Answers
The true statement is t = 2 years.
What is simple interest?
Simple interest is calculated based on a loan's principal or the initial deposit into a savings account. Simple interest doesn't compound, therefore a creditor will only charge interest on the principal sum, and a borrower will never be required to pay further interest on the interest that has already accrued.
Here, we have
Given: suppose you deposited $400 in a saving account 2 years ago.
The simple interest rate is 2.5%. The interest you earned in those 2 years is $18.40.
We have to find the true statement.
We concluded that
I = 2.5%
P = $400
t = 2 years
Hence, the true statement is t = 2 years.
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Related Questions
Bakery A makes 4 1/4
cakes in 4 hours. Bakery B makes 11 5/7
cakes in 3 hours. Which of the following is the most reasonable estimate of how many more cakes per hour Bakery B makes than Bakery A?
Answers
Using mathematical operations, we know that Bakery B makes 209/28 more cake than Bakery A per hour.
What are mathematical operations?An operation is a function in mathematics that transforms zero or more input values into a clearly defined output value.
The operation's arity is determined by the number of operands.
Scalars in MATLAB can be multiplied, divided, added to, subtracted from, multiplied by, and have exponents applied to them.
These operators can be used to arrange calculations involving vectors and matrices in a straightforward manner.
So, bakery A:
4 1/4 cake in 4 hours.
16+1/4
17/4 cake in 4 hours
Bakery B:
11 5/7 cake in 3 hours:
77*5/7
82/7 cake in 3 hours
Then, Bakery A: 17/4 * 7/7 = 119/28
Bakery B: 82/7 * 4/4 = 328/28
More, cake by Bakery B:
328/28 - 119/28
209/28
Therefore, using mathematical operations, we know that Bakery B makes 209/28 more cake than Bakery A per hour.
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If you dissolved 50g of sugar in 30g of water, what would the sugar concentration be
Answers
Mass Solute
———————
100 * Massolution
= PercentWeight
100 * 50 / (50 + 30) = 100 * 50/80 = 62.5 %W
Find the area of the circle with circumference πd cm
Answers
Answer:3.41
Step-by-step explanation:it is pie
How to find the answer
s= 7; 6s²
Answers
Answer:
294
Step-by-step explanation:
We will take our equation, and substitute in 7 for s, wherever we see it, so we have:
[tex]6 * 7^{2}[/tex]
Simplifying, we have:
[tex]6 * 49[/tex]
Which finally we multiply to:
6 * 49 = 294
So, your answer is 294.
Hope this helped!
four marbles are chosen from the jar with replacement. what is the probability that they are all white?
Answers
The probability that four marbles are chosen from the jar with the replacement and that they are all white is p^4 (p raised to the fourth power).
If four marbles are chosen from a jar with replacement, the probability that they are all white is (probability of drawing a white marble)^4.
If the marbles are chosen with replacement, the probability of choosing a white marble on any one draw is the same as the proportion of white marbles in the jar. Let's call this probability p. The probability that all four marbles chosen are white is p^4 (p raised to the fourth power).
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Mantago wants to borrow $10,000 to buy a used car. he examined his budget and decides that he can affors a payment of $200 a month. if his bank offers him an apr of 7.5%, how long should he borrow the money so he can afford his monthly payment?
Answers
It will take 5.01 years for Mantago to repay the money that he would borrow.
Assume that it will take 't' years for Mantago to repay the money that he would borrow.
Here, we use monthly cashflow formula:
[tex]C=P\times r\times \frac{(1+r)^{12t}}{(1+r)^{12t} - 1}[/tex]
where, P is loan amount
r is ARM(adjustable-rate mortgage) interest rate
C is monthly cashflow
here, R = 7.5%
So, r = 0.075
For monthly payment the interest rate would be r = 0.075/12
i.e., r = 0.00625
P = 10000
C = 200
We need to find the number of years t.
[tex]200=10000\times 0.00625\times \frac{(1+0.00625)^{12t}}{(1+0.00625)^{12t} - 1} \\\\200=62.5\times \frac{(1.00625)^{12t}}{(1.00625)^{12t} - 1}\\\\ \frac{(1.00625)^{12t}}{(1.00625)^{12t} - 1}=3.2\\\\(1.00625)^{12t}}=[(1.00625)^{12t} - 1]\times 3.2\\\\(1.00625)^{12t}-3.2(1.00625)^{12t}=-3.2\\\\-2.2(1.00625)^{12t}=-3.2\\\\(1.00625)^{12t}=1.4545[/tex]
[tex]12t=60.13\\\\t=5.01\\\\t \approx 5[/tex]
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Kent multiplies both sides of the equation below by an expression. Then he moves all the terms to one side of the equal sign in the resulting equation. Which equation must he solve now
Answers
The equation must satisfies the Kent calculation is k² - 8k + 12 = 0
The term equation in math is called as a mathematical expression that contains an equals symbol.
