Help
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Answer:
A. 36°
Step-by-step explanation:
Given:
m<NST = 15x - 4
m<RSN = 6x
m<RST = 122°
Required:
m<RSN
Solution:
First we need to create an equation to determine the value of x.
Thus:
m<NST + m<RSN = 122° => angle addition postulate
15x - 4 + 6x = 122 (substitution)
Add like terms
21x - 4 = 122
21x - 4 + 4 = 122 + 4
21x = 126
21x/21 = 126/21
x = 6
✔️m<RSN = 6x
Plug in the value of x
m<RSN = 6(6) = 36°
Sam has a cylindrical storage container 6 inches tall (h=6) with a
radius of 5 inches(r=5). How much cat litter will fit in the container? Find the volume Round your answer to the nearest tenth.
Answer:
That would be 549.5 cubic inches of cat litter (approximately).
Step-by-step explanation: The cylindrical storage container has a height of seven inches and a radius of five inches. To know how much cat litter would fill it requires us to calculate the volume of the container.
The volume of a cylinder is given as,
Volume = Pi x r^2 x h
Where r is the radius, h is the height and Pi shall be taken as 3.14
We can now substitute for the known values as follows;
Volume = 3.14 x 5^2 x 7
Volume = 3.14 x 25 x 7
Volume = 549.5
Rounded to the nearest tenth, the container would be filled with 549.5 cubic inches of cat litter.
Answer:
The volume is 471.2 units squared.
Step-by-step explanation:
The formula for the volume of a cylinder is \(\pi r^{2} h\), where r is the radius and h is the height.
Inputting the values \(r=5\) and \(h=6\) the formula becomes \(\pi 5^{2}6\). \(5^{2}\) is 25. 25 times 6 is 150. Using a calculator to multiply by \(\pi\), we get the answer.
D is the midpoint of EF. Find x.
ED = 6x + 4
DF = 4x + 18
What does X equal?
Answer:
X = 7
Step-by-step explanation:
E___D___F
ED = DF
6x +4 = 4x+18
6x – 4x = 18 – 4
2x = 14
x =14/2
x = 7
I hope I helped you^_^
Does anyone knows the answer or how to do this!
Answer:
1/3
Step-by-step explanation:
You do rise over run
I hope this helps!!
I'm having trouble grasping this one
Answer:
- 50
Step-by-step explanation:
Given the equation :
2x³ - z
x = - 3 ; z = - 4
Substituting the values into the equation :
2(-3)³ - (-4)
-3³ = - 27
Hence,
2(-27) - (-4)
-54 + 4
= -50
2x³ - z at x = - 3 and z = - 4 is - 50
What is A−1? Enter your answer by filling in the boxes. Enter any fractions as simplified fractions.
Step-by-step explanation:
ooo matrics um if you give me a second ill solve it
A student is graduating from college in 12 months but will need a loan in the amount of $11,650 for the last two semesters. The student may receive either an unsubsidized Stafford Loan
or a PLUS Loan. The terms of each loan are:
Unsubsidized Stafford Loan: annual interest rate of 5.95%, compounded monthly, and a payment grace period of six months from time of graduation
PLUS loan: annual interest rate of 6.55%, compounded monthly, with a balance of $12,436.41 at graduation
Which loan will have a lower balance, and by how much, at the time of repayment?
O The PLUS loan will have a lower balance by $298.35 at the time of repayment.
O The Stafford loan will have a lower balance by $298.35 at the time of repayment.
O The PLUS loan will have a lower balance by $527.14 at the time of repayment.
O The Stafford loan will have a lower balance by $527.14 at the time of repayment
Based on the information, the Stafford loan will have a lower balance by $527.14 at the time of repayment
How to calculate the loanUsing the formula for compound interest, the total cost of the loan can be calculated as follows:
Total cost of Stafford loan = $11,650 x (1 + 0.0595/12)^(12*0.5) = $12,652.14
Total cost of PLUS loan = $12,436.41 x (1 + 0.0655/12)^12 = $13,179.28
Therefore, the Stafford loan will have a lower balance at the time of repayment by $527.14 ($13,179.28 - $12,652.14).
