The distinct lines ABC and deer in the same place tell how Line A. And line B. related to each other justify your answer a ll b,b ll c,c | d
Answers
Line A is perpendicular to D because a is parallel to c and c is perpendicular to d.
How are parallel straight lines related?Parallel lines have the same slope since the slope is like a measure of steepness and since parallel lines are of the same steepness, thus, are of the same slope. Since the given parallel line has equation y = 2x + 2, thus its slope is 2 and thus, the slope of the needed line is 2 too.
WE have been given that a ll b,b ll c,c is perpendicular to d.
Here the line a is parallel to b and b is parallel to c so a must be parallel to c.
As we know that c is perpendicular to d since, a is parallel to c.
Therefore, Line A is perpendicular to D because a is parallel to c and c is perpendicular to d.
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Related Questions
9. Solve
x(c- b) = g solve for x
Answers
Step-by-step explanation:
x(c - b) = g
divide through by (c - b)
x(c - b) = g
(c - b) (c - b)
x = g/ (c - b)
a whole number is more than 50. if this number is divided by 3, the remainder is 2. if it divided by 4, the remainder is 3. what is the smallest such whole number
Answers
The smallest such whole number is 11 which is, Which is divided by 3, the remainder is 2, f it, divided by 4, the remainder is 3
Let the number be x
Here we have to find the whole number which is Divided by 3,4 the remainder is 2,3 respectively,
x+(3–2)= x +1 is multiple of 3
Div by 4 remainder is
3x+(4–3) = x+1 is multiple of 4
So LCM of 3,4 is 3×4 = 12
Hence,x=12 –1 =11
The smallest such whole number is 11 which is divided by 3, the remainder is 2, if it divided by 4, the remainder is 3.
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The Mississippi river flows at a rate of 1 7⁄8 miles per hour. If
Marco floats down the river in a boat for 5 1⁄6 hours, how far will
he float?
I don't know how to do this :(
Answers
465/48
Step-by-step explanation:
1 ⅞ miles × 5⅙ = 465/48
________ _______
1 hour × 5⅙ = 5⅙ hours
A wall in Marcus's bedroom is 8 feet high and 18 feet long. If he paints of the wall blue, how many square feet will be
blue?
O 77
O 72 1/15
O 154
O 144 1/15
Answers
The blue portion of the wall in Marcus's bedroom is discovered to be 144(1/15) or 9.6 square feet in size.
How do you calculate the area of a wall?Use the standard formula of Length x Width = Area to calculate the area of a wall.
What is the area of a wall measured in square meters?Because square feet is the most commonly used measurement in the world when it comes to wall sizes, the measurement unit will have an impact on how you calculate square footage.
It is given that a wall in Marcus's bedroom is 8 feet high and 18 feet long.
So, the area of a wall = 8 × 18
= 144
Further, 1/15 portion is painted with blue color.
So, the portion that is painted with blue = 144 × 1/15
= 9.6
Therefore, the area of the wall in Marcus's bedroom that is painted with blue color is found to be 144(1/15) or 9.6 square feet.
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Henry and his children went into a restaurant that sells drinks for $2 each and tacos for $4 each. Henry has $40 to spend and must buy at least 14 drinks and tacos altogether. If x represents the number of drinks purchased and y represents the number of tacos purchased, write and solve a system of inequalities graphically and determine one possible solution.
Answers
One possible solution for the system of inequalities that models the situation is: (5,7), when he purchases 5 drinks and 7 tacos.
What is a system of inequalities?A system of inequalities is when multiple variables are related in a context, and then inequalities are built to find the numeric range of values that each variable can assume, according to the constraints in this problem.
For this problem, the variables are defined as follows, as stated in the text:
Variable x: number of drinks purchased.Variable y: number of tacos purchased.Both amounts cannot assume negative values, hence the first constraints are:
x ≥ 0.y ≥ 0.He must buy at least 14 drinks, hence:
x + y ≥ 14.
