We can use the trigonometric ratios of sine, cosine, and tangent to solve for the missing sides.
Given a = 6 and angle A = 30 degrees, we can use the sine ratio to find b:
sin A = opposite/hypotenuse
sin 30 = b/c
Substituting b = c (since it is a right triangle), we get:
sin 30 = b/b
b = sin 30 * c
We also know that:
a^2 + b^2 = c^2
Substituting the given values, we get:
6^2 + (sin 30 * c)^2 = c^2
Simplifying, we get:
36 + sin^2 30 * c^2 = c^2
36 + (1/4) * c^2 = c^2
3/4 * c^2 = 36
c^2 = 48
c = sqrt(48) = 4sqrt(3)
Substituting c = 4sqrt(3), we get:
b = sin 30 * c = (1/2) * 4sqrt(3) = 2sqrt(3)
Therefore, the missing side lengths are b = 2sqrt(3) and c = 4sqrt(3).
help me answer this please
Answer:
3,952 ft
Step-by-step explanation:
Use the sine function since you need to find the hypotenuse but know the opposite side of the angle, since sine is equal to opposite/hypotenuse.
sin8°=\(\frac{550}{c}\)
csin8°=550
c=550/sin8°
c= 3,952
4 (a) The nth term of a progression is 3n+ 5. (i) (ii) Determine whether the progression is Arithmetic or Geometric progression
The sequence 3n + 5 because each next term has a constant common difference of 3.
What are arithmetic and geometric sequence?An arithmetic sequence is a set of numbers in which every no. next to the previous number has the same common difference
d = aₙ - aₙ₋₁ = aₙ₋₁ - aₙ ₋₂.
In a geometric sequence numbers are written in the same constant ratio(r).
It means every next number is a multiple of a common constant and the previous number.
r = aₙ/aₙ₋₁ = aₙ-₁/aₙ₋₂.
4. (a). Given, The nth term of a progression is 3n + 5.
Now, Putting some value of 'n' we have,
when n = 1,
a₁ = 8.
when n = 2,
a₂ = 11.
when n = 3,
a₃ = 14.
Now, a₃ - a₂ = a₂ - a₁ = 3.
So, the sequence has a common difference of 3 and hence it is an arithmetic sequence.
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lender requires a minimum down payment of 18% of the value of the home. You have $29,000 cash available to use as a down payment toward a home. Determine the maximum home value that you can finance.
The maximum home value that can be financed is approximately $35,365.85.
Let's represent the maximum home value that can be financed by H.
If the minimum down payment is 18%, the amount financed is 100% - 18% = 82%.
Therefore, we have:
H × 82% = $29,000
Multiplying both sides by (1/82%), we get:
H = $29,000 / 82%
= $35,365.85
Hence, the maximum home value that can be financed is approximately $35,365.85.
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if a tree is 105 metres tall in real life what would be the height of the diagram of the tree if the scale was 1: 1000
Answer:
1.05
Step-by-step explanation:
it is 105 divided by 1000
Answer:
0.105 metres
Step-by-step explanation:
105 divided by 1000
PLS HELP The histogram displays donations in dollars to a charity. A histogram titled Donations to Charity In Dollars with the x-axis labeled Donations. The x-axis has intervals of 10 to 19, 20 to 29, 30 to 39, 40 to 49, and 50 to 59. The y-axis is labeled Number of Donations and starts at 0 with tick marks every one unit up to 5. There is a shaded bar above 10 to 19 that stops at 4, above 20 to 29 that stops at 3, above 30 to 39 that stops at 1, and above 50 to 59 that stops at 1. There is no shaded bar for 40 to 49. Which statement best describes the spread and distribution of the data?
The data is almost symmetric, with a maximum range of 49. This might happen if the charity suggested donation minimum of $35 and donors followed that.
The data is skewed, with a maximum range of 49. This might happen if the donations were only allowed in cash and many donors did not have much cash on them.
The data is bimodal, with a maximum range of 49. This might mean that the most popular amounts to donate were between 10 and 19 and 51 and 59 dollars.
The data is symmetric, with a maximum range of 59. This might happen if everyone donated a percent of their salaries.
Based on the given histogram, the data is skewed with a maximum range of 49.
This is because the frequency bars are not evenly distributed across the x-axis intervals, indicating that the data is not symmetric. The lack of a shaded bar for the 40 to 49 interval also suggests that there were fewer donations in that range compared to the other intervals.
