Solution
Step 1
Draw a triangle to illustrate the information.
Step 2:
\(\begin{gathered} cos37\text{ = }\frac{h}{2.1} \\ \\ 0.79863\text{ = }\frac{h}{2.1} \\ \\ h\text{ = 2.1 }\times\text{ 0.79863} \\ h\text{ = 1.68 km} \end{gathered}\)Final answer
1.68 km
find the value of ...B
Answer:
b=–2
Step-by-step explanation:
we've got:
(3+bx)⁵===> b⁵x⁵+15b⁴x⁴+90b³x³+720b²x²+405bx+243
and we've also got the coefficient of x³ as –720
90b³=–720===> b³=–8===> b=–2
QUESTION 1 Determine the general solution of: 2 sin x. cos x = COS X
Starting with the given equation: 2 sin x cos x = cos x
By dividing both sides by cos x, we may simplify: 2 sin x = 1
Dividing both sides by 2:
sin x = 1/2
The values of x that fulfil sin x = 1/2 must now be found, and they are:
x = π/6 + 2πn or x = 5π/6 + 2πn, where n is any integer.
Therefore, the general solution is:
x = π/6 + 2πn or
x = 5π/6 + 2πn, where n is any integer.
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A swimming pool is shaped like the figure below. Each end is a semicircle, and the length and width of the rectangle are 60 feet and 30 feet, respectively.
The area of the border is 105.53 feet².
We have,
The swimming pool is a combination of two shapes.
Rectangle:
Length = 60 feet
Width = 30 feet
Area = 60 x 30 = 1800 feet²
Semicircle:
Diameter = 30 feet
Radius = 15 feet
Area = π/2 r² = 1/2 x 3.14 x 15 x 15 = 353.25 feet².
Now,
The area of the swimming pool.
= 1800 + 353.25
= 2153.25 feet²
Now,
Without the border.
Area of the swimming pool.
= rectangle area + semicircle area
= 60 x (30 - 1) + 1/2 x π x (15 - 1)²
= 60 x 29 + 1/2 x 3.14 x 14 x 14
= 1740 + 307.72
= 2047.72 feet²
Now,
The area of the border.
= 2153.25 - 2047.72
= 105.53 feet²
Thus,
The area of the border is 105.53 feet².
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PLZ I REALLY NEED HELP OR I FAIL
Answer:
(-2, 4)
Step by step explanation:
-2 is the x coordinate and 4 is the y coordinate
(x, y) = (-2, 4)
There is your answer
What sinking fund payment would you need to make at the end of every three months, at 4%
interest compounded quarterly, to amount to $35,000 in 4 years?
A) $2028.06 B) $2187.50 C) $2378.06 D) $35,000 E) None of these
The amount of sinking fund payment is $2028.06.
So, the correct answer is option A.
What is meant by interest rate?The fee a customer pays to a lender for borrowing cash over time, expressed as a percentage of the loan amount. The interest rate is the amount charged by the lender to the borrower above and beyond the principal amount. In terms of the receiver, a person who deposits money in any bank or financial institution obtains additional income due to the time value of money, which is referred to as depositor interest.
The basic interest formula is as follows: P x R x T = Interest. P denotes the principal sum.
Given, Amount=35000
Time=4 years
Interest rate=4% compounded quarterly
i=4/4%
i=1%
35000=(1+(1/100))ⁿ
35000=(101/100)ⁿ
35000=x(1-(101/100)¹⁶)/((1-(1/100)))
x=2028.0609
Therefore, The amount is $2028.06
So, option A is correct
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6th grade math! Help me please :))
Subtract 48-19=29 Correct me if I'm wrong.
That means it's 29 cups.
Answer:
29 cups
Step-by-step explanation:
step 1: since the liquid in the photo is shown to go up to between 18 and 20, it has to be 19 cups.
step 2: so she had 48 cups, right? and she used 19. so we have to subtract 19 from 48.
step 3: 48-19 = 29. she has 29 cups left..
i hope this helps!
PLEASE SOLVE STEP BY STEP
Solve bx − 4=5 for x. Assume that b≠0.
Multiple choice question.
A)
x=1b
B)
x=9b
C)
x=9 – b
D)
x=1 – b
Answer:
x=9b
Step-by-step explanation:
The value of x for the expression will be equal to 9 / b.
What is an expression?The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.
Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.
Given expression is bx − 4=5, the value of x will be calculated as,
bx − 4=5
bx = 5 + 4
bx = 9
x = 9 / b
Therefore, the value of x for the expression will be equal to 9 / b.