He must spend at most $40, hence, considering the price of each item, the constraint is given by:
2x + 4y ≤ 40.
The graphic solution to the inequality is given at the end of the answer. One possible solution is of (5,7), meaning that he buys 5 drinks and 7 tacos.
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Please help, I’ve been trying to do this for a couple of hours now but I can’t seem to figure it out.
The tables show a Linear function that represents your earnings y in dollars after x working hours
(Picture below)
What is the totals earnings for the 6th hour?
$
What is your hourly wage?
$
Answers
Answer:
total earnings at 6th hour: 111
hourly wage (slope): 18.5
Step-by-step explanation:
A linear function has a linear relationship, which essentially states as x increases by one, the y-value increases by some constant amount yielding a straight line.
The slope, or how much the y-value changes as x changes by 1 is generally written as: [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
We can choose any two points and this should yield the slope of the function, but it's a lot easier to choose y-values that are only separated by an x-value of one.
Let's say: [tex](x_1, y_1)=(4,\ 74)\text{ and }(x_2,y_2)=(5,\ 92.50)[/tex]
If we plug the values into the slope formula we just get: [tex]\frac{92.50-74}{5-4}=\frac{92.50-74}{1}=92.50-74[/tex]
And this makes sense, since by definition of a slope, it's just the change in y over change in x. This is equivalent to how much the y-value changes as x increases by one, so if we select two values with a difference of one in their x-values, the slope just turns out to be the difference between the two numbers.
Simplifying our expression we get: [tex]92.50-74=18.5[/tex]
This slope in this context represents how earnings increases as the hour increases, or in other words the hourly wage.
To calculate the earnings of the 6th hour we can just use the definition of a slope. From the x-value 5 to the x-value 6, the y-value should simply increase 18.5
So adding 18.5 to the y-value at x=5 we get: [tex]92.5+18.5=111[/tex]
A ticket for the train costs $6.23. If Barbara has $32, does she have enough money to buy 5 tickets? Explain your reasoning.
Answers
6.23•5=31.15
32 is more then 31.15
So yes, she has enough money!
How many 1 3/5-inch-thick books can fit on a 1 4/12-inch-long bookshelf?
You can fit ? books on the bookshelf.
Answers
Using division we can calculate that 8 books can fit in the 14 inch long bookshelf .
Division is one of the four basic arithmetic operations, or the process by which two numbers are added together to produce a new number. Multiplication, addition, and subtraction make up the remaining operations.
One way to understand the division of two natural numbers is to tally the occasions in which one number is included within another. This number doesn't have to be an integer. For instance, each individual will receive 5 apples if 20 apples are spread evenly among 4 people.Both types of division are applied to various algebraic structures, or means of describing mathematical structure. These contain polynomial rings in a single indeterminate and are known as Euclidean domains. These are the cases where a defined Euclidean division (with remainder) exists.length of book shelf = 14 inch
length of each book = 1 3/5 inch = 1.6 inches
Number of books = 14 ÷ 1.6 = 8.75 books
Hence by division we get that 8 book can be put in the bookshelf.
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The graph of the function f(x) = –(x + 3)(x – 1) is shown below.
On a coordinate plane, a parabola opens down. It goes through (negative 3, 0), has a vertex at (negative 1, 4), and goes through (1, 0).
Which statement about the function is true?
The function is positive for all real values of x where
x < –1.
The function is negative for all real values of x where
x < –3 and where x > 1.
The function is positive for all real values of x where
x > 0.
The function is negative for all real values of x where
x < –3 or x > –1.
Answers
The true statement about the function are;
⇒ The function is positive for all real values of x, where x < –1.
What is Function?
A relation between a set of inputs having one output each is called a function.
Given that;
The graph of the function;
f(x) = –(x + 3)(x – 1)
Now,
Graph of the function is shown in attached image.
Which is a parabola, It goes through (- 3, 0), has a vertex at (- 1, 4), and goes through (1, 0).
