a 92 tet average and 100% HW average, what mut her quiz average be? Let x = the average of the
In order to score 90 average in algebra her quiz average should be 82%.
It involves calculating the result of multiplying a number of quantities by their sum, then dividing the result by the total number of quantities.
Given,
She has a test grade of 55%, a quiz grade of 30%, and a homework grade of 15%.
If she achieved a score of 92% on the test
Make x the number of tests,
x = (90 - (0.55(92) + 0.15(100)))/0.30
x = 82
To receive a 90 in math, Olivia needs to have a quiz average of 82.
One of the oldest subfields of mathematics, algebra covers number theory, geometry, and analysis. Algebra is also defined as the study of mathematical rules and symbols through the manipulation of those mathematical symbols.
Algebra covers a wide range of topics, from the study of abstractions to the solution of simple equations.
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Consider the system of equations
5x+3y=30
−5x−2y=−25
Part A: Solve the system. Show your work.
Part B: Use the solution to your equation to find the value of x – y. Show your work.
x−y =
The solution for the system of equations is the point (3, 5), and the difference x - y gives:
x - y = -2
How to solve the system of equations?Here we have the following system of equations:
5x + 3y = 30
-5x - 2y = -25
Notice that in the two equations we have the "5x", but in one case is positive and in the other negative, then we can just add them so we get:
(5x + 3y) + (-5x - 2y) = 30 - 25
(5x - 5x) + (3y - 2y) = 5
0 + y = 5
y = 5
So we found the value of y, by evaluating the second linear equation in y = 5 we will get:
-5*x - 2*5 = - 25
-5x = -25 + 2*5
-5x = -25 + 10
-5x = -15
x = -15/-5 = 3
So y = 5 and x = 3, the difference x - y gives:
3 - 5 = -2
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7. What is the number?
The number is between 10 and 20.
The number is composite.
The number is odd.
Answer:
The number is 15
Answer:
15
Step-by-step explanation:
The number is between 10 and 20.
10 11 12 13 14 15 16 17 18 19 20
The number is composite or have more than 2 factors.
10 12 14 15 16 18 20
The number is odd.
15
1/2 - 1/7 =
3/5 - 1/2
Answer:
1/2 - 1/7 = 5/14
3/5 - 1/2 = 1/10
Step-by-step explanation:
Roger is moving 40 1/2pounds of bricks for a landscaping project. He moves 7 1/3 pounds of bricks in each load, then takes a short break. Which equation will help you solve to find out how many whole loads of bricks, b, Roger will move?
The equation to find how many loads of bricks that Roger move will be 44x=243.
What does linear equation mean?A linear polynomial over a field with zero coefficients can be used to create a linear equation. The answers to such an equation are the numbers that, when the unknowns are replaced, make the equality true.
This particular situation, in which the variable is accurately referred to as the unknown, is commonly referred to as a "linear equation."
In the case of two variables, each solution can be thought of as a point's Cartesian coordinates on the Euclidean plane. The answers to a linear equation result in a line.
Given,
Total amount of bricks load carried by Roger=40 1/2pounds
=81/2 pounds
Per each load --- 7 1/3pounds
1 load --------- 22/3 pounds
x -----81/2 pounds
(81/2)(3/22)=x
243=44x
44x=243
Therefore, the equation to find how many loads of bricks that Roger move will be 44x=243.
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what is x and what is the reason why (circle theorems)
Check the picture below.
Add. State the sum in simplest terms.
16-p
(p+4)(p-6)
+ 1⁄4 › P‡ − 4,6
p+4
The sum in simplest terms is 1/(p-6)
What is LCM?
Least Common Multiple is the meaning of the acronym LCM. The smallest number that both numbers can divide by is known as the least common multiple (LCM) of two numbers. It can also be computed for two or more different numbers. There are numerous ways to calculate the LCM of a given collection of numbers. Utilizing the prime factorization of each number and then calculating the product of the highest powers of the common prime factors yields the LCM of two integers in a short amount of time.
(16-p)/[ (p+4)(p-6) ] + 2/ (p+4)
Take LCM = (p+4)(p-6)
= [ 16-p + 2(p-6) ] / [ (p+4)(p-6) ]
= [ 16-p + 2p-12) ] / [ (p+4)(p-6) ]
= ( p +4 ) / [ (p+4)(p-6) ]
= 1/(p-6)
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What value of x makes the perimeters of the figures below equal? (see imagine attached) :)
The value of x that makes the perimeters of the figures equal is; x = 3.
