The [OH] of vinegar to the nearest hundredth is 2.82 * 10^-5
How to calculate the [OH] of a substance:The sum of the pH and pOH of a substance is 14. Mathematically
[OH−] = Antilog (pOH)
Given the following parameters
[OH−] = Antilog (9.45)
Substitute
[OH−] = 2.82 * 10^-5
Hence the [OH] of vinegar to the nearest hundredth is 2.82 * 10^-5
Learn more on pH and pOH here:https://brainly.com/question/13557815
Answer:
The person above me is incorrect
1st blank is 3.55
2nd blank is -10
Step-by-step explanation:
Look at the image (bottom left corner)
The measure of Vis 94°. What is the measure of _XYZ, the tangent-chord angle? O A. 440 X O B. 47° C. 1889 2 Z O D. 940
Answer:
B
Step-by-step explanation:
the tangent- chord angle XYZ is half the measure of its intercepted arc XY
∠ XYZ = [tex]\frac{1}{2}[/tex] × 94° = 47°
Answer:
I think that the correct answer would be B. 47 degrees
Step-by-step explanation:
hope this helps
pls mark brainliest
Mr. Ortega bought his home for $242,800. It is
predicted to appreciate in value by 4.5% each
year. Which is the best prediction for the value
of Mr. Ortega's home in 15 years?
A. $406,690
B. $469,887
C. $1,092,600
D. $1,638,900
Answer:
$469887
Step-by-step explanation:
you should use compound interest formula which is
A=P(1+r/100) ^t
A = 242800 ( 1 + 0.045 ) ^ 15
when you punch this into a calculator you will get 469886.5771.....
when you round it off to a whole number the answer is $469887
KLMN is a square and NM = 8. Solve for the blanks below:
N
M
K
L
TZOKL=
mZMOL =
Perimeter of KLMN =
Answer:
see explanation
Step-by-step explanation:
the angles in a square are right .
the diagonals bisect the angles , then
∠ OKL = 45°
The diagonals are perpendicular to each other , then
∠ MOL = 90°
All sides are congruent , so
perimeter = 4 × NM = 4 × 8 = 32
Answer:
Perimeter: 32
measure of angle OKL: 45
measure of angle MOL: 90
Step-by-step explanation:
Things to remember:
- the side of the square are all equal
- vertical angles are congruent
+ ex. MON and KOL; MOL and NOK
- the entirety of the four angles in the center of the square equal 360 degrees
+ ex. MON + MOL + LOK + KON = 360 degrees
- corners of a square equal 90 degrees and since lines MK and LN cut the square in half we can assume that angles like OKL are also cut in half, making them 45 degrees
+ ex. angle NKL (90) = OKL (45) + OKN (45)
- The four triangles in the square are isosceles
If we have the angles of OML and MLO we can find MOL since the angles of a triangle equal 180
OML (45) + MLO (45) + MOL (x) = 180
90 + x = 180
x = 90
WILL GIVE BRAINLIEST
What is a basic definition of wind?
Question 4 options:
Air that is moving below 60 mph.
Air that is moving above 15 mph.
Air that s moving primarily in a vertical direction.
Air that is moving primarily in a horizontal direction.
Answer:
Air that is moving primarily in a horizontal direction.
Answer:
Wind is the movement of air horizontally.
7 < 3 - 2x I need help with getting the answer
Answer:
x < - 2
Step-by-step explanation:
7 < 3 - 2x ( add 2x to both sides )
2x + 7 < 3 ( subtract 7 from both sides )
2x < - 4 ( divide both sides by 2 )
x < - 2
An airplane flies at 400 mph with a direction of 120° relative to the air. The plane experiences a wind that blows 40 mph with a direction of 50°.
Part A: Write each of the vectors in linear form. Show all necessary calculations. (6 points)
Part B: Find the sum of the vectors. Show all necessary calculations. (2 points)
Part C: Find the true speed and direction of the airplane. Round the speed to the thousandths place and the direction to the nearest degree. Show all necessary calculations.
Answer:
caveat: your grader may expect <E, N> coordinates, reversed from these
A. <N, E> = <-200, 346.410> (plane) and <25.712, 30.642> (wind)
B. resultant <N, E> = <-174.288, 377.052>
C. resultant = 415.385∠115°
Step-by-step explanation:
The necessary calculations for vector arithmetic are handily carried out by a suitable calculator. The attached shows a TI-84 work-alike, but there are many other possible choices.
