Answers
Answer:
Cosine (cos)
Step-by-step explanation:
Sine, Cosine, and Tangent have their own properties.
Cosine is adjacent over hypotenuse. We have the angle of 59, the line adjacent is 17 and the hypotenuse is x. You could also do it for the right angle.
Related Questions
estimate each product 8 × 56.7
Answers
Answer:
465??
Step-by-step explanation:
Select the correct answer. Maria donates a fixed amount, a, to a charity each month. If she donates $300 in 12 months, what is the equation for a? A. a + 300 = 12 B. a × 300 = 12 C. a × 12 = 300 D. a + 12 = 300 E. a + 32 = 100
Answers
Answer: C
she donates a for 12 months, the 12 in the a * 12=300. the a is the fixed amount, meaning she will donate a 12 times in a year.
Multiplying by which number is equivalent to a decrease of 8.2%?
Answers
Multiply by 0.918
O
Which of the following could be used to calculate the area of the sector in the circle sho
O
m(Sin)
O
WE OD
m(Sin)2
O n(30in)2
O
r-5 in 30
m(30in)
O
above? (5 points)
Answers
The Circle Sector Area correct answer is: O n(30in)2
To calculate the area of the sector in the circle, you would typically use the formula:
Area = (θ/360) * π *\(r^2\)
where θ is the angle of the sector in degrees, π is a mathematical constant approximately equal to 3.14159, and r is the radius of the circle.
From the options you provided, the correct choice would be:
O n(30in)2
This option represents the square of the radius (30in) squared, which gives you the value of \(r^2.\)
Therefore, the Circle Sector Area correct answer is: O n(30in)2
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6. The dot plots show the numbers of miles lan skated on several days in two different
months.
July
0
15
5
10
Number of Miles Skated Each Day
August
:
:.:.
0
5
10
Number of Miles Skated Each Day
15
Which statement is supported by the information in the dot plots?
Answers
Answer:
A
Step-by-step explanation:
The least number of miles Ian skated on a day in July is greater than the least number of miles Ian skated on a day in August.
The statements that best supported by the dot plot are;
The least number of miles Ian skated on a day in July is greater than the least number of miles Ian skated on a day in August.
What is the range of the number?The range of the number of miles Amanda skated in August is; 1 to 3
The range of the number of miles Amanda skated in July is; 1 to 4
IT is found that range of the number of miles Amanda skated in August is less than the range of the number of miles she skated in July.
The distribution of data for the month of July is almost symmetrical but the data in August is not.
The mode of the number of miles Amanda skated in July is equal to the mode of the number of miles skated in August which is also a true statement.
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6i4+6i3−2i2+−49−−−−√ rewritten in a+bi form
Answers
Answer:
\(8+i\)
Step-by-step explanation:
We are given that an expression
\(6i^4+6i^3-2i^2+\sqrt{-49}\)
We have to rewrite in the form of a+bi
\(6(i^2)^2+6i^3-2i^2+\sqrt{-49}\)
We know that
\(i^2=-1\)
\(i^3=-i\)
\(\sqrt{-1}=i\)
Using the identity
Then, we get
\(6-6i-2(-1)+7i\)
\((6+2)+(7-6)i\)
\(8+i\)
This is required form of a+ib
help i can't figure this out it's algebra
Answers
Step-by-step explanation:
Part A:
The maximum point is (2.5, 2531.25). This represents that $2.5 should be decreased from the original price to achieve the most profit from t-shirt sales.
Part B:
The y-intercept is seen to be around (0, 2500). This tells us that the profit made from the original price is $2500.
Part C:
Yes. The point (25, 0) is a solution. It tells us that if we decreased the original price by $25, we would make no/zero profit.
Answer:
Step-by-step explanation:
A. The optimal decrease in price to gain the maximum profit in sale:
Meaning if you reduce the price by $2.5, you will gain the maximum profit of $2531.25
B. It represents the amount of profit without any change in the current price on the t-shirt.
By shifting and expanding the original equation \(y=-x^{2}\\\)
\(y = -5(x-2.5)^{2} + 2531.25\)
\(x = 0 => y = 2500\)
C. The solution is as in part B
It represents by reducing the price of each t-shirt, there is an initial increase in profit but eventually it will drop.
11. Two of every 7 birds landing on
Mischa's feeder are sparrows. Today,
42 birds landed on her feeder. How
many of the birds would you expect to
be sparrows?