Clearly, When x < -1
Take x = 0 < -1
The value of function;
f(x) = –(x + 3)(x – 1)
= - (0 + 3) (0 -1)
= -3 x -1
= 3
The function is positive.
Thus, The true statement about the function are;
⇒ The function is positive for all real values of x, where x < –1.
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If Roni and Allie work together to mow the field, what part of the field would Roni mow?
about 0.52 of the field
about 0.64 of the field
about 0.71 of the field
about 0.87 of the field
Answers
If Roni has a riding lawn mower and can mow the field in 30 minutes and Allie is pushing a lawn mower and can mow the field in 75 minutes. If Roni and Allie work together to mow the field, about 0.71 of the field will Roni mow.
Time taken by Roni to mow the field = 30 minutes
Time taken by Allie to mow the field = 75 minutes
Work done by the Roni = x/30
Word done by Allie = x/75
Then they are working together
x/30 + x/70 = 1
Solve the equation
[tex]\frac{70x+30x}{2100}=1[/tex]
70x+30x = 2100
100x = 2100
x = 2100/100
x = 21
Then, the work done by Roni = x/30
= 21/30
= 0.70
Hence, if Roni has a riding lawn mower and can mow the field in 30 minutes and Allie is pushing a lawn mower and can mow the field in 75 minutes. If Roni and Allie work together to mow the field, about 0.71 of the field will Roni mow.
The complete question is
Roni and Allie are mowing the grass at the soccer field. Roni has a riding lawn mower and can mow the field in 30 minutes. Allie is pushing a lawn mower and can mow the field in 75 minutes. If Roni and Allie work together to mow the field, what part of the field would Roni mow?
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A conditional has a(n)? of true or false.
Answers
Answer:
The correct option is (b) truth value. If we are given two statements, the first statement is called the hypothesis and the second is its conclusion.
Shen invested in a savings bond for 6 years and was paid simple interest at an annual rate of 3% . the total interest that he earned was $1620 . how much did he invest?
Answers
The principal amount invested by Shen in the saving bond is $9,000.
What is explained as the simple interest?Simple interest is a simple and fast method to calculate the interest on a loan. Simple interest is calculated by multiplying this same daily interest rate even by principal multiplied by the amount of days between payments.As per the given question;
The formula for simple interest is-
SI = PRT/100
Principal be 'P'Simple Interest SI = $1620.Time t = 6 yearsRate of interest R = 3%.Put the values;
SI = PRT/100, write the formula in the terms of P
P = 100×SI/RT
P = 100×1620 / (3×6)
On simplification;
P = 9,000
Thus, the amount invested by Shen in the saving bond is $9,000.
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Factor x2 – 3x – 28.
An x-method chart shows the product a c at the top of x and b at the bottom of x. Above the chart is the expression a x squared + b x + c.
Identify the values that should be written to complete the X diagram.
On the top:
On the bottom:
On the sides:
–7 and 4
Rewrite the expression using the numbers on the sides of the X diagram.
Use double grouping to factor the four terms.
x2 – 3x – 28 =
Answers
Values needed to complete the X diagram are:
On top -28, On the bottom: -3 and On the sides: -7 and 4.
What do you mean by factorization?An algebraic expression is factorised when it is written as the product of its factors.
The given equation is :
F(x) = x²-3x-28
finding factors,
= x²-7x+4x-28
= x(x-7) +4(x-7)
= (x-7)(x+4)
Given general equation is ax²+bx+c,
on comparing with x²-3x-28
a = 1
b = -3
c = -28
ac = 1*(-28) = -28
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Find a function of the form y=Asin(kx)+C or y=Acos(kx)+C whose graph matches the function shown below:
Answers
The sinusoidal function that matches the graph given is:
g(x) = 4cos((π/7)x) - 2.
What is the cosine function?The cosine function is defined as follows:
g(x) = acos(bx)+d.