The necessary calculations for doing this "by hand" (without a calculator that does vectors or complex numbers) are ...
a∠b = a·cis(b) = (a·cos(b) +i·a·sin(b))
a +i·b = √(a²+b²)∠arctan(b/a) . . . . . with attention to signs and quadrant
__
Ordinarily, bearings are measured clockwise from North, and angles in the x-y or complex plane are measured counterclockwise from +x (East). If you use bearing angles without any translation, the resulting (complex plane) coordinates from rectangular/polar conversion are ...
(North + i·East)
Coordinates in this system can be added and subtracted in the usual way. When the result is converted back to a distance and direction, that direction can be considered to be a bearing angle. In short, we can use bearing angles in our math with no special treatment, provided we are consistent in that usage.
__
A.The airplane speed vector in <north, east> coordinates is ...
400∠120° = 400cos(120°) +i·400·sin(120°) = <-200, 346.410>
Similarly, the wind speed vector is ...
40∠50° = 40cos(50°) +i·40sin(50°) = <25.712, 30.642>
__
B.The sum of the vectors is found from the sum of their components:
plane + wind = <-200 +25.712, 346.410 +30.642> = <-174.288, 377.052>
__
C.Converting this vector in linear form back to a magnitude and direction gives ...
magnitude = √((-174.288)² +377.052²) = √172544.644542
magnitude ≈ 415.385 . . . mph
direction = arctan(-377.052/174.288) . . . . . 90° < θ < 180°
direction ≈ 115°
_____
Additional comment
As we discussed above, the vector coordinates used here are <N, E> coordinates. If you translate the bearing angles to Cartesian plane angles (measured CCW from +x), the corresponding coordinates will be <E, N> coordinates. That is, rectangular coordinates will be reversed from those shown here. If you're filling in an answer box, you may want to be aware of that fact.
Find the value of x.
See picture for full problem. Please and thank you so very much!!
Answer:
x=12
Step-by-step explanation:
The photo might help.
If anything is not understandable I'm here to help :)
what is another formula for finding the rate of discount?
Answer:
Subtract the final price from the original price. Divide this number by the original price. Finally, multiply the result by 100.
Step-by-step explanation:
In circle L, AD is 10 units long. Which of the following lengths are even numbers? Select all that apply.
(SEE ATTACHED PHOTO)
The chords in the circle L are illustrations of intersecting chords
The lengths that are even numbers are FJ and GJ
How to determine the even lengths?The length AD is given as:
AD = 10
From the circle, we have:
AD = AH + HK + KD
Where:
AH = 3 and KD = 2
So, we have:
10 = 3 + HK + 2
Solve for HK
HK = 5 ---- odd length
Next, we calculate length FH using the following intersecting chord theorem
FH * HB = AH * HD
This gives
(FJ + 3) * 3 = 3 * (2 + 5)
Divide by 3
FJ + 3 = 7
Subtract both sides by 3
FJ = 4 --- even length
Next, we calculate length KE using the following intersecting chord theorem
KE * KC = KD * KA
This gives
KE * 3.2 = 2 * (5 + 3)
Evaluate the product
KE * 3.2 = 16
Divide by 3.2
KE = 5 --- odd length
Next, we calculate length GJ using the following intersecting chord theorem
GJ * JE = FJ * JB
This gives
GJ * 4.5 = 4 * (6 + 3)
Evaluate the product
GJ * 4.5 = 36
Divide by 4.5
GJ = 8 --- even length
Hence, the lengths that are even numbers are FJ and GJ
Read more about intersecting chords at:
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somebody help me this is hard for me
Answer:
[tex]\huge\boxed{\bf\: \frac{1}{3}\rightarrow probability}[/tex]
Step-by-step explanation:
Given,
Total number of marbles = 6Number of blue marbles = 2Number of yellow marbles = 1Number of red marbles = 3We are asked to find the probability of choosing a blue marble if they are randomly chosen. Then,
Probabilty of a blue marble
= Number of blue marbles / Total number of marbles
= 2/6
= 1/3
[tex]\rule{150pt}{2pt}[/tex]
Round decimal numbers to the nearest tenth, hundredth, or whole number,
What comes next:
a) 0.35, 0.36, 0.37, …
b) 1.277, 1.278, 1.279, …
c) 6.96, 6.97, 6.98, …
Answer:
C
Step-by-step explanation:
because the nearest is to ones tenth hundred thousand
which one is different? write "both" inequalities.