A 6
B 12
C 21
D 35
Answers
Answer:
B) 12
Step-by-step explanation:
2/7 is the original ratio
7 × 6 = 42
2 × 6 = 12
What is the domain of the relation?
Answers
Answer:
I am not certain but it's either the last one or second to last my bet is -4<x<4 but you can try I am not certain tho
True or false please help me
Answers
Answer:
no
Step-by-step explanation:
18 is repeted in the y-axis
Answer:
false
Step-by-step explanation:
The perimeter of a rectangular red sticker is 34 millimeters. The sticker is 7 millimeters tall. How wide is it?
Answers
Perimiter is adding up all sides A+B+C+D.
Rectangles have two sets of parallel lines the height and the width.
If we know one of the heights is 7 the. We can conclude the parallel side is also 7
So then the total perimiter 34 minus the heights is 20.
We know that there is another set of parallel sides, remaining and 20 is how perimiter is left
… so if you divide by 2 your left with one side which is the width
Answer 10
MADD (Mother's Against Drunk Drivers) wishes to estimate the proportion of adult drivers that have run at least one red light in the last month. A poll is conducted on a simple random sample of adult drivers and it is found that out of 1251 adult drivers, 641 of them have run at least one red light in the last month. You will be finding a 90% confidence interval for the fraction of adult drivers that run at least one red light in the last month.
Required:
Check that the normality assumptions are met?
Answers
Answer:
Normality assumptions are met.
The 90% confidence interval for the proportion of adult drivers that run at least one red light in the last month is (0.4892, 0.5356).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(1-\alpha\), we have the following confidence interval of proportions.
\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)
In which
z is the zscore that has a pvalue of \(1 - \frac{\alpha}{2}\).
A poll is conducted on a simple random sample of adult drivers and it is found that out of 1251 adult drivers, 641 of them have run at least one red light in the last month.
This means that \(n = 1251, \pi = \frac{641}{1251} = 0.5124\)
Normality assumptions:
We need that: \(n\pi \geq 10, n(1-\pi)\geq 10\)
We have that:
\(n\pi = 1251*0.5124 = 641\)
\(n(1-\pi) = 1261*0.4876 = 610\)
So normality assumptions are met.
90% confidence level
So \(\alpha = 0.1\), z is the value of Z that has a pvalue of \(1 - \frac{0.1}{2} = 0.95\), so \(Z = 1.645\).
The lower limit of this interval is:
\(\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5124 - 1.645\sqrt{\frac{0.5124*0.4876}{1251}} = 0.4892\)
The upper limit of this interval is:
\(\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.5124 + 1.645\sqrt{\frac{0.5124*0.4876}{1251}} = 0.5356\)
The 90% confidence interval for the proportion of adult drivers that run at least one red light in the last month is (0.4892, 0.5356).
please help!! will mark brainlist!
Answers
Answer:
i think its the middle one
Step-by-step explanation:
i need help with math
Answers
The relationship between the distance that birds fly in relation to the time they do so, is positive.
There are about 3 outliers but for the most part, the relationship is positive.
How to describe the relationship ?The graph which shows the distance that birds fly in relation to the time they do, shows that there is a positive relationship because as the time increases, the distance that the birds have flown also increases.
There are some outliers such as the bird that flew 1 mile in 7 hours but in general, as the time increases, the distance increases as well. There are two clusters of distance as well.
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Natalie randomly answered the last three
true-or-false questions on her math quiz.
What is the probability that she got at least
two correct?
Answers
The probability that Natalie got at least two correct on the last three
true-or-false questions is 1/4.
What is the probability that Natalie got at least two correct?Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.
The sample space is 2. The question is either correct or wrong.
The probability that Natalie got at least two correct = 1/2 x 1/2 = 1/4
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The distance between the points (10, -2) and (4, 6) is 10.
True
False
=
Answers
Answer:
True
Step-by-step explanation:
Use the distance formula: x^2 + y^2 = d^2; where d=distance
x = x2 - x1
y = y2 - y1
(10, -2), (4, 6) ==> (x1=10, y1=-2), (x2=4, y2=6)
x = 4 - 10 ==> plug in 4 for x2 and 10 for x1
x = -6
y = 6 - (-2) ==> plug in 6 for y2 and -2 for y1
y = 6 + 2
y = 8
(-6)^2 + (8)^2 = d^2 ==> plug in x and y back into the distance formula
36 + 64 = d^2
100 = d^2 ==> simplify
d = \(\sqrt{100}\)
distance = 10 ==> True
Why should we wear rubber gloves on our hands while working with electricity?
