Answer:
X=100
Step-by-step explanation:
I assume you want to find the value of x.
3/5x=60
5/3*60=x
x=20*5=100
Maricopa's Success scholarship fund receives a gift of $ 160000. The money is invested in stocks, bonds, and CDs. CDs pay 4 % interest, bonds pay 3.6 % interest, and stocks pay 8 % interest. Maricopa Success invests $ 15000 more in bonds than in CDs. If the annual income from the investments is $ 7520 , how much was invested in each account?
Maricopa Success invested $ ______ in stocks.
Maricopa Success invested $ ______ in bonds.
Maricopa Success invested $ ______ in CDs.
The amount that was invested in each account is:
Maricopa Success invested $47,858 in stocks.
Maricopa Success invested $63,571 in bonds.
Maricopa Success invested $47,571 in CDs.
How to find the amount invested?Let c represent Cds
Let b represent bonds
Let s represent stocks
Equations:
b = c + 15000
s = 160000 - b - c = 160000 - c - 15000 - c = -2c + 145,000
0.08(-2c + 145000) + 0.036(c + 15000) + 0.04c = 7520
-0.16c + 11600 + 0.036c + 540 + 0.04c = 7520
-0.084c = -4,080
Divide both side by -0.084
c = -4,080 / 0.084
c= $48,571 (CDs)
b = 48,571+ 15000
b=$63,571 (bonds)
s = 160,000 - $63,571- 48,571
s= $47,858 (stock)
Therefore Maricopa Success invested $47,858 in stocks,Maricopa Success invested $63,571 in bonds and Maricopa Success invested $47,571 in CDs.
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I’ll mark you BRAINLIST please help!!
I'm sorry i don't know :(
Write equation of hyperbola from key features
Check the picture below, so the hyperbola looks more or less like so.
the center of the hyperbola is half-way between the foci, so namely at (-2 , -1) as you see there, since we know the covertices, half that distance is the "b" component, so all we're really missing is the "a" component, but we know what "c", since it's just the distance from a foci to the center, so
[tex]\textit{hyperbolas, horizontal traverse axis } \\\\ \cfrac{(x- h)^2}{ a^2}-\cfrac{(y- k)^2}{ b^2}=1 \qquad \begin{cases} center\ ( h, k)\\ vertices\ ( h\pm a, k)\\ c=\textit{distance from}\\ \qquad \textit{center to foci}\\ \qquad \sqrt{ a ^2 + b ^2} \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \begin{cases} h=-2\\ k=-1\\ b=15 \end{cases}\implies \cfrac{( ~~ x- (-2) ~~ )^2}{ a^2}-\cfrac{( ~~ y- (-1) ~~ )^2}{ 15^2}=1[/tex]
[tex]\stackrel{\textit{we know that}}{c=17}\qquad 17=\sqrt{a^2+15^2}\implies 17^2=a^2+15^2\implies 17^2-15^2=a^2 \\\\\\ \sqrt{17^2-15^2}=a\implies \sqrt{64}=a\implies 8=a \\\\[-0.35em] ~\dotfill\\\\ \cfrac{( ~~ x- (-2) ~~ )^2}{ 8^2}-\cfrac{( ~~ y- (-1) ~~ )^2}{ 15^2}=1\implies {\Large \begin{array}{llll} \cfrac{(x+2)^2}{64}-\cfrac{(y+1)^2}{225}=1 \end{array}}[/tex]
Liam spent $5.76 on 12 pounds of potatoes. How much did he spend per pound? How to solve this step by step
He spend 0.48 per pounds
What is division ?
Division in mathematics is the process of dividing an amount into equal parts. For instance, we may split a group of 20 people into four groups of 5, five groups of 4, and so on.
One of the four fundamental arithmetic operations, or how numbers are combined to create new numbers, is division. The other operations are multiplication, addition, and subtraction.
A group is divided into equal portions. Division can be used to divide a class into equal groups for a game or activity, or even to divide a pizza among a group of friends in equal quantities. Partitive division and quotative division are the two types of division.
As it is $5.76 for 12 pounds
∴ for one pound
5.76 / 12
= 0.48 pounds
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Use the number line to explain why 2 is 10 times the value of 2.0
on the number line, 2.0 is to the right of 2, and multiplying 2.0 by 10 moves it 10 times as far to the right as 2.0 is from 2. This is why 2 is 10 times the value of 2.0.