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Operations and
Algebraic
Thinking
4 divided
by 39
2y = 4x - 12
Find the x and the y intercept of the line.
The sector of a circle has an area of 104pi/9
square inches and a central angle with measure 65 degree
. What is the radius of the circle, in inches?
Answer:
Given:
Area of the sector (A) = 104π/9 square inches
Central angle (θ) = 65 degrees
The formula for the area of a sector of a circle is:
A = (θ/360) * π * r^2
We can rearrange this formula to solve for the radius (r):
r^2 = (A * 360) / (θ * π)
Plugging in the given values:
r^2 = (104π/9 * 360) / (65 * π)
r^2 = (104 * 40) / 9
r^2 = 4160 / 9
r^2 ≈ 462.22
Taking the square root of both sides:
r ≈ √462.22
r ≈ 21.49
Therefore, the radius of the circle is approximately 21.49 inches.
Answer: 8 inches
Step-by-step explanation:
This is a true or false question but I’m not sure how to solve this problem.
Answer: yes true or false
Step-by-step explanation: 7 true, 8 true, and 9 false
Please answer thank you!!!!!
Answer:
i7x+×52=/67, hope this helps!!!!
Find the slope of the line that contains the following pair of points (1,6) and (9,-4)
Answer:
-1.25
Step-by-step explanation:
\(\boxed{slope = \frac{y1 - y2}{x1 - x2} }\)
☆ (x₁, y₁) is the 1st coordinate and (x₂, y₂) is the 2nd coordinate
Slope of line
\( = \frac{6 - ( - 4)}{1 - 9} \\ = \frac{6 + 4}{ - 8} \\ = - \frac{10}{8} \\ = - \frac{5}{4} \\ = - 1.25\)
Find the complete factored form of the
polynomial :
-8m²n-7m² nª
Enter the correct answer.
The polynomial -8m²n - 7m²n can be factored using the common factor -m²n. The complete factored form of the polynomial is (-m²n) (8 + 7a).
To find the complete factored form of the polynomial -8m²n - 7m²n, we can factor out common terms from both the terms. The common factor in the terms -8m²n and -7m²n is -m²n. We can write the polynomial as:
-8m²n - 7m²n = (-m²n) (8 + 7a)
Therefore, the complete factored form of the polynomial -8m²n - 7m²n is (-m²n) (8 + 7a). This expression represents the original polynomial in a multiplied form. We can expand this expression using distributive law to verify that it is equivalent to the original polynomial.
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A plane flying with a constant speed of 360 km/h passes over a ground radar station at an altitude of 1 km and climbs at an angle of 30°. At what rate (in km/h) is the distance from the plane to the radar station increasing a minute later? (Round your answer to the nearest whole number.)
The rate (in km/h) at which the distance from the plane to the radar station is increasing a minute later is 0 km/h (rounded to the nearest whole number).
To solve this problem, we can use the concepts of trigonometry and related rates.
Let's denote the distance from the plane to the radar station as D(t), where t represents time. We want to find the rate at which D is changing with respect to time (dD/dt) one minute later.
Given:
The plane is flying with a constant speed of 360 km/h.
The plane passes over the radar station at an altitude of 1 km.
The plane is climbing at an angle of 30°.
We can visualize the situation as a right triangle, with the ground radar station at one vertex, the plane at another vertex, and the distance between them (D) as the hypotenuse. The altitude of the plane forms a vertical side, and the horizontal distance between the plane and the radar station forms the other side.
We can use the trigonometric relationship of sine to relate the altitude, angle, and hypotenuse:
sin(30°) = 1/D.
To find dD/dt, we can differentiate both sides of this equation with respect to time:
cos(30°) * d(30°)/dt = -1/D^2 * dD/dt.
Since the plane is flying with a constant speed, the rate of change of the angle (d(30°)/dt) is zero. Thus, the equation simplifies to:
cos(30°) * 0 = -1/D^2 * dD/dt.
We can substitute the known values:
cos(30°) = √3/2,
D = 1 km.
Therefore, we have:
√3/2 * 0 = -1/(1^2) * dD/dt.
Simplifying further:
0 = -1 * dD/dt.
This implies that the rate at which the distance from the plane to the radar station is changing is zero. In other words, the distance remains constant.
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The table shows the area of two rugs a preschool teacher has in her room. She places the two rugs together to make one big rug.
