Balance of Kevin after 1 quarter will be 1.0055(x)
What is quarterly compounded compound interest?Compound interest is interest that is calculated using both the starting amount and the interest that has accrued over time.
Interest is considered to be compounded quarterly if it is compounded four times each year.
If interest is compounded four times or quarterly each year, the formula for the amount at time t is as follows.
A = P( ( 1 + (r/4))⁴ⁿ
A = Accumulated amount
P= Principal amount
r = interest rate
n = time
Given that Kevin has x dollars in an account that pays 2.2% interest, compounds quarterly
∴ P = x
r = 2.2% = 2.2/100
To find balance after one quarter , i.e. time n = 1/4 year
⇒ Balance = accumulated amount =$ x(1 + 2.2/400)¹ = $ 1.0055(x)
Therefore, Balance of Kevin after 1 quarter will be 1.0055(x)
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pls help me with my assignment surds
Answer:
4-square root 2/2
Step-by-step explanation:
Write the equation of the line that passes through points (-2,0) and (3,4) in point-slope form.
Answer:
y-0 = [tex]\frac{4}{5}[/tex](x +2)
or
y - 4 = [tex]\frac{4}{5}[/tex](x -3)
These both mean the same thing.
Step-by-step explanation:
First, we have to find the slope. The slope is the change in y over the change in x.
Our y's are 4 and 0 and your x's are 3 and -2
[tex]\frac{4-0}{3- - 2}[/tex] = [tex]\frac{4-0}{3+2}[/tex] = [tex]\frac{4}{5}[/tex]
Now that we have the slope, we can use either point to write the eqation.
If we use point (-2,0)
The equation is
y - [tex]y_{1}[/tex] == m(x -[tex]x_{1}[/tex]
y - 0 = [tex]\frac{4}{5}[/tex] (x - -2)
y - 0 = [tex]\frac{4}{5}[/tex](x +2)
If we use the point (3,4)
y-4 = [tex]\frac{4}{5}[/tex](x -3)
What is the slope equation for (7,5) and (2,-5)
Answer:
2
Step-by-step explanation:
To find the slope, m, you use the equation:
[tex]m \: = \frac{y2 - y1}{x2 - x1} [/tex]
From our question, (x1 = 7, y1 = 5) ; ( x2 = 2, y2 = -5)
Substitute the values into the equation:
[tex]m \: = \frac{ - 5 - 5}{2 - 7} \\ = 2[/tex]
The slope, m is therefore 2
A small business published a report with the equivalent hourly wages of all their employees. select the box plot that represents the given data. all values are in $ per hour. 13, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 29, 48
Answer: .
Step-by-step explanation:
Work out the area of the triangle (my drawing is bad it isn’t a 90° angle)
The area of the given triangle in the diagram is 11.83[tex]cm^{2}[/tex]
Given triangle ABC. Let AB=x, BC=y, CA=z
We use Heron's formula when asked to find the area of a triangle and the measures of the sides are given only. According to Heron's formula,
Area of a triangle[tex]=\sqrt{s(s-x)(s-y)(s-z)}[/tex] where s is the semi-perimeter of the triangle given by [tex]s=\frac{x+y+z}{2}[/tex] and x,y,z are the measures of the three sides of the triangle
According to the diagram of the triangle AB=x=8 cm, BC=y=3 cm,
CA= z= 9 cm
∴Semi-perimeter [tex]s=\frac{8+3+9}{2}=10 cm[/tex]
∴Area of the triangle[tex]=\sqrt{10(10-8)(10-3)(10-9)}=\sqrt{10*2*7*1}=2\sqrt{35}=11.83 cm^{2}[/tex]
Therefore the area of the triangle ABC is 11.83[tex]cm^{2}[/tex]
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Of the 50 students in the sixth grade, 16 are girls. What percent are girls?
Answer:
Step-by-step explanation:
That is (16/50) * 100
= 16 * 100/50
= 16 *2
= 32%.
