Answer: 40%
Step-by-step explanation:
Number of guests that yesterday called for room service = 170
Number of guests that did not call for room service = 255
Total number of guests = 170 + 255 = 425.
The percentage that call for room service = Those that call for room service / Total guest × 100
= 170/425 × 100
= 0.4 × 100
= 40%
F(x)=3x-2 find f^-1(x) than find f^-1(13)
Answer:
see explanation
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 3x - 2 ( add 2 to both sides )
y + 2 = 3x ( divide both sides by 3 )
[tex]\frac{y+2}{3}[/tex] = x
change y back into terms of x with x = [tex]f^{-1}[/tex] (x)
[tex]f^{-1}[/tex] (x) = [tex]\frac{x+2}{3}[/tex]
To evaluate [tex]f^{-1}[/tex] (13) substitute x = 13 into [tex]f^{-1}[/tex] (x) , that is
[tex]f^{-1}[/tex] (13) = [tex]\frac{13+2}{3}[/tex] = [tex]\frac{15}{3}[/tex] = 5
The Hendrix family was draining their pool at the end of
summer. They found that the water level goes down by 0.4
feet every hour. If the water level in the pool has changed by
-1.4 feet, how long have they been draining the pool?
Answer:
3.5 hours
Step-by-step explanation:
If the water goes down by 0.4 feet every hour
we can add 0.4 + 0.4 + 0.4 (0.4 x 3) and get 1.2 and 1.4 - 1.2 - 0.2
And we also know that half of 0.4 is 02 so we can add 0.2 to 1.2 in order to get our desired answer. Which is 1.4 So now let's add what we multipleied by
3 + 1/2 = 3.5
Solve for x. Assume that lines which appear to be tangent are tangent.
3x + 3
4x - 3
Select the correct answer.
Tom goes to London for a week. His entire trip costs him £2,000. how many dollars did he spend on this trip if £1 = $1.41?
Answer:
$2,820
Step-by-step explanation:
Since, £1 = $1.41
Therefore, £2,000 = 2000*1.41 = $2,820
which is greater 1.831 or 1.381?
Answer:
1.831
OI JOSUKE
Step-by-step explanation:
Adam purchased some items at the school store. He bought 3 pencils for $0.15 each and 5 single-subject notebook
If these items cost a total of $6.45, what was the cost of each notebook?
O A. $1.20
B. $1.26
O c. $1.29
OD. $1.38
Answer:
The answer is A
Step-by-step explanation:
Fist multiply 3 and .15 to get .45 for 3 pencils. Then subtract .45 from 6.45 and get 6. Then divided 6 by 5 to get 1.2 for each book
i think the answer is a: $1.20
my work:
3 x 0.15 = 0.45.
6.45 - 0.45 = 6.00
6.00 / 5 = 1.20
and i checked my work by doing 1.20 x 5 + 0.40 = $6.45.
help................. I'll give brainliest and heart
★ Given question:-
Solve for r: r/17= -8★ Let's solve
[tex]↦ \frac{r}{17} = - 8 \\ ↦r = - 8 \times 17\\ ↦by \: multiplying \: \\ ↦r = - 136[/tex]
[tex] \underline{ \boxed{ \sf{✰\:r=\: -136✓ }}}[/tex]
15 ounces of canned corn for 2.55$
Answer:
0.17 over 1
Step-by-step explanation:
So, first we have to find a comman factor. between 255, and 15 the GCF is 15, so 255 ÷ 15 = 17 So that is:
255 ÷ 15 = 17
__________ = 17/1 or 17 15 ÷ 15 = 1Now we move the decimal into place so its $0.17 becaue 0.17 x 15 = 2.55
CONSIDER GIVING THIS ANSWER BRAINLIESTx+5/4=-3
the x+5 is the numerator and 4 the donomater
Before I answer:
Thanks for making it more clear
Answer:
x = -17
Step-by-step explanation:
-17 + 5 = -12
-12 ÷ 4 = -3
If I owe you $1.76 in overtime pay, you receive $19.50 for each hour of OT. How many hours overtime are you owed?
Answer: 0.09 hours
Step-by-step explanation:
You are owed $1.76 in overtime pay.
The hourly rate for overtime is $19.50 per hour.
To find the number of hours owed, you need to divide the amount owed by the amount owed per hour.
The number of hours you are owed is therefore:
= Amount owed / Amount owed per hour
= 1.76 / 19.50
= 0.09 hours
5 positive integers are arranged in ascending order, as follows:
7, 8, 11, 11, X
The median and the range are equal.
Find 2.
Answer:
X = 18.
Step-by-step explanation:
The median = 11 so the mean is also 11 (given).
So mean = 11 = (7 + 8 + 11 + 11 + X) / 5
(37 + x)/ 5 = 11
x + 37 = 55
x = 55 - 37 = 18.
WILL MARK BRAINLIEST IF EXPLAINED! G with FA and FE tangent at A and E.
Find mADB Find mABD Find mAFE Find mACE
PLEASE EXPLAIN HOW YOU GOT YOUR ANSWER! :)
Answer:
angle ADB = 41 degrees
angle ABD = 90 degrees
angle AFE = 70 degrees
angle ACE = 31 degrees
Step-by-step explanation:
angle ADB = 41 degrees because minor arc AB = 82 degrees and it's inscribed angle is 1/2 of it's arc.
angle ABD = 90 degrees because arc AED = 180 degrees and inscribed angles are equal to 1/2 of the arc.
arc ABD = 180
arc ABE = arc ABD + 70 degrees = 250 degrees
minor arc AE = 360 degrees-250 degrees = 110 degrees
angle AFE = 1/2 (250-110) = 70 degrees
angle ACE = 1/2(110-48) = 31 degrees
What is the solution the the problem below
Answer:
6.6666667
...............