a) w is greater than or equal to -7
b) w is no less than -7
c) w is no more than -7
d) w is at least -7
Answer:
These are the inequalities
A: [tex]W\geq -7[/tex]
B: [tex]W > -7[/tex]
C: [tex]W < -7[/tex]
D: [tex]W\leq -7[/tex]
I assume the "different" one is referring to the wording of the expression. B, C, and D are all similarly worded so I believe A is the "different" one.
Find the slope of the line that passes through the points (-1, 2),
(0, 5). Show work
To find the slope:
⇒ must know the slope's formula
⇒ [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
⇒ [tex](x_{1} ,y_{1} )[/tex] and [tex](x_{2} ,y_{2} )[/tex] are any points on the line
⇒ we use (-1,2) and (0,5) since they are the only points that we
know that are on the line
[tex](x_{1} ,y_{1} )[/tex]: (-1,2)[tex](x_{2} ,y_{2}[/tex]): (0,5)Let's solve:
[tex]Slope = \frac{5-2}{0--1} =\frac{3}{1}[/tex]
Slope is 3
Hope that helps!
Find the number that makes the ratio equivalent to 9:4.
72:
Help me. The questions are attached
Step-by-step explanation:
16.
x = Xien's age
2 + x/2 = 11
x/2 = 9
x = 18
so, Xien is 18 years old.
17.
4x - 5 = 7
first dividing everything by 4 is not a mistake. I would have done it as second step simply to avoid dealing with the fractions. but it works either way.
so, his way :
4x/4 - 5/4 = 7/4
4x/4 = 12/4
x = 3
my way
4x - 5 = 7
4x = 12
x = 3
The second angle of a triangle is 52 more than the first angle. The third angle is two times the first. Find the three angles.
Answer:
The third angle is 104
Step-by-step explanation:
their for first angle is x and second angle of a triangle is 52 more than the first angle x×52 and again The third angle is two times the first and x=52×2×= 104
Please help, will give brainliest
Answer:
question5=B that is the answer
When it is 8:00 a.m. in damascus, it is 4:00 p.m. in vladivostok. if your plane departs from vladivostok at 10:45 a.m. local time and lands in damascus at 12:30 p.m. local time, how long was the flight? a. 1 hour, 45 minutes b. 5 hours, 45 minutes c. 9 hours, 45 minutes d. 13 hours, 45 minutes
The length of the considered flight in terms of time is given by: Option C. 9 hours, 45 minutes
What is local time?Local time refers to the time of a particular region. The term local refers that whoever is noticing the time and calling it local time means that the person is telling about the time of the place where they're currently staying.
For this case, we're provided that:
When its 8:00 a.m. Damascus it its 4:00 pm in Vladivostok, so the time in Vladivostok is 8 hours ahead of Damascus (or 16 hours behind).
Assuming its 8 hours ahead, as the plane departs from 10:45 am from Vladivostok, and lands in Damascus at 12:30 pm, so 12:30 pm + 8 hours gives 8:30 pm in Vladivostok.
So, the plane departed at 10:45 am of Vladivostok and lands at 8:30 pm in Vladivostok, so it took 9 hours and 45 minutes for his flight to go from Vladivostok to Damascus. (since difference between 8:30 pm and 10:30 am (from 10:30 am to 8:30 pm) is of 9 hours 45 minutes)
Thus, the length of the considered flight in terms of time is given by: Option C. 9 hours, 45 minutes
Learn more about timezones here:
https://brainly.com/question/4054255
Answer:
When it is 8:00 a.m. in Damascus, it is 4:00 p.m. in Vladivostok. If your plane departs from Vladivostok at 10:45 a.m. local time and lands in Damascus at 12:30 p.m. local time, how long was the flight?
