Answer:
216 yds^2
Step-by-step explanation:
12*16=192
3*8=24
192+24=216
Need the answer to number 4
Answer:
[tex]\sqrt{85}[/tex] /2
Step-by-step explanation:
lets find hypotenuse( longest side) first
let other two samller sides be a and b and hypotenuse be c
pythagorsd theorem
a^2 + b^2 =c^2
9^2 + 2^2 =c^2
81 + 4=c^2
85 =c^2
[tex]\sqrt{85}[/tex] =c
take theta as reference angle
cosec theta=hypotenuse/opposite
=[tex]\sqrt{85}[/tex] / 2
Answer:
Answer is B. CSC ∅ = √85 /2
Step-by-step explanation:
CSC = 1 / Sin ∅
So first find Sin ∅ = 2 / √ 85 and then substitute in the formula
And oh, in case you're wondering, √ 85 is the hypotenuse side which you find like this:
√ 9² + 2²
√ 81 + 4
√ 85
You deposit $2000 in a retirement account that earns 5% annual interest. You repeat this deposit yearly for 30 years. How much money do you have in your account after you make your final deposit?
Answer:
$3000
Step-by-step explanation:
$2000×5/×30
$1000×3=$3000
Five schools are going to send their baseball teams to a tournament, in which each team must play each other team exactly once. How many games are required
Answer:
20 games are required to be play
Which phrase matches the algebraic expression below?
2(x + 7) + 10
A)Two times the sum of x and seven plus ten
B)Two times the difference of x and seven plus ten
C)Two times x minus seven plus ten
D)Two times x plus the sum of seven and ten
Answer:
the answer is a.
Step-by-step explanation:
two times the sum of x and seven plus ten
2(x+7)+10
What is the perimeter of the trapezoid? In unit
Answer:
20 units
Step-by-step explanation:
the perimeter = 7+4+4+5 = 20 units
Solve
T = L(3+RS) for S
Answer:
Step-by-step explanation:
Begin by distributing the L into the parenthesis:
T = 3L + LRS and
T - 3L = LRS and finally,
[tex]\frac{T-3L}{LR}=S[/tex]
Help Help Help it's in khan academy
Answer:
Step 1 is wrong
Step-by-step explanation:
[tex] \frac{1}{4} r+ 2 = 10[/tex]
[tex] \frac{r}{4} + 2 = 10[/tex]
[tex] \frac{r}{4} = 10 - 2[/tex]
[tex] \frac{r}{4} = 8[/tex]
[tex]r = 8 \times 2[/tex]
[tex]r = 32[/tex]
Hope it is helpful...Need help ASAP!!!!!!
Answer:
I dont know for sure, but maybe try B
Step-by-step explanation:
find the missing angles
Answer:
b=109 degree
Step-by-step explanation:
26 + 45 + b=180 degree (being sum of interior angles of a triangle)
71 + b = 180
b=180-71
b=109 degree
Step-by-step explanation:
109°
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Which graph represents the function (x) = -1x - 21 - 1?
Answer:
Given in the graph
Step-by-step explanation:
A restaurent pays a water R18 per hour in one week he worked a shift from 12h00 to 23h00 Calculate the number of hours the water works per shift
Answer:
Number of hour work per shift = 11 hour per day
Amount paid for one shift = Rs 198
Step-by-step explanation:
Given:
Amount pay per hour = Rs 18
Shift time = 12 h to 23 h
Find;
Number of hour work per shift
Amount paid for one shift
Computation:
Number of hour work per shift = 23:00 - 12:00
Number of hour work per shift = 11 hour per day
Amount paid for one shift = Number of hour work per shift x Amount pay per hour
Amount paid for one shift = 11 x 18
Amount paid for one shift = Rs 198
Can someone help ASAP
Zahraa made 4 pitchers of lemonade. Each pitcher holds ⅓ gallon. How many gallons of lemonade did she make? WHATS THE ANSWER??
Answer:
12 gallons
Step-by-step explanation:
If each pitcher can hold only a third of one of her makings. Think about it. Just pour the glasses in your mind. She fills it up a little bit, and then keeps doing it until 12 are full. or how else to explain it or really explain it at all.
