Answer: 4/5
Step-by-step explanation:
80%=
100% * 80/100 =
1 * 80/100=
80/100=
8/10=4/5
What is the solution set for this inequality?
Answer:
x<7 i believe
Step-by-step explanation:
How to solve this ? I am not sure pls if you know the answer answer it I really neeed it for marks
Answer:
L.S = R.S ⇒ Proved down
Step-by-step explanation:
Let us revise some rules in trigonometry
sin²α + cos²α = 1sin2α = 2 sin α cosαcscα = 1/sinαTo solve the question let us find the simplest form of the right side and the left side, then show that they are equal
∵ L.S = csc2α + 1
→ By using the 3rd rule above
∴ L.S = [tex]\frac{1}{sin2\alpha}[/tex] + 1
→ Change 1 to [tex]\frac{sin2\alpha}{sin2\alpha}[/tex]
∴ L.S = [tex]\frac{1}{sin2\alpha}[/tex] + [tex]\frac{sin2\alpha}{sin2\alpha}[/tex]
→ The denominators are equal, then add the numerators
∴ L.S = [tex]\frac{1+sin2\alpha}{sin2\alpha}[/tex]
∵ R. S = [tex]\frac{(sin\alpha+cos\alpha)^{2} }{sin2\alpha}[/tex]
∵ (sinα + cosα)² = sin²α + 2 sinα cosα + cos²α
∴ (sinα + cosα)² = sin²α + cos²α + 2 sinα cosα
→ By using the 1st rule above, equate sin²α + cos²α by 1
∴ (sinα + cosα)² = 1 + 2 sinα cosα
→ By using the 2nd rule above, equate 2 sinα cosα by sin2α
∴ (sinα + cosα)² = 1 + sin2α
→ Substitute it in the R.S above
∴ R. S = [tex]\frac{1+sin2\alpha}{sin2\alpha}[/tex]
∵ L.S = R.S
∴ csc 2α + 1 = [tex]\frac{(sin\alpha+cos\alpha)^{2} }{sin2\alpha}[/tex]
A function, f(x), models the depth of water in a wading pool that is filling at arate of 11 gallons per minute. Which of these describes why f(x)can be considered a linear function?
I. For every 1 minute interval, the depth of water in the wading pool
increases by the same amount.
II. The function grows by equal factors every minute.
III. The slope of the function is constant.
I only
I and III only
II and III only
I, II, and III
Answer:
|,||, and |||
Step-by-step explanation:
Please help somebody this is really hard.
7.5 mph
3/4=.75 miles per 1/10 hour
.75x10=7.5
Polygons EFGH and E'F'G'H' are shown on the following coordinate grid:A coordinate grid is shown from positive 6 to negative 6 on the x-axis and from positive 6 to negative 6 on the y-axis. A polygon EFGH is shown with vertex E on ordered pair 2, 2, vertex F on ordered pair 2, 4, vertex G on ordered pair 3, 1 and vertex H on ordered pair 3, 5. A polygon E prime F prime G prime H prime is shown with vertex E prime on ordered pair negative 1, 2, vertex F prime on ordered pair negative 3, 2, vertex G prime on ordered 0, 3, and vertex H prime on ordered pair negative 4, 3.
What set of transformations is performed on EFGH to form E'F'G'H'?
A translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin
A translation 1 unit to the right followed by a 270-degree counterclockwise rotation about the origin
A 270-degree counterclockwise rotation about the origin followed by a translation 1 unit to the right
A 90-degree counterclockwise rotation about the origin followed by a translation 1 unit to the right
Answer:
90 degrees counterclockwise rotation about the origin followed by a translation 1 unit to the right
Step-by-step explanation:
Membership to a music club costs $70. Members pay $5 per music lesson and nonmembers pay $10 per
music lesson. How many music lessons would have to be taken for the cost to be the same for members and
nonmembers?
Answer:
a member would have to take 14 lessons versus a non-member which would only have to take 7
[tex]4x-38=53[/tex]
Solve for 'x'.
Answer:
x = 22.75
Step-by-step explanation:
Step 1: 4x - 38 = 53 <----- Here is the original problem.
Step 2: 4x - 38 + 38 = 53 + 38 <----- Add 38 to both sides.