Answer: 32%
Step-by-step explanation:
put it into a fraction, 16/50 then multiply by 2 to get 32/100 now you can turn that into a percent to get 32%
What is the Standard form of 70,000
Answer: 7x10 to the 4th
Step-by-step explanation:
suppose that kellogg believes that the average weight for a box of frosted flakes is 18 ounces. as part of a quality control effort, they sample 30 boxes and find that the mean of those 30 boxes is 18.2 ounces. historical records show that the standard deviation of the filling process is 0.32 ounces. how likely is it for the sample mean to have been 18.2 ounces or larger if the actual mean is 18 ounces and the standard deviation of the filling process is 0.32 ounces? round your answer to four decimal places.
Answer:
18.34
Step-by-step explanation:
18.2
0.32 so
18.2+0.32=18.34
when light strikes the surface of a medium such as water or glass, its intensity decreases with depth. the beer-lambert-bouguer law states that the percentage of decrease is the same for each additional unit of depth. in a certain lake, intensity decreases about 85% for each additional meter of depth. (a) explain why intensity i is an exponential function of depth d in meters. intensity i is an exponential function of depth since i increases by a decreasing percentage as a function of depth. intensity i is an exponential function of depth since i decreases by an increasing percentage as a function of depth. intensity i is an exponential function of depth since i decreases by a decreasing percentage as a function of depth. intensity i is an exponential function of depth since i decreases by a constant percentage as a function of depth. intensity i is an exponential function of depth since i increases by an increasing percentage as a function of depth. (b) use a formula to express intensity i as an exponential function of d. (use i0 to denote the initial intensity.) i(d)
Three less than the product of 7 and half a number
MATHEMATICALLY THIS CAN BE WRITTEN AS
Let that number =x
[tex] \frac{1}{2} (x) \times 7 - 3 \\ = \frac{x}{2} (7) - 3 = \\ = \frac{7x}{2} - 3[/tex]
Increasing
decreasing
concave up
concave down
Answer:
won't that be concave up?
What’s x-7-9=2-8x
Please I need it now
hope it's true.
yes
x-7-9=2-8x
-16-2 = -8x-x
x= 18/9
x= 2
Nora spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -12.4°F. Between 9am and noon, the temperature increased by 7.6°F. Between noon and 3pm, the temperature went up 13.1°F. Between 3pm and 6pm, the temperature dropped 1.2°F. What was the temperature at 6pm?
As per given data of recording of increasing and decreasing of temperature during different day times , the temperature at 6pm is 7.1°F.
As given in the question,
The decimal value of the temperature at 6 pm was 7.1°F
Nora's temperature recording chart in winter can be tabulated as follows:
Time Change in Temperature (°F) Temperature Reading (°F)
9 am ----- -12.4
12 noon +7.6 -4.8
3 pm +13.1 +8.3
6 pm -1.2 +7.1
Calculation by way of addition / subtraction of decimal is as follows:
-12.4°F +7.6°F = -4.8°F (increase in temperature from 3 pm to 6 pm)
-4.8°F + 13.1°F = 8.3°F (increase in temperature from 3 pm to 6 pm)
8.3°F - 1.2°F = 7.1°F (drop in temperature from 3 pm to 6 pm)
Overall change in temperature from 9 am to 6 pm is 19.5°F (increment)
Therefore, as per given data of recording of increasing and decreasing of temperature during different day times , the temperature at 6pm is 7.1°F.
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Ella needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 3 hours and charged her $61 for parts. The total was $226. Write and solve an equation which can be used to determine x, the cost of the labor per hour.
Answer:
x = 55
Step-by-step explanation:
61+3×X=226
61+3x=226-61
3x=165
x= 165/3
x= 55
4.
Rectangle MATH was translated 7 units to the left and 4 urlits down to create rectangle M'ATH'. Which rule describes this transformation?
The rectangle MATH is translated by using the transformation rule P'(x, y) = (x - 7, y - 4) to create the rectangle M'A'T'H'.
What is the resulting rule transformation for the translation of a rectangle?
