Find the value of 9x-5 given that – 2x-3=5.
Simplify your answer as much as possible.
Answer:
The value of 9x - 5 is -41.
Step-by-step explanation:
-2x - 3 = 5
-2x = 5 + 3
-2x = 8
x = -4
9x - 5
= 9(-4) - 5
= -36 - 5
= -41
How do I know where to put numbers on a graph
Answer:
X axis is on the left of the Coordinates (x,y) and Y axis is on te right
X goes sideways
Y goes Vertical
Step-by-step explanation:
solve for X . Please help !! :)
Answer:
10
Step-by-step explanation:
thats the answer
x=5
2x=10
x√3=√170
i need help
will give 30 points
Answer:
Step-by-step explanation:
hii please help i’ll give brainliest if you give a correct answer tysm
Answer:
The correct answers are:
A
D
E
Step-by-step explanation:
6 faces
2 triangles
4 squares
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
Suppose $726.56 is deposited at the end of every six months into an account earning 6.45% compounded semi-annually. If the balance in the account four years after the last deposit is to be $31 300.00, how many deposits are needed? (This question asks for 'n')
We need approximately 10 deposits to reach a balance of $31,300 four years after the last deposit which is compounded semi-annually.
To solve this problem, we can use the formula for the future value of an annuity:
\(FV = P * ((1 + r)^n - 1) / r\)
Where:
FV is the future value of the annuity
P is the periodic payment or deposit amount
r is the interest rate per period
n is the number of periods
In this case, the deposit amount is $726.56, the interest rate is 6.45% compounded semi-annually, and the future value is $31,300. We need to find the number of deposits (n).
We can rearrange the formula and solve for n:
n = log((FV * r) / (P * r + FV)) / log(1 + r)
Substituting the given values:
n = log((31,300 * 0.03225) / (726.56 * 0.03225 + 31,300)) / log(1 + 0.03225)
Using a calculator or software, we find that n ≈ 9.989.
Therefore, we need approximately 10 deposits to reach a balance of $31,300 four years after the last deposit.
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Marissa is choosing a four-digit PIN for her ATM card. The first digit must be a digit from 1 through 9. For the other three digits, she can choose any combination of digits 0 through 9, but may not repeat a digit. Which shows part of the sample space for Marissa’s PIN? 0123, 0456, 0789 1012, 1033, 1004 2345, 2034, 2134 3200, 4200, 5200
Answer:
2345,2034,2134
Step-by-step explanation:
2 is between 1-9 and 345 does not include a repeated number, the same gods for the rest
Answer:
The answer is 2345, 2034, 2134
Step-by-step explanation:
I did the quiz on edge and got it correct!
Hope this helps
when you calculate the slope, if there is a zero on the top of the fraction, then the line is
If there is a zero on the top of the fraction when calculating the slope, then the line is horizontal.
If the numerator (y2 - y1) is zero, it means that the y-coordinates of the two points on the line are the same. This indicates that the line is horizontal, because no matter how far apart the two points are horizontally (i.e., the difference between their x-coordinates), the vertical distance (y2 - y1) between them is zero.
In this case, the denominator (x2 - x1) will be non-zero, because the two points will have different x-coordinates, but since the numerator is zero, the overall fraction will be zero.
So, a zero on the top of the fraction indicates that the line has zero or undefined slope, which happens only for a horizontal or vertical line, respectively. Therefore, if there is a zero on the top of the fraction when calculating the slope, then the line is horizontal.
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Fill in the blanks!!
(Will be given brainliest for the correct answers)
Answer:↓↓↓
Step-by-step explanation:
We are given that side AB is congruent to BD. We are also given that side AC is congruent to CD.
We know that side BC and side CB are congruent because of the Reflexive property.
Therefore, ΔABC and ΔDBC are congruent because of SSS Postulate.
Hope this helped!
Simplify the expression, show all of your work.
3 +\(5^{2}\) - 9 ÷3×4
Answer:
16
Step-by-step explanation:
=3+25−9÷3(4)
=28−9÷3(4)
=28−(3)(4)
=28−12
=16
I hope this helps. Have a good day!!