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ACTIVITY 2 (19) Mr Duma recently inherited a rectangular plot, part of the estate left by his late father. The plot with the following dimensions: Length = 2x +1; Width = x-1. Q a P SO R He has plans to do the following projects on the plot: Project A: Purchase fencing material to enclose three sides of the plot as follows: SP, PQ and QR. Project B: Build a fancy wall on the front side, SR. Project C: Construct paving for a third of the plot. 2.1 Determine the formulae that will be suitable for each of the projects mentioned above. For each formula, also give the reason for your choice. Write down the information in the table attached. Reason Project Formulae A B С (9)
The sum of the lengths of three sides of the rectangle, gives the length
of the fencing, while one third of the rectangle area is for the pavement.
Responses:
Project A: The formula for the length of the fencing is, L = 4·x - 1
Project B: Length of the fancy wall = 2·x + 1
\(Project \ C:Area \ of \ the \ paving = \underline{ \dfrac{2\cdot x^2 }{3} - \dfrac{x }{3} - \dfrac{1}{3}}\)
Which method can be used to find the length and area of paving from the given equations?
Project A: Let QP and SR represent the longest sides of the rectangle, we have;
PQ = SR = 2·x + 1
Given parameters are;
Length of the rectangular plot = 2·x + 1
Width of the rectangular plot = x - 1
Vertices of the rectangular plot are; QPSR
Project A: Let QP and SR represent the longest sides of the rectangle, we have;
PQ = SR = 2·x + 1
Which gives;
SP = QR = x - 1
The length of the fencing, L = SP + PQ + QR = x - 1 + 2·x + 1 + x - 1 = 4·x - 1
The formula for the length of the fencing is, L = 4·x - 1Project B: The front side is SR
Therefore;
Length of the fancy wall = 2·x + 1Project C:
Area, A = Length × Width
Area of the plot, A = (2·x + 1) × (x - 1) = 2·x² - x - 1
\(Area \ of \ the \ paving = \dfrac{1}{3} \times \left(2 \cdot x^2 - x - 1\right) = \underline{ \dfrac{2\cdot x^2 }{3} - \dfrac{x }{3} - \dfrac{1}{3}}\)
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A room is 12 m long,10m broad and 6 m high. It has a door of size 1m×2m and a windows of size 2m × 1.5m. Calculate the cost of plastering the walls at the rate of Rs 15/m².
The cost of plastering the rectangle walls at rate of Rs.15/\(m^2\) is Rs.5565.
What is rectangle?
With four sides, four corners, and four right angles (90°), a rectangle is a closed 2-D object. A rectangle's opposing sides are equal and parallel. Since a rectangle is a two-dimensional form, it has two dimensions: length and width. The opposite sides of a quadrilateral are equal and parallel, and all the angles are equal. Around us, there are several rectangle-shaped items. Two dimensions, the length and breadth, define each rectangle shape. The width and length of a rectangle are its longer and shorter sides, respectively.
Given,
Length of room =12m
Breadth of room =10m
Height of room =6m
So, Area of four walls =2(l+b)×h
=>area of four wall=2(12+10)×6=264\(m^2\)
Now Area of 2 doors and 3 windows =(2×1×2+3×2×1.5)
=> area of 2 doors and 3 windows = 13\(m^2\)
Area of ceiling =l×b=12×10=120 \(m^2\)
Thus, total area for plastering =(264−13+120)= 371\(m^2\)
Hence, the cost of whitewashing =Rs.(371×15)=Rs.5565.
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f(x)=|x+8| How can function f be written as a piecewise function?
the absolute value function written as a piecewise function is:
f(x) = x + 8 if x ≥ -8
f(x) = -(x + 8) if x + < -8
How can this function be written as a piecewise function?