What is the Perimeter of a Figure?To find the perimeter of a figure, add all its side together. That is, the sum of all its sides will give you the perimeter.
Perimeter of the triangle = (x + 6) + 5x + (3x + 3)
Open the bracket and simplify
x + 6 + 5x + 3x + 3
Combine like terms
= 9x + 9
Perimeter of the square = 4(x + 6)
= 4(x) + 4(6)
= 4x + 24
Make both equation equal to each other and find x:
9x + 9 = 4x + 24
9x - 4x = -9 + 24
5x = 15
x = 3
The value of x is 3.
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Hillary is using the figure shown below to prove Pythagorean Theorem using triangle similarity: In the given triangle ABC, angle A is 90° and segment AD is perpendicular to segment BC. The figure shows triangle ABC with right angle at A and segment AD. Point D is on side BC. Which of these could be a step to prove that BC2 = AB2 + AC2? (6 points) By the addition property of equality, AC2 plus AD2 = AB multiplied by DC plus AD2. By the addition property of equality, AC2 plus AD2 = BC multiplied by DC plus AD2. By the addition property of equality, AC2 plus AB2 = AB multiplied by DC plus AB2. By the addition property of equality, AC2 plus AB2 = BC multiplied by DC plus AB2.
Answer: By the addition property of equality, AC2 plus AB2 = BC multiplied by DC plus AB2.
identify the maximum or minimum volume to the domain and range of the graph of the function y=2(x-3)^2-4
The minimum value of the function y = 2(x - 3)² - 4 is -4. Domain of the function is set of all real numbers and the range is all real numbers ≥ -4.
What is Domain and Range of a function?Domain of a function y = f(x) is the set of all the values of x where the function is defined.
The range of the function is the set of all values of the function on the defined domain.
The given function is,
y = 2(x - 3)² - 4
y = 2(x² - 6x +9) - 4
y = 2x² - 12x + 14
This is a quadratic function and the graph of the function will be a parabola.
The parabola is directed upwards if the coefficient of x² in a quadratic equation is positive and so will be having a minimum value.
The parabola is directed downwards if the coefficient of x² is negative and so will be having the maximum value for the function.
Here, coefficient of x² = 2, is positive.
So there will be a minimum value.
The value of [tex]\frac{-b}{2a}[/tex] in the quadratic equation ax² + bx + c, is the x value of the vertex of the parabola.
x = - (-12) / (2 × 2) = 3
∴ Minimum value, y = 2 (3 - 3)² - 4 = -4
Domain of the function will be the set of all real numbers because the function is defined for all real numbers.
The range will be all real numbers ≥ -4, because any values of x in the function does not make the value of the function less than -4.
Hence the minimum value of the function is -4 and the domain and the range of the function is set of all real numbers and all real numbers ≥ -4 respectively.
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Find the measure of angle f given the information below.
A= 122 degrees
E=48 degrees the image is below!!
Answer:
74
Step-by-step explanation:
if a is 122 b is 58
b is congruent to g to g=58
58+48=106
180-106=f
180-106=74
The expression below is the factorization of what polynomial? Write
exponents with the caret (^). For example, enter x² as x^2.
(2x+3)(3x + 5)
What is the equation of the parabola with focus (1, 6) and directrix y = 1?
An equation of the parabola with focus (1, 6) and directrix y = 1 is: C. y = 1/10(x²) - 1/5(x) + 18/5
How to determine the equation of a parabola?Mathematically, the standard equation of the directrix lines for any parabola is given by:
y = a(x - h)² + 2.
Where:
h and k are the vertex.a is a point.Since the directrix is horizontal, the axis of symmetry would be vertical. Therefore, the equation of this parabola would be modeled by this standard mathematical expression;
(x - h)² = 4p(y - k)
Where:
h = 1
In Mathematics, the focus for either a right or left parabola is modeled by this mathematical expression (h + p, k) while its directrix is modeled by this mathematical expression x = h - p;
k + p = 6
k - p = 1
Solving the set of linear equations simultaneously, we have:
2k = 7
k = 7/2
For the value of p, we have;
p = 6 - k
p = 6 - 7/2
p = 5/2
Substituting the given parameters into the formula, we have;
(x - 1)² = 4(5/2)(y - 7/2)
x² - 2x + 1 = 10(y - 7/2)
x² - 2x + 1 = 10y - 35
10y = x² - 2x + 1 + 35
10y = x² - 2x + 36
y = (x² - 2x + 36)/10
y = x²/10 - x/5 + 18/5
y = 1/10(x²) - 1/5(x) + 18/5
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A shopper at a clearance sale is pleased to discover some lamps on sale for $9 each. The original price tags read $30. What percentage is the discount?