What is the number line?
The number line is a visual representation of the set of all real numbers, which are the numbers that can represent any value on the continuous number scale, including fractions and decimals. On the number line, each point corresponds to a specific real number.
The number 2 is represented by a point on the number line, as is the number 2.0. These two numbers are different because 2.0 is a decimal number, while 2 is a whole number.
2 is 10 times the value of 2.0 if you multiply 2.0 by 10. This is because multiplying a number by 10 shifts its decimal point one place to the left, which increases its value by a factor of 10. For example, if you multiply 2.0 by 10, you get 20.0, which is 10 times the value of 2.0.
Hence, on the number line, 2.0 is to the right of 2, and multiplying 2.0 by 10 moves it 10 times as far to the right as 2.0 is from 2. This is why 2 is 10 times the value of 2.0.
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10 points cause it not thay hard for yall
Answer:
6,63,9 and 90
Step-by-step explanation:
The slope of the table is 9.
36/4 is equal to 9.
54/9 = 6
7*9=63
81/9=9
10*9=90
Write an equation for the parabola that:
Has a y-intercept of (0,8), an a value of 6 , and passes through the point (-1,8)
The equation of the required parabola is y = [tex]6x^2+6x+ 8[/tex]
What is a parabola?
Parabola is a curve where all the point on the curve maintains a fixed distance from a point called the focus and a line called the directrix.
Let the equation of the parabola be y = [tex]ax^2+bx+c[/tex]
Here, a = 6
So equation of parabola is y = [tex]6x^2+bx+c[/tex]
The parabola passes through (0, 8) and (-1, 8)
Putting x = 0 and y = 8 in the equation
c = 8
y = [tex]6x^2+bx+8[/tex]
Putting x = -1 and y = 8
[tex]8 = 6(-1)^2 + b(-1) + 8\\ b = 6[/tex]
So equation of the parabola is y = [tex]6x^2+6x+ 8[/tex]
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PLEASE HURRY ASAP I NEED TO FINISH!!
Pete was building a doghouse for his dog, Chip. He made the door 32 inches tall. The height of the door was four times the height of the window in the doghouse.
Write an equation to determine the height of the window.
A. 32 equals h over 4
B. 32 = 4h
C. 32 = 4 + h
D. 32 = h − 4
Answer:
Step-by-step explanation:
B
Rajani is carrying 9.725 kg of vegetables and Mamta is carrying 8.50 kg of vegetables. Who is carrying more and how much?
Answer:
Step-by-step explanation:
let Rajani be carrying r = 9.725kg
let Mamata be carrying m = 8.500kg
difference = r - m = 9.725 - 8.500 = 1.225kg
hence Rajani is carrying 1.225kg more than Mamata
Use the Distributive property to solve the equation 2(x-3)+3=6x-5
Answer:
x = -2
Step-by-step explanation:
Isolate the variable by dividing each side b factors that don't contain the variable.
"Match the expression and its value to the value of x that gives the expression its value by filling in the box in the correct column.
Evaluate the expression 4 n-5 r for n=-2 and r=3
(A) 23
(C) 7
(B) -7
(D) -23
The surface area for a rectangular prism with a square base is given the expression 2 s²+4 s h, where s is the side length of the square h is the height of the prism. What is the surface area in square feet rectangular prism when s=4 feet and h=6feet?"
Value of the expression 4n - 5r when n = -2 and r = 3 is -23.
The surface area in square feet rectangular prism when s=4 feet and h=6feet is 128 square feet.
What do you mean by algebraic expression?
The concept of algebraic expressions is the use of letters or alphabets to represent numbers without providing their precise values. We learned how to express an unknown value using letters like x, y, and z in the fundamentals of algebra. Here, we refer to these letters as variables. Variables and constants can both be used in an algebraic expression. A coefficient is any value that is added before a variable and then multiplied by it.
Given expression:
4n - 5r
When n = -2 and r = 3
The value of the expression become,
4(-2) - 5(3)
= -8 - 15
= -23
Hence, option D is correct.
Now, it is given that the surface area for a rectangular prism with a square base is given by the expression 2s²+4sh, where s is the side length of the square h is the height of the prism.
