For the given data, ∅ is the given angle in standard position, terminal side passes through (-9,5) then the exact value of sec∅= ( - √106/ 9 ) in simplest radical form.
As given in the question,
For the given angle ∅ (theta) in standard position:
Terminal side of ∅ is passes through the point ( -9, 5 )
( -9 , 5 ) represents ∅ is in the second quadrant.
In second quadrant sine in positive and cosine is negative.
Base is negative and altitude is positive.
Base = -9
Altitude = 5
Using Pythagoras theorem,
Hypotenuse² = (-9)² + (5)²
⇒ Hypotenuse = √106
cos ∅ = -9 / √106
sec ∅ = 1/ cos ∅
= - √106/9 ( simplest radical form )
Therefore, for the given data, ∅ is the given angle in standard position, terminal side passes through (-9,5) then the exact value of
sec∅= ( - √106/ 9 ) in simplest radical form.
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6:3(3+3)= can anyone answer this
Simon invests $7000 into an account that earns 0.4% simple interest annually.
Which statement best describes the relationship between the number of years Simon has his money invested and the account balance in any year?
1:
The relationship is linear. His account increases each year by a constant value of $280.
2:The relationship is exponential. The ratio of his account balance any year to the previous year is 1.004.
3:The relationship is exponential. The ratio of his account balance any year to the previous year is 0.004.
4:The relationship is linear. His account increases each year by a constant value of $28.
The relationship is linear. His account increases each year by a constant value of $28.
The relationship between the number of years that Simon's money is invested and the account balance can be described as 4:The relationship is linear. His account increases each year by a constant value of $28.
How to find the relationship between variables?The simple interest due to Simon's account every year is:
= Simple interest rate x Amount invested
= 0.4% x 7, 000
= $28
This means that every year, Simon's account would increase by a value of $28.
This represents a linear relationship because in linear relationships, the value of the variables increases by a constant amount each year or period.
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How can I find the scale factor of the two similar triangles and how can I use similarity and scale factor to find the length?
Answer:
i think, x equal 12 and y equal 20
Show, by shading on the grid, the region defined by all three of the inequalities
x ≤ 5 y ≥ 3 y ≤ x
Answer:
See below
Step-by-step explanation:
The area (triangle) marked 'x' in the diagram below
Find the side length of x. Round your answer to nearest hundredth
For the given right angled triangle, the base of the triangle is 10 units and perpendicular side is 9 units then its side length x is equal to 13.45 units (nearest hundredth).
As given in the question,
Given right angled triangle,
Base of the triangle is equal to 10 units
Perpendicular side of a triangle is equal to 9 units
Side length 'x' is the hypotenuse of the right angled triangle.
Using Pythagoras theorem we get,
(Hypotenuse)² = ( Base)² + ( Perpendicular side)²
⇒ x² = (10)² + (9)²
⇒ x² = 100 + 81
⇒ x² = 181
⇒ x = √181
⇒ x = 13.4536...
⇒ x = 13.45 units ( nearest hundredth)
Therefore, for the given right angled triangle, the base of the triangle is 10 units and perpendicular side is 9 units then its side length x is equal to 13.45 units (nearest hundredth).
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At 12 noon it was discovered that a driver has travelled 3/8 of the distance from Kano to lagos ,while another driver had travelled 3/10 of that distance from lagos,travelling at the same rate .if the two drivers are 390km apart .find the distance from Kano to lagos
The distance from Kano to Lagos is 1200 km
How to determine the distance from Kano to LagosThe problem involves addition of fractions
The fraction required are:
let the distance form kano to Lagos be x
it was discovered that a driver has travelled 3/8 = 3x/8
another driver had travelled 3/10 of that distance = 3x/10
The drivers are still 390 km apart
total distance, x
x = 390 + 3x/8 + 3x/10
x - 3x/8 - 3x/10 = 390
0.325x = 390
x = 390 / 0.325
x = 1200 km
From the driving distance information 1200 km is the distance from Kano to Lagos
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Divide 647,457 by 325,712,318
Write an inequality in slope intercept form from the linear inequality graphed below.