One possible explanation for this skewness could be that the charity had suggested donation levels, with a minimum of $10, resulting in a large number of donations in the 10 to 19 interval. Additionally, the shaded bar stopping at 1 for the 30 to 39 and 50 to 59 intervals suggests that there were fewer donations in those ranges. This could be due to a variety of reasons, such as donors being more likely to give in the suggested $10 increments, or the charity's fundraising efforts being more effective at attracting donors in certain age or income brackets.
Overall, the histogram does not suggest a bimodal distribution, as there is not a clear separation between two distinct modes. The maximum range of 49 also indicates that there were no extreme outliers or large donations that would skew the data towards a higher range. Therefore, it is likely that the data represents a typical distribution of donations to a charity, with most donors giving smaller amounts and fewer donors giving larger amounts.
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what is 1/5 - 3/4
thank you for your answer
btw I am on edg
Answer:
-11/20 or -0.55
Step-by-step explanation:
1/5 = 4/20
3/4 = 15/20
4/20 - 15/20 = -11/20
Answer:
- 11/20
or
-0.55
Step-by-step explanation:
PLZ MRAK ME BRAINLIEST
-Choose ALL answers that describe the polygon GHIJ if mZG = m_H,mZI = m_J, and GH | IJ.
In this quadrilateral, we have that
mmside GH is parallel to side JI
so
side GJ must be parallel to side HI too
therefore
opposite sides are parallel
the four interior angles must be congruent
The answer is the option
parallelogramquadrilateralsquarewhat is the equation of the line that passes through (6,4) and (4,1)
Answer:
y = 3/2*x - 5
Step-by-step explanation:
Lets say that P1=(6,4) and P2=(4,1) and that the form of the equation must be y=m*x+b where m is the slope and b the independent variable. Then having two given points we can use the slope formula to find the slope value as:
P1=(x1,y1) and P2=(x2,y2)
slope formula ---> m=(y2-y1)/(x2-x1)
Replacing the given points ---> m=(1-4)/(4-6) = 3/2
then replacing the slope value obtained:
y = 3/2*x + b
Now lets find the value of b. For this we have to replace in the equation a point it can be P1 or P2, i will replace P2:
1 = 3/2*4 + b
1 = 6 + b
1 - 6 = b
-5 = b
therefore the line equation is:
y = 3/2*x - 5
When thirteen is reduced by two-thirds of a number, the result is 7. Find the number.
The number is
Answer:
30Step-by-step explanation:
Let,
The req. number be = x
So,
Two - thirds of the number
\( = \frac{2}{3} x\)
Then, it is reduced by 13
\( = \frac{2}{3} x - 13\)
After that,
The req. result we get is = 7
Therefore,
By the problem,
\( = > \frac{2}{3} x - 13 = 7\)
(On putting like terms on one side)\( = > \frac{2}{3} x = 7 + 13\)
(On Simplification)\( = > \frac{2}{3}x = 20\)
(On multiplying both sides with 3/2)\( = > \frac{2}{3} x \times \frac{3}{2} = 20 \times \frac{3}{2} \)
(On Simplification)=> x = 30
Hence,
The req. number is 30.
Given that :
Thirteen is reduced by two-thirds of a number. And their result is 7.To Find :
The number.Solution :
Let's assume the number as x
According to the question :
\(\qquad \sf \: { \dashrightarrow \dfrac{2}{3}x - 13 = 7 }\)
Adding 13 to both sides we get :
\(\qquad \sf \: { \dashrightarrow \dfrac{2}{3}x - 13 + 13 = 7 + 13 }\)
\(\qquad \sf \: { \dashrightarrow \dfrac{2}{3}x = 20 }\)
Now, Multiplying both sides by \( \dfrac{3}{2} \) we get :
\(\qquad \sf \: { \dashrightarrow \dfrac{2}{3}x \times \dfrac{3}{2} = 20 \times \dfrac{3}{2} }\)
\(\qquad \sf \: { \dashrightarrow \dfrac{ \cancel2}{ \cancel3}x \times \dfrac{{ \cancel3}}{ \cancel{2}} = \cancel{20} \times \dfrac{3}{ \cancel{2}} }\)
\(\qquad \sf \: { \dashrightarrow x = 10 \times {3} }\)
\(\qquad \bf \: { \dashrightarrow x = 30 }\)
Therefore, The number is 30.
A jar has marble ms in these three colors only: 7 green, 10 blue, 3 red.
What is the probability of randomly choosing a green marble, after choosing (and keeping) a red marble?