The surface area in square feet rectangular prism when s=4 feet and h=6feet is
2[tex](4)^{2}[/tex] + 4(4)(6)
= 2(16) + 96
= 32 + 96
= 128 square feet
therefore, the surface area in square feet rectangular prism when s=4 feet and h=6feet is 128 square feet.
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A DVD costs $18.99 plus 6.5% sales tax. What is the total cost if the DVD?
Answer:
Step-by-step explanation:
To determine the total cost of the DVD, you need to calculate the amount of sales tax and add it to the cost of the DVD.
The sales tax is equal to the cost of the DVD multiplied by the sales tax rate:
Sales tax = $18.99 * 6.5% = $1.23
To determine the total cost, you need to add the cost of the DVD to the sales tax:
Total cost = $18.99 + $1.23 = $20.22
So the total cost of the DVD is $20.22.
Fun fact-
Washington Sales Tax. State Sales Tax: 6.5%
Question 2 of 15
Is this relation a function? Justify your answer.
the only criteria, really, to be a function is to assign exactly 1 y-value to every valid x-value. not 2 or 0 y-values.
we see here, x = 2 has one assigned y-value : y = 3.
x = 4 has y = 9.
x = 6 has y = 10.
x = 9 has y = 5.
there is no indication that there are more valid x-values.
each x-value used has exactly 1 y-value.
so, the criteria is fulfilled. it is a function.
Let f(x) be a polynomial with a leading coefficient of 6 and a constant term of 5. Which of the following cannot be true?
====================================================
Reason:
The leading coefficient is 6, which is the coefficient of the leading term (aka the first term). The constant is 5, which is the last term.
Here are some examples of what f(x) could be.
[tex]f(\text{x}) = 6\text{x}^2+\text{x}+5\\\\f(\text{x}) = 6\text{x}^3+2\text{x}^2-7\text{x}+5\\\\f(\text{x}) = 6\text{x}^5+4\text{x}^3-81\text{x}^2+5[/tex]
The middle terms don't matter and neither does the exponent on the leading term.
So this is what the general template would look like
[tex]f(\text{x}) = 6\text{x}^{n}+\ldots+5\\\\[/tex]
where n is a positive integer.
If we were to plug in x = 0, then all of the terms involving x go to zero. They cancel out. The only thing left standing would be the "5" at the very end.
So,
[tex]f(\text{x}) = 6\text{x}^{n}+\ldots+5\\\\f(0) = 6*0^{n}+\ldots+5\\\\f(0) = 0+0+\ldots+0+0+5\\\\f(0) = 5\\\\[/tex]
In short, the constant value is the y intercept of the polynomial curve. It allows us to quickly spot it without having to do much (or any) math.
This is why choice B is a false statement.
The other answer choices cannot be proven true or false since we don't have enough information about this particular function.
someone please answer this question and give the right answer please!
The area of the rectangle is 4 (7-2) unit².
What is rectangular shape?A rectangle is a quadrilateral with four equal vertices and parallel sides of equal length.
Given, the sides of the rectangle are 4 and 7.
And in the diagram,
The rectangle overshadowed by the rectangle having the sides 4 and 2.
So, the sides of the shaded rectangle are 4 and (7-2).
So, the area of the rectangle
= length x width
= 4 x (7-2)
= 4 (7-2)
Therefore, the area is 4 (7-2) unit².
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can anyone explain these 3 questions to me in detail and how the answer is found
The solution to the first and the second equation are 28.648 and 183.5 respectively.
What is a radical expression?A radical expression is an expression consisting of a square root or nth root.
(1) The given equation is [tex]-5\sqrt[4]{x-1}=12[/tex].
Solve the equation as follows:
[tex]-5\sqrt[4]{x-1}=12\\\\\sqrt[4]{x-1}= -\frac{12}{5}\\\\(x-1) = (-\frac{12}{5})^4\\x-1 = 27.648\\x = 28.648[/tex]
(2) The given equation is [tex]-2\sqrt[6]{4x-5}+9 =3[/tex].
Solve the equation as follows:
[tex]-2\sqrt[6]{4x-5}+9 =3\\ \\2\sqrt[6]{4x-5}= 9-3\\\\\sqrt[6]{4x-5}=3\\\\4x-5=3^6\\\\4x=729+5\\\\x=734/4\\\\x=183.5[/tex]
The third equation is the same as the first equation.
Hence, the solution to the first and the second equation are 28.648 and 183.5 respectively.