The absolute value function:
y = |x|
works as follows:
y = x if x ≥ 0.y = -x if x < 0.That is a piecewise function.
Now, in our case:
f(x) = |x + 8| can be rewritten to:
f(x) = x + 8 if (x + 8) ≥ 0
f(x) = -(x + 8) if (x + 8) < 0.
Now we should simplify the inequalities, so we get:
f(x) = x + 8 if x ≥ -8
f(x) = -(x + 8) if x + < -8
Here we have the absolute value function written as a piecewise function.
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What is the equation of the line that has a slope of 4 and a y-intercept of -7?
y = -7 x + 4
y = -4 x + 7
y = 4 x - 7
y = 7 x - 4
Answer:
The 3rd
Step-by-step explanation:
y = 4 x - 7
The slope is the number moltipied by x, 4
Hope this helps, have a good day
Answer:
y = 4 x - 7
Step-by-step explanation:
The person above is correct (i had this question and it was right) (give brainiest to the person above)
Amadi is three times as old as Chima. The sum of their ages is 24
Answer:
Amadi: 20 years old
Chima : 4 years old
mi
faster than the other. If they meet in 5 hours,
Two buses leave towns 720 miles apart at the same time and travel toward each other. One bus travels 16
what is the rate of each bus?
h
Rate of the faster bus:
h
8 х
5 ?
Rate of the slower bus:
h
Answer:
Two buses leave towns 760 mi apart at the same time and travel toward each other. One bus travels
18 mi/h slower than the other. If they meet in
5 hours, what is the rate of each bus?
~~~~~~~~~~~~~~~~
Let x be the rate of the slower bus, in miles per hour.
Then the rate of the faster bus is (x+18) mph, according to the condition.
The slower bus covered 5x miles before the buses meet each other.
The faster bus covered 5*(x+18) miles before they meet each other.
The sum of distances covered by buses is 3x + 5*(x+18).
It is equal exactly 760 miles. It gives you an equation
5x + 5(x+18) = 760.
Simplify and solve for x:
5x + 5x + 90 = 760,
10x = 760 - 90,
10x = 670 ====> x = 670%2F10 = 67.
Thus you found the rate of the slower bus. It is 67 miles per hour.
Then the rate of the faster bus is 67 + 18 = 85 mph.
Solved.
Step-by-step explanation:
Hope this helps :D
Can you simplify thiss !
-2 - x
To simplify the expression -2 - x, we can combine the constant term (-2) with the variable term (-x).
So, -2 - x simplifies to -2x - 2.
Let's simplify the expression -2 - x step by step:
Step 1: Start with the given expression: -2 - x.
Step 2: To simplify, we combine like terms. In this case, we have a constant term (-2) and a variable term (-x).
Step 3: Combine the constant term (-2) with the variable term (-x) by subtracting x from -2. This gives us -2x.
Therefore, the simplified expression is -2x.
In summary, -2 - x simplifies to -2x.
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find the perimeter of the composite figure. 11 19.5 16 m 18m
The perimeter of the composite figure that is given above would be = 96.6m.
How to calculate the perimeter of the given figure?To calculate the perimeter of the given shape, it has to be divided into two.
First shape is a rectangle. Therefore the perimeter of a rectangle is calculated with the formula = 2(l+w)
Where ;
length = 16m
width = 11m
perimeter = 2(16+11)
= 2×27
= 54m
The second shape:
Perimeter of triangle = l+w+h
where;
length = 18-11 = 7m
width = 16m
height = 19.5m
perimeter = 7+16+19.5 = 42.5m
Therefore, the perimeter of the shape = 54+42.5 = 96.6m
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which of the following is a set of complementary angles ?
(PLEASE HELP THIS IS DUE TODAY!!!!)