a. 1 hour, 45 minutes
b. 5 hours, 45 minutes
c. 9 hours, 45 minutes<<< CORRECT
d. 13 hours, 45 minutes
Step-by-step explanation:
2022 Edge TOPIC TEST
haven’t done this for awhile. I’m confused
Answer:
—8, —5, —2, 1, 4
Step-by-step explanation:
Check out the attached photo
3. Find the surface area.
25 yd
10 yd
20 yd
15 yd
The surface area of the shape is 400 square yards
How to calculate the surface area of a shapeThe formula for calculating the surface area of the shape is given as:
Surface area = Area of square + area of triangle
Surface area = (15 * 20) + (0.5 * 10 * 20)
Surface area = 300 + 100
Surface area = 400 square yards
Hence the surface area of the shape is 400 square yards
Learn more on surface area of figure here:
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What number is one hundred thousand less than one hundred
million?
Answer:
900,000
Explanation:
1 million is 10*100,000, so subtracting 100,000 from it is just like subtracting 1 from 10-- just much much larger numbers.
Answer:
99,900,000
Step-by-step explanation:
Less than ⇒ subtraction⇒ Subtract 100,000 from 100,000,000⇒ 100,000,000 - 100,000⇒ 99,900,000A line passes through the point (4,1) and has a slope of 5/4
Write an equation in slope-intercept form for this line.
Please help
1. Select all equations that have select all graphs with the same y-intercept.
Ay = 3x - 8
B.y = 3x - 9
c. y = 3x + 8
D. y = 5x - 8
E. y = 2x - 8
F. y = 1/3x -8
Answer:
A, D, E, F
Step-by-step explanation:
If you graph those four equations or plug in 0 as x, you would find that all of them are equal to -8
Nate has the following data:
5
t
14
14
7 3
If the range is 13, which number could t be?
PLS HELP ASAP the area of the circle is 64pi square cm what is the radius of the circle in cm
8 cm
9cm
6cm
16cm
Answer:
8cm
Step-by-step explanation:
[tex]Here,\\\\Area(A)=64\pi cm^{2} \\Radius(r)=?\\\\As\:we\:have,\\\\\hookrightarrow Area=\pi r^{2} \\\\\hookrightarrow \frac{64\pi cm^{2} }{\pi } =r^{2} \\\hookrightarrow 64 cm^{2} =r^{2} \\\\\hookrightarrow \sqrt{64cm^{2} } =r\\\\\hookrightarrow 8cm=r\\\\\hookrightarrow r=8cm[/tex]
Answer:
[tex]\huge\boxed{\bf{radius_{circle} = 8cm}}[/tex]
Step-by-step explanation:
Given:-
[tex]\tt Area_{circle} = 64\pi cm^2 [/tex]To find:-
[tex]\tt radius_{circle} = ?[/tex]Ans:-
[tex]\sf \to Area_{circle} = \pi*r^2 [/tex]
[tex]\sf \to 64\cancel{\pi} cm^2 = \cancel{\pi}*r^2 [/tex]
[tex]\sf \to 64cm^2 = r^2 [/tex]
[tex]\sf \to r = \sqrt{64cm^2} [/tex]
[tex]\sf \to r = 8cm [/tex]
therefore [tex]\tt radius_{circle} [/tex] = 8cm
[tex]\: [/tex]
[tex]\huge\colorbox{skyblue}{BlackPain}[/tex]
Herbert got a 76 on his last unit test. If he increases his score by 30% on the next test, what will his new score be?
Can someone help me with this I have a few hours before I have to turn this in anything is appreciated
four friends go out for lunch. Each person orders 1 drink for 1.50 and 3 tacos. the total cost for all 4 people is $24. what is the price of one taco? $_
Answer:
$1.50
Step-by-step explanation:
4(1.50 + 3x) = 24
4(1.50 + 3x) = 24/4
_________
1.50 + 3x = 6. subtract by 1.50 from both sides.
3x = 4.50
3x/3 = 4.50
____
3
x = 1.50
hope this helps!
Find a pair of negative integers with a sum of 5
What is the area of the parallelogram if each square is 1 square foot?
12 ft
12
12 ft3
12ft2
To calculate the area of a parallelogram
⇒ we must know the formula
⇒ Area = base * height
What are we given:
Base length: it is 4ft because we counted that the length covered 4 squareHeight length: it is 3ft because we counted that the height covered 3 squareThus:
Area = 3ft * 4ft = 12 [tex]ft^2[/tex]
Hope that helps!