49
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2. The equation x = 3 is graphed on the coordinate plane shown.
a. Graph the line perpendicular to x = 3 that passes
through (-2, 4).
Answers
The linear function y = 4, perpendicular to x = 3, is graphed at the end of the answer.
What is a linear function?A linear function is modeled by the following rule:
y = mx + b
In which:
m is the slope, which is the rate of change, that is, the change in y divided by the change in x.b is the y-intercept, which is the the value of y when the function crosses the x-axis, that is, when x = 0.When two linear functions are perpendicular, they intersect forming an angle of 90º between them.
For this problem, we want a line perpendicular to x = 3.
x = 3 is a vertical line.The line perpendicular to a vertical line is an horizontal line, in the format y = 4.The line passes through (-2,4), with y-coordinate of 4, hence the line is given by:
y = 4.
On the graph given at the end of the answer, it is shown that the two lines are perpendicular, forming an straight angle. The line y = 4 is graphed in blue.
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Related Questions
Ill need asap please
Answers
D. 37.8204
A negative absolute value is always positive.
Answer:
d) 37.8204
Step-by-step explanation:
Given that,
→ |-18.531| + |-19.2894|
Let's solve the problem,
→ |-18.531| + |-19.2894|
→ 18.531 + 19.2894
→ 37.8204
Thus, option (d) is correct.
I don't know the answer
Answers
Answer:
21
Step-by-step explanation:
→ Substitute in the values
3³ + 11 × 2 - ( 4 × 7 )
→ Simplify
27 + 22 - 28
→ Evaluate
21
What are the slope of the two lines?
Answers
you conduct a survey of your small town about having a townwide gargae sale. of those surveyed, 56% are in favor and 44% are opposed. the actual percent could be 5% more or 5% less than the acquired results. write an absolute value equation for the least and greatest percentages that could be opposed. use x for the variable.
Answers
In the given statement is:
You conduct a survey of your small town about having a town wide gargae sale. of those surveyed, 56% are in favor and 44% are opposed. the actual percent could be 5% more or 5% less than the acquired results.
Using the absolute value function, we have that:
A. The least percentage is of 39% and the greatest is of 49%.
B. Since the greatest percentage is below 50%, the statement conflicts with the survey data.
What is the absolute value function?
The absolute function is defined by:
|x| = x, x ≥ 0.|x| = -x, x < 0.It measures the distance of a point x to the origin.
For this problem, the difference between the percentage of opposed and 44% can be of at most 5%, hence the absolute value equation is:
|x - 44| = 5.
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A floor 5m by 20m is covered by square tiles
Answers
The number of tiles is mathematically given as
x=2500Tiles
This is further explained below.
How many tiles are needed??Generally, the equation for the Area of the floor is mathematically given as
A= 20*5
A = 100m^2
Where
20*20=400cm
Therefore no tiles needed is
x=100*10000/400
x=2500Tiles
In conclusion, the number of tiles is
x=2500Tiles
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CQ
\A floor 5m by 20m is covered by square tiles of side 20cm. How many tiles are needed?
solve for r -17= 2/3r
Answers
Answer:r=51
Step-by-step explanation:
Answer:
r = 51
Step-by-step explanation:
r - 17 = [tex]\frac{2}{3}[/tex] r ( multiply through by 3 to clear the fraction )
3r - 51 = 2r ( subtract 2r from both sides )
r - 51 = 0 ( add 51 to both sides )
r = 51
please just solve this, I'm confused.
Answers
The quotient of each of the expressions are:
a. 1⅖ / -1/5 = -7
b. -0.4 ÷ 0.25 = 1.6
c. 7/8 ÷ -3/4 = -7/6
d. 0.7 ÷ -1 1/6 = -0.6
How to Find the Quotient?Quotient is the result you get after dividing one quantity by another. For example, the quotient of a and b is a/b.
