The distance between points A and B is 9.22units, approximately.
This is further explained below.
What is the length of segment AB?Generally, In the image attached, you can observe a representation of the problem.
We have to find the distance between points A and B, which have coordinates (7,0) and (0,6), respectively.
The definition of distance between two given points is
[tex]d=\sqrt{\left(y_2-y_1\right)^2+\left(x_2-x_1\right)^2}[/tex]
Using points A and B, the distance between us
[tex]&d_{A B}=\sqrt{(7-0)^2+(0-6)^2}\\\\d_{A B}=\sqrt{49+36}\\\\\ d_{A B}=\sqrt{85} \\\\&d_{A B} \approx 9.22[/tex]
In conclusion, the distance between points A and Ais 9.22 units, approximately.
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Oil flows through a pipe at a rate of 40m^3/s. How long will it take to fill a tank of volume 1.2x10^5m^3?
Volume is a three-dimensional quantity that is used to measure the capacity of a solid shape. If oil flows through a pipe at a rate of 40m³/s then it takes 50mins to fill a tank of volume 1.2x10⁵m³
What is Volume?Volume is a three-dimensional quantity that is used to measure the capacity of a solid shape. It means the amount of three-dimensional space a closed figure can occupy is measured by its volume.
Given that Oil flows through a pipe at a rate of 40m³/s.
Volume of the tank is 1.2x10⁵m³
volume =Rate *time
Time=Volume/ Rate
Time= 1.2*10⁵m³ / 40m³=3000seconds
We need to convert time in seconds to minutes
We know that 1 hr = 60 mins.
So divide 3000 sec by 60
3000/60= 50 minutes.
Therefore 50 min it will take to fill a tank of volume 1.2x10⁵m³.
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What is the least common multiple of 3, 9, and 12?
Answer:
36
Step-by-step explanation:
3=3
9=3*3 = 3^2
12=2*2*3 = 2^2*3
lcm = 2^2*3^3
= 4*9
therefore lcm= 36
Answer:
36
Step-by-step explanation:
[tex]\bold{3} \times \bold{12} = 36\\\bold{9} \times 4 = 36[/tex]
Simplify each number. (32)⁻⁴/₅
The result of simplifying each number (32)⁻⁴/₅ using the exponent rules is 1/16
To solve this exercise we have to resolve algebraic operations following the exponent rules.
(32)⁻⁴/₅
Base= 32
Exponent= -4/5
As we have a negative exponent, you have to pass the exponent to the denominator:
1/(32)⁴/₅
As we have a fractional exponent, you must convert the exponent to root:
1/[tex]\sqrt[5]{}[/tex](32)⁴
1/[tex]\sqrt[5]{}[/tex]1048576
1/16
What is an exponent?In mathematics an exponent is the number of time that a number, called (base) is multiplied by itself. It is also called, power or index.
Example: 3² = 3*3 = 9
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Determine whether this statement is true or false. If false, identify the correct explanation.
If an angle is acute, then its supplement is a right angle.
true
false; the complement is a right angle
false; supplement is less than a right angle
false; supplement is an obtuse angle
If an angle is acute, then its supplement is an obtuse angle (true).
What is an Acute Angle?An acute angle is an angle that has a measurement that is below 90 degrees (right angle).
What is an Obtuse Angle?The measurement of an obtuse angle is less than 180 degrees but more than angle 90 degrees (right angle).
What is the Supplement of an Angle?The supplement of an angle is the measure of that angle subtracted from 180 degrees.
For example, if an acute angle measures 30°, therefore:
The complement of 30° = 90 - 30 = 60°. 60° is also an acute angle.
The supplement of 30° = 180 - 30 = 150°. 150° is an obtuse angle.
Therefore, we can conclude that: if an angle is acute, then its supplement is an obtuse angle (true).
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A jar contains 0.25 liter of apple juice and 0.30 liter of grape juice. Melissa poured 0.75 liter of pineapple juice into the jar. She then drank 0.20 liter of the mixture.
Part A: Write an expression to represent the total amount of juice left in the jar.
Part B: Simplify the expression and identify which property is used in each step.