Area
Rug
(square units)
Blue
8(x + 1)
10 (x+3)
Red
What is the area in square units of the new rug, in factored form?
square units
The area of the new rug in factored form is 2(9x + 19x) square units
How to find area of a rugGiven:
Area of blue rug = 8(x + 1)
Area of red rug = 10 (x+3)
Total area = blue + red
= 8(x + 1) + 10 (x+3)
= 8x + 8 + 10x + 30
= 8x + 10x + 8 + 30
= 18x + 38
= 2(9x + 19x)
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Aloha! Looking for some help with an Algebra 1 equation. See photo below. Thank you in advance.
Answer:
(4, 11 ) ; (- 4, 27 )
Step-by-step explanation:
Given
f(x) = x² - 2x + 3 → (1)
f(x) = - 2x + 19 → (2)
Substitute f(x) = x² - 2x + 3 into (2)
x² - 2x + 3 = - 2x + 19 ( add 2x to both sides )
x² + 3 = 19 ( subtract 3 from both sides )
x² = 16 ( take square root of both sides )
x = ± \(\sqrt{16}\) = ± 4
Substitute these values into (2) for corresponding values of y
x = 4 : y = - 2(4) + 19 = - 8 + 19 = 11 ⇒ (4, 11 )
x = - 4 : y = - 2(- 4) + 19 = 8 + 19 = 27 ⇒ (- 4, 27 )
Student Council has 1,064 flowers. They want to divide the flowers evenly among 28 centerpieces. How many flowers will be in each centerpiece?
To find out how many flowers will be in each centerpiece, we can divide the total number of flowers by the number of centerpieces:
Total number of flowers: 1,064
Number of centerpieces: 28
Number of flowers in each centerpiece = Total number of flowers / Number of centerpieces
Number of flowers in each centerpiece = 1,064 / 28 = 38
Therefore, there will be 38 flowers in each centerpiece.
\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)
♥️ \(\large{\textcolor{red}{\underline{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)
Answer: 38
Step-by-step explanation:
The question is asking you to divided.
1064 divided by 28 = 38
So there will be 38 flowers in each centerpiece
Can yall help me with this pls i really need help with it
(x + 12)° + (5x)° = 90°
m∠1 = 25° and m∠2 = 65°
Step-by-step explanation:We know that the little box represents 90 degrees. We will write an equation using this information.
(x + 12)° + (5x)° = 90°
Next, we will solve by isolating the x variable with inverse operations and combing like terms.
(x + 12)° + (5x)° = 90°
x° + 5x° = 78°
6x° = 78°
x = 13°
Lastly, we will find the value of each angle by substituting.
m∠1 = (x + 12)° = ((13) + 12)° = 25°
m∠2 = (5x)° = (5(13))° = 65°
is this a rigid motion
The transformation in this problem is a translation combined with a reflection, hence yes, it is a rigid motion, as the side lengths of the transformed figure are equal to the side lengths of the original figure.
What are transformations on the graph of a function?Examples of transformations are given as follows:
Translation: Translation left/right or down/up.Reflections: Over one of the axes or over a line.Rotations: Over a degree measure.Dilation: Coordinates of the vertices of the original figure are multiplied by the scale factor.The dilation is the only transformation that is not a rigid motion, as it changes the side lengths of the figure.
The transformation for this problem has the rule defined as follows:
(x,y) -> (x + 2, -y).
The transformations are defined as follows:
x -> x + 2 is a translation right two units.y -> -y is a reflection over the x-axis.Neither transformation is a dilation, hence it is a rigid motion.
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a penny is located at the bottom of a swimming pool that is 8 ft deep. Andy dives down and brings it back to the surface. What integer represents the penny's position with respect to the surface of the water after Andy brings it up to the surface?
We know that
• The penny is located at the bottom, 8 feet deep.
The water level is zero, which means the initial position of the penny is represents by the integer -8.
However, after Andy brings it up to the surface, the penny is at 0 water level.
Therefore, the answer is zero.A piece of wire is bent into the shape of a triangle. Two sides have length 16 inches and 23 inches. The angle between these two sides is 40°. What is the length of the third side to the nearest hundredth of an inch?
Answer:
The length of the third side is approximately ≈ 14.79 inches
Step-by-step explanation:
A piece of wire is bent into the shape of a triangle. Two sides have lengths of 16 inches and 23 inches. The angle between these two sides is 40°. What is the length of the third side to the nearest hundredth of an inch?
Use the law of cosines to find the length of the missing side.
Let C be the third side.
A = 18
B = 23
Angle C = 40^∘
c^2 = a^2 + b^2 - 2ab cos C
c = √a^2 + b^2 - 2ab cos C
c = √18^2 + 23 ^2 - 2 (18) (23) cos 40^∘
c = √583 - 828 cos40^∘
≈ 14.79
Thus, The length of the third side is approximately 14.79 inches.