Find the given quotient as shown below:
a. 1⅖ / -1/5
Convert mixed fraction to improper fraction
7/5 / -1/5
Change the division sign to multiplication and turn the fraction upside down
7/5 × (-5/1)
= -(7 × 5)/(5 × 1)
= -(7 × 1)/(1 × 1)
= -7/1
= -7
b. -0.4 ÷ 0.25
-0.4/0.25
= 1.6
c. 7/8 ÷ -3/4
Change the division sign to multiplication and turn the fraction upside down
7/8 × -4/3
= -(7/8 × 4/3)
= -(7 × 4)/(8 × 3)
= -(7 × 1)/(2 × 3)
= -7/6
d. 0.7 ÷ -1 1/6
0.7 ÷ -7/6
Change the division sign to multiplication and turn the fraction upside down
0.7 × -6/7
0.1 × -6/1
= 0.1 × -6
= -0.6
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19 1/5 - 11 1/11?????????
Answers
let's firstly convert the mixed fractions to improper fractions and then subtract.
[tex]\stackrel{mixed}{19\frac{1}{5}}\implies \cfrac{19\cdot 5+1}{5}\implies \stackrel{improper}{\cfrac{96}{5}} ~\hfill \stackrel{mixed}{11\frac{1}{11}}\implies \cfrac{11\cdot 11+1}{11}\implies \stackrel{improper}{\cfrac{122}{11}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{96}{5}~~ - ~~\cfrac{122}{11}\implies \stackrel{\textit{using the LCD of 55}}{\cfrac{(11)96~~ - ~~(5)122}{55}}\implies \cfrac{1056~~ - ~~610}{55} \\\\\\ \cfrac{446}{55}\implies {\LARGE \begin{array}{llll} 8\frac{6}{55} \end{array}}[/tex]
Yall I'm really struggling can you help me out
Answers
The quotient 49/109 ÷ 28/37 represents a quotient expression. This is because 49/109 is the dividend and the number 28/37 is the divisor. The quotient of 49/109 ÷ 28/37 is 259/436
How to complete the blanks?The quotient expression is given as
49/109 ÷ 28/37
The above expression is a quotient expression such that
Dividend = 49/109 Divisor = 28/37To calculate the quotient, we start by rewriting the expression as a product
So, we have:
49/109 ÷ 28/37 = 49/109 * 37/28
Divide 49 and 28 by 7
So, we have
49/109 ÷ 28/37 = 7/109 * 37/4
Multiply the numerator and the denominator
So, we have
49/109 ÷ 28/37 = 259/436
Hence, the complete statement is
The quotient 49/109 ÷ 28/37 represents a quotient expression. This is because 49/109 is the dividend and the number 28/37 is the divisor. The quotient of 49/109 ÷ 28/37 is 259/436
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pleaseeee help
round to the nearest decimal point
Answers
Answer:
the answer is 43.1
Step-by-step explanation:
because i searched it up
Help me with my problem please I NEED HELP!!!!!!!
Answers
The second
The correct answer is N ∈ line MN
The third
The correct answer is P ∉ line MN
The fourth
The correct answer is B ∉ line MN
How to interpret the symbolsThe symbols are interpreted as follows
∈ is interpreted as "is a member of"∉ is interpreted as "is not a member of"Given data
line MN
How to describe the location with respect to line MNThe first
It is already given that is M ∈ line MN
point M can be located in line MN
The second
The correct answer is N ∈ line MN
point N can be located in line MN
The third
The correct answer is P ∉ line MN
point P cannot be located in line MN it is off the line
The fourth
The correct answer is B ∉ line MN
point B cannot be located in line MN it is off the line
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Write a polynomial function with rational coefficients and the given roots.
-i, 4 i
Answers
The polynomial function is x²- 3xi + 4
What are polynomial functions ?In mathematics, polynomial function can be defined as the equation which consist of coefficient, variables and exponents. A polynomial equation has positive numbers as their exponent which is also known as its degree. All the equations such as quadratic equation, cubic equation which has non negative number as their powers are part of polynomial equation.
Types of polynomial equations :
Monomial equationBinomial equationCubic EquationsLinear PolynomialQuadratic PolynomialSome examples of polynomial equation are :
2x+53x = 93x² + 5x+19(x-3)³According to question,
roots are -i , 4i
Thus the factors are :
(x - (-i) ) ( x - (4i) )
=> ( x + i )( x - 4i )
=> x²- 4xi + xi - 4i²
=> x²- 3xi + 4 ( as i² = -1)
Thus polynomial function for given roots is x²- 3xi + 4
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ABC=40 and Bd is angle bisector of ABC what is Y= ?
Answers
The measure of angle ABD is 20 degrees and this can be determined by using the properties of the angle bisector.