NEED HELP ON THIS PLEASEEEEEEEEEEE
Answer: i am a 7th grade child and i dont know an idea of how to solve this..... just kidding but its b :) hopefully this will help u
Step-by-step explanation:
Add (9r + 6) + - (-3r + 10) pls show steps
Answer: =12r−4
Step-by-step explanation: hope this help
14y-14->14 what is the solution to the inequality
Answer:
if you see this say hi pls
Step-by-step explanation:
Answer:
y > 2
Step-by-step explanation:
Given
14y - 14 > 14 ( add 14 to both sides )
14y > 28 ( divide both sides by 14 )
y > 2
Which equation represents a linear function?
y= 4x (8 - x)
y= 22 + 13
y= -2
y= 7 – 3x
For #1 - 4, classify each polygon by its number of sides then label it as convex or concave.
1. Classify: a) pentagon b) hexagon
c) heptagon d) octagon e) decagon
2. a) convex
OR b) concave?
e...
3. Classify: a) pentagon b) hexagon
c) quadrilateralma) octagon e) decagon
4. a) convex OR b) concave?
S...
ur...
d...
5. Classify: a) pentagon b) hexagon
c) heptagon d) octagon e) decagon
6
a convex
OR b) concave?
-bo...
7. Classify: a) heptagon b) nonagon
c) decagon d) dodecagon e) pentagon
S
Answer:
1. b) hexagon
2. b) concave
3. c) quadrilateral
4. a) convex
5. e) decagon
6. b) concave
7. d) dodecagon
8. b) concave
Multiple Choice. Solve the inequality x - 35 > 15
Answer:
x>50
Step-by-step explanation:
x-35>15
+35 +35 (Add 35 to both sides)
x>50
Answer:
x > 50
Step-by-step explanation:
You need to get rid of the 35 to isolate x by adding it to both sides. Once x is on its own, the solution will be x > 50.
Solve 7 ÷ one half = ___.
Answer: 14
Step-by-step explanation: Good luck! :D
What type of triangle is formed with sides of length 11, 13, and 15?
Right triangle
Equilateral triangle
Scalene triangle
Isosceles triangle
Answer:
Scalene Traingle
Step-by-step explanation:
All the sides given are not equal so it is a scalene triangle
PLZ HELP!!!
A Circle has a radius of 6x9y5 Cm.
HELPPPPPPPPPPPP
The function g(t) = -16t2 + vt + h represents the height of an object, g, in feet above the ground in relation to the time, t, in seconds, since the object was thrown into the air with an initial velocity of v feet per second at an initial height of h feet.
A model rocket is launched off the ground at an initial velocity of 80 feet per second.
What domain makes sense for the function in this context?
A. all positive numbers
B. 0 ≤ t ≤ 5
C. all real numbers
D. 0 ≤ t ≤ 100
Answer:
B. 0 ≤ t ≤ 5Step-by-step explanation:
The function is g(t) = -16t² + vt + h
At h = 0 and v = 80 we get the function:
g(t) = -16t² + 80tWe know g(t) can't be negative, then:
-16t² + 80t ≥0t² - 5t ≤ 0t(t - 5) ≤ 5t ≥0 and t ≤ 5, or0 ≤ t ≤ 5Correct option is B
There are 15 trees in a backyard. If 20% of the trees are oak, how many oak trees are there ?
Answer:
3
Step-by-step explanation:
Take 20 % of the 15 trees in the backyard
.20 * 15
3
There are 3 oak trees in the backyard
Answer:
3
Step-by-step explanation:
divide 15 by 20% or you could just search it on googs ♀️
How does the percent equation relate proportional quantities?
Answer: Use cross product to determine if the two ratios form a proportion. Here we can see that 2/16 and 5/40 are proportions since their cross products are equal. Percent means hundredths or per hundred and is written with the symbol, %. Percent is a ratio were we compare numbers to 100 which means that 1% is 1/100.
Geometry question on quizziz need help. Plz and thanks
What does the intersection of the two
functions mean?
♡Answer:♡
it means when the planes cross each other it is perpendicular to each other i think.
♡Step-by-step explanation:♡
♡ ∩_∩
(„• ֊ •„)♡
┏━∪∪━━━━┓
♡ good luck 。 ♡
┗━━━━━━━┛
Can someone please help me with this .. ASAP
Answer:[tex]\frac{-5}{4}, \frac{3}{4}[/tex]
Step-by-step explanation:
Given
[tex]\theta[/tex] is in the third quadrant and
[tex]\Rightarrow \cos \theta=\frac{-3}{5}[/tex]
tan and cot is positive in the third quadrant and the rest are negative
using identity
[tex]\sin^2 \theta+\cos^2 \theta=1\\\Rightarrow \sin \theta=-\sqrt{1-\cos^2 \theta}\\\Rightarrow \sin \theta =-\sqrt{1-(-\frac{3}{5}^2)}\\\Rightarrow \sin \theta =-\frac{4}{5}\\\Rightarrow\text{cosec} \theta=-\frac{5}{4}\\\Rightarrow \cot \theta=\frac{\cos \theta}{\sin \theta}=\frac{\frac{-3}{5}}{\frac{-4}{5}}=\frac{3}{4}[/tex]
Guys Please I need help ASAP! Fast giving brainliest! Please don’t put anything if you don’t know!
Answer:
2.a. k = 19 2.b. h = -5
Step-by-step explanation:
I know that this is simple algebra but I am asking for your help step by please will mark brainliest for who gets this right.
Answer: Y= -9 + 3x/2
Step-by-step explanation: Down below Have a brilliant day-Lily ^_^