Hope this helps!
Brad and Terrence are working on some math problems. Today, Terrence completed 15 math problems. This is 3 more than twice the number of problems that Brad completed. A)Write an equation that can used to find , b, the number of math problems that Brad completed.
Answer:
2b + 3 = 15
b = 6
Step-by-step explanation:
write y-5=(4/3)(x-6) into a point intercept form
The equation y - 5 = (4/3)(x - 6) can be written in point-intercept form as y = (4/3)x - 3, where the slope is 4/3 and the y-intercept is -3.
The point-slope form of a line is y - y1 = m(x - x1), where m is the slope and (x1, y1) is a point on the line. The point-slope form of a line can be converted to the slope-intercept form of a line, y = mx + b, where b is the y-intercept.
The equation y - 5 = (4/3)(x - 6) can be rearranged into the point-slope form of a line by isolating the y-term and simplifying: y - 5 = (4/3)(x - 6)y - 5 = (4/3)x - 8y = (4/3)x - 3
Now, we have the point-slope form of the line with slope 4/3 and y-intercept -3.
To convert this to the slope-intercept form of a line, we simply rearrange the equation to solve for y:y = (4/3)x - 3 This is the slope-intercept form of the line, where the slope is 4/3 and the y-intercept is -3.
Thus, the equation y - 5 = (4/3)(x - 6) can be written in point-intercept form as y = (4/3)x - 3, where the slope is 4/3 and the y-intercept is -3.
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Find the quotient of 10^-4/10^2
The quotient of 10⁻⁴/10² is 10⁻⁶
How to Find the quotient of 10⁻⁴/10²?Quotient is the result obtained by dividing one quantity by another. It represents the value that is obtained after division.
For example, if you divide 20 by 2, the quotient is 10 because 20 divided by 2 equals 10.
Division law states that:
10ᵃ / 10ᵇ = 10ᵃ⁻ᵇ
In this case have:
10⁻⁴/10² = 10⁻⁴⁻² (Division law)
10⁻⁴/10² = 10⁻⁶
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Tina baked some cookies. 12 of her cookies were peanut butter. 12 of the peanut butter cookies also had chocolate chips. What fraction of the cookies were peanut butter and had chocolate chips?
Answer:
12/12 or 1
Step-by-step explanation:
Tina baked 12 peanut butter cookies, and it is said that 12 of them had chocolate chips. So, we can make a fraction, being 12/12
your sister is looking for a way to inrease the amount of interest she is earning on her savings account
Depositing money into savings account each month will increase the amount of interest she is earning on her savings account.
What is interest on savings account?
A bank or other financial institution will offer a depositor interest on a savings account as compensation for keeping their money on deposit. In a sense, a bank borrows money from its depositors by using the money placed to make loans to other clients. The bank reciprocally gives the depositor interest on the amount in their savings account.
Savings accounts offer interest based on the balance.
Money deposited into a savings account each month will increase the account's total balance, which will result in a greater interest rate. This is a strategy to increase the interest you are collecting on your savings.
The other options are not viable because opening a checking account with the money from the savings account and making monthly withdrawals from the savings account will result in a decreased balance and interest rate.
Additionally, switching to a savings account with a lower interest rate is not a wise move because, with a lower interest rate, you will get less money overall.
Hence, depositing money into savings account each month will increase the amount of interest she is earning on her savings account.
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Question: Your sister is looking for a way to increase the amount of interest she is earning on her savings account. What should she do?
A. Deposit money into her savings account each month
B. Use the money from her savings account to open a checking account instead
C. Switch to a savings account with a lower interest rate
D. Make monthly withdrawals from her savings account
The July bank statement sent by the bank to ABC company shows a balance of cash on deposit at July 31 of Br.4,964.47 Assume that on July 31, assume the on July 31, ABCs ledger shows a bank balance of Br. 4 173. 83. 1. A deposit of Br 410. 90 made after banking hours and doesnt appear in the bank statement2. A check drawn for Br. 79 had been erroneously charged by the bank Br.973. For checks issued in July have not yet been paid by the bank (outstanding checks). : Theses checks are;- Check No date amount 801 June 15 ---Br.100,00 888 July 24 ----Br. 10.25 890 July 27--- Br. 294.50 891 July 30 ---Br. 205.004. A check written for birr 210 had been incorrectly charged by the bank as birr 120 5. Proceeds from collection of a interest bearing note receivable from David. ABC Company had left this note with the banks collection department. The face amount of the note was birr 500 6. Br. 24.75 interest earned on average account balance during July7. A check for Br. 10 returned with the statement had been recorded in the check register as Br. 100. The check was for the payment of an obligation to Davis Equipment Company for the purchase of office supplies on account 8. Br. 5,00 fee charged by bank for handling collection of note receivable 9. Br. 50.25 check from customer John deposited by ABC company charged bank as Non sufficient fund (NSF) 10. Br. 12.70 service charged by bank for the month of July. 11. Check number 875 was issued July 20 in the amount of Br 85 but was erroneously recorded in the cash payment Journal as Br 58 for payment of telephone expense prepare bank reconcilation and journal entry
The bank reconciliation shows an adjusted bank balance of Br.5,301.42 and an adjusted ledger balance of Br.4,173.83.