Given :
ABC = 40 and BD is the angle bisector of angle ABC.
The following steps can be used in order to determine the angle ABD:
Step 1 - According to the given data, BD is the angle bisector of angle ABC.
Step 2 - An angle bisector bisects the angle into two equal parts.
Step 3 - So, the measure of angle ABD is calculated as:
So, the measure of angle ABD is 20 degrees.
Find the total amount given the original price and tax rate. Round to the nearest cent if necessary
$31.69, 6%
Answers
The total amount including the tax rate is found as $34.
What is defined as the percentage?A percentage is a fraction of a whole articulated as just a number between 0 and 100. Nothing is zero percent, everything is 100 percent, half of everything is fifty percent, and nothing is zero percent. To calculate a percentage, divide the fraction of the total by the total and multiply by 100.For the stated conditions in the question.
The original amount = $31.69.
The tax rate is 6%.
The total mount will be the sum of original amount and tax price.
First calculated the tax price;
6% of 31.69 = 6×31.69/100
6% of 31.69 = 1.9014
Tax price = $1.9014.
Total price = original amount + tax price
Total price = $31.69 + 1.9014
Total price = 33.5914
Total price = $34 (Round to the nearest cent.)
Thus, the total amount is estimated as $34.
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Find the area of the polygon with th
Ay
7.
A(-2,3)
-4
C(-2,-3)
4
2
-2
4-
2'
4 X
B(3, -3)
Answers
The area of the triangle is 15 square units after using the distance formula.
What is a distance formula?
It is defined as the formula for finding the distance between two points. It has given the shortest path distance between two points.
The distance formula can be given as:
[tex]\rm d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
It is given that:
The triangle is shown on the coordinate plane.
Using the distance formula:
The height of the triangle:
[tex]\rm AC=\sqrt{(-2+2)^2+(-3-3)^2}[/tex]
AC = 6 units
Again using the distance formula:
[tex]\rm BC =\sqrt{(3-(-2))^2+(-3-(-3))^2}[/tex]
BC = 5 units
The area of the triangle = (1/2)6x5
The area of the triangle = 15 square units
Thus, the area of the triangle is 15 square units after using the distance formula.
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Kinsley went rock climbing at Red River Gorge. At noon, she was at an elevation of 76 feet. Then, she climbed 28 feet higher to reach the peak.
What was Kinsley's elevation at the peak?
Answers
Answer:
Step-by-step explanation:
28 + 76=
104
Her elevation is 104 at the peak.
Consider the equation |4x + 20 = 6x. Without calculating how do you know that x=-2 is an
extraneous solution?
Answers
Without calculating you would that x=-2 is an extraneous solution because an absolute value inequality usually two possible solutions.
Solution of absolute value inequalities
An absolute value inequality is an expression with absolute functions as well as inequality signs. This type of inequality usually have two solutions.
The given equation
|4x + 20| = 6x
The solution to the absolute value inequality above is calculated as follows;
4x + 20 = 6x ------ (1)
-4x - 20 = 6x ------ (2)
from equation (1) above, the value of x is calculated as follows;
2x = 20
x = 20/2 = 10
from equation (1) above, the value of x is calculated as follows;
-10x = 20
-x = 20/10
-x = 2
x = -2
Thus, without calculating you would that x=-2 is an extraneous solution because an absolute value inequality usually two possible solutions.
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Jack is in a marathon. He rides his bike 64 miles in 4 hours. How many miles does Jack ride his bike per hour?
Answers
Answer: 16mph
Step-by-step explanation:
64 miles divided by the 4 hours comes out to 16 per hour
Answer: 16 miles per hour
Show work please and thank you.
Answers
Step-by-step explanation:
2 things to remember :
the sum of all angles in a triangle is ashtrays 180°.
the sum of all angles around a point on one side of a line is also always 180° (because that represents a half-circle).
let's call the 3rd angle in the triangle "innerQ".
so,
180 = (4x + 13) + 19 + innerQ
180 = (7x + 2) + innerQ
as innerQ is also the supplementary angle of 7x + 2.
because of that, we can now say
(4x + 13) + 19 + innerQ = (7x + 2) + innerQ
4x + 13 + 19 = 7x + 2
4x + 32 = 7x + 2
30 = 3x
x = 10
so, the angle S = 4×10 + 13 = 40 + 13 = 53°
How do you solve this −6x−16<2x
Answers
Answer:
x >-2
Step-by-step explanation:
subtract 2x from both sides
-6x - 16 - 2x < 0
subtract 2x from 6x
-8x - 16 < 0
add 16 to both sides
-8x < 16
divide by -8
x> -2
P = IV
●
Here is what you know about the baseball field parking lot situation.