If the composite functions f(g(x)) and g(f(x)) both equal x, then the function g is the____function of f.
If the composite functions f(g(x)) and g(f(x)) both equal to x, then the function g is the Inverse function of f.
What is the inverse of a function?A function that can reverse into another function is known as an inverse function or anti-function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y.
Let us take the Example.
Suppose f(x)= x/4 and g(x)=4x.
Let x=1
then f(g(x))= f(g(1))=f(4)=1
and g(f(x))=g(f(1))=g(1/4)=1
Here, f(g(x))=g(f(x))=1
Therefore , we can say that f(g(x)) and g(f(x)) are inverse of each other.
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Hannah has liabilities totaling $30,000 (excluding her mortgage of $100,000 ). Her net worth is $45,000. What is her debt-to-equity ratio? 0.75 0.45 0.67 1.30 1.00
Hannah's debt-to-equity ratio when her liabilities was $30,000 (excluding her mortgage of $100,000 ) and her net worth is $45,000 is 0.75.
Debt-to-equity ratio is a financial ratio that measures the proportion of total liabilities to shareholders' equity. To calculate the debt-to-equity ratio for Hannah, we need to first calculate her total liabilities and shareholders' equity.
We are given that Hannah has liabilities of $30,000 excluding her mortgage of $100,000. Therefore, her total liabilities are $30,000 + $100,000 = $130,000.
We are also given that her net worth is $45,000. The net worth is calculated by subtracting the total liabilities from the total assets. Therefore, the shareholders' equity is $45,000 + $130,000 = $175,000.
Now we can calculate the debt-to-equity ratio by dividing the total liabilities by the shareholders' equity.
Debt-to-equity ratio = Total liabilities / Shareholders' equity = $130,000 / $175,000 = 0.74 (rounded to two decimal places)
Therefore, Hannah's debt-to-equity ratio is 0.74, which is closest to option 0.75.
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A girl get n cedis pocket money each week. she saves her money for five weeks and buys a present for her mother which costs ghc7900.00.
i) write an expression for the amount of money left.
ii) what is the minimum amount she needs to save each week to be able to afford the gift
Answer:
1) n = 5n - 7900
2) 1580
Step-by-step explanation:
first one you just set up an equation and second one you set up a different equation and solve for N ( I divided n by 5 to get the answer)
I NEED ANSWER TO THIS!! POINTS
Answer:
Step-by-step explanation:
B : E and A
W : X
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the zeros 2, i, and -i
The function of the obtained polynomial is: \(&f=x^3-732 x^2+2177 x+7290\)
What is a polynomial function?
The simplest, most widely applied, and most significant mathematical function is a polynomial. With certain restrictions, these functions represent algebraic expressions. They also perform a wide range of tasks. Due to the wide range of applications for polynomial functions, it is crucial for someone to learn and comprehend them.
A zero is a location where a polynomial intersects the x-axis. These are called Zeros because the y values of these locations are equal to zero.
In the given question, we have:
The polynomial function f has zeros, \((-2), 5, 3^{6}\)
So, We can say that:
x-(-2); x-5; \(x - 3^{6}\) are the factors of the function f.
That means:
( x+2), (x - 5), ( x - 729) are the factors of the function f.
So, now we can multiply the factors to get the polynomial.
So, The function is:
f = ( x+2) (x - 5) ( x - 729)
\(\begin{aligned}&f=\left(x^2-5 x+2 x-10\right)(x-729)=\left(x^2-3 x-10\right)(x-729) \\&f=x^3-729 x^2-3 x^2+2187 x-10 x+7290 \\&f=x^3-732 x^2+2177 x+7290\end{aligned}\)
Hence,
The function of the obtained polynomial is: \(&f=x^3-732 x^2+2177 x+7290\)
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An expression is shown.
4x+2(9−3x)
Select all that are equivalent to the given expression.