In this problem we have the case of a rectangle, a geometric locus, that is translated both horizontally (7 units to the left) and vertically (4 units down). Vectorially speaking, a translation is represented by the following vector sum:
P'(x, y) = P(x, y) + T(x, y) (1)
Where:
P(x, y) - Original point.P'(x, y) - Resulting point.T(x, y) - Translation vector.If we know that P(x, y) = (x, y) and T(x, y) = (- 7, - 4), then the transformation rule is derived below:
P'(x, y) = (x, y) + (- 7, - 4)
P'(x, y) = (x - 7, y - 4)
The rectangle MATH is translated by making use the transformation rule P'(x, y) = (x - 7, y - 4).
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Select the values that make the inequality y < 4 true.
(Numbers written in order from least to greatest going across.) .
Answer:
-4 -1 1 3.9 3.99
Step-by-step explanation:
The number can be anything that is less than the number 4.
Hope this helps! :)
The values which satisfy the inequality y < 4 are - 4, - 1, 1, 3, 3.9. 3.99, 3.999.
What are inequalities and their types?Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way.
The symbol a < b indicates that a is smaller than b.
When a > b is used, it indicates that a is bigger than b.
a is less than or equal to b when a notation like a ≤ b.
a is bigger or equal value of an is indicated by the notation a ≥ b.
An inequality y < 4 is given.
This states that the variable y is strictly less than 4 it could be 3.999999.. but not 4.
Then the value that makes the inequality true are,
- 4, - 1, 1, 3, 3.9. 3.99, 3.999,
If the inequality was y ≤ 4 then 4 could have included 4 only but not 4.001.
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Jenny spend 24 days at grandmas house last summer. Her sister spent 3/8 of that time at grandmas. How many days did jennys sister spend at grandmas house last summer
Thus, we have
[tex]\frac{3}{8}\times24=\frac{3\times24}{8}=3\times3=9\text{ days}[/tex]Therefore Jenny's sister spent 9 days
the right choice is B
the quotient of 9660 and 460
Answer:
21-- 9660 / 460 = 21
Answer:
9660/460 = 21
Step-by-step explanation:
Multi step equation: -8(2-3x)=104
Please Help Geometry
Answer:
your answer is correct
Step-by-step explanation:
since the quadrilaterals are similar then corresponding angles are congruent.
∠ NKL ≡ ∠ ZWX ≠ ∠ YZW ← not true
∠ LMN ≡ ∠ XYZ ≠ ∠ ZWX ← not true
--------------------------------------------------
the ratios of corresponding sides are in proportion , that is
[tex]\frac{KL}{MN}[/tex] = [tex]\frac{WX}{YZ}[/tex] ← true
[tex]\frac{kl}{yz}[/tex] = [tex]\frac{LM}{XY}[/tex] ≠ [tex]\frac{LM}{ZW}[/tex] ← not true
Answer:
Your answer is correct!
Step-by-step explanation:
I'm just answering so you can give the other person brainliest <3
-k-(-8k+7)
what is the answer
Answer:
7k-7
Step-by-step explanation:
[tex]-k-(-8k+7) \\ \\ =-k+8k-7 \\ \\ =7k-7[/tex]
Erin and her dad share an intense love of baseball. every weekend, they go to the batting cages to practice hitting. erin's dad buys tokens for her to use in the batting cage. there is a proportional relationship between the number of tokens erin uses, x, and the number of pitches thrown by the pitching machine, y. x (tokens) y (pitches) 1 14 2 28 3 42 7 98 write an equation for the relationship between x and y. simplify any fractions.
The relationship between x and y is given by Y=14*X;
Relationship between the number of tokens Erin uses, x, and the number of pitches thrown by the pitching machine, y. x (tokens) y (pitches) 1 14 2 28 3 42 7 98
by, observing the given data we say that;
x is proportional to y so, the general equation is given by
x ∝ y so, by removing the proportionality sign we get y=k*x;
now using given x and y we put in this equation to get the value of k; then by substituting the value of k in this equation we get our required equation.
so, putting x=1 and y=14 we get k=14;
and, putting x=2 and y=28 we get k=14;
and putting x=3 and y =42 we get k=14;
similarly, the last data satisfy the equation.