Answer with a percentage rounded to the nearest tenth.
The probability of randomly choosing a green marble after you have chosen red is 4.4%
What is probability?
Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.
Given
A jar has 20 marbles: 3 green, 12 blue, 5 red.
Probability;
In probability theory, an event is a set of outcomes of an experiment or a subset of the sample space.
The total number of marbles = 20
The number of green marbles= 3
The number of blue marbles = 12
The number of red marbles = 5
The probability of choosing a red marble = Number of red marbles / Total number of marbles
= 5/20
The probability of choosing a green marble is = Number of green marbles / New total number of marbles
= 3/19
Therefore,
The probability of randomly choosing a green marble after you have chosen red is;
= 5/20 * 3/19
= 3/68
percentage = 3/68 * 100 = 4.4%
Hence, the probability of randomly choosing a green marble after you have chosen red is 4.4%
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Help if you know how to do it
First we multiply 9 and 15, which is 135cm. 100cm = 1m so the plant will grow 1.35m, so the plant is now 9.35m
Eamon has to write a 12-page book report. The shaded portion of the strip diagram below shows the percentage of the book report Eamon has completed.
How many pages of his book report has Eamon written so far?
Answer;
260
Step-by-step explanation:
7.2
Answer:
7
Step-by-step explanation:
Marcus is a car salesman and he earned an 8% commission on his monthly sales last month his sales total was $95,342 how much commission was he paid
Answer:
7627.36
Step-by-step explanation:
95342 * 8% = 7627.36
Answer:
Marcus earns 15% commission on his total sales at work.
Suppose Marcus's sales totaled $725 last week. How much did he earn in commission?
A.
$833.75
B.
$616.25
C.
$108.75
D.
$10.88
Step-by-step explanation:
To which set of numbers does 0.02020020002 belong?
9514 1404 393
Answer:
A. irrational only
Step-by-step explanation:
A decimal fraction is not a natural number or integer, so choices C and D can be eliminated immediately.
The decimal has a predictable pattern, but that pattern guarantees it does not repeat. A non-repeating, not-terminating decimal is an irrational number.
1. Daniel needs to add a fence around the apartment swimming pool. The pool is 25 ft. by 20 ft., and the owner wants the fence to be 4 feet from the poolside. How many feet of fencing will Daniel need? (1) 45 (2) 90 (3) 98 (4) 106 (5) 122
Answer:
(5) 122 feet
Step-by-step explanation:
Perimeter of fencing:
\(2((25 + 4 + 4) + (20 + 4 + 4))\)
\(2(33 + 28) = 2(61) = 122\)
Find the reciprocal of 4
Answer:
reciprocal of 4 = 1/4
Step-by-step explanation:
By definition, a reciprocal of a/b = b/a.
Since 4 is the same as 4/1, then it's reciprocal must be 1/4.
Answer:
1/4
Step-by-step explanation:
because 4 = 4/1
reciprocal means to flip it upside down 4/1 = 1/4
3. A rectangular room measures 18 feet by 24 feet. Carpeting for the floor costs $52 per square y
What is the total price to carpet this floor?
Answer:
$2496
Step-by-step explanation:
You want to know the cost of carpeting a 18 ft by 24 ft room with carpet that costs $52 per square yard.
AreaThe dimensions of the room in yards are (18 ft)/(3 ft/yd) = 6 yd, by (24 ft)/(3 ft/yd) = 8 yd.
In square yards, the area is ...
(6 yd)(8 yd) = 48 yd²
CostThe cost of one square yard of carpet is $52, so the cost of 48 square yards will be 48 times as much.
(48 yd²)($52/yd²) = $(48·52) = $2496
The total price to carpet the floor is $2496.
__
Additional comment
We're reluctant to call this the total price, as there are usually additional charges for tax, carpet pad, delivery, installation, removal and disposal of old flooring, and possibly additional materials such as tack strips or thresholds. Repairing mold or water damage, or leveling the floor, can also add cost.
<95141404393>
identify the x-values for which f(x)>-2
It should be noted that the expression that can be used to identify the x-values for which f(x)>-2 will be -2 <= x <= 2. This is illustrated in the graph.
How to explain the information?It should be noted that a graph is a diagram that is used to show the relationship that exists between the data presented or the information.
In this case, ut should be noted that the expression that can be used to identify the x-values for which f(x)>-2 will be -2 <= x <= 2. This is illustrated in the graph.
The graph is attached below.