-18x+54
-2(x-9)
-18(x-3)
10x+18
2(5x+9)
-2x+18
Answer:
-2x+18, and -2(x-9)
Step-by-step explanation:
4x+18-6x
4x-6x+18
-2x+18
-2(x-9)
-2x+18
Easy with a lot of points
Help me solve these three problems!!
Step-by-step explanation:
4y=12x+20
4y=32x
4y/4=32x/4
=8x
please help me oout with this one and dont just put a random answer so u can get points its not like u can buy a CAR with it lol
Answer:
V - 1099.55742876
SA - 769.690200129
Step-by-step explanation:
The volume of a cone is denoted by the formula:
V = 1/3 * h * pi * r^2
We can substitute in the values we are given:
V = 1/3 * 10.5 * pi * 10^2
V = 3.5 * 100 * pi
V = 350pi
This is about: 1099.55742876
The formula for the surface area of a cone is:
SA = pi * r^2 + pi * r * s
We can substitute what we have:
SA = pi * 10^2 + pi * 10 * 14.5
SA = 100 pi + 145 pi
SA = 245 pi
This is about: 769.690200129
im has a health insurance policy with the following provisions: $300 deductible, $50 copay, and an 70/30 coinsurance. If Jim has an accident that costs $3,000 in medical expenses, how much does will he have to pay out-of-pocket? $350 $795 O $1,145 O $2,675
Jim will have to pay $795 out-of-pocket if he has an accident that costs $3,000 in medical expenses. Option b is correct.
Let’s calculate the amount Jim has to pay out-of-pocket. Jim has an accident that costs $3,000 in medical expenses, so the total cost is $3000.Jim’s health insurance policy has the following provisions:
Deductible = $300
Co-pay = $50
Coinsurance = 70/30
Since the coinsurance provision is 70/30, this means that Jim's insurance will pay 70% of the remaining expenses after deductibles and co-pays and Jim will pay the remaining 30%.
Thus, Jim will pay 30% of the remaining expenses after deductibles and co-pays. Out of the total $3000 medical expenses, Jim has to pay the first $300 (deductible).
The remaining amount is $3000 – $300 = $2700.
He has a copay of $50, thus reducing the remaining amount to $2650.
So, Jim has to pay 30% of $2650 which is equal to:
$2650 × 0.3 = $795
Therefore, Jim has to pay out-of-pocket $795. The correct option is option B.
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10. Set up and evaluate the definite integral for the area of the surface generated by revolving the curve a) (3 pts.)y= 6x 3+ 2x1 ,1≤x≤2, about the x-axis; b) (3 pts.) x= 4y−1,1≤y≤4, about the y-axis.
The definite integral for the area of the surface generated by revolving the curve y = 6x^3 + 2x about the x-axis, over the interval 1 ≤ x ≤ 2, can be set up and evaluated as follows:
∫[1 to 2] 2πy √(1 + (dy/dx)^2) dx
To calculate dy/dx, we differentiate the given equation:
dy/dx = 18x^2 + 2
Substituting this back into the integral, we have:
∫[1 to 2] 2π(6x^3 + 2x) √(1 + (18x^2 + 2)^2) dx
Evaluating this definite integral will provide the surface area generated by revolving the curve about the x-axis.
b) The definite integral for the area of the surface generated by revolving the curve x = 4y - 1 about the y-axis, over the interval 1 ≤ y ≤ 4, can be set up and evaluated as follows:
∫[1 to 4] 2πx √(1 + (dx/dy)^2) dy
To calculate dx/dy, we differentiate the given equation:
dx/dy = 4
Substituting this back into the integral, we have:
∫[1 to 4] 2π(4y - 1) √(1 + 4^2) dy
Evaluating this definite integral will provide the surface area generated by revolving the curve about the y-axis.
By setting up and evaluating the definite integrals for the given curves, we can find the surface areas generated by revolving them about the respective axes. The integration process involves finding the appropriate differentials and applying the fundamental principles of calculus.