The inequality represented by the graph in slope intercept form is
y ≤ 2x - 4How to find the inequality the graph representsA graph is a pictorial representation of data and the graph presented represents inequality data
The graph shows a linear function written in the slope intercept form form as
y = mx + c
where slope, m calculated as
c = intercept
x = input variables
y = output variables
calculation of slope
The points used for the slope is gotten from the graph as (2. 0) (0, -4)
m = (y₂ - y₁) / (x₂ - x₁)
substituting the values
= ( -4 - 0 ) / ( 0 - 2 )
= -4 / -2
= 2
y intercept, c
this is a point where the graph cuts the y axis
c = -4
The graph contains
a solid line as result there will be "equal to" attached to the inequality symbol usedshading below the line means less thanthis gives the idea to use less than or equal to written with the symbol ≤
hence the equation is written using y = mx + c and substituting the values
y ≤ 2x - 4
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26% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You randomly select 10 adults. Find the probability that the number of adults who say they are more likely to make purchases during a sales tax holiday is (a) exactly two, (b) more than two, and (c) between two and five, inclusive.
Answer:
a) p(X =2) = 0.261
b) P(x>2) = 0.566
c) P(2<x<5) = 0.334
Step-by-step explanation:
Given 24% of U.S. adults say they are more likely to make purchases during a sales tax holiday
Probability 0f U.S. adults say they are more likely to make purchases during a sales tax holiday (p) = 0.24
n = 10
By using Poisson distribution
mean number of make purchases during a sales tax holiday
λ = np = 10 X 0.24 = 2.4
a)
The probability of getting exactly '2'
The probability
b) The probability of getting more than '2'
= 0.090 + 0.2177+0.261 = 0.566
P(x>2) = 0.566
c) The probability of getting between two and five
P( 2<x<5) = P(x=3)+p(x=4) =P(2<x<5) = 0.2090 + 0.125 = 0.334
hope this helps
Please help! I will award top rating for the first to help! (the questions are on the image)
It needs to be fully simplified!
Answer:
Step-by-step explanation:
4x(power of 5) divided by x(power of 2)
5y(po7) div by y(po2)
not 100% sure as i havent learnt this before lol
Name the Inequalities
Which symbol correctly compares the fractions below?
2/3 ? 6/9
A. >
B. none of these are correct
C. =
D.
Answer:
C
Step-by-step explanation:
6/9 simplified is 2/3
Hope this helps
HELP!! WILL MARK BRAINLIEST!!
What is the slope of this line?
Enter your answer as a whole number or a fraction in simplest form in the box.
Answer:
1/4
Step-by-step explanation:
rise/run you can count it but it doesn't always work
If you want to know the mathematical way of doing it it's:
m(slope) = y2-y1/x2-x1 Choose any two points I chose (-4,5) & (0,6)
m = 6-5/0-(-4) Then subtract 6 - 5 and 0-(-4)
m = 1/4
determine between which two consecutive integers the square root lies.
Step-by-step explanation:
we know the square numbers of the basic integer numbers :
1² = 1
2² = 4
3² = 9
4² = 16
5² = 25
6² = 36
7² = 49
8² = 64
9² = 81
10² = 100
so, we see when we square the inequality, the closest numbers are
81 < 91 < 100
and therefore
9 < sqrt(91) < 10
Each night Liz spends at least 45 minutes and no more than 120 minutes on her phone.
Choose which double inequality describes how long Liz spends on her phone each night.
"n" will be used as your variable.
pls help me its due today
Using the given information, we can write the compound inequality for the variable n:
45 ≤ n ≤ 120
How to write the inequalities?
Here we know that Liz spends at least 45 minutes and no more than 120 minutes on her phone.
So if we define the variable n as:
n = number of minutes that Liz spends on her phone.
We know that n must be larger than or equal to 45, so we can write the first inequality:
45 ≤ n
And we also know that it must be smaller than or equal to 120, then the other inequality is:
n ≤ 120
Combining the two we can write the compound inequality:
45 ≤ n ≤ 120
That is what we wanted to get.
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Quill works for a newspaper. He was hired
five years ago. When he was hired, he was
given three vacation days. For each year he
works with the company, he earns two
additional vacation days up to a maximum
of 20 days. How many paid vacation days
does he now get at the end of five years of
employment. If his annual salary is
$64,480, how much does he make during his
vacation?
He got 11 vacation days in five years. If his annual salary is $64,480 he earned during his vacation days $2277
How much vacation time should employee get?The average nationwide is 10, however it varies a little by industry and area. These days off—generally regarded as vacation time—usually get longer the longer an employee works. For the majority of businesses, an employee can receive an additional three to four days per year every five years based on longevity.
The normal recommendation is to wait three to six months. However, the organization and its culture have a big impact. He continued by saying that many businesses make it very clear what their vacation policy is. Some employers allow you to accumulate additional vacation time the longer you work
64,480/12 =5373.33
5373.33/26 = 207
207 x 11 =2277
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He got 11 vacation days in five years. If his annual salary is $64,480 he earned during his vacation days $2277
How much vacation time should employee get?The average across the country is 10, but it varies slightly by region and industry. The length of these vacation days typically increases with an employee's length of service. Based on longevity, most companies allow employees to get an extra three to four days per year every five years.
The usual advice is to hold off for three to six months. The organization and its culture, however, play a significant role. He went on to remark that a lot of companies are quite explicit about their vacation policies. The longer you work for some employers, the more vacation time you can accrue.
64,480/12 =5373.33
5373.33/26 = 207
207 x 11 =2277
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help me out thanks 10 ponits
Answer:
yes yes ...................
Cassidy has $425 in her savings account, and she has to pay $5 each month to her parents for her cell phone. Calvin has $95 and he saves $25 each month from his job walking dogs for his neighbor. At this rate, when will Cassidy and Calvin have the same amount of money? How much will they each have?
Cassidy and Calvin have the same amount of money in 11 months.
The amount is $370.
How to illustrate the equation?Cassidy has $425 in her savings account, and she has to pay $5 each month to her parents for her cell phone. This will be:
= 425 - 5m
Calvin has $95 and he saves $25 each month from his job walking dogs for his neighbor. This will be:
= 95 + 25m
where m = number of months
The equation will be:
425 - 5m = 95 + 25m
Collect like terms
425 - 95 = 25m + 5m
330 = 30m
Divide
m= 330/30
m = 11
The number of months is 11.
The amount will be:
= 425 - 5m
= 425 - 5(11)
= 425 - 55.
= 370
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A hotel has a budget of $63,750 to repaint the lobby and some hotel rooms. The hotel spent $26,700 on painting the lobby. Each room costs $4,250 to paint. The inequality 26,700 + 4,250n ≤ $63,750 can be used to determine the number of rooms (n) the hotel can repaint.
Which statement about the number of rooms that can be painted is true?
A.
The hotel can repaint 9 rooms.
B.
The minimum number of rooms that can be repainted is 2.
C.
The maximum number of rooms that can be repainted is 2.
D.
The hotel can repaint 2 rooms, but this number is neither the maximum nor the minimum.
The statement that is true about the number of rooms that can be painted using inequality is; D.
The hotel can repaint 2 rooms, but this number is neither the maximum nor the minimum.
How to solve Inequality Word problems?We are given;
Budget of hotel to repaint the lobby and some hotel rooms; $63750
Amount spent on painting the lobby = $26700
Cost to paint each room = $4250
Thus, the inequality to represent the given situation is;
26,700 + 4,250n ≤ $63,750
where;
n is number of rooms the hotel can repaint
Subtract 26700 from both sides of the inequality to get;
4250n ≤ 37050
n ≤ 37050/4250
n ≤ 8.717
Since we can't paint only a portion, we leave it as a maximum of 8 rooms
Looking at the given options, the only correct one is option D.
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The current on the Little River is 8 mph. Tom's
boat goes 15 mph in still water. How far upstream
can Tom's boat go on the Little River in 1.5 hours?
a) 12 miles
b) 25 miles
c) 10.5 miles
d) 34.5 miles
10.5 miles far upstream can Tom's boat go on the Little River in 1.5 hours.
How to calculate the relative velocity ?The relative velocity formula is written as follows. V is equal to
V → = V A B → + V B C →
Where. VAB is the velocity in relation to A and B, VBC is the velocity in relation to B and C, and VAC is the velocity in relation to A and C.
The current on the Little River is 8 mph.
Tom's boat goes 15 mph in still water.
For Upstream
the Velocity of the boat = 15 mph - 8mph
= 7mph
How far upstream
can Tom's boat go on the Little River in 1.5 hours = 7* 1.5 = 10.5 miles
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According to the questions that are asked in the various Government exams that are held across the nation, the boat and stream concept is one of the most frequently covered subjects.
How to calculate Boat and Stream?The four terms that a candidate has to comprehend in order to grasp the notion of streams are listed below.Stream: A river's flowing water is referred to as a stream.Upstream - A boat is said to be moving upstream if it is moving downstream of the stream. The boat's upstream speed in this situation is its net speed.Downstream - A boat is said to be moving downstream if it is moving in the same direction as the stream. In this instance, the boat's downstream speed is its net speed.Still Water - In this situation, the water is seen as being immobile and has no speed.The main focus of this topic is determining the speed of anything moving through water, whether it is moving with the current or against it.For example : In one hour, a boat goes 13 km/hr in the direction of the stream and 7 km/hr against the direction of the stream. What will be the speed of the boat in still water?Utilizing the formula,Boat speed in still water = 1/2 (downstream speed + upstream speed).
Boat's speed in still water equals 1/2 (13+7) = 1/2 × 20 = 10 km/hr.
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What is the y-intercept of this line?
Answer:
The Y intercept of this line is -3.
Step-by-step explanation:
The X intercept of the crossing line is about -1.4.
On finding the Y intercept:
Step 1: look at the vertical black line (Y Axis)
Step 2: Locate where the blue line crosses on this line.
Step 3: graph Y function of the point as your answer.
Hope this helped a bunch!
Have a great day!
- Kit-Kat~
What does the Big Bang Theory explain?
Answer:
The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!
Step-by-step explanation:
In 1927, an astronomer named Georges Lemaître had a big idea. He said that a very long time ago, the universe started as just a single point. He said the universe stretched and expanded to get as big as it is now, and that it could keep on stretching The universe is a very big place, and it’s been around for a very long time. Thinking about how it all started is hard to imagine. Some More Information
Just two years later, an astronomer named Edwin Hubble noticed that other galaxies were moving away from us. And that’s not all. The farthest galaxies were moving faster than the ones close to us. This meant that the universe was still expanding, just like Lemaître thought. If things were moving apart, it meant that long ago, everything had been close together.
Everything we can see in our universe today—stars, planets, comets, asteroids—they weren't there at the beginning. Where did they come from?
A Tiny, Hot Beginning
When the universe began, it was just hot, tiny particles mixed with light and energy. It was nothing like what we see now. As everything expanded and took up more space, it cooled down.
The tiny particles grouped together. They formed atoms. Then those atoms grouped together. Over lots of time, atoms came together to form stars and galaxies.
The first stars created bigger atoms and groups of atoms. That led to more stars being born. At the same time, galaxies were crashing and grouping together. As new stars were being born and dying, then things like asteroids, comets, planets, and black holes formed!
For a circle with a radius = 4.3, find the following:
(Use π = 3.14 for all answers. Do not round!)
Circumference =
Area =
Answer: Circumference equals = 27.004
Area equals = 58.0586
We can write the area and circumferance of the given circle as 18.49π square units and 8.6π units.
What is a two - dimensional figure?A two - dimensional figure is a collection of two - dimensional points enclosed by a single dimensional entity. For example, triangle, circle, trapezium etc all represent a two - dimensional figure. The points inside these figures can be expressed as (x, y).Given is that a circle with a radius of 4.3.
We can write the area of the given circle as -
Area = πr²
Area = π x 4.3 x 4.3
Area = 18.49π square units
We can write the circumferance of the given circle as -
circumferance = 2πr
circumferance = 2 x π x 4.3
circumferance = 8.6π units
Therefore, we can write the area and circumferance of the given circle as 18.49π square units and 8.6π units.
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4x/3 -x=x/15-12/5 x =??????????
3.) Johannes sold an order of 3 Strawberry pies
for $12.50 each. She paid her assistant
$1.10 for each Strawberrye pie sold. How much
money did Johannesearn from the pies sold?
Answer:
$34.20
Step-by-step explanation:
Since each pie is $12.50 but the assistant gets $1.10 for each pie, Johannes will get $11.40 for each pie sold.
We know that there were 3 pies sold so you must solve the equation below
11.40*3
The answer is $34.20
35 lbs of bananas
cost $280. How
much would 42 lbs
cost?
Answer:
$336
Step-by-step explanation:
[tex]\frac{280}{35} \times 42 \\ \\ =\frac{56}{7} \times 42 \\ \\ =8 \times 42 \\ \\ =\$336[/tex]
Solve the equation in the image below correct to 2 decimal places. in Logarithm Terms
The solution to the given equation is 5.630.
What is a logarithmic equation?
An equation using the logarithm of an expression containing a variable is referred to as a logarithmic equation. Check to verify if you can write both sides of the equation as powers of the same number before attempting to solve an exponential equation.
Here, we have
2^(x+1) = 3^(2x-5)
Taking logarithms on both sides, we get
(x+1)log2 = (2x - 5)log3
xlog2 + log2 = 2xlog3 - 5log3
log2 + log3⁵ = 2xlog3 - xlog2
log 2* 243 = x(log6 - log2)
log486 = x(log6/2)
log486 = xlog3
x = log486/log3
x = 5.630
Hence, the solution to the given logarithmic equation is 5.630.
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a.
Lesson 2.16 Practice Problems
There are many cylinders with a volume of 1447 cubic inches. The height h(r) in
inches of one of these cylinders is a function of its radius r in inches where h(r) =
b.
What is the height of one of these cylinders if its radius is 2 inches?
What is the height of one of these cylinders if its radius is 3 inches?
What is the height of one of these cylinders if its radius is 6 inches?
144
1) The height of one of these cylinders if its radius is 2 inches is
115.207 inches.
2) The height of one of these cylinders if its radius is 3 inches is
51.203 inches.
3) The height of one of these cylinders if its radius is 6 inches is
12.800 inches.
VOLUME OF CYLINDER = πr²h = 1447 cubic inches1) when radius is 2 inches then:
πr²h = 1447
h = 1447/ (3.14 x 2²) = 115.207 inches
2)when radius is 3 inches then:
πr²h = 1447
h = 1447/ (3.14 x 9²) = 51.202 inches
3) when radius is 6 inches then:
πr²h = 1447
h = 1447/ (3.14 x {36}²) = 12.800 inches
1) The height of one of these cylinders if its radius is 2 inches is
115.207 inches.
2) The height of one of these cylinders if its radius is 3 inches is
51.203 inches.
3) The height of one of these cylinders if its radius is 6 inches is
12.800 inches.
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Mrs Ali baked some cookies.
She gave away 250 cookies and packed the remaining cookies into bags of 12.
Each bag of cookies was sold for $8.
She received $2016 from the sale of all bags of cookies.
How many cookies did she bake at first?
Answer: 3274 cookies
Step-by-step explanation:
She sold : 2016 ÷ 8 = 252 ( bags )
The remaining cookies : 12 × 252 = 3024 ( cookies )
She baked : 3024 + 250 = 3274 ( cookies )
Write as a single fraction in its lowest terms: 3(2x-1)/5 -2 (4x -2)/2
The single fraction in its lowest terms will be;
⇒ - 7(2x - 1)/2
What is mean by Fraction?
A fraction is a part of whole number, and a way to split up a number into equal parts.
Or, A number which is expressed as a quotient is called fraction.
It can be written as the form of p : q, which is equivalent to p / q.
Given that;
The fraction is,
⇒ 3 (2x - 1)/5 - 2 (4x - 2)/2
Now,
Solve the fraction as;
The fraction is,
⇒ 3 (2x - 1)/5 - 2 (4x - 2)/2
⇒ 3 (2x - 1)/5 - (4x - 2)
⇒ 3 (2x - 1)/5 - 2 (2x - 1)
⇒ (2x - 1) (3/5 - 2)
⇒ (2x - 1) (3 - 10)/2
⇒ (2x - 1) (- 7/2)
⇒ - 7(2x - 1)/2
Thus, The single fraction in its lowest terms will be;
⇒ - 7(2x - 1)/2
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