Step 3: 4x = 91 <----- Simplify
Step 4: [tex]\frac{4x}{4} =[/tex] [tex]\frac{91}{4}[/tex] <----- Subtract both sides by 4.
x = 22.75
Hope this helps! :D
Watch help video
Hailey and her children went into a grocery store and she bought $10 worth of apples
and bananas. Each apple costs $1.25 and each banana costs $0,50. She bought a total
of 14 apples and bananas altogether. By following the steps below, determine the
number of apples, 2, and the number of bananas, y, that Hailey bought
Determine three ways to Have a total of 14 apples and bananas:
Cost of apples: $0.00
Cost of bananas: 50.00
Answer:
a = 4
b = 10
Step-by-step explanation:
Price of an apple $1.25
Price of a banana $0.5 0
The two equations:
10 = 1.25a + 0.5b
a + b = 14
solve for one variable
b = 14 - a
10 = 1.25a + 0.5(14-a)
10 = 1.25a+ 7 - 0.5a
10 = 0.75a + 7
0.75a = 3
a = 4
Then solve for the second
b = 14 - 4
b = 10
A company charges $7 for a T-shirt and ships any order for $15. A school principal ordered a number of T-shirts for the school store. The total cost of the order was $1,520. Which equation can be used to find the number of shirts ordered?
Harper knows he is 100 yards from school. The map on his phone shows that the school is 1/3 inch from his current location. If Harper’s current location is 3 inches from home on the same map, how far is Harper from home?
Answer:
4 7/17 yards or 4.412 yards approximately if the map shows the distance as 3 inches.
Step-by-step explanation:
I will give brainliest and five stars for the correct answer please help
Two submarines began dives in the same vertical position to meet at a designated point. If one submarine was on a course approximated by the equation x + 4y = -14 and the other was on a course approximated by the equation x + 3y = -8, at what location would they meet?
Write the coordinates of the point.
Answer: (10,-6)
Step-by-step explanation:solve by substitution
Titus works at a hotel. Part of his job is to keep the complimentary pitcher of water at least half full and always with ice. When he starts his shift, the water level shows 8 gallons, or 128 cups of water. As the shift progresses, he records the level of the water every 10 minutes. After 2 hours, he uses a regression calculator to compute an equation for the decrease in water. His equation is W –0.414t + 129.549, where t is the number of minutes and W is the level of water. According to the equation, after about how many minutes would the water level be less than or equal to 64 cups?
150 minutes
160 minutes
170 minutes
180 minutes
Answer: b. 160
Step-by-step explanation: just took the test
There are 160 minutes would the water level be less than or equal to 64 cups.
What is Inequality?A relation by which we can compare two or more mathematical expression is called an inequality.
Here, The equation we're given is,
W = -0.414t + 129.549,
which an be written as,
-0.414t + 129.549 = W.
Now, We are asked to find the amount of time it would take for the water level to be less than or equal to 64 cups.
Plugging this information in, we have:
-0.414t + 129.549 ≤ 64
To solve this, we first cancel 129.549 by subtracting from both sides:
-0.414t + 129.549 - 129.549 ≤ 64 - 129.549
-0.414t ≤ -65.549
Now divide both sides by -0.414:
-0.414t/-0.414 ≤ -65.549/-0.414
t ≥ 158.33
(When we multiply or divide both sides of an inequality by a negative number, we must flip the inequality symbol.)
t ≥ 160 minutes
Thus, There are 160 minutes would the water level be less than or equal to 64 cups.
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A cable television provider charges $75 for installation and $39.96 per month for a basic entertainment package. a satellite television provider offers free installation and charges $13.32 per month for service for each television. your neighbor subscribes to the cable provider the same month you subscribe to the satellite provider. after how many months is your neighbor's total cost the same as your total cost when you own three televisions?
The total cost will never be same for me and my neighbor.
Let us assume the number of months when cost will be equal for both me and my neighbors be x.