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Rules for dividing fractions
Answer:
To divide fractions, you need to follow these steps:
Flip the second fraction (the one you want to divide by) upside down (this is called taking the reciprocal).
Multiply the first fraction by the reciprocal of the second fraction.
Simplify the resulting fraction if possible.
Here is an example:
1/3 ÷ 2/5
Step 1: Flip the second fraction: 2/5 becomes 5/2.
Step 2: Multiply the first fraction by the reciprocal of the second fraction: 1/3 x 5/2 = 5/6.
Step 3: Simplify the resulting fraction if possible: 5/6 is already in its simplest form.
For more examples and explanatTo divide fractions, you need to follow these steps:
Flip the second fraction (the one you want to divide by) upside down (this is called taking the reciprocal).
Multiply the first fraction by the reciprocal of the second fraction.
Simplify the resulting fraction if possible.
Here is an example:
1/3 ÷ 2/5
Step 1: Flip the second fraction: 2/5 becomes 5/2.
Step 2: Multiply the first fraction by the reciprocal of the second fraction: 1/3 x 5/2 = 5/6.
Step 3: Simplify the resulting fraction if possible: 5/6 is already in its simplest form.
Step-by-step explanation:
brainliest pls
Answer:
Step-by-step explanation:
For dividing fractions:
Remember:
Keep Change Flip
Keep the first the same
Change the sign to multiplication
Flip the second fraction.
EX.
\(\frac{4}{5}\) ÷ \(\frac{1}{2}\) >Keep, Change Flip
=\(\frac{4}{5}\) * \(\frac{2}{1}\) >Now it's multiplication, reduce first if you can
(nothing reduces in this problem), so mulitply
across
= \(\frac{8}{5}\)
Combine the like terms to create an equivalent expression
-k-(-8k)
Answer:
-k+8k=7k is the solution
if you subtract 1/8 from a number and multiply the result by 1/4 you get 1/16. what is the number
Answer:
(x - 1/8) * 1/4 = 1/16
x - 1/8 = 1/16
x = 1/16 + 1/8
x = 3/8
A case of 24 cans of soup costs $38.16. What is the cost of 7 cans of soup?
Answer:
$11.13
Step-by-step explanation:
24 cans = $38.16
divide both sides by 24 to find the cost per can, as this leaves us with 1 can on one side
24 cans / 24 = $38.16 / 24
1 can = $1.59
multiply both sides by 7 to get 7 cans of soup on one side, which is what we want
1 can * 7 = $1.59 * 7
7 cans = $11.13
Which ones are not functions
Answer:
1,2,3,7
a function can only have one y for every x
the first 3 have multiple y values for a single x value as well as the seventh one has 2 y values for that one x value
(first 3 on top not functions, 3rd one on the bottom also not a function)
Step-by-step explanation:
If 12.6cm on the map is equal to 1262km in real life, determine the unit scale of the map
Answer:
1unit scale on map is equal to 100.16 km in real life
Step-by-step explanation:
since in map 12.cm =1262km in real life
1cm=(1262/12.6) km
therefore it gives us 100.158km which is approximately 100.16 km .
Divide. State the quotient in simplest form.
4x5/ 12x²/
x2_3x-4 3x+3, x ≠ − 1, 4
The quotient in simplest form is \(x^3 * (x+1)/(x-4).\)
What is fractiοn?A fractiοn represents a part οf a whοle οr, mοre generally, any number οf equal parts. When spοken in everyday English, a fractiοn describes hοw many parts οf a certain size there are, fοr example, οne-half, eight-fifths, three-quarters.
Numeratοrs and denοminatοrs are alsο used in fractiοns that are nοt cοmmοn, including cοmpοund fractiοns, cοmplex fractiοns, and mixed numerals.
In pοsitive cοmmοn fractiοns, the numeratοr and denοminatοr are natural numbers. The numeratοr represents a number οf equal parts, and the denοminatοr indicates hοw many οf thοse parts make up a unit οr a whοle.
Tο divide fractiοns, we invert the secοnd fractiοn and multiply it by the first. Sο:
4x⁵/12x² ÷ (x²-3x-4)/(3x+3)= (4x⁵/12x²) * (3x+3)/(x²-3x-4)
Inverted secοnd fractiοn and multiplied
= (4/12) * (x⁵/x²) * (3(x+1)/(x-4)(x+1))
Factοred the denοminatοr οf the secοnd fractiοn
= (1/3) * \(x^{(5-2)\) * (3(x+1)/(x-4))
Simplified and cancelled οut cοmmοn factοrs\(= (1/3) * x^3 * (3(x+1)/(x-4))= x^3 * (x+1)/(x-4)\)
Therefοre, the quοtient in simplest fοrm is \(x^3 * (x+1)/(x-4).\)
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Which symbol makes -121. That make -21 a true statement
Answer:
<
Step-by-step explanation:
To solve this correctly you need to remember how to compare integers.