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Services provided by public service companies are also known as
OA. housing expenses
OB. bills
C. cost of living
D. utilities
Services provided by public service companies are also known as utilities.
What are public utilities, housing expenses, cost of living and bills?
The term "public utilities" describes a group of particular services offered by entities and organisations that are both public and private and make up the public services sector.
The sum of a homeowner's monthly mortgage principal and interest payments and any additional costs related to their home constitutes their total housing expense.
The cost of living is the sum of money required in a certain location and time frame to meet necessities including housing, food, taxes, and medical care.
A declaration of money owed for products or services provided is referred to as a bill.
Based on the above definition,
Hence, services provided by public service companies are also known as utilities.
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Two questions show work
1. What is 0.00526 in scientific notation?
2. What is 0.00639 in scientific notation?
1. To convert 0.00526 into scientific notation, follow these steps:
Move the decimal 3 times to right in the number so that the resulting number, m = 5.26, is greater than or equal to 1 but less than 10
Since we moved the decimal to the right the exponent n is negative
n = -3
Write in the scientific notation form, m × 10n
= 5.26 × 10-3
Therefore, the decimal number 0.00526 written in scientific notation is 5.26 × 10-3 and it has 3 significant figures.
2. To convert 0.00639 into scientific notation also known as standard form, follow these steps:
Move the decimal 3 times to right in the number so that the resulting number, m = 6.39, is greater than or equal to 1 but less than 10
Since we moved the decimal to the right the exponent n is negative
n = -3
Write in the scientific notation form, m × 10n
= 6.39 × 10-3
Therefore, 0.00639 in scientific notation is 6.39 × 10-3 and It has 3 significant figures. In scientific e-notation it is written as 6.39e-3.
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if n is an integer,what is the sum of the next three consecutive even integers greater than 2n
The sum of the next three consecutive even integers greater than 2n, where n is an integer, is: Sum = 6n + 12
What is the sum of the next three consecutive even integers?We know that n is an integer number, we want to find the sum of the next three consecutive even integers greater than 2n2n is already an even integer, and consecutive even integers are given by adding 2 to the smaller one.
Then the 3 consecutive integers larger than 2n are:2n + 22n + 42n + 6
The sum of these 3 gives:(2n + 2) + (2n + 4) + (2n + 6)3*(2n) + 2 + 4 + 66n + 12
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A large university accepts 70% of the students who apply. Of the students university, 25% actually enroll. If 20,000 students apply, how many enroll?
Answer:
350 enrolled
Step-by-step explanation:
.7 x 20000 = 1400
.25 x 1400 = 350
Answer:
3500
Step-by-step explanation:
20000 * 0.70 = 14000
14000 * 0.25 = 3500
K
Factor the trinomial.
b²-13b+40
Answer: (b-8)(b-5)
Step-by-step explanation:
Find the multiple of 40 that adds up to -13 while being mutiplied by multiples of b^2
1*-5=-5
1*-8=-8
-8-5=13
-8*-5=40
(b-8)(b-5)
Need help with this question.
580 lb to kg
(Round to the nearest hundredth as needed)
Answer:
264 kg.
Step-by-step explanation:
To convert from pounds to kilograms, divide the number of pounds by 2.20462. In this case, we have:
580 lb / 2.20462 = 263.74 kg
So, rounded to the nearest hundredth, the answer is 264 kg.
Kyle buys last years best selling hardcover for $19.50 . This is with a 25% discount from the original price. What was the original price of the novel ,
Use variable x to set up an equation to solve the given problem. DONT TAKE STEPS TO SOLVE
The answer to your problem is $26
2-[(8×2)+(8×2)]+2=A
The value of A is -28 according to arithmetic
What is BODMAS?
BODMAS is associate descriptor and it stands for Bracket, Order, Division, Multiplication, Addition, and Subtraction. In sure regions, PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction) is employed, that is that the word of BODMAS.
Main body:
According to question:
2-[(8×2)+(8×2)]+2=A
to find: value of A
firstly we need to remove brackets according to rule
⇒2-[(8×2)+(8×2)]+2
⇒2-[16+16]+2
⇒2- 32 +2
⇒-28
hence value of A is -28
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Which ordered pair is a solution of the inequality?
y ≥ 4x - 5
O (3,0)
O (1, 1)
O (2, 1)
O (3, 4)
Answer:
3_0
Step-by-step explanation:
Find the solution to the following system by substitution
y=2 x-1
y=5 x-7
A. (2,3)
B. (6/7), (5/7)
C. (-2,-5)
D. (1,1)
the correct answer is a=(2,3)
Find the equation of the line passing through (1, 5) and parallel to y = 3x – 1.