There are 9 lamp posts connected to this circuit.
Each lamp post has a 400 watt lamp installed.
The circuit is 120-volt and 20-amp.
Here is what you don't know, but can figure out:
How many watts does 9
lampposts require?
How many lamposts could this
circuit handle? HELP
Answers
Answer:
1M
Step-by-step explanation:
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what is the inverse of (x) = [tex]\sqrt{x+9}[/tex] x[tex]\geq[/tex] -9
f−1(x)=(x−9)2, x≥9
f to the power of negative 1 end exponent left parenthesis x right parenthesis equals left parenthesis x minus 9 right parenthesis squared, , , x is greater than or equal to 9
f−1(x)=−(x−9)2, x≤9
f to the power of negative 1 end exponent left parenthesis x right parenthesis equals negative left parenthesis x minus 9 right parenthesis squared, , , x is less than or equal to 9
f−1(x)=x2−9, x≥0
f to the power of negative 1 end exponent left parenthesis x right parenthesis equals x squared minus 9, , , x is greater than or equal to 0
f−1(x)=x2−9, x≤0
Answers
The inverse of [tex]f[/tex], denoted [tex]f^{-1}[/tex], is such that
[tex]f\left(f^{-1}(x)\right) = x[/tex]
Given [tex]f(x)=\sqrt{x+9}[/tex], we have
[tex]f\left(f^{-1}(x)\right) = \sqrt{f^{-1}(x) + 9} = x[/tex]
Solve for [tex]x[/tex].
[tex]\sqrt{f^{-1}(x) + 9} = x[/tex]
[tex]\left(\sqrt{f^{-1}(x) + 9}\right)^2 = x^2[/tex]
[tex]f^{-1}(x) + 9 = x^2[/tex]
[tex]f^{-1}(x) = x^2 - 9[/tex]
Note that [tex]f(x)\ge0[/tex], so we must also have [tex]f\left(f^{-1}(x)\right) = x \ge 0[/tex]. This makes the third choice the correct one.
What is 2m to the 4th power times 5m to the second power
Answers
Answer:
hope this helps if this is what you meant
10m6
Step-by-step explanation:
=2*m4*5*m2
=10*m6
=10m6
Tell what point is located at each ordered pair.
1. (3,-2)
4. (-7,-8).
2. (2,3)
5. (-4,4)
3. (-5,5)
6. (-5,0)
Answers
2. (-7 , -8)
3. (-5 , 5)
4. (-7, -8)
5. (-4 , 4)
6. (-5, 0)
The first number is the one on the bottom, the number after is the one that goes up.
The equation shown has a missing value. Answer parts a through c.
Answers
In linear equation, the missing value is a 16.
According to the statement
We have to find that the value of the linear equation.
So, For this purpose, we know that the
The definition of a linear equation is an algebraic equation in which each term has an exponent of one and the graphing of the equation results in a straight line.
From the given information:
It is given that:
The equation shown includes a missing value.
-2(2x - ?) + 1 = 17 - 4x
Applying the distributive property:
-4x + ? + 1 = 17 - 4x
? + 1 = 17
There aren't any values that the equation has only 1 solution or unique solutions.
For no solution the missing value are often anything except 16
? + 1 = 17
? = 17 - 1
? = 16
Thus, there aren't any values that the equation has just one solution for no solution the missing value are often anything except 16.
So,In linear equation, the missing value is a 16.
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Disclaimer: This question was incomplete. Please find the full content below.
Question:
The equation shown has a missing value. -2(2x-?)+1=17-4x. For what missing value(s), if any, does the equation have exactly one solution?For what missing value(s), if any does the equation have no solution?