So, my cost of cable = Cost per month per television × number of televisions × number of months
My cost of cable = 13.32 × 3 × x
My cost of cable = 39.96x
Cost of cable for my neighbor = One time installation cost + Cost per month × number of months
(Assuming neighbor has 1 television as the number is not specified)
Cost of cable for my neighbor = 75 + 39.96 × x
Cost of cable for my neighbor = 75 + 39.96x
We need to equal the cost for both, so relating the equation -
39.96x = 75 + 39.96x
It is clear that equation can not be solved for the value of x. Hence, it can be concluded that cost of cable for me and my neighbor will never be equal. Also, my cost of cable will always be less.
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A cup is tossed 100 times. It lands on its side 73 times, upside down 14 times, and right side up 13 times. According to the data, what is the probability that the cup will not land on its side?
complete the missing value in the solution to the equation.
x+3y=-8
( ? , -5 )
Answer:
x = 7
Step-by-step explanation:
3*-5 = -15
x - 15 = -8
-8+15 = 7
x = 7
What is the coordinate for the orthocenter of the triangle LMN?
Answer:
Step-by-step explanation:
Given f(x) = -x +6, Evaluate f(x) for X= -1 and 3 and 5
Range:
Answer:
f(x) for x = -1 is -1+6= 5
f(x) for x = 3 is -3+6= 3
f(x) for x = 5 is -5+6= 1
Substitute and solve x=6(x+2)^2
Answer:
About 28... I think.
Step-by-step explanation:
How many 1/2 s are in 4 ?
Answer:
8
Step-by-step explanation:
To find this multiply 4/1 by 2/1.
4/1 x 2/1 = 8/1 = 8.
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
Answer:
8
Step-by-step explanation:
simply 1/2+1/2+1/2+1/2+1/2+1/2+1/2+1/2
|2x-4|+6=8
solve for x
Answer (there are two solutions):
x = 3x = 1I hope this helps!
Calculate the area of this triangle
Answer:
99cm^2
Step-by-step explanation:
The formula for area of a triangle is 1/2bh=a with b being the base and h being the height. Base and height here are 18cm and 11cm so multiplying them gets 198, multiply by 1/2 and get 99cm^2.
whats the answer giving brainliest :)>.
Answer:
B is the correct answer :))
because she's doing the math so that there are 40 plants in each row. So, she's trying to figure out how many rows she will need. When she does the math for 40 plants in each row, she ends up with 193 rows, and 25 corn plants left over
Step-by-step explanation:
Pls help will give brainlyist
Answer:
B. symmetric property
Solve y-3=13 for y solve it
Answer:
y = 16
Step-by-step explanation:
In order to solve for y, we have to get y by itself.
Add 3 to both sides
y-3 +3 =13 +3
y = 16
Have a lovely rest of your day! :)
if you won the record u.s powerball lottery in january 2016 and got $1,586,400,000 how many moles of dollars is that
Moles of dollars is 3672,222,222,222.222222
Conversion is the process of changing the value of one form to another for example inches to millimeters, or liters to gallons. Units are used for measuring length, measuring weight, measuring capacity, measuring temperature, and measuring speed.
We have been given that
In January 2016 got $1,586,400,000
We know that 1 Molecule = 0.000432 US Dollar (USD)
than finding for 1 dollar = 1/ 0.000432
Solving this and applying formula of conversion we get
$1,586,400,000 = (1* 1,586,400,000)/0.000432 Moles
So conclusion is that moles of dollars is 3672,222,222,222.222..
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How do I find the answer to this.
What is the answer??
Answer:
letter C is the right answer
2(3w-7)=34 solve for w
Answer:
w = 8
Step-by-step explanation:
2(3w - 7) = 34 ( divide both sides by 2 )
3w - 7 = 17 ( add 7 to both sides )
3w = 24 ( divide both sides by 3 )
w = 8
please help ..........
Answer:
i think it would be c (the third one)
Step-by-step explanation:
because for every meal he has to subtract 2.25 from 35
Answer:
The answer would be x=35-2.25y
Step-by-step explanation:
MATH HLP PLS!!!!! The SAME QUESTION FROM YESTERDAY BUY REPOST IT FOR BETTER CLARIFICATION!! SELECT ALL THAT APPLY!!!!!!!!!!
Answer:
The answers are
1
2
5
Step-by-step explanation:
please correct me politely if im wrong :)
Answer:
The answers are A, B, and F.