Answers
Answer:
a simple answer would be that rubber doesnt conduct electricity, so by wearing it you are at a substantially lower risk of being insured by electricity. This is also why people who work with electricity wear rubber soled boots.. to prevent grounding and ultimately, to prevent getting electrocuted. hope this helps :)
Answer:
if you don't wear rubber gloves, there will be a chance of you being electrocuted. Rubber gloves don't let any electricity to go through, so your body can stay safe.
Hope this helps.
Step-by-step explanation:
A group of students were in a disagreement about how to solve for x in the figure.
Which method could be used to solve?
x
12
30%
Answers
Answer:
C.using sin(30⁰).
because A=sin 30⁰bh
Find the length and width of the rectangle in each case if the perimeter and the ratio of the length and width are given
Perimeter= 80cm ; length: width=7:3
haLP :(
Answers
Answer:
Length of rectangle = 28 cm
Width of rectangle = 12 cm
Step-by-step explanation:
Perimeter= 80cm
We are given Length:Width = 7:3
We can write them as:
Length =7x
Width=3x
We need to find length and width.
To find length and width we need to find value of x.
The formula used is: \(Perimeter= 2(Length+Width)\)
Putting values and finding value for x
\(Perimeter= 2(Length+Width)\\80=2(7x+3x)\\40=10x\\x=\frac{40}{10} \\x=4\)
So, length = 7x = 7*4 = 28
Width = 3x = 3*4 = 12
So, Length of rectangle = 28 cm
Width of rectangle = 12 cm
Plot A shows the number of hours ten girls watched television over a one-week period. Plot B shows the number of
hours ten boys watched television over the same period of time.
Which statement correctly compares the measures of center in the two sets of data?
Both the mean and median are greater for Plot A than for Plot B.
* Both the mean and median are greater for Plot B than for Plot A.
Plot A has a greater median than Plot B, but Plot B has a greater mean.
Plot B has a greater median than Plot A, but Plot A has a greater mean.
(It’s not B on edg2020 btw)
Answers
Answer: Hello I have your Answer
It's A
Step-by-step explanation:
Your welcome
The following selected information was extracted from the records of B Solomon.
1. B Solomon, the owner of Solomon Traders, bought a new Machine for R250 000 on 1 July 2013.
2. On 1 October 2014, he purchased a second Machine for R350 000 cash.
3. On 30 June 2015, the Machine bought during 2013 was sold for R120 000 cash.
4. It is the business’ policy to depreciate Machines at 20% per annum on cost.
REQUIRED:
Prepare the following ledger accounts reflecting all applicable entries, in the books of Solomon Traders, properly balanced/closed off, for the years ended 31 March 2016:
1.1. Accumulated depreciation.
1.2. A Machines realisation.
NB: Show all calculations as marks will be awarded for calculations.
Answers
1.1. Accumulated depreciation:
The accumulated depreciation for the machine bought on 1 July 2013 would be R150,000 as of 31 March 2016.
1.2. Machine realization:
The machine bought in 2013 was sold for R120,000 on 30 June 2015, resulting in a profit/loss on the sale of R10,000.
1.1. Accumulated Depreciation:
To calculate the accumulated depreciation, we need to determine the annual depreciation expense for each machine and then accumulate it over the years.
Machine bought on 1 July 2013:
Cost: R250,000
Depreciation rate: 20% per annum on cost
Depreciation expense for the year ended 31 March 2014: 20% of R250,000 = R50,000
Depreciation expense for the year ended 31 March 2015: 20% of R250,000 = R50,000
Depreciation expense for the year ended 31 March 2016: 20% of R250,000 = R50,000
Accumulated depreciation for the machine bought on 1 July 2013:
As of 31 March 2014: R50,000
As of 31 March 2015: R100,000
As of 31 March 2016: R150,000
1.2. Machine Realisation:
To record the sale of the machine bought in 2013, we need to adjust the machine's value and the accumulated depreciation.
Machine's original cost: R250,000
Accumulated depreciation as of 30 June 2015: R100,000
Net book value as of 30 June 2015:
R250,000 - R100,000 = R150,000.
On 30 June 2015, the machine was sold for R120,000.
Realisation amount: R120,000
To record the sale:
Debit Cash: R120,000
Debit Accumulated Depreciation: R100,000
Credit Machine: R250,000
Credit Machine Realisation: R120,000
Credit Profit/Loss on Sale of Machine: R10,000 (difference between net book value and realisation amount).
These entries will reflect the appropriate balances in the ledger accounts and properly close off the accounts for the years ended 31 March 2016.