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A cell phone company charges its customers $40 each month for owning a cell phone plan and $0.25 for
each minute the customer talks on the phone. These costs are modeled by the following equation:
C=25m +40, where Crepresents the total cost of the bill and m represents the number of minutes the
customer talked on the phone that month. Given this equation, how many minutes would the customer
have to talk on the phone for their monthly bill to be $84.25? (Hint: plug in 84.25 for the total cost, C, and
solve for the unknown, m).
Answers
Answer:
The customer would have 177 minutes to talk on the phone for their monthly bill to be 84.25
Step-by-step explanation:
Point of correction it's not C=25m +40 but it is
C=0.25m +40
Where,
C = $84.25➟ 84.25 = 0.25m + 40
Let's solve your equation step-by-step.
84.25=0.25m+40
Step 1: Flip the equation.
0.25m+40=84.25
Step 2: Subtract 40 from both sides.
0.25m+40−40=84.25−40
0.25m=44.25
Step 3: Divide both sides by 0.25.
0.25m/0.25 = 44.25/0.25
m=177
∴ The customer would have 177 minutes to talk on the phone for their monthly bill to be 84.25
In an inverse variation,y = 4when x = 2.Write an inverse variatione quation thats hows there relationship between x and y . Write the equation using a decimal or an integer.
Answers
When y = 4 and x = 2, the inverse variation equation is y = 8/x
What is inverse variation?Inverse variation is variation in which the relationship between two variables is an inverse one. That is, while one variable increases, the other decreases.
How to write an inverse variation equation that shows there relationship between x and y.Given that in an inverse variation, y = 4 when x = 2. Since y and x have an inverse relationship, we have that
y ∝ 1/x, this implies that
⇒ y = k/x where k = constant of proportionality
Now, given that in an inverse variation, y = 4 when x = 2. Substituting the values of y and x into the equation, we have that
y = k/x
4 = k/2
k = 4 × 2
k = 8
So, susbstituting k = 8 into the equation for y, we have
y = k/x
y = 8/x
So, the inverse variation equation is y = 8/x
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Cara used 4 1/6 sheets of construction paper to make 1/6 of her poster borad project. At that rate, how many sheets will she use for the whole project?
Answers
Based on the number of sheets of construction paper that Cara uses to make 1/6 of her project, the number of sheets for the whole project would be 25 sheets
How to find the number of sheets needed?Cara will use 4¹/₆ sheets of construction paper for 1/6 of her poster board project so to find the sheets needed for the whole project, use direct proportion.
4¹/₆ sheets of construction paper : 1/6 of project
x sheets of construction paper : 1
1/6 × x = 4¹/₆
1/6x = 4¹/₆
x = 4¹/₆ ÷ 1/6
x = 25/6 x 6/1
x = 25 sheets
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17. Callie's cat lost 41/2 pounds before having
surgery. Two weeks after having surgery, her
cat gained 2 7/8 pounds. What was the total
change in weight of Callie's cat?
Answers
The total change in the weight of Callie's cat will be - 1 5/8 pounds.
Callie's cat lost weight = 4 1/2 pounds
Lost = 9 / 2 pounds
Cat gained the weight = 2 7/8 pounds
Gained = 23 / 8 pounds
Net change = - 9 / 2 pounds + 23 / 8 pounds
= - 36 / 8 pounds + 23 / 8 pounds
= - 13 / 8 pounds
= - 1 5/8 pounds
She lost the net weight of 1 5/8 pounds.
Therefore, the total change in the weight of Callie's cat will be - 1 5/8 pounds.
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What is the x value of the solution to the system shown?
2y = 2x + 12
2-y=4
Answers
Answer:
[tex]x = -8[/tex]
Step-by-step explanation:
[tex]\begin{cases}2y = 2x + 12\\2-y = 4\end{cases}[/tex]
It would be easier to start with the second equation.
[tex]2 - y = 4 \text{ // Add y and subtract 4}\\\to 2 - y - 4 = 4 - y - 4\\\to -2 = y[/tex]
From here, we can substitute [tex]y = -2[/tex] into the first equation, to solve for [tex]x[/tex].
[tex]2(-2) = 2x + 12\\\to -4 = 2x + 12 \text{ // Subtract 12 on both sides}\\\to -4 - 12 = 2x + 12 - 12\\\to -16 = 2x \text{ // Divide by 2}\\\to -\frac{16}2 = \frac{2x}2\\\to -8 = x[/tex]