(20 POINTS!!!!!!!! SHOW YOUR WORK PLEASE!!!!)
Answer:
y = 3x - 1
y = 3x + 2
Step-by-step explanation:
Here Is The Right Lined Up Answer,
If You Expected It As A Photo Lined For An
Easier Review I Don't Have The 'Capture Photo' Button
But I Can Reuse/Repost, Here It Is:
There You Are, I Hope This Helped You Out
Don't Get Stressed You WILL Get 100%
By: LocalLesMara
A doctor has 2 doses of flu protection vaccine left. He has 5 women and 8 men who want the medication. If the
names of 2 of these people are selected at random, determine the probability that 2 men's names are selected
The problem is to be done without replacement. Use combinations to determine the probability.
The required probability for the 2 men's names are selected is 0.358.
Given that,
A doctor has 2 doses of flu protection vaccine left. He has 5 women and 8 men who want the medication.
The names of 2 of these people are selected at random, determining the probability that 2 men's names are selected is to be determined,
Probability can be defined as the ratio of favorable outcomes to the total number of events.
Here,
The number of ways to select 2 men = 8C2 = 28
The number of ways to select 2 people from 13 = 13C2 = 78
The probability of the 2 men's names being selected = 28 / 78 = 0.358
Thus, the required probability for the 2 men's names are selected is 0.358.
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Write and graph the inverse of y=-x²+9
Write the inverse of y=-x²+9
y=
(Simplify your answer. Use a comma to separate answers as needed.)
The inverse of y=-x²+9 is [tex]x=\sqrt{9-y}[/tex]
What is Inverse of a Function ?
A function takes in values, applies specific operations to them, and produces an output. The inverse function acts, agrees with the outcome, and returns to the initial function.
The output of a function is returned by the inverse function, which also returns the initial value.
If f and g are inverse functions, then f(g(x)) = g(f(x)) = x. The initial value is fetched via a function that is its inverse.
For instance, f(x) = 2x + 5 = y
Therefore, the inverse of f is g(y) = (y-5)/2 = x. (x).
The relationship that results from swapping out an independent variable with a variable that depends on a given equation; the inverse may or may not be a function.
A function is said to be an inverse function if its own inverse is represented by the symbol f-1.
[tex]x^2=9-y\\\\\x=(9-y)^\frac{1}{2}\\\\ x=\sqrt{9-y}[/tex] is the inverse of y=-x²+9
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Use quadratic regression to find a model for the following data set. (Round the terms to four decimal places.) f(x)=___________________________________x 1 3 5 6 8f(x) 2.1 7.4 28.4 34.9 64.4
Use quadratic regression a model for the following data set is [tex]y=1.96 x^2-5.2 x+5.33[/tex].
What is quadratic regression?
A statistical method called quadratic regression is used to identify the parabola equation that best fits a given collection of data. Finding the equation of the straight line that most closely fits a collection of data is the goal of this sort of regression, which is an extension of simple linear regression.
The equation of the parabola that best fits a collection of data is the process of a quadratic regression. As a consequence, we arrive at the equation y=ax2+bx+c where a≠0. The least squares approach is the most effective way to manually locate this equation.
[tex]$$\begin{aligned}& x=1, f(x)=2.1 \\& x=3 \quad f(x)=7.4 \\& x=5 \quad f(x)=20 \cdot 4 \\& y=a x^2+b x+c \\& \text { Print (1) } \\& 2 \cdot 1=a(1)^2+b \times 1+c \\& 2.1=a+b+c \\& \text { Point(2) } \\& 7.4=a(3)^2+b \times 3+c \\& 7.4=9 a+3 b+c \\& \text { Poin (3) } \\& 28.4=a(5)^2+b \times 5+c \\& 28 \cdot 4=25 a+5 b+c \\& \text { by solving (4) (5) (6) } \\& a=1.96 \\& b=-5.2 \\& c=5.33 \\&\end{aligned}$$[/tex]
so, quadratic equation -
[tex]y=1.96 x^2-5.2 x+5.33[/tex]
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