The coefficients have these following roles:
a: amplitude.b: The period is of 2π/b.d: vertical shift.For this problem, we use a cosine function because the function is not zero at the origin, while for the sine it is.
From the graph of this function, the maximum value is of 2, while the minimum value is of -6, hence the amplitude is found as follows:
2a = 8 (difference between these values).
a = 4.
Then:
g(x) = 4cos(bx) + d.
A function with amplitude of 4 should oscillate between -4 and 4, while this one oscillates between -6 and 2, meaning that it was shifted 2 units down, hence d = -2 and:
g(x) = 4cos(bx) - 2.
The period is of 14 units, hence:
2π/b = 14
14b = 2π
b = π/7
Hence the function is:
g(x) = 4cos((π/7)x) - 2.
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Solve the following inequality:
3r-13>14
could I have a demonstration of how it worked out
Answers
Answer:
r>9
Step-by-step explanation:
3r-13+13>14+13
3r>27
3r/3>27/3
r>9
Answer:
r > 9
Step-by-step explanation:
Hello!
Treat inequality as an equal sign. The only rule is that when you divide or multiply by a negative number, flip the sign.
Solve for r3r - 13 > 143r > 27r > 9The solution is true for any value of r greater than 9.
How would you solve this problem?
The mass of Earth is 5.97 X 10^24 kilograms while the mass of Jupiter is 1.9 x 10^27 kilograms. Approximately how many times greater is the mass of Jupiter compared to Earth? Give your answer in scientific notation.
Answers
Provided the figures we have that describe the mass of Earth and the mass of Jupiter, we can conclude that Jupiter is 318 times greater than the mass of Earth.
How do we arrive at the planet with the greater mass?From the figures we have, we can see that the mass of Jupiter is greater than the mass of Earth because it has more zeros.
So, we have to divide the value of the mass of Jupiter by the mass of the earth as follows:
1.9 x 10^27
5.97 X 10^24
=1. 9 ÷ 5.97 × 10^27 - 10^24
= 0.318... ×10³
= 318
Do note that when we have to divide figures that are raised to some figures, the rule will be to subtract the figures as we find in the fact that 27 - 24 is equal to 3. And when we multiply, we arrive at the stated figure.
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name one ray?
i’m not sure which is a ray .. lol
Answers
Answer: Ray BA and Ray BC
Explanation:
A ray starts at at a fixed point and moves forever in one direction. If we break line AC into two parts BA and BC, then we can form two opposite rays. Another ray points to the right but the letter marked for this isn't clear, so I'm not sure what to write for that ray. Same goes for the dashed ray that points to the left.
BD is a segment because both endpoints are fixed. We don't have either side extending forever in that direction.
oh so Sorry about that Here it is
Answers
Answer:
y = 1/4x + 1
1/4 is the slope and 1 is the y-intercept
Three-fourths of students in your classroom like chocolate chip cookie dough ice cream. One-half of these same students also like mint-flavored ice cream. What fraction of students in your classroom like both flavors?
ANSWER FOR 100 POINTS
Answers
The fraction of the students in the classroom that like both flavors is 1/4.
How to calculate the fraction?From the information, three-fourths of students in the classroom like chocolate chip cookie dough ice cream and one-half of these same students also like mint-flavored ice cream.
The fraction of the students in the classroom that like both flavors will be the addition of both flavors subtracted from 1. This will be illustrated as:
= (3/4 + 1/2) - 1
= 3/4 + 2/4 - 1
= 5/4 - 1
= 1/4
The fraction is 1/4.
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I need help ASAP 15 points
Answers
The value of x is 9 and the mistake that Maggie made is that she did use the proper operation sign when rearranging the numbers.
How to find vertical opposite angles?When any two straight lines intersect each other, then four angles are formed. The angles that are directly opposite to each other are known as opposite angles. They are also called vertical angles or vertically opposite angles.