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name another pair of lines that appear to be perpendicular
Answer:
parallel lines
Step-by-step explanation:
im pretty sure this is it hope this helps
If x² is =169, what is x-5?
Answer:
\(\sqrt{169}=13\)
\(13-5=8\)
5 pts
Question 17
A right triangle has a base of 3m and a height of 4m. What is the area of
the triangle if it has been dilated by a scale factor of 2?
*Hint: Area =
base height
2
O 12m
O 24m
O 10m
O 6m
9514 1404 393
Answer:
(b) 24 m²
Step-by-step explanation:
After dilation by a factor of 2, the base is 2×3 m = 6 m, and the height is 2×4 m = 8 m. Then the area of the dilated triangle is ...
A = 1/2bh
A = 1/2(6 m)(8 m) = 24 m²
¿Como impide el monoxido de Carbono que el ATP este disponible para las células?
Answer:
El CO, como el cianuro y el óxido nítrico (NO), inhibe la respiración mitocondrial al unirse al hemo ferroso a3 en el sitio activo de la COX, lo que detiene de manera efectiva la fosforilación oxidativa (16–21).
Step-by-step explanation:
a
Two taxi companies have different pricing systems. Company A charges a flat fee of $8 plus $0.10
per mile driven. Company B does not charge a flat fee, but charges $0.60 per mile driven. At what
distance do both companies charge the same amount?
Answer:
16 miles
Step-by-step explanation:
let the number of miles driven be = x
Company A = Company B
8 + 0.10x = 0.60x
8 = 0.50x
x = 16
Hi ~ just a quick note:
I just started uploading videos to yt that contains steps to solving a problem. I sometimes share an unlisted video link so you can view it.
https://youtu.be/XhqLj_YOLBM
-Chetan K
i) k is a non-zero whole number. Given that
6 x 54 x k is a perfect cube, write down the
Smallest value of k.
The ratio of boys to girls in Coach Sheppard's class is 3 to 5. There are 20 girls in the
class.
What is the total number of students in Coach Sheppard's class?
Answer:
32 Students
Step-by-step explanation:
3/5 = 12/20
This means you add the boys and girls to get 32.
Find the Area of the figure
Answer:
48 i think
Step-by-step explanation:you add both bases so 4+8=12 divided by 2 to get 6 and then multiply by 8 to get 48 i think im sorry if its wrong
Help me pleaseeeeeee
Answer:
6.8 is greater than 6.5
Step-by-step explanation:
Answer: A (6.8 is greater than 6.3)
Step-by-step explanation:
A (6.8 is greater than 6.3)
A matched pairs experiment compares the taste of instant with fresh-brewed coffee. Each subject tastes two unmarked cups of coffee, one of each type, in random order and states which he or she prefers. Of the 60 subjects who participate in the study, 21 prefer the instant coffee. Let p be the probability that a randomly chosen subject prefers fresh-brewed coffee to instant coffee. (In practical terms, p is the proportion of the population who prefer fresh-brewed coffee.)
(a)
Test the claim that a majority of people prefer the taste of fresh-brewed coffee. Report the large-sample z statistic. (Round your answer to two decimal places.)
The given data is,A matched pairs experiment compares the taste of instant with fresh-brewed coffee. Each subject tastes two unmarked cups of coffee, one of each type, in random order and states which he or she prefers.
Of the 60 subjects who participate in the study, 21 prefer the instant coffee. We need to find the probability that a randomly chosen subject prefers fresh-brewed coffee to instant coffee, let's say p. The formula to calculate the proportion of the population is:
p = (n1 + n2) / (x1 + x2)n1 and n2 are the sample sizes of two categories and x1 and x2 are the number of favorable outcomes from the respective categories. Here, n1 = n2 = 60 and x1 = 39 (since 21 out of 60 prefer instant coffee, the remaining 39 must prefer fresh-brewed coffee).Now, p = (60 + 60) / (39 + 21) = 1.2. Since p is a probability, it must be between 0 and 1. But here, p is greater than 1, which is not possible. Therefore, there is an error in the given data and we cannot proceed with the calculation.
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