Part A: Expression to represent the total amount of juice left in the jar : (0.25 +0.30 + 0.75) - 0.20
Part B: Simplifying above expression using properties of addition and subtraction gives that total amount of juice left is 1.1 liter.
What is an expression?An expression is a group of terms consisting of numbers and mathematical operators ( +, -,*,/) and "=" is not there.
Given that a jar contains 0.25 liter of apple juice, 0.30 liter of grape juice, 0.75 liter of pineapple. Melissa then drank 0.20 liter of the mixture.
Therefore, total juice in the jar before Melissa drank it = quantity of (apple juice + grape juice + pineapple juice ) = (0.25+ 0.30+0.75) liters
After Melissa drank 0.20 liter juice left = total juice before - 0.20
Thus, Expression to represent the total amount of juice left in the jar is: (0.25 +0.30 + 0.75) - 0.20
And it can be solved as (0.25 +0.30 + 0.75) - 0.20 = (0.55+0.75)-0.20
= 1.30-0.20 = 1.1 liter
Thus, after simplifying expression we get that the left juice in the jar is 1.1 liter.
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Please find the perimeter of the following shape (I know the answer, please explain steps)
Step-by-step explanation:
the perimeter is the sum of all sides.
it is clearly a symmetric figure.
I assume the sqrt(36) is the whole baseline (incl. the left and right x).
so, we have
sqrt(8) + 2x = sqrt(36) = 6
1/2 × sqrt(8) + x = 3
sqrt(1/4 × 8) + x = 3
sqrt(2) + x = 3
x = 3 - sqrt(2)
to get the inclined sides we use Pythagoras
c² = a² + b²
c being the Hypotenuse, a and b being the legs of the right-angled triangle.
so,
side² = sqrt(8)² + (3 - sqrt(2))² = 8 + (9 - 6×sqrt(2) + 2) =
= 19 - 6×sqrt(2)
each inclined side is
sqrt(19 - 6×sqrt(2))
so, as perimeter we get
6 + sqrt(8) + 2×sqrt(19 - 6×sqrt(2)) =
= 15.3137085...
Write each expression as a single logarithm. Identify any properties used. log 8+log 3
log (24) is each expression as a single logarithm.
A logarithm is defined simply.
The power to which a number must be increased in order to obtain another number is known as a logarithm (see Section 3 of this Math Review for more about exponents). For instance, since ten raised to the power of two equals 100, the base ten logarithm of 100 is 2: log 100 = 2.Each of the properties of exponential functions has an analog for
logarithmic functions.
logb(x)+logb(y)= logb(xy)
Use this properties
log 8+log 3 = log ( 8 * 3 )
log 8+log 3 = log (24)
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I need help please, I’m a little stuck
Answer:
[tex]\boldsymbol{\boxed{f(-4) = -1}}[/tex]
Step-by-step explanation:
[tex]\displaystyle f(x) = \left \{ {{x + 3, x < -1} \atop {-4x -2,x \geq 1}} \right.[/tex]
[tex]-4 < -1 \Longrightarrow f(-4) = -4 + 3 =-1[/tex]
[tex]\boxed{f(-4) = -1}[/tex]
For A-D, select each fraction that is equal to 4 5
The fractions 16/20, 12/15, and 8/10 are equivalent fractions to 4/5.
When writing equivalent fractions, the numerator and denominator should be multiplied or divided by the same number. This is the reason why when these fractions are simplified, they are reduced to the same value.
Let us understand the two ways in which we can make equivalent fractions:
Now, Divide the denominator or numerator by the same number or multiply the denominator and the numerator by the same number.
So, the equivalent fractions for 4/5 are:
(4/5) × (2/2) = (4 × 2) / (5 × 2) = 8/10
(4/5) × (3/3) = (4 × 3) / (5 × 3) = 12/15
(4/5) × (4/4) = (4 × 4) / (5 × 4) = 16/20
After simplifying, 16/20, 12/15, and 8/10 equal 4/5, indicating that they are identical in nature.
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What is 1/2 to the negative third power as a fraction
Answer:
Dunno
Step-by-step explanation:
Rearrange bn - w = f to make n the
subject.