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Analyze the diagram below and answer the question that follows
How many faces does the solid have?
A. 4
B. 5
C. 6
D. 8
Answers
Answer:
C.6
Step-by-step explanation:
dude what is this i dont understand
Answers
Answer:
g(1) = 1
Step-by-step explanation:
the absolute value function always gives a positive result, that is
| - a | = | a | = a
to evaluate g(1) substitute x = 1 into g(x)
g(1) = - 3| 1 - 2| + 4
= - 3| - 1| + 4
= - 3(1) + 4
= - 3 + 4
= 1
a 40 foot ladder is leaning against a building and forms a 29.32° angle with the ground. How far away from the building is the base of the latter? Round your answer to the nearest hundred
Answers
9514 1404 393
Answer:
34.88 feet
Step-by-step explanation:
The relevant trig relation is ...
Cos = Adjacent/Hypotenuse
We want to find the length of the side adjacent to the measured angle. The hypotenuse is the ladder length.
cos(29.32°) = distance/(40 ft)
distance = (40 ft)cos(29.32°) ≈ 34.876°
The base of the ladder is about 34.88 feet from the building.
_____
Additional comment
It extends about 19.59 feet up the side of the building.
Sequence: 15, 19, 23, 27,...
an an-1 +4
C
a1
=
Answers
The recursive function o f the given sequence will be an = an-1 + 4
Recursive functionThe formula for calculating the recursive function of n arithmetic sequence is expressed as
an = an-1 + d
Determine the common difference
d = 19 - 15 = 23 -19
d = 4
The recursive function o f the given sequence will be an = an-1 + 4
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Find x in this equation
Answers
Answer:
5
Step-by-step explanation:
\(\triangle HBK \cong \triangle NBK\) by SAS. Using CPCTC, \(3x=x+10 \implies 2x=10 \implies x=5\).
A company that manufactures cell phones has been given a quarterly operating budget of $951,615.00. The company's quarterly
operating cost consists of two costs: an overhead fixed cost and the manufacturing cost of each cell phone. The company knows
that the overhead fixed cost per quarter is $225,378.00, and the cost to manufacture each cell phone is $58.90.
If the company's quarterly operating costs cannot exceed the quarterly budget, then what is the maximum number of cell phones
that they can manufacture during the quarter?
OA. 19,983
OB
8,504
C. 4,677
OD.
12,330
Answers
Answer: D. 12,330 phones
Step-by-step explanation:
First remove the fixed cost from the operating budget so that the variable cost that can be spent on each phone is known in total:
= 951,615 - 225,378
= $726,237
With each phone costing $58.90, the total number of phones that can be produced is therefore:
= Variable budget / Variable cost per phone
= 726,237 / 58.90
= 12,330 phones
kerry is going to use these instructions to make a fizzy drink
mix 7 parts apple juice with 3 parts lemonade
kerry thinks that she has 280ml of applejuice and 180 ml lemonade.
if kerry is correct what is the greatest amount of fizzy drink she can make?
second part:
kerry has 280 ml of applejuice but only has 160 ml of lemonade.
Does this affect the greatest amount of fizzy drink she can make?
Give a reason for your answer.
Answers
a) She can make 400 milliliters of the fizzy drink.
b) The change does not affect the greatest amount of drink.
If kerry is correct what is the greatest amount of fizzy drink she can make?We know that the fizzy drink is 7 parts apple juice and 3 parts lemonade. And Kerry thinks that she has 280ml of apple juice and 180 ml lemonade.
If we divide the total amount of apple juice in 7 parts, then each part has:
280ml/7 = 40ml
Then we need 3 parts of 40ml of the lemonade, this is:
3*40ml = 120ml
Then the total amounf of drink fizz that she can make is:
280ml + 120ml = 400ml.
b) Now she has 160 ml of lemonade, but she needs 120 ml of it, so this change does not affect the greatest amount of fizzy drink she can make.
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What is the probability of rolling a 2 or a 4 on a 6 section spinner?
Answers
A team can spend no more than $300 on shirts. The team has already spent $80. How many shirts for $15 each can they still buy?
Answers
Answer: 14
Step-by-step explanation:
300 minus 80 = 220
220 is the budget for the shirts so we divide 220 by 15 to get 14
Hope this helps!
Answer:14 shirts
Step-by-step explanation:300- 80 = 220
220/ 15 = 14.6 round 14.6 to 14 (because you cant buy half a shirt)
you can get 14 shirts