Use substitution to solve the following system of linear equations and fill in the following blanks:
x + y + z = -6
x - 6y - 7z = -29
-7y - 5z = 4
In the first step, select Equation 1 and find an expression for variable X in terms of other variables:
x = - y -z - 6
Then substitute X in Equation 2. The result is the following new equation:
___y+___ z = -23
In the last step, using back-substitution, the solution for this system is:
x=
y=
Z=
Answer:
[tex]x=-4[/tex]
[tex]y=3[/tex]
[tex]z=-5[/tex]
Step-by-step explanation:
Given:
[tex]x+y+z=-6[/tex]
[tex]x-6y-7z=-29[/tex]
[tex]-7y-5z=4[/tex]
Solve for [tex]x[/tex] in the 1st equation:
[tex]x+y+z=-6[/tex]
[tex]x+y=-z-6[/tex]
[tex]x=-y-z-6[/tex]
Substitute the value of [tex]x[/tex] into the 2nd equation and solve for [tex]z[/tex]:
[tex]x-6y-7z=-29[/tex]
[tex](-y-z-6)-6y-7=-29[/tex]
[tex]-7y-z-13=-29[/tex]
[tex]-7y-z=-16[/tex]
[tex]-z=-16+7y[/tex]
[tex]z=16-7y[/tex]
Substitute the value of [tex]z[/tex] into the 3rd equation and solve for [tex]y[/tex]:
[tex]-7y-5z=4[/tex]
[tex]-7y-5(16-7y)=4[/tex]
[tex]-7y-80+35y=4[/tex]
[tex]28y-80=4[/tex]
[tex]28y=84[/tex]
[tex]y=3[/tex]
Plug [tex]y=3[/tex] into the solved expression for [tex]z[/tex] and evaluate to solve for [tex]z[/tex]:
[tex]z=16-7(3)[/tex]
[tex]z=16-21[/tex]
[tex]z=-5[/tex]
Plug [tex]z=-5[/tex] into the solved expression for [tex]x[/tex] and evaluate to solve for [tex]x[/tex]:
[tex]x=-(3)-(-5)-6[/tex]
[tex]x=-3+5-6[/tex]
[tex]x=2-6[/tex]
[tex]x=-4[/tex]
Therefore:
[tex]x=-4[/tex]
[tex]y=3[/tex]
[tex]z=-5[/tex]
Check all equations that are equivalent.
Which equations are you referring to?
Please respond.
Find the a lateral surface area and total surface area of a right square pyramid given that it has a base edge of 16 cm and a lateral edge 17cm
Step-by-step explanation:
This is your answer
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8) Find the midpoint of the equation y = 4x + 6 between the x-intercepts and the y-intercepts.
9514 1404 393
Answer:
(-3/4, 3)
Step-by-step explanation:
I find it easier to determine the intercepts when the equation is in standard form:
4x -y = -6
The x-intercept is found where y=0:
4x = -6 ⇒ x = -6/4 = -3/2
The y-intercept is found where x=0:
-y = -6 ⇒ y = 6
Then the midpoint is ...
M = ((-3/2, 0) +(0, 6))/2 = (-3/4, 3)
Please help! Thank you!
Answer:
D: (2, -3)
Step-by-step explanation:
We have;
y = 3x - 9 - - - (1)
y = -2x + 1 - - - (2)
By substitution method, from eq 1, we see that: y = 3x - 9
Thus,let's put 3x - 9 for y in eq 2;
3x - 9 = -2x + 1
Rearranging to get;
3x + 2x = 9 + 1
5x = 10
x = 10/5
x = 2
Thus;
y = 3(2) - 9
y = 6 - 9
y = -3
Thus,the solution (x, y) = (2, - 3)
Help (PLATO)
its Algebra
Answer: The answer is D
Step-by-step explanation:
You add z to the other side then it will cancel out which then it would be (w+z) and then you times it by 2 by both sides which would be 2(w+z) and then you would subtract x from both sides which will be 2(w+z)-x
Hopefully this helps
A box is filled with several party favors. It contains 12 hats, 15 noisemakers, 10 finger traps, and 5 bags of confetti. Let H = the event of getting a hat. Let N = the event of getting a noisemaker. Let F = the event of getting a finger trap. Let C = the event of getting a bag of confetti. Find P(N).
Answer:
P(N) = 5/14
Step-by-step explanation:
Find P(N) by finding the probability of getting a noisemaker.