To prepare the bank reconciliation and journal entry for ABC Company based on the given information, we need to compare the transactions recorded in ABC's ledger with the transactions shown in the bank statement. Here's the bank reconciliation:
1. Bank Statement Balance:
Cash on deposit at July 31: Br.4,964.47
2. Adjusted Bank Balance:
Bank Statement Balance: Br.4,964.47
3. Deposit not on the statement: + Br.410.90
(Adjusted Bank Balance: Br.5,375.37)
Erroneously charged check: + Br.79
(Adjusted Bank Balance: Br.5,454.37)
Outstanding checks:
Check 801: - Br.100.00
Check 888: - Br.10.25
Check 890: - Br.294.50
Check 891: - Br.205.00
(Adjusted Bank Balance: Br.4,844.62)
4. Incorrectly charged check: + Br.90
(Adjusted Bank Balance: Br.4,934.62)
5. Collection of interest-bearing note: + Br.500
(Adjusted Bank Balance: Br.5,434.62)
6. Interest earned: + Br.24.75
(Adjusted Bank Balance: Br.5,459.37)
7. Incorrectly recorded check: - Br.90
(Adjusted Bank Balance: Br.5,369.37)
8. Collection fee: - Br.5.00
(Adjusted Bank Balance: Br.5,364.37)
9. NSF check: - Br.50.25
(Adjusted Bank Balance: Br.5,314.12)
10. Service charge: - Br.12.70
(Adjusted Bank Balance: Br.5,301.42)
Adjusted Ledger Balance:
Bank Balance in ABC's Ledger: Br.4,173.83
Reconciled Bank Balance: Br.5,301.42
Reconciled Ledger Balance: Br.4,173.83
Journal Entry:
To record the bank reconciliation, we make the following journal entry:
Debit: Cash (Ledger Balance adjustment) - Br.5,301.42
Credit: Cash (Bank Statement Balance adjustment) - Br.4,964.47
Credit: Miscellaneous Income/Expense - Br.336.95 (the difference between the two balances)
This journal entry ensures that the ledger balance matches the reconciled bank balance by adjusting for the discrepancies identified during the reconciliation process.
The journal entry reflects the necessary adjustments to reconcile the two balances, with a debit to Cash (Ledger Balance adjustment), a credit to Cash (Bank Statement Balance adjustment), and a credit to Miscellaneous Income/Expense to account for the difference.
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Tomas estimated that he would need to throw 22.52m in fact he threw 21.36m what is the percentage error
Answer:
5.15%
Step-by-step explanation:
Difference between estimated throw and actual throw
= estimated - actual
= 22.52 - 21.36
= 1.16 m
As a fraction of estimated throw:
1.16/22.52
As a percentage:
1.16/22.52 x 100 = 5.15%
Oreana's 150 g bag of trail mix is x% raisins. Brandon's 250 g bag of trail mix is y% raisins. They combine the two mixes together in one bowl.
Write an expression which shows how many grams of raisins are in the bowl
The expression which shows how many grams of raisins are in the bowl will be
(0.01x) * 150 + (0.01y) * 250
What is the expression that shows the raisin?An expression is simply used to show the relationship between the variables that are provided or the data given regarding an information. In this case, it is vital to note that they have at least two terms which have to be related by through an operator. Some of the mathematical operations that are illustrated in this case include addition, subtraction, etc.
The expression which shows how many grams of raisins are in the bowl will be:
= (x% × 150) + (y% × 250)
= (0.01x) * 150 + (0.01y) * 250
This equation represents the total grams of raisins in the bowl by multiplying the weight of the Oreana's bag by the percentage of raisins in it, and adding that to the product of the weight of Brandon's bag and the percentage of raisins in it. The "0.01" is used to convert the percentages from x and y to decimal form.
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