Answer:
n = (f + w)/b
Step-by-step explanation:
bn - w = f
Rearrange the equation so that the subject is on its own, in the format Ax = B
bn - w + w = f + w
bn = f + w
Isolate the subject, so that it's in the format x = C
bn = f + w
bn/b = (f + w)/b
n = (f + w)/b
21 increased by twice Gail's height
Use the variable g to represent Gail's height.
The expression represented by 21 increased by twice Gail's height is 21 + 2g
What are expressions?Expressions are mathematical statements that are represented by variables, coefficients and operators
How to translate the algebraic expression?The expression is given as
21 increased by twice Gail's height
Where
g represents Gail's height
So, we have
21 increased by twice Gail's height ⇒ 21 increased by twice g
Twice means 2*
So, we have
21 increased by twice Gail's height ⇒ 21 increased by 2g
increased by means +
So, we have
21 increased by twice Gail's height ⇒ 21 + 2g
Hence, the expression represented by 21 increased by twice Gail's height is 21 + 2g
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Find the value of x.
3x = 2 + 31
Answer:
x=11
Step-by-step explanation:
3x=2+31
3x=33
divide both sides by the coefficient of x
x=11
If the variable h represents how many hours samantha works, write an algebraic expression that describes how much
samantha earns if she makes $14. 55 an hour. Create another an real life algebraic expression (or equation). Choose and define your variable
The algebraic expression that describes how much Samantha earns after h hours if she makes $14.55 an hour is x = $14.55h, where x is the amount of money she earns and h is the number of hours she works.
An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question.
If Samantha makes $14.55 an hour, and h is the number of hours she works, then the algebraic expression to demonstrate how much she earns is:
x = $14.55h
where x = amount of money she earns
h = number of hours she works
Another real life situation:
A piggy bank contains $25, and $1.50 is added each day. The algebraic expression to demonstrate how much money the piggy bank contains is:
m = $25 + $1.50(d)
where m = amount the piggy bank contains after d days
d = number of days
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PLEASE HELP ME ASAP!!!!
Which of these can most easily be found on a frequency chart?
A) The median
B) The mode
C) The mean
D) None of these
Frequency refers to the number of times an event or a value occurs. A frequency table is a table that lists items and shows the number of times the items occur(C)
One of the worlds largest crocodiles weighed 38,400 ounces how many tons did the crocodile weigh
Answer: 1.2 tons
Step-by-step explanation:
Answer: 1,777
Step-by-step explanation:
Assume you have applied for two jobs a and b. The probability that you get an offer for job a is 0. 25. The probability of being offered job b is 0. 20. The probability of getting at least one of the jobs is 0. 40. What is the probability that you will be offered both jobs? enter your answer as a decimal rounded to two places.
If you have applied for two jobs a and b and the probability that you get an offer for the job a is 0.25 and the probability of being offered job b is 0.20, then the probability that you will be offered both jobs is 0.05.
Probability is a term used in mathematics that is concerned with the numerical illustration of the possibility of an event to take place. Its value is between 0 and 1 where 0 illustrates the impossibility of the event to take place while 1 illustrates the certainty of an event to take place.
As the probability of both the jobs are not dependent on each other, the probability that both jobs will be offered can be calculated by the formula;
P(A∩B) = P(A) × P(B)
Here, P(A∩B) represents the probability of both the events to take place together
As P(A) is equal to 0.25
P(B) is equal to 0.20
P(A∩B) = (0.25)(0.20)
P(A∩B) = 0.05
Therefore, 0.05 is the probability that both jobs will be offered.
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Hello, I would really appreciate it if someone would help me out with this problem and explain how they did it if possible. If not that is completely alright. I hope you all have an amazing day. Thank you so much! :) (Even if you don't solve the problem feel free to give it your best guess or even just say "hello" to earn yourself some points. You deserve them.) :D (Will be looking for a brainliest!)
Answer:
1/2,187
1/367
3^-7
Step-by-step explanation:
I hope this helped, have an amazing day! :D
Amelia took a taxi from her house to the airport. The taxi company charged a pick-up fee of $4.60 plus $0.50 per mile. The total fare was $13.60, not including the tip. Write and solve an equation which can be used to determine
m
m, the number of miles in the taxi ride.