The pair of complementary angles is the one in the last option:
BFC and DFE
Which is a set of complementary angles?Two angles A and B are complementary if their measures add upto 90°, on the diagram we can see that the angles defined are:
AFB = 40°
BFC = 60°
CFD = 50°
DFE = 30°
Now just see which pairs of these angles add up to 90 degrees, these pairs are complementary angles.
Then the sets of complementary angles are:
AFB and CFD
BFC and DFE
So the correct option is the last one.
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how much money deposited now will provide payment of Rs. 15000 at the end of each half year for 10 years, if interest is 16% compounded six-monthly
The interest is 16% compounded semi-annually, is Rs. 121,179.10.
To determine how much money needs to be deposited now to provide a payment of Rs. 15,000 at the end of each half year for 10 years, we will use the formula for the present value of an annuity.
Present value of an annuity = (Payment amount x (1 - (1 + r)^-n))/rWhere:r = interest rate per compounding periodn = number of compounding periodsPayment amount = Rs. 15,000n = 10 x 2 = 20 (since there are 2 half years in a year and the payments are made for 10 years)
So, we have:r = 16%/2 = 8% (since the interest is compounded semi-annually)Payment amount = Rs. 15,000Using the above formula, we can calculate the present value of the annuity as follows:
Present value of annuity = (15000 x (1 - (1 + 0.08)^-20))/0.08 = Rs. 121,179.10Therefore, the amount that needs to be deposited now to provide payment of Rs. 15,000 at the end of each half year for 10 years, if the interest is 16% compounded semi-annually, is Rs. 121,179.10.
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What is the total weight of candy in a 5/6 pound bag site
We can see here that the total weight of candy in a 5/6 pound bag site is 377 grams.
What is weight?Weight is a measure of the force exerted by gravity on an object. It is the measure of how heavy an object is. Weight is typically expressed in units such as pounds or kilograms. The weight of an object can vary depending on the gravitational force acting on it.
There are 16 ounces in a pound.
Thus, a 5/6 pound bag of candy weighs
5/6 × 16 = 13.3 ounces.
If you want to know the weight in grams, 13.3 ounces is equal to 377 grams.
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Write an algebraic expression that can be used to find the are of a triangle that has a base of 5 unit and height of x units graph the ordered pair (height, area)
The formula for the area of a triangle is A = 1/2bh, where b is the base and h is the height. the Area for different heights using the equation and plot the coordinates on the graph.
The formula for the area of a triangle is A = 1/2bh, where b is the base and h is the height. To find the area of a triangle with a base of 5 units and a height of x units, the algebraic expression is A = 1/2(5)(x). The ordered pair (height, area) can be graphed by plotting points on the coordinate plane. To plot the first point, simply plot the height on the x-axis and the area (calculated using the equation above) on the y-axis. For example, if x = 3, then A = 1/2(5)(3) = 7.5. This point would be (3, 7.5). To plot the other points, continue to calculate the area for different heights using the equation and plot the coordinates on the graph.
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7/5 mile / 2/3 hour worked out please
Steps to solve:
7/5 ÷ 2/3
~Dot
7/5 * 2/3
~Flip
7/5 * 3/2
~Multiply
21/10
Best of Luck!
Answer:
21/10 = 2.1 mile/hour
Step-by-step explanation:
(a/b) ÷ (c/d) = (a*d) ÷ (b*c)
then:
(7/5) ÷ (2/3) = (7*3) ÷ (5*2) = 21/10 mile/hour
Find the solution of the system for which
Answer:
3,0,-6,0
Step-by-step explanation:
x1=3 because 3+0+0=3
since x2 and s2=0.
The following data set represents the salaries of all seven employees at a small start-up company (expressed in thousands of dollars). 23, 25, 40, 45, 45, 23, 23 If the variance of the data set is 99.14, what is the standard deviation?
Answer:
9.96Step-by-step explanation:
If the data set represents the salaries of all seven employees at a small start-up company (expressed in thousands of dollars). 23, 25, 40, 45, 45, 23, 23 in thousands dollars with variance of 99.14, to get the standard deviation, the formula below will be applicable.