Answer: 70% of a discount
Step-by-step explanation:
Ome of the children at a chool arrive by car
- 30% of the tudent at the chool are boy
- 60% of the boy at the chool arrive by car
- 80% of the girl at the chool arrive by car
what i the probability a child choen at random from the chool arrive by car
The probability that a child chosen at random from the school arrives by car is the total of the column Car 74%.
Describe probability using an example?
By dividing the number of preferable possibilities by the total number of potential outcomes, probability, which measures the likelihood that an event will occur, is obtained.
The most basic illustration is a coin toss. There are only two outcomes that can occur when you flip a coin: either heads or tails.
You can build a two-way relative frequency table to represent the data:
These are the columns and rows:
Car No car Total
Boys
Girl
Total
Fill the table
30% of the children at the school are boys
Car No car Total
Boys 30%
Girl
Total
60% of the boys at the school arrive by car
That is 60% of 30% = 0.6 × 30% = 18%
Car No car Total
Boys 18% 30%
Girls
Total
By difference you can fill the cell of Boy and No car: 30% - 18% = 12%
Car No car Total
Boy 18% 12% 30%
Girl
Total
Also, you know that the grand total is 100%
Car No car Total
Boy 18% 12% 30%
Girl
Total 100%
By difference you fill the total of Girls: 100% - 30% = 70%
Car No car Total
Boy 18% 12% 30%
Girl 70%
Total 100%
80% of the girls at the school arrive by car
That is 80% of 70% = 0.8 × 70% = 56%
Car No car Total
Boy 18% 12% 30%
Girl 56% 70%
Total 100%
Now you can finish filling in the whole table calculating the differences:
Car No car Total
Boy 18% 12% 30%
Girl 56% 14% 70%
Total 74% 26% 100%
Having the table completed you can find any relevant probability.
The probability that a child chosen at random from the school arrives by car is the total of the column Car 74%.
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A hospital is going to be built in the land of the shape of a rhomus having its
diagonals 250 m and 480 m respectively in a mountainous district of Nepal. Find
the area covered by the hospital in Ropani. (1 Ropani = 508.72 m²).
Answer:
117.94 Ropani
Step-by-step explanation:
Area Of Rhombus=½×d1×d2
=½×480×250
=60,000m²
1Ropani=508.72 {As Given}
60,000m²=(60,000÷508.72)Ropani
=117.94 Ropani
Answer:
60000 m^2
117.943 ropani
Step-by-step explanation:
the area of rhombus = 250 × 480 ÷2=60000 m^2
60000 m^2 = 117.943 ropani
Solve each system by elimination: x+5y=4 3x-7y=-10
Answer: x= -1 y= 1
Step-by-step explanation: Times -3 to get the same x
-3x - 15y = -12
3x - 7y = -10
-22y = -22
y= 1
Then put 1 back in for letter y and you get x= - 1
(a) at least how many sets must be printed to be sure of having at least 4 identical subsets on the list?
The number of sets to be printed to ascertain at least 4 identical subset is there on the list when a computer is printing out subsets of a 5 element set is 97.
The total number of subset for a n element set is 2^{n}. Therefore, for a 5 element set is 2^{5} = 32.
Thus to ensure there are at least 4 identical subset, the computer should print 3 times the total number of subsets possible plus 1 additional subset, i.e. 3×32 + 1 = 97.
-- The question is incomplete, the correct question is as follows --
"A computer is printing out subsets of a 5 element set (possibly including the empty set). a. at least how many sets must be printed to be sure of having at least 4 identical subsets on the list?"
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A washer and dryer cost a total of $1132. The cost of the washer is three times the cost of the dryer. Find the cost of each item.
Cost of washer:
Cost of dryer:
Answer:
Washer = $849
Dryer = $283
Step-by-step explanation:
Dryer = x
Washer = 3x
3x + x = 1132
Simplify:
4x = 1132
Divide both sides by 4:
x = 283
The dryer costs $283, and since the washer is three times the cost of the dryer, the washer is:
283x3 = 849
Determine the equation of the parabola with vertex (7,4) and a directrix y=10.
The name "parabola" is due to Apollonius, who discovered many properties of conic sections. It means "application",
What is the parabola?pa·rab·o·la pə-ˈrab-ə-lə : a curve formed by the intersection of a cone with a plane parallel to a straight line in its surface : a curve formed by a point moving so that its distance from a fixed point is equal to its distance from a fixed line. : something that is bowl-shaped.This form is called the standard form of a quadratic function. The graph of the quadratic function is a U-shaped curve is called a parabola. The graph of the equation y=x2, shown below, is a parabola.The general equation of a parabola is: y = a(x-h)2 + k or x = a(y-k)2 +h, where (h,k) denotes the vertex. The standard equation of a regular parabola is y2 = 4ax. Some of the important terms below are helpful to understand the features and parts of a parabola.
The equation of the parabola with vertex (-8,5) and directrix y= -3 is given by .
It is given to us that -
The vertex of the parabola = (-8,5)
The directrix of the parabola is y = -3
We have to find the equation of the parabola with the given vertex and directrix.
We know that any point on a given parabola represented as () is equidistant from the directrix and the focus.
So, the equation for the point can be represented as
[tex][y-(-3)]=\sqrt{([x-(-8} ]^{2} +(y-5)^{2}[/tex]
[tex](y+3)^2} =(x+8)^{2} +(y-5)^{2} \\=y^{2}+9+2*y*3=(x+8)^{2} +y^{2}+25-2*y*(-5)=6y-10y=(x+8)^{2} +16=-4y=(xx+8)^{2} +16=y=\frac{-1}{4} (x+8)^{2}+4[/tex]
Thus, the equation of the parabola with vertex (-8,5) and directrix y= -3 is given by .[tex]=y=\frac{-1}{4} (x+8)^{2} +4[/tex]
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Given that log,m=n, express 25n+2 in terms of m.
Answer:
25n+2 can be expressed as log,m^25+2.
Step-by-step explanation:
Since log,m=n, we can write 25n+2 as 25*log,m+2.
Using the property of logarithms that log,a+log,b=log,ab, we can rewrite 25*log,m as log,m^25.
What is the y-intercept of this line?
Answer: b=13
Step-by-step explanation:
This equation is in point-intercept form: y = mx + b
slope = m = 4/3
y-intercept = b = 13
Ben bought one share of stock for $40. He watched the
price of his stock every day for a week. On Monday, the
stock moved 2.5 points up. On Tuesday, it moved 1.75
points down. On Wednesday, it moved p points. On
Thursday and Friday, the stock moved 0.75 points up
each day. If the price of the stock was $45 at the end of
the week, what is the value of p?
Answer:2p
Step-by-step explanation:
Sam goes to lunch with a friend. The total cost of lunch is $15. Sam leaves $1.50 as a tip. What percent of the total did he tip?
what is the total amount that First Consumer Bank will receive after lending Jane $7,000 for three years at an interest rate of 5 percent, compounded annually
Answer: it is 8103.38
Step-by-step explanation:
At what number of square feet of countertop would the cost from each company be the same?
The cost from company A and company B will be the same at 40 square feet of countertop
At what number of square feet of countertop would the cost from each company be the same?Given that:
Company A will sell Mikayla a countertop according to the given
graph, which includes a $1, 000 installation fee.
Company B will sell a countertop according to the values given in the
table, which includes an $800 installation fee and a constant rate of change
With this information, you can make cost function for both Company A and Company B
Company A
A linear function is of the form y = mx + c
where c is the y-intercept (starting point) and m is the slope (rate)
c = 1000 (from the graph)
m = 1150-1000 / 10-0 (By using the 2 points on the graph: m = y2-y1/x2-x1)
m = 15
y = mx + c
y = 15x+1000
Company B
c = 800 (given)
m = 1100-1000 / 15-10 (From table)
m = 100/5 = 20
y = mx + c
y = 20x+800
Equate the two cost functions and solve for x:
20x+800 = 15x+1000
20x-15x = 1000-800
5x = 200
x = 200/5
x = 40 square feet
Therefore, at 40 square feet of countertop, the cost from each company will be the same
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