Solution: the number of miles in the taxi ride.= 180 miles
Miles : A unit of length equal to exactly 1.609344 kilometers.
Also equal to 1,760 yards or 5,280 feet.
The average walking speed is 3 miles per hour (so it takes about 20 minutes to walk 1 mile).
The taxi company charged a pick-up fee of $4.60
The taxi company charged $0.50 per mile.
The total fare was $13.60
The total fare = pick-up charged + traveling charged
the number of miles in the taxi ride = m
$13.60= $4.60 + m x $.50
$13.60-$4.60 = $.50m
9 =.50 m
9 /.50 = m
900/5 = m
180 = m
the number of miles in the taxi ride.= 180 miles
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Determine whether each function is an example of exponential growth or decay. Then, find the y -intercept. y=5 x
The function y = 5x demonstrates exponential growth.
What do we exactly mean by Exponential Function?An exponential function is indicated when the input variable x appears as an exponent in the formula f(x) = ax.Both the exponential function and the value of x have an effect on the exponential curve.The exponential function is a fundamental mathematical function with the following formula:
f(x) = aˣ
Where a>0 and a does not equal to 1.x can be any genuine number.If the value of the variable is negative, the function for (-1<x<1) is undefined.Here,
The variable is "x".The base of the function, "a," is a constant.An exponential curve may increase or decrease depending on the exponential function.If a quantity regularly increases or decreases by a predetermined percentage, it should have either exponential growth or exponential decay.So,
Given function: y = 5x
If we put x = 1 as follows:
y = 5×1y = 5Then, if we put x = 2 as follows:
y = 5×2y = 10We see that 10 > 5.
So, when x increases, y also increases.Therefore, the function y = 5x demonstrates exponential growth.
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Write an equivalent expression by distributing the "—" sign outside the parentheses:
3v - (7.9w - 9.3)
By applying the distributive property, the equivalent expression to 3v - (7.9w - 9.3) is: 3v - 7.9w + 9.3.
What is an Equivalent Expression?Two expressions are equivalent if they both have equal values when simplified or evaluated.
How to Apply the Distributive Property?To apply the distributive property, the term or operation sign outside the parentheses is used to multiply each of the terms that are within the parentheses.
Given the expression, 3v - (7.9w - 9.3)
Apply the distributive property to find an equivalent expression
3v - (7.9w - 9.3) = 3v -(7.9w) - (-9.3)
3v - (7.9w - 9.3) = 3v - 7.9w + 9.3
Therefore, by applying the distributive property, the sign "-" is distributed to get the equivalent expression to 3v - (7.9w - 9.3, which is: 3v - 7.9w + 9.3.
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I need help on this percent practice please. Thank you
By solving the percent application, the result is 45% of 120 is 54 and 81 is 75% of 108.
(A) 45% of 120
Multiply 45/100 with 120 =(45/100) x 120 = (45 x120) / 100 = 54.
(B) 81 is 75%
Formula = Number x 100/Percent
= 81 x 100/ 75 = 108
Following shows the steps on how to derive this formula and find out 75% of what number is 81. Then take 100% of that figure. Setup the equation
81/75% = Y/100%
Solve for Y
Using cross multiplication of two fractions, we get
75Y = 81 x 100
75Y = 8100
Y = 8100
100 = 108
Hence, by solving the percent application, the result is 45% of 120 is 54 and 81 is 75% of 108.
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Domain and range graph helppppppp plssssss
For graph number 13:
We can see that the domain is: {-3, 3} the range is: R: {-4, 2} this is not a function
How to find the domain and range with a graph?
For a relation that maps elements x into elements y, we define the domain as the set of the inputs and the range as the set of the outputs. And we say that the relation is a function if each input is mapped into, at most, one output.
If you look at the graph 13 you can see several points, which are of the form (x, y) and are:(-3, 2), (3, 2), (-3, -4), (4, -4)And it makes a little square.