By putting k =14 in the equation we get, Y=14*X
thus, Y=14*X is our required answer.
also, we solve this problem by using the equation of line concept;
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Help -crys- "pacman traveled 18 feet every 6 seconds. pacman's distance is proportional to time. (im not in high school im in middle school i dont know why it says that)
Constant of Proportionality
k=___
Based on the distance that Pacman traveled for every 6 seconds, and the distance being proportional to time, the Constant of Proportionality is 3.
How to find the constant of proportionality?The Constant of Proportionality shows how the quantity of a variable increases of decreases as the quantity of another related variable increases or decreases as well.
In the distance traveled by Pacman, the constant of proportionality can be found by the formula:
= Distance traveled / Time traveled
= 18 feet / 6 seconds
= 3 feet per second
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How do I find x in this question?
Answer:120
Step-by-step explanation:
When it is flat it is 180 degree so
180=60+x
Minus 60 on both side
120=x
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).
Find the product. Write your answer as a mixed number in simplest form.
5 × 2 =
=
Answer: 9 755/9
Step-by-step explanation:
given- a statement
to find-evaluate
soulition-
4 2/9 x 2 4/9
38/9 x 22/9
836/81
9 755/9
Rotate point P counterclockwise about the origin by the given angle. State the coordinates of P'.
P(4,2); 90°
Check the picture below.
help me please help me
Step-by-step explanation:
it is very similar to do the manual division of numbers.
5x² - 18x - 15 ÷ x - 4 =
so, we are starting on the left, dividing 5x² by x.
5x²/x = 5x
5x² - 18x - 15 ÷ x - 4 = 5x
then we multiply (x - 4) by 5x and subtract the result from the left part. and then we pull down the next term
5x² - 18x - 15 ÷ x - 4 = 5x
- 5x² -20x
---------------
0 2x - 15
and again, we take the left term and divide by x :
2x/x = 2
5x² - 18x - 15 ÷ x - 4 = 5x + 2
and again we multiply (x - 4) by 2 and subtract the result. and, if there still is one, we pull down the next term.
5x² - 18x - 15 ÷ x - 4 = 5x + 2
- 5x² -20x
---------------
0 2x - 15
- 2x - 8
--------------------
0 -7
there is no more term to pull down, so we are finished.
there is a remainder in the last line unequal to 0.
this becomes therefore -7/(x - 4).
so, the total result is
(5x² - 18x - 15) ÷ (x - 4) = 5x + 2 - 7/(x - 4)
2.
the same thing. we are now dividing the left terms by 3x, and then multiply that result every time with (3x - 2), subtract this abd pull the next term down until there is no more term to be pulled.
6x³ - 16x² + 17x - 6 ÷ 3x - 2 = 2x² - 4x + 3
- 6x³ - 4x²
---------------
0 -12x² + 17x
- -12x² + 8x
-----------------------
0 9x - 6
- 9x - 6
----------------------------
0 0
there is no remainder in the last line, so the result is
(6x³ - 16x² + 17x - 6) ÷ (3x - 2) = 2x² - 4x + 3
L2) In a class of 27 students, there are 13 male students and 14 female students. What is the probability of randomly choosing 2 male students for class representatives?
a large water tank holds 800 gallons of water . it is losing water at the rate shown in the table. PLEASE HELP- I CAN'T FIND ANY ANSWER FOR THIS ANYWHERE
The slope of equation is -80 and the equation of a line is y=-80x+800.
What is the equation of a line?The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.
Given that, a large water tank holds 800 gallons of water.
From the table, we have (0, 800) and (1, 720)
Here, slope m=(720-800)/(1-0)
m= -80
Substitute m=-80 and (x, y)=(0, 800) in y=mx+c, we get
800=-80(0)+c
c=800
Substitute m=-80 and c=800 in y=mx+c, we get
y=-80x+800
Therefore, the slope of equation is -80 and the equation of a line is y=-80x+800.
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What is 2.87 rounded to the nearst tenth