Now, from the image attached, we see that the two given angles are opposite angles and as such they are congruent. Thus, we have;
4x + 2 = 7x - 25
Rearrange to collect like terms on same side to get;
7x - 4x = 25 + 2
3x = 27
x = 27/3
x = 9
The mistake that Maggie made is that she did use the proper operation sign when rearranging the numbers.
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Help on these please
Answers
Answer:
a)16777216
b)279936
c)32768
d)49
Plss mark as brainliest
Answer:
ok!
a) 4^9 ×4^3=4^9+3=4^12
b) 6^5 ×6^2=6^5+2=6^7
c) 8^6 ÷8=8^6-1 =8^5
d) 7^8÷7^6=7^8-6=7^2
Pls mark me as brainliest.
I answered first.
Step-by-step explanation:
It's simple!
If there is multiplication, add the powers.
If there is division, subtract the powers.
Simplify the expression.
3(−6+2 ÷ 4) - 72²
Answers
Using the figure below, Maggie used the definition of vertical angles to help her solve for x. Since vertical angles are congruent, she set the two given expressions equal to each other. After solving for x, her teacher said she got the wrong value for x. Explain where Maggie made her mistake when solving for x.
Answers
Maggie's mistake on the solution of the expression for x was when she subtracted 7x to both sides, the result should have been -3x and not 3x.
What is the solution for the equation?The equation is given as follows, as the angles are congruent, that is, they have the same measure:
4x + 2 = 7x - 25.
First, we isolate x on the left side of the equality, subtracting 7x from both sides, hence:
4x + 2 - 7x = 7x - 25 - 7x
Then the correct expression is:
-3x + 2 = -25
Which is where Maggie's mistake happened, on the subtraction of 4x and 7x.
Then, isolating x, we subtract 2 from both sides of the equality, to remove the +2 term on the left side of the equality.
-3x = -27
3x = 27
x = 27/3
x = 9.
The correct solution is x = 9.
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A school wants to create a census to identify the favorite subject of students. Which description describes who they should ask?
all students their favorite subject in school
all sophomores their favorite subject in school
all staff their favorite subject in school
all male students their favorite subject in school
Answers
Answer:
all students their favorite subject in school
Amol drives his truck at an average speed of 50 km/h. He leaves at 07 00 and arrives at 11 15. Calculate the distance he drives.
Answers
Answer:
209km/h
Step-by-step explanation:
4hrs 15mins was the time.
4hrs x 50km/h = 200km/h
15 percent of 60: how many minutes is in an hour, is 9.
Hence, The answer would be 209km/h.
Does(3, 1)make the inequality 3x + 10y ≥ 20 true?
Answers
Answer:
See below
Step-by-step explanation:
Plug in x = 3 And y = 1 to see
3(3) + 10(1) >= 20 ?
9 + 10 >= 20?
19 >= 20 Not true ....the point does not make the inequality true
86,794 magazines/day = magazines/week
Answers
86,794(7) = 607,558 magazines/week
34 = -w/7 solve for w
Answers
Answer: w = -238
Step-by-step explanation:
[tex]34=\frac{-w}{7}[/tex]
Switch sides
[tex]\frac{-w}{7} =34[/tex]
Multiply both sides by 7
[tex]\frac{7\left(-w\right)}{7} =34\cdot \:7[/tex]
Simplify
-w = 238
Divide both sides by -1
[tex]\frac{-w}{-1}=\frac{238}{-1}[/tex]
Simplify
w = -238
If I made any mistakes, please let me know!
I hope this helped :)
This morning, the owner of Sam's Spaghetti House withdrew $180 from the restaurant's bank account to pay for an oven repair. This afternoon, he deposited $430 from lunch sales.
What is the total change in the restaurant's bank account relative to where it started
Answers
Answer:
The restaurant is at a profit of $250
Enter the inverse function of f(x) = 15x - 14.
Answers
replace 'x' with 'y'
15y - 14 = x; solve for y
15y = x + 14
y = (x+14)/15