Then you can see that the inputs are -3 and 3, so the domain is:
{-3, 3}
And the outputs are 2 and -4, then the range is:
R: {-4, 2}
And this is not a function, because for example, output 3 is being mapped into two different values.
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Questions in the picture
Answer:
198299 - Hundreds
2040949 - Millions
94.542 - Hundredths
5848 = 5800
1.83 = 2
459900 = 460000
0.07234 = 0.07
HOW DO I SOLVE THIS PLEASE HELP ITS DUE IN 30 MIN
The numeric values for the function are given as follows:
A. f(a) = 9a - 9.
B. f(a + h) = 9a + 9h - 9.
C. f(a + h) - f(a) = 9h.
D. (f(a + h) - f(a))/h = 9.
How to find the numeric value of a function/expression?To find the numeric value of a function, we replace each instance of the variable by the desired value.
For this problem, the function is given by:
f(x) = 9x - 9.
At x = a, the numeric value is given by:
f(a) = 9(a) - 9 = 9a - 9.
Hence:
f(a) = 9a - 9.
At x = a + h, the numeric value is given by:
f(a + h) = 9(a + h) - 9 = 9a + 9h - 9.
Hence:
f(a + h) = 9a + 9h - 9.
Subtracting these values, we have that:
f(a + h) - f(a) = 9a + 9h - 9 - 9a + 9 = 9h.
Hence:
f(a + h) - f(a) = 9h.
Dividing by h, we have that:
(f(a + h) - f(a))/h = 9h/h = 9.
Hence:
(f(a + h) - f(a))/h = 9.
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HURRY FAST
Which equation applies the associative property of multiplication?
Answer:
8/9×7/4×(-5/8)=8/9×(-5/8)×7/4
Step-by-step explanation:
first equation
Leena consumes 400 calories at breakfast and 350 calories at lunch. She consumes StartFraction 2 Over 3 EndFraction. of her daily calories at dinner. If x represents the calories consumed at dinner, which statements describe the situation? Check all that apply.
Leena consumed 1,500 calories at dinner.
The equation StartFraction 2 Over 3 EndFraction left-parenthesis x plus 400 plus 350 right-parenthesis equals x.(x + 400 + 350) = x can be used to model the situation.
Leena consumed 500 calories at dinner.
The equation StartFraction 2 Over 3 EndFraction left-parenthesis x right-parenthesis equals x left-parenthesis 400 plus 300 right-parenthesis.(x) = x(400 + 300) can be used to model the situation.
Leena consumed 1,000 calories at dinner.
The equation StartFraction 2 Over 3 EndFraction x left-parenthesis x plus 400 plus 350 right-parenthesis equals x.x(400 + 300) = x can be used to model the situation
The correct statement regarding the algebra will be:
A. Leena consumed 1,500 calories at dinner.
B. The equation StartFraction 2 Over 3 EndFraction left-parenthesis x plus 400 plus 350 right-parenthesis equals x.(x + 400 + 350) = x can be used to model the situation.
How to illustrate the information?Calories consumed at dinner = x
x = 2/3 of daily calorie
Hence, the fraction of calories consumed during breakfast and lunch can be calculated thus :
1 - 2/3 = 1/3
Let the total amount of calories consumed per day = c
1/3 × c = 750
c/3 = 750
c = 750 × 2 = 2250 calories
Calories consumed at dinner = (2250 - (750)) = 1500 calories
Therefore, the correct options are A and B.
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What is an equation of the line that passes through the points (7,-3) and
(-8,-3)?
Answer:
Step-by-step explanation:
m= [ -3-(-3)] ÷ [-8-7} = 0
Therefore, the slope of the line is 0.
Now use the slope and either of the two points to find the y-intercept.
y= mx+b
-3= (0)(7)+b
b=-3
Write the equation in slope intercept form as:
y= mx+b
y= (0)x-3
y= -3
Hence, the equation of the line is y= -3.
I need help on this it’s been hours
Answer:Eric cause 5/12 is greater
Step-by-step explanation:
The diameter of a circle is 8 m. Find its area in terms of pi
Answer:
50.28 m²
Step-by-step explanation:
Area of a circle = pi r²
= 22/7 × 4 × 4
= 50.28 m²