There are 42 items in total, and 15 are noisemakers. Find the probability by dividing 15 by 42:
15/42
Simplify:
5/14
So, P(N) = 5/14
If the ratio of paintings to paintbrushes is 11:9, what percent of the items are paintbrushes. A.30% B. 35% C.40% D.45%
Answer:
D. 45%
Step-by-step explanation:
there are 11 paintings and 9 paintbrushes, added together you have a total of 20 items. There are 9 paintbrushes and 20 items in total which is 9/20. 9/20 as a percentage is 45%
Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle) to the Cl atom.A) n=3, l=1, ml=1ms=+12B) n=3, l=0, ml=1, ms=−12C) n=3, l=2, ml=1, ms=+12D) n=2, l=1, ml=1, ms=−12E) n=3, l=1, ml=1, ms=−12
Answer:
n=3, l=1, ml=1ms=+1/2
Step-by-step explanation:
The electron configuration of chlorine atom is; [Ne] 3s² 3p⁵.
This means that the last electron is found in a 3pz orbital.
We can see that the principal quantum number is 3. The electron is in a p orbital so l=1, the electron must be found in a 3pz orbital hence ml=1. The electron is found alone in that orbital hence s= 1/2.
The graph makes it appear that there are how many times as many students per teacher at North HS as there are at
West HS?
Student Teacher Ratios at Area High Schools
North RS
East HS
13
West HS
12
14
18
22
a.
b.
10
2 times
3 times
4 times
5 times
C.
d.
Answer:
5 times
Step-by-step explanation:
Using visual inspection, the bar of North HS is 5 times longer Than the bar of West HS.
The gtids are of equal size, West HS occupies one portion of the grid, while North HS occupies 5 portions of the grid
5 portions / 1 portion = 5
Hence, North HS according to the graph is 5 times West HS
work out 8^1/3
^1/3 = power
Answer:
8/9 (decimal: 0.888889)
Answer:
[tex]2[/tex]
Two is the answer.
Step-by-step explanation:
simple explanation is; when you go through your two times table.. in order to arrive at eight, (8), you have to mention or go through 3 numbers
Or .... cube root of 8 is two..
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Answer: A
Step-by-step explanation:
In the figure below, which term best describes point R?
A. Orthocenter
B. Centroid
C. Incenter
D. Circumcenter
Orthocenter is the best term to describes point R in the triangle UVW.
What is orthocenter?" Orthocenter is defined as intersecting point of the altitudes of the sides of the acute angle triangle."
According to the given figure,
In triangle UVW,
Ray VR perpendicular to UW
Ray UR perpendicular to VW
Ray WR perpendicular to UV
Altitudes of side ( UV , VW, and WU) of triangle UVW intersect at
point R.
As per the definition of orthocenter , point R represents orthocenter.
Hence, orthocenter is the best term to describes point R in the triangle UVW.
Learn more about orthocenter here
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A cone has a volume of 60 cubic feet. If the radius is 2 feet,'what is the height of the cone?
10ft
15ft
45ft
90ft
Someone please helppp
Hermione thinks she has discovered a protection spell that will reduce the pain of the Cruciatus curse. She believes that a sample of people protected by her spell will rate their pain as less severe than the average person who does not have her protection spell. Her null hypothesis for this study would
Answer:
There will be no difference in pain ratings from people protected by her spell and people who aren't protected by her spell.
Step-by-step explanation:
The claim in this scenario is the alternative hypothesis, which is what we wish to test ; the alternative hypothesis is thus ; people who are protected by spell will rate their pain as a result of cruciatus curse as less severe than the average person who does not use her protection spell ;
As we know, the null hypothesis is the opposite of the alternative hypothesis and the initial truth, which is ;
The average pain felt by both the user of the pain protections spell and those who do not feel the same amount of pain.
What is the solution to -2(8x - 4) < 2x + 5?
Answer:
See image below:)
Step-by-step explanation:
Alex was trying to determine how much money he owed the bank. Since his checking account has a balance of -155 dollars, he thinks that he can find the absolute value of -155 to determine that he owes the bank 155 dollars. Is Alex correct?
Answer:
Alex is correct.
Step-by-step explanation:
In order for Alex to get to $0, meaning he owes the bank nothing, he has to add 155 dollars to negative 155 dollars, because this means he has no debt left. The absolute value of -155 is 155 and if Alex pays the 155 dollars, he will not have to pay anything else to the bank.