Find the equation of the line that passes through (1,3) and is perpendicular to y = 1 − 2 x
Answer:
\(y=\displaystyle\frac{1}{2} x+\displaystyle \frac{5}{2}\)
Step-by-step explanation:
Hi there!
Linear equations are typically organized in slope-intercept form: \(y=mx+b\) where m is the slope and b is the y-intercept.
Perpendicular lines always have slopes that are negative reciprocals (ex. 1/2 and -2, 3/4 and -4/3)
Determine the slope (m):
\(y = 1 -2x\)
Rearrange into slope-intercept form:
\(y = -2x+1\)
Now, we can identify clearly that the slope is -2. Because perpendicular lines always have slopes that are negative reciprocals, a perpendicular line would have a slope of \(\displaystyle\frac{1}{2}\). Plug this into \(y=mx+b\):
\(y=\displaystyle\frac{1}{2} x+b\)
Determine the y-intercept (b):
\(y=\displaystyle\frac{1}{2} x+b\)
Plug in the given point (1,3) and solve for b:
\(3=\displaystyle\frac{1}{2} *1+b\\\\b=\displaystyle \frac{5}{2}\)
Therefore, the y-intercept is \(\displaystyle \frac{5}{2}\). Plug this back into \(y=\displaystyle\frac{1}{2} x+b\):
\(y=\displaystyle\frac{1}{2} x+\displaystyle \frac{5}{2}\)
I hope this helps!
For the question of total area of the cuboid is 200cm^.
I understand where we divide 150 by 4.
But why do I need to multiply by 5, when there are 6 faces.
You need to multiply by 5 instead of 6 because each pair of opposite faces on a cuboid has the same area, so by considering one face from each pair, you ensure that you don't count any face twice.
When calculating the total surface area of a cuboid, you need to understand the concept of face pairs.
A cuboid has six faces, but each face has a pair that is identical in size and shape.
Let's break down the reasoning behind multiplying by 5 instead of 6 in the given scenario.
To find the surface area of a cuboid, you can add up the areas of all its faces.
However, each pair of opposite faces has the same area, so you avoid double-counting by only considering one face from each pair. In this case, you have five pairs of faces:
(1) top and bottom, (2) front and back, (3) left and right, (4) left and back, and (5) right and front.
By multiplying the average area of a pair of faces by 5, you account for all the distinct face pairs.
Essentially, you are considering one face from each pair and then summing their areas.
Since all the pairs have the same area, multiplying the average area by 5 gives you the total surface area.
When dividing 150 by 4 (to find the average area of a pair of faces), you are essentially finding the area of a single face.
Then, by multiplying this average area by 5, you ensure that you account for all five pairs of faces, providing the total surface area of the cuboid.
Thus, multiplying by 5 is necessary to correctly calculate the total surface area of the cuboid by accounting for the face pairs while avoiding double-counting.
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WHO KNOWS THIS QUESTION
Answer:
A
Step-by-step explanation:
Hope This Helps
The conditional statement below is true. If possible, write the biconditional statement.
If 2x = 18, then x = 9.
The biconditional statement for the given conditional statement would be:
2x = 18 if and only if x = 9.
The given conditional statement "If 2x = 18, then x = 9" can be represented symbolically as p → q, where p represents the statement "2x = 18" and q represents the statement "x = 9".
To form the biconditional statement, we need to determine if the converse of the conditional statement is also true. The converse of the original statement is "If x = 9, then 2x = 18". Let's evaluate the converse statement.
If x = 9, then substituting this value into the equation 2x = 18 gives us 2(9) = 18, which is indeed true. Therefore, the converse of the original statement is true.
Based on this, we can write the biconditional statement:
2x = 18 if and only if x = 9.
The biconditional statement implies that if 2x is equal to 18, then x must be equal to 9, and conversely, if x is equal to 9, then 2x is equal to 18. The biconditional statement asserts the equivalence between the two statements, indicating that they always hold true together.
In summary, the biconditional statement is a concise way of expressing that 2x = 18 if and only if x = 9, capturing the mutual implication between the two statements.
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