Here we have given that Kent multiplies both sides of the equation below by an expression.
And then he moves all the terms to one side of the equal sign in the resulting equation.
Here we have the given equation is
=> k+12/k= 8
When we multiply both sides by k.
=> k² + 12 = 8k
Now we have to subtract 8k from both sides to move all the terms to one side of the equal sign then we get
=> k² + 12 - 8k = 0
Hence the required equation is k2 - 8k + 12 = 0.
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Solve x + 2∕5 = 1∕3 for x. Question 10 options: A) x = –1∕15 B) x = –11∕15 C) x = 1∕15 D) x = 11∕15
Answers
Step-by-Step Explanation:
[tex]x + \frac{2}{5} = \frac{1}{3} \\ = > x = \frac{1}{3} - \frac{2}{5} \\ = > x = \frac{5 - 6}{15} \\ = > x = \frac{ - 1}{15} [/tex]
Answer:
A) x = -1/15
I need help solving for x:-
[tex]\sf 4x-1=11[/tex]
Answers
Because 3x4=12-1=11
[tex]\huge\underline{\red{A}\green{n}\blue{s}\purple{w}\pink{e}\orange{r} -›}[/tex]
x = 3Step-by-step explanation:
--» 4x – 1 = 11--» 4x = 11 + 1--» 4x = 12--» x = 12/4--» x = 3____________________________Hope it helps you~what are two like terms in the expression 4x + 5 + 11x
Answers
Answer:
Two like terms in the expression 4x + 5 + 11x are 4x and 11x. Both terms have the variable x, and the coefficients (4 and 11) are just numbers and do not affect the variable. Like terms can be combined by adding or subtracting the coefficients and leaving the variable the same.
Answer:It is 4x and 11x!
Step-by-step explanation: Since they have same variables, they are like terms.
how many ways are there for $8$ people to sit around a circular table if none of alice, bob, and eve (three of the $8$ people) want to sit next to each other? two seatings are considered the same if one is a rotation of the other.
Answers
There are 7!/3! ways for 8 people to sit around a circular table if Alice, Bob, and Eve do not want to sit next to each other.
What is rotation?Rotation is the process of rotating an object in two or three dimensions around an axis. This axis can be a point in space, a line, or a plane. Rotation can also refer to a continuous change of direction, such as the rotation of the Earth around its axis. Rotation can be described using terms such as clockwise, counterclockwise, and angular velocity. Rotation can also be described using mathematical equations, such as Euler's rotation theorem. Rotation can be used to create symmetry in design, or to create motion in an animation.
This is because we can pick any of the 7 people to be seated first, then any of the 6 people to be seated second, then any of the 5 people to be seated third, and so on. However, since Alice, Bob, and Eve do not want to sit next to each other, we must divide the 7! by 3! to account for the fact that the order in which Alice, Bob, and Eve are seated does not matter. The 3! accounts for the fact that we could arrange the three of them in 3! = 6 different orders. Therefore, the total number of ways for 8 people to sit around a circular table if Alice, Bob, and Eve do not want to sit next to each other is 7!/(3!) = 840 ways.
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Is it possible to construct a triangle whose sides are 5 cm 5 cm and 10 cm?
Answers
It is not possible to construct a triangle whose sides are 5cm ,5cm and 10cm , because the sum of two sides is not greater then third side .
For any three sides to form a triangle , it should satisfy the condition that , the sum of any two sides should must be greater than the third side .
We apply this condition on the given sides ,
we get ;
the sides of the triangle are ⇒ 5cm ,5cm and 10cm ;
the sum of sides : 5 + 5 = 10 which is not greater than the third side (10cm) ;
these sides do not satisfy the condition ,
Therefore , the condition to form the triangle is not satisfied , so the triangle cannot be constructed .
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Type the correct answer in the box. Round your answer to the nearest whole number. Andrew deposited $500 in a savings account that offers an interest rate of 6.5% , compounded continuously. Andrew's initial deposit will grow to about $543 in_____months.
Answers
Andrew's initial deposit will grow to about $543 in 7 months.
You can use the formula A = P * e^(rt) to calculate this, where A is the final amount, P is the initial deposit, r is the interest rate, and t is the time in years. The equation for "continual" growth (or decay) is A = Pert, where "A", is the ending amount, "P" is the beginning amount (principal, in the case of money), "r" is the growth or decay rate (expressed as a decimal), and "t" is the time (in whatever unit was used on the growth/decay rate).
A = P * e^(rt)
Plug in the given values:
A = $543
P = $500
r = 0.065 (6.5% expressed as decimal)
Solving for t:
t = ln(A/P) / r
t = ln(543/500) / 0.065
t = 0.07 ( 7 months)\
Therefore, Andrew's initial deposit will grow to about $543 in 7 months.
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A graphical plot with sales on the Y axis and time on the X axis is a
a. Scatter diagram.
b. Trend projection.
c. Radar chart.
d. Line graph.
e. Bar chart.
Answers
A graphical plot with sales on the Y axis and time on the X axis is a:
a. Scatter diagram.
What is Scatter diagram?Using a single variable on each axis, the scatter diagram plots pairings of numerical data in an effort to identify any relationships between them. A line or curve will be formed by the points if the variables are correlated. The points will hug the line closer the more highly correlated the data is. You may also visualise the strength of any relationship. If the researcher believes there may be a correlation, a line of greatest fit can also be drawn on the graph.
Data points are shown on a horizontal and vertical axis using scatter plots in an effort to demonstrate the degree to which one variable is influenced by another.
Thus, correct option: a
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If x = 11 , evaluate the following expression: x + 4
Answers
Answer:
Substitute x = 11 to x + 4, you get,
11 + 4 = 15
Thanks
[tex]x+4[/tex] when x is equal to 11
Evaluate:
[tex](11)+4[/tex]
[tex]=15[/tex]
Make y the subject of the formula.- A=r(y + 2 ) / 5
Answers
[tex] \frac{5a}{r} \: - 2 = y[/tex]
Step-by-step explanation:
A = r(y +2) /5
A×5 = r(y+2)
(5A)/r = y+2
(5A)/r - 2 = y
•: y = (5A)/r - 2
(only applicable when
[tex]a = \frac{ry + 2r}{5} [/tex]
expand)
Let $n$ be a positive integer greater than or equal to $3$. Let $a,b$ be integers such that $ab$ is invertible modulo $n$ and $(ab)^{-1}\equiv 2\pmod n$. Given $a b$ is invertible, what is the remainder when $(a b)^{-1}(a^{-1} b^{-1})$ is divided by $n$
Answers
We can conclude from the given problem that there are 7975/5 - 1595 different positive numbers f(a) smaller than 1992, 1991-1595 = 396 positive integers.
An integer is what?Integers can be anything from zero to a positive or negative number signified by a minus sign. A lower result is its corresponding positive number's additive reciprocal. In mathematical notation, an integer group is usually denoted by a bold Z or perhaps a bold "mathbb Z." An integer, unlike a fraction, is a positively, negative, or zero number (pronounced IN-tuh-jer). Examples of integers are the integers -5, 1, 5, 8, 97, & 3,043. Examples of non-integer numbers include 1.43, 1 3/4, 3.14, and also more. A group of integers is known as an integer.
Here,
imagine a number of zeros! be
=> f(a), where f(a) = a/5, a/25, a/125, a/625, etc.
Since
f(a) a/5 + a/25 + a/125 + a/625 +...,
=> f(a) = f(a+1) = f(a+2) = f(a+3) = f(a+4). = a/4
=>f(7975) = 1991
1992 is less than 7975/5 - 1595 different positive numbers, hence 396 positive integers are present.
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Which best describes how the government tried to prevent the New York Times from publishing articles on the Vietnam War? kaitlannalniii avatar
kaitlannalniii
07/19/2016
Mathematics
High School
answered • expert verified
Which best describes why the government tried to prevent the new york times from publishing articles on the vietnam war?
Answers
On solving the provided question, we can say that The pieces were dangerous to interests in national security
what is interest ?Simple interest is calculated by dividing the principal by the interest rate, the passage of time, and other elements. The formula used in marketing is simple return = principal + interest + hours. Using this approach, interest may be calculated most easily.
The pieces were dangerous to interests in national security . A general who opposed the US involvement in Vietnam sent the Times a number of documents from 1971 that have come to be known as the "Pentagon Papers." On the basis of security concerns, the US attempted to prevent them further dissemination but failed.
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what is the area of a regular octagon inscribed in a circle of radius 4 meters? 5.657 square meters 6.807 square meters 45.255 square meters 54.458 square meters
Answers
The area of a regular octagon inscribed in a circle of radius 4 meters is 45.255 square meters. So, option C is correct
An octagon is a polygon with 8 sides, and a regular octagon has all sides of equal length. To find the area of a regular octagon inscribed in a circle of radius 4 meters, we can use the formula:
Area = (2 * (4^2) * (1 + sqrt(2))) / (4 * tan(pi/8))
Plugging in the values we get:
Area = (2 * (4*cos(pi/8))^2 * (1 + sqrt(2))) / (tan(pi/8)) = 16 * (1 + sqrt(2)) * (sqrt(2) / sqrt(2+ sqrt(2)))
= 8 * 1/2 * 4 * 4 * sin45°
= 32√2
= 45.255 square meters.
Therefore, the area of a regular octagon inscribed in a circle with a radius of 4 meters is 45.255 square meters.
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You saved 17 dimes and your brother saved 8 dimes. How many more dimes did you save? Your answer is (?).
Answers
Answer:
p
Step-by-step explanation:
no of dimes you have =17
no of dimes your brother have=8
now
no of dimes more you have save =17-8
=9
hence you have saved 9 more dimes
Triangle ABC is transformed to triangle A′ B′ C′, as shown below: A coordinate grid is shown from negative 4 to 0 to 4 on both x- and y-axes. A triangle ABC has A at ordered pair negative 1, 3, B at ordered pair 0, 1, C at ordered pair negative 3, 0. A triangle A prime B prime C prime has A prime at ordered pair negative 1, negative 3, B prime at ordered pair 0, negative 1, C prime at ordered pair negative 3, 0. Which equation shows the correct relationship between the measures of the angles of the two triangles? (1 point) The measure of angle CAB = The measure of angle C prime B prime A prime The measure of angle BCA = The measure of angle A prime B prime C The measure of angle CAB = The measure of angle C prime A prime B prime The measure of angle BCA = The measure of angle C prime A prime B prime
Answers
The correct option when Triangle ABC is transformed to triangle A′ B′ C is A.The measure of angle BCA = The measure of angle C prime A prime B prime.
How to illustrate the triangle?Triangle ABC is changed into triangle A′B′C′ and on the x- and y-axes, a coordinate grid ranging from -4 to -4 to 4 is displayed. A is at ordered pair negative 1, 3, B is at ordered pair 0, 1, and C is at ordered pair negative 3, 0 in the triangle ABC.
A triangle Primes A, B, and C have A prime is at ordered pair minus 1, minus 3, B prime is at ordered pair minus 0, and C prime is at ordered pair minus 3, 0.
A triangle A prime B prime C prime has A prime at ordered pair negative 1, negative 3, B prime at ordered pair 0, negative 1, C prime at ordered pair negative 3, 0.
Therefore,
<BAC = <B'A'C'
<ABC = <A'B'C'
<ACB = <A'C'B'
In this case, the correct option is A.
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What fraction is smaller than
⅝.
Answers
Answer:
Step-by-step explanation:
One fraction that is smaller than 5/8 id 4/8, 3/8, 2/8, of 1/8; by decreasing the amount out of eight, you are reducing the fraction. Another way to make a fraction smaller is by increasing the denominator, increasing the denominator allows you to have tthe same amount out of a bigger total: 5/9, 5/10, 5/11, 5/12, 5/13, and so on.
Answer: 1/10
Step-by-step explanation: 5/8 = .625 > .100 = 1/10
What are acute triangles called?
Answers
Answer: acute-angled triangles.
Step-by-step explanation:
Equilateral Acute Triangle. An equilateral acute triangle is that type of acute triangle that has all its interior angles measuring 60°.
Isosceles Acute Triangle.
Scalene Acute Triangle
Look at this table.
Gallons
of Gas
1
2
4
10
?
20
Cost, in
Dollars
1.05
2.10
4.20
10.50
17.85
21.00
What value is missing from the table?
Answers
The value of missing number in the table is, 17
What is Equation of line?The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The table is shows the cost of gallon of gas in dollars.
Now, From the table we get;
The equation that satisfy the given conditions is,
⇒ y = 1.05x
Where, 'x' is gallons of gas and 'y' is cost of gallon of gas.
Hence, For the cost (y) 17.85 dollars, number of gallons of gas are,
⇒ y = 1.05x
⇒ 17.85 = 1.05x
⇒ x = 17.85/1.05
⇒ x = 17
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An ellipse has a vertex at (3, 0), a co-vertex at (0, −1), and a center at the origin. Which is the equation of the ellipse in standard form?
HELP!!!!
Answers
Answer:
First and last one
Step-by-step explanation:first and last one
(3x + 5.3) + (7 - 1.5x) =
Answers
Answer: 1.5x + 12.3
Step-by-step explanation:
(3x + 5.3) + (7 - 1.5x)
Since this is not multiplication, try arranging the equation so like terms are together.
3x - 1.5x + 5.3 + 7 =
Combine like terms by adding or subtracting.
3x - 1.5x + 5.3 + 7 = 1.5x + 12.3
Plan V: $10.00/day + $40.00/month; 100 texts (extra cost $.50 each), 100 minutes of talk roverage is $.99/minute), 100 MB of data (overage is $2.05/MB)
Answers
Plan V is a mobile phone plan that costs $10.00 per day, or $40.00 per month. The plan includes 100 texts. If the customer goes over the 100 included texts, they will be charged $0.50 for each additional text. The plan also includes 100 minutes of talk coverage, but if the customer goes over the 100 minutes, they will be charged $0.99 per additional minute. Additionally, the plan includes 100 MB of data, but if the customer goes over the 100 MB, they will be charged $2.05 per additional MB.
Determine whether the system has no solution, one solution, or infinitely many solutions. If the system has one solution, name it.
–x+y= –5
3x+5y=15
Answers
Answer:
(5, 0)
Step-by-step explanation:
The slope of the first line is -(-1 / 1) = 1.
The slope of the second line is -(3 / 5) = -3/5.
Since the lines have different slopes, they intersect at a single point. Therefore, there is only one solution. To find it, solve the system of equations.
Using elimination, multiply the first equation by 3 and add it to the second.
-3x + 3y = -15
3x + 5y = 15
-------------------
8y = 0
y = 0
Using substitution, find x:
-x + 0 = -5
x = 5
The solution is (5, 0).
pls help
If the eggs in a basket are removed six at a time, five eggs will remain. If the eggs are removed five at a time, only four will remain. If the eggs are removed four, three, or two at a time, then three, two, and one egg will remain, respectively. But if the eggs are taken out seven at a time, no eggs will be left over. What is the least number of eggs that could be in the basket?
Answers
Answer:
119 eggs
Step-by-step explanation:
To start off, we know that this number has to be of some multiple of 7. Because if the eggs are taken out 7 at a time, and no eggs are left over, then the total number of eggs can be divisible by 7. Because there is however a multiple if you take out the eggs 2-6 times, there are eggs left over. The smallest multiple of 7 we can test is simply 7. To check, we can start with dividing 7 by 6 and getting a remainder of 1 instead of 5. So we know that 7x1 doesn't work.
The next smallest multiple of 7 that isn't multiplied from 2-6 is 7x7 to get 49. from here we can check that 49/6 = 8 r1 (r meaning remainder). So we know that 7x7 can't work. From here, the next smallest number would be 7x11.
7x11 = 77. 77/6 is 12 r5. This so far looks good. Now we can try 5. 77/5 = 15 r2. This doesn't work, so we try the next largest number which is 7x13 which is 91.
91/6 = 15 r1 which doesn't work. Next we try 7x17 which is 119. 119/6 is 19 r5 (looks good), 119/5 = 23 r4 (looks good), 119/4 is 29 r3, 119/3 is 39 r2, and 119/2 is 59 r1! Which means our answer is that the least number of eggs in the basket is 119.
The cost of printing a math workbook is a setup cost
plus a cost for each book printed. If 1000 books
printed cost $14 300, and 5000 books printed cost
$64 300, what is the setup cost for printing the math
workbooks?
Answers
The setup cost for printing the math workbooks, given the printed cost of the books, is $ 1, 800
How to find the setup cost ?The setup cost for printing the math workbooks is a fixed cost which means that it will not change regardless of the number of books that are printed.
Since we know that 1, 000 books are printed to be $ 14, 300 and that 5, 000 books cost $ 64, 300, we can find the cost of the books without the setup cost to be :
= Difference in cost of books / ( Difference in number of books )
= ( 64, 300 - 14, 300 ) / ( 5, 000 - 1, 000 )
= 50, 000 / 4, 000
= $ 12. 50
The setup cost is therefore :
= Cost of printing - (Number of books x cost per book )
= 14, 300 - ( 1, 000 x 12 .5)
= $ 1, 800
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