Variance = (standard deviation)²
substituting Variance = 99.14 into the equation we wil have;
99.14 = (standard deviation)²
taking the square root of both sides;
√99.14 = √(standard deviation)²
standard deviation = √99.14
standard deviation = 9.96
The standard deviation of the set of datas is 9.96
Numerical Problems: a. From From the given figure, identify which path represents distance and displacement. Also, calculate the length of paths (distance travelled and displacement). h Hantra initial point A 9m 3m B 5m G 6m C C E
Path A-B-C-E represents the distance traveled, which is 18 meters.
Path A-G-C-E represents the displacement, which is 17 meters.
From the given figure, we can identify the paths and calculate the distance and displacement.
Path A-B-C-E represents the distance traveled, and path A-G-C-E represents the displacement.
Let's calculate the lengths of both paths:
Distance traveled (Path A-B-C-E):
Length of AB = 9m
Length of BC = 3m
Length of CE = 6m
Total distance traveled = Length of AB + Length of BC + Length of CE
= 9m + 3m + 6m
= 18m
Therefore, the distance traveled along path A-B-C-E is 18 meters.
Displacement (Path A-G-C-E):
Length of AG = 5m
Length of GC = 6m
Length of CE = 6m
Total displacement = Length of AG + Length of GC + Length of CE
= 5m + 6m + 6m
= 17m
Therefore, the displacement along path A-G-C-E is 17 meters.
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Find the value of MP! Need help!
Answer:
c) 118°
Step-by-step explanation:
PN is the diameter of the given circle.
\( \purple {\bold {\therefore m(\widehat{PMN}) = 180°}}.... (1)\\\)
Now, by inscribed angle theorem:
\( m\widehat {MN} = 2\times m\angle MPN\\
\therefore m\widehat {MN} = 2\times 31°\\
\red{\bold {\therefore m(\widehat {MN}) = 62°}}....(2) \\\\\)
Now,
\( \because m(\widehat{MP}) + m(\widehat{MN}) =m(\widehat{PMN})\\
\therefore m(\widehat{MP}) + 62° =180°\\
\therefore m(\widehat{MP}) =180°-62°\\
\huge \orange {\boxed {\therefore m(\widehat{MP}) =118°}} \\\)
Mathematics
Find the rate
What percent of 200 is 50?
What percent of 50 is 40?
What percent of 10 is 6?
200 is what percent of 200?
What percent of 800 is 200?
Show your solution, HELP PLS ASAP!!!
I'LL GIVE 20 POINTS!!
Answer:
Step-by-step explanation:
25%
80%
60%
100%
25%
HELP ME. I HATE MATH DUDE.
Answer ASAP: What is the smallest positive number that can be added to 55 so that the resulting number and 45 have 9 as their greatest common factor?
Answer:
55 + 45 = 90
90 divided by 45 = 2
90 divided by 9 = 10
Step-by-step explanation:
what its this
im not sure but its hard
6. Rewrite y = √√4x+16 +5 to make it easy to graph using a translation. Describe the graph.
Answer:
~
Step-by-step explanation:
To make it easier to graph using a translation, we can rewrite the given equation as:
y - 5 = √√4x + 16
This is obtained by subtracting 5 from both sides of the equation.
The graph of the original equation y = √√4x+16 +5 can be obtained by taking the graph of y = √√4x + 16 and shifting it upwards by 5 units. The graph of y = √√4x + 16 is a square root function that has a vertical stretch of 2, a horizontal compression of 4, and a vertical translation of 16 units upwards. So the graph of the given equation y = √√4x+16 +5 will be the same as the graph of y = √√4x + 16, but shifted upwards by 5 units.
I need help on thisss
Answer:
1) 4 pots
Left over 2
2) 168 to make 12
122
3) 9
18
Step-by-step explanation: