The inverse of any function F(x) is also a function.
A function is an abecedarian notion in mathematics and computer programming. In both contexts, a function is a regulation or relationship that maps input values to corresponding output values. It takes one or more input values, performs a set of operations or calculations, and produces a single output value.
There are many types of functions such as trigonometric function, logarithmic function, exponential function, and so on.
If a function f(x) gives output y then its inverse will be [tex]f^{-1}(y)[/tex] and will return x as output.
So, the statement is true.
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M(-5, 4)
L(-4,2)
-4
L'(-4,-2)
M'(-5,-4)
-→-2
4
y
N'-2-3)
2
What is the rule for the reflection?
rx-axis (x, y) → (x, y)
->
ry-axis (x, y) → (x, y)
rx-axis(x, y) → (x, -y)
ry-axis (x,y) → (x, -y)
The rule for the reflection of the pre-image M(-5, 4), L(-4, 2), N(-2, 3), to form the image M'(-5, -4), L'(-4, -2), N'(-2, -3) is the option;
rx-axis(x, y) → (x, -y)Which method can be used to find the rule for the reflection?The given pre-image points are;
M(-5, 4)L(-4, 2)Possible third point; N(-2, 3)
The image points are;
M'(-5, -4)M'(-5, -4)L'(-4, -2)M'(-5, -4)L'(-4, -2)N'(-2, -3)The difference (change) between the pre-image and the image is a change in the sign of the y-value, which is equivalent to a reflection across the x-axis.
Therefore;
rx-axis M(-5, 4) → M'(-5, -4)rx-axis L(-4, 2) → L'(-4, -2)rx-axis N(-2, 3) → N'(-2, -3)The rule for the reflection is therefore;
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find the value of x , thank you so much
Answer:
x = 40
Step-by-step explanation:
All angles in a triangle add up to 180
(3x-10) + 30 + x = 180
4x = 160
x = 40
Answer: x = 40
Step-by-step explanation:
All the interior angles of a triangle add up to 180°
Therefore,
30 + 3x - 10 + x = 180
30 + 4x - 10 = 180
20 + 4x = 180
4x = 160
x = 40
Find b. B= help me please thank you so much :)
Step-by-step explanation:
I assume that DF and DQ are tangents to the circle.
angle FGQ = 268°
therefore, angle FQ = 360 - 268 = 92°
b = 1/2 × (angle FGQ - angle FQ) = 1/2×(268 - 92) =
= 1/2 × 176 = 88°
two card are drawn from a well shuffled deck of 51 cards. find the probability thst both cards are king( the first card is not replaced by drawing a tree diagram )
Answer: P(A)=4/425≈0,0094.
Step-by-step explanation:
[tex]P(A)=\frac{C_4^1*C_3^1}{C_{51}^2} .[/tex]
The desk has 4 kings.
First card is drawn from a well shuffled deck is a card of king. ⇒
[tex]C_4^1=\frac{4!}{(4-1)!*1!} =\frac{3!*4}{3!*1}=4.[/tex]
Second card is drawn from a well shuffled deck is a card of king too. ⇒
[tex]C_{4-1}^1=C_3^1=\frac{3!}{(3-1)!*1!}=\frac{2!*3}{2!*1}=3.\\ The \ desk\ has\ 51\ card.\ \ \ \ \Rightarrow\\C_{51}^2=\frac{51!}{(51-2)*2!}=\frac{49!*50*51}{49!*1*2} =51*25=1275.\\ P(A)=\frac{4*3}{1275} =\frac{4}{425} \approx0,0094.[/tex]
Raj was friends with his waitress so he left her a 90 percent tip.
Percents
Total
90%
10%
100%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
x
If his tip was $27.54, what is the value of x in the table above?
The value on the table above will be $30.6. Then the correct option is D.
What is the percentage?The quantity of anything is stated as though it were a fraction of a hundred.
Raj was friends with his waitress, so he left her a 90 percent tip.
If his tip was $27.54.
Then the value in the table above will be
⇒ $27.54 / 0.90
⇒ $30.6
Then the correct option is D.
The complete question is given below.
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A telephone pole has a wire attached to its top that is anchored to the ground. the distance from the bottom of the pole to the anchor point is 68 feet less than the height of the pole. if the wire is to be 4 feet longer than the height of the pole, what is the height of the pole?
The height of the pole is 96 feet
In mathematics, the Pythagorean theorem, or Pythagoras' theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares on the other two sides. This theorem can be written as an equation relating the lengths of the legs a, b and the hypotenuse c, often called the Pythagorean equation:[1]
[tex]a^{2}+b^{2}=c^{2},[/tex]
Create a diagram of the scenario first. You would have a right triangle with a hypotenuse (longest side) of h + 4, a longest leg of h - 68, and one leg of length h to represent the pole.
Set up the equation [tex]h^2 + (h - 68)^2 = (h + 4)^2[/tex] using the Pythagorean theorem ([tex]a^2 + b^2 = c^2[/tex]).
[tex]h^2 + (h - 68)^2 = (h + 4)^2[/tex]
On simplifying we get
[tex]h^2+h^2-136h+4624 = h^2+8h+16[/tex]
[tex]2h^2-136h+4624=h^2+8h+16[/tex]
[tex]h^2-144h+4608=0[/tex]
Solving using quadratic formula
[tex]h_{1,\:2}=\frac{-\left(-144\right)\pm \sqrt{\left(-144\right)^2-4\cdot \:1\cdot \:4608}}{2\cdot \:1}[/tex]
[tex]h_1=\frac{-\left(-144\right)+48}{2\cdot \:1},\:h_2=\frac{-\left(-144\right)-48}{2\cdot \:1}[/tex]
h1 = 96 feet , h2 = 48 feet
If height would have been 48 feet then the other side would have a negative value as as 48 - 68 = -20 .
Hence the height of the pole is 96 feet
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Will the store manager meet her goal if the sales team sells 80 tablets and 10 laptops? If so, explain If not find how many more tablets need to be sold to meet the goal.
The store manager would reach his goal of $20,000 if the sales team sold 80 tables and 10 laptops.
How to know if the store manager achieves his goal?To calculate if the store manager achieves its goal, we must perform the following operations:
80 × $200 = $16,00010 × $400 = $4,000$16,000 + $4,000 = $20,000According to the above, sales do reach the goal if 80 tablets and 10 laptops are sold.
Note: This question is incomplete because there is some information missing. Here is the missing information:
A computer store sells both tablets and laptops. One brand of tablet costs $200. That same brand of laptop costs $400. The store manager wants to sell enough of this brand of tablets and laptops to reach the sales goal of $20,000.
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What is the value of the expression below?
Answer: 6
Step-by-step explanation:
This is a direct application of the exponent rule [tex](a^b)^c=a^{bc}[/tex].
The equation of a line is -2x+5y=-20.
What is the x-intercept of the line?
The x intercept of the given line is (10, 0)
Finding the x intercept of a lineThe x intercept of a line is the point where the line crosses the x-axis
It is the point where the value of y is zero
Given the equation of a line -2x+5y = -20
Substitute y = 0 into the equation
-2x +5(0) = -20
-2x = -20
x = 10
Hence the x intercept of the given line is (10, 0)
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What is Z in the equation
360 ÷ z = 12
Answer:
z = 30
Step-by-step explanation:
→ 360 ÷ z = 12
→ 360/z = 12
→ 12z = 360
→ z = 360/12
→ [ z = 30 ]
Hence, the value of z is 30.
Answer:you have to isolate z,make z the subject.
Step-by-step explanation: z=360 multiply by 12,
giving us 4320.z=4320,i mean thisis the answer you have to stick with if u want to find a value for z.
step by step;z/360=12
z=360 into 12
z=4320
how do i solve this?
Answer:
mode: number that appears most
mode=4 and 7
mean: =3+4+5+6+7+8+9+10+11÷9=7
so mean is 7
Could someone quickly sum up how to calculate probability? I’m taking a course on it and don’t understand.
Answer:
Divide the number of events by the number of possible outcomes. After determining the probability event and its corresponding outcomes, divide the total number of ways the event can occur by the total number of possible outcomes. For instance, rolling a die once and landing on a three can be considered one event.
Step-by-step explanation:
for more information check the above attachment
Please help
Find the length of side x in simplest radical form with a rational denominator
By using trigonometric relations, we will see that:
x = √3
How to find the value of x?In the image, we can see a right triangle, where the hypotenuse measures √6, and the two legs have the same measure.
Then this is a 45°, 45°, 90° right triangle.
Then we can use the relation:
cos(a) = (adjacent cathetus)/(hypotenuse).
Where a = 45°, adjacent cathetus = x, hypotenuse = √6
Replacing that, we get:
cos(45°) = x/√6
Remember that cos(45°) = 1/√2
Replacing that we get:
1/√2= x/√6
√6/√2 = x
√(6/2) = x
√3 = x
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Name the shape below.
1. irregular pentagon
2. irregular quadrilateral
3. irregular octagon
4. irregular hexagon
Answer:
3
Step-by-step explanation:
Irregular pentagon since it has 5 sides
Answer:
irregular pentagon
(first option listed)
Step-by-step explanation:
This shape still has five sides--making it a pentagon. Because the angles are not exactly the same, and so the side lengths are also not equal, we name it an "irregular" pentagon.
hope this helps! have a lovely day :)
Angela and Michelle shared some money in the ratio 4: 9 then Angela gave Daniel half her share.Michelle gave Daniel a third of her share. Daniel was given a total of £20. Work out how much money was originally shared.
Using a system of equations, it is found that £52 was originally shared.
What is a system of equations?A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are given as follows:
Variable x: Angela's share.Variable y: Michelle's share.Variable z: Daniel's share.Angela and Michelle shared some money in the ratio 4: 9, hence, considering t as the total:
[tex]x = \frac{4t}{13}[/tex].[tex]y = \frac{9t}{13}[/tex]Angela gave Daniel half her share.Michelle gave Daniel a third of her share. Daniel was given a total of £20, hence:
[tex]\frac{x}{2} + \frac{y}{3} = 20[/tex]
[tex]\frac{4t}{26} + \frac{9t}{39} = 20[/tex]
[tex]\frac{12t + 18t}{78} = 20[/tex]
30t = 20 x 78
t = 20 x 78/30
t = £52.
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Ratio?
Help please thanks
Answer: 4:9
Step-by-step explanation:
The ratio of the surface areas is the square of the ratio of the edge lengths.
A number m is formed by writing all the prime numbers between 0 and 10 in ascending order. another number n is formed by writing all the square numbers between 0 and 10 in descending order: a)find m -n b)express(m-n) as a product of its prime factors
Answer:
(a) 1416
(b) 2 × 2 × 2 × 3 × 59
Step-by-step explanation:
The prime numbers between 0 and 10 are 2, 3, 5,7 (1 is not considered prime)
Therefore m = 2357
The square numbers between 0 and 10 are 1, 4, 9 and in descending order 9,4.1so n = 941
m - n = 2357 - 941 = 1416
Unique prime factors of 1416 are 2,3,59
1416 as a product of prime factors = 2 × 2 × 2 × 3 × 59
Which variable expression represents the phrase “the quotient of 5 times a number and 2”?
Answer:
5x/2
Step-by-step explanation:
Say the mystery number is "x"
5 times that = 5 * x = 5x
Then the quotient (that means the result of division, so divide!) of that and 2 would give you: 5x/2
What are the solutions of this quadratic equation?
x²+2x = -2
O A.
OB.
O C.
O D.
X = 1 ti
x= -1 ti
X = 0
X= ti
Answer:
The answer might be C.(x=0)
Please answer correctly
[tex]\displaystyle\lim_{t\to \infty}(20+100(0.3)^{0.2t})=20+100\lim_{t\to \infty}0.3^{0.2t}=20+100\cdot 0=20[/tex]
Which statements are true? Check all that apply. 0 is greater than Negative two-thirds. Two-thirds is equal to Negative two-thirds. Negative 1 less-than negative one-third Negative two-thirds greater-than one-third Negative one-third greater-than negative two-thirds
The following statements are true:
0 is greater than negative two-thirdsNegative 1 is less than negative one-thirdNegative one-third greater-than negative two-thirdsWhat is a negative number?A negative number in mathematics is any number that is less than zero i.e. x < 0.
This means that zero is greater than any negative number.
However, the higher the digit of a negative number, the smaller that number becomes. It is opposite of positive numbers or integers.
Therefore, the following statements are true:
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2(-5x+4)+4x-5= -3
SOLVE FOR X please
[tex]\huge\text{Hey there!}[/tex]
[tex]\huge\textbf{Equation:}[/tex]
[tex]\mathbf{2(-5x + 4) + 4x - 5 = -3}[/tex]
[tex]\huge\textbf{Solving for it:}[/tex]
[tex]\mathbf{2(-5x) + 2(4) + 4x - 5 = -3}[/tex]
[tex]\mathbf{-10x + 4 + 4x - 5 = -3}[/tex]
[tex]\huge\textbf{Combine the like terms:}[/tex]
[tex]\mathbf{(-10x + 4x) + (8 - 5) = -3}[/tex]
[tex]\mathbf{-10x + 4x + 8 - 5 = -3}[/tex]
[tex]\mathbf{-6x + 3 = -3}[/tex]
[tex]\huge\textbf{Subtract \boxed{\bf 3} to both sides:}[/tex]
[tex]\mathbf{-6x + 3 - 3= -3 - 3}[/tex]
[tex]\huge\textbf{Simplify it:}[/tex]
[tex]\mathbf{-6x = -3 - 3}[/tex]
[tex]\mathbf{-6x = -6}[/tex]
[tex]\huge\textbf{Divide \boxed{\bf -6} to both sides:}[/tex]
[tex]\mathbf{\dfrac{-6x}{-6} = \dfrac{-6}{-6}}[/tex]
[tex]\huge\textbf{Simplify it:}[/tex]
[tex]\mathbf{x = \dfrac{-6}{-6}}[/tex]
[tex]\mathbf{x = -6\div-6}[/tex]
[tex]\mathbf{x = 1}[/tex]
[tex]\huge\textbf{Therefore, your answer should be:}[/tex]
[tex]\huge\boxed{\mathsf x =\frak{1}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
2.
MNOP is a tetrahedron. Given that the volume of tetrahedron is 75 m²
and the area of the base is 25 m². Find the height of tetrahedron.
Answer: 9 m
Step-by-step explanation:
[tex]75=\frac{1}{3}(25)(h)\\\\h=\frac{75}{25/3}=9[/tex]
O is the centre of the circle shown below.
Line DHG is a tangent to the circle.
Work out the size of angle a. Justify your answer.
[tex]\angle EHF=90^{\circ}[/tex] (an angle inscribed in a semicircle is a right angle)
[tex]\angle HEF=38^{\circ}[/tex] (alternate segment theorem)
[tex]a=52^{\circ}[/tex] (angles in a triangle add to 180 degrees)
Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.
18 x minus 15 = 72
50 x minus 25 = 72
18 x minus 9 = 72
3 (6 x minus 3) = 72
x = 4.5
The equivalent expressions are 3(6x - 3) = 72 and 18x - 9 = 72
Equations and expressionsGiven the equation below as shown;
3/5(30x - 15) = 72
Expand
3/5(30x) - 3/5(15) = 72
90x/5 - 15/5 = 72
3(6x - 3) = 72
Expand
18x - 9 = 72
Hence the equivalent expressions are 3(6x - 3) = 72 and 18x - 9 = 72
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i am not able to solve this problem
First, 0.0004853 is < 1, so we need to multiply the number by 10 to a negative power if it's greater than 1 (if that makes sense i cant describe it better)
So, b and c is incorrect.
10 to the power of negative 4 = 0.0001, and 4.853 x 0.0001 = 0.0004853 (true), so answer is a
Answer:
a
Step-by-step explanation:
a number expressed in standard form is
a × [tex]10^{n}[/tex]
where 1 ≤ a < 10 and n is an integer
given
0.0004853 ( place the decimal point after the 4 )
= 4.853 × [tex]10^{n}[/tex]
to place the decimal point in its original position we require to shift it 4 places left , denoted by - 4 on the exponent , that is
0.0004853 = 4.853 × [tex]10^{-4}[/tex]
Convert this rational number to its decimal form and round to the nearest thousandth 5/7
The rational number, 5/7 converted to a decimal is 0.714.
What is the decimal?A rational number is a number that can be expressed as a fraction of two integers.
A decimal is a non-integer in which the integers are separated from the non integers by a point. In order to convert the fraction to a decimal, divide the numerator by the denominator.
5/7 = 0.714
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If a ∥ b and b ⊥ y, then _____
a ∥ y.
a ⊥ y.
x ∥ y.
x ⊥ a.
The line b is perpendicular to the line y, then the line a will also perpendicular to the line y. Then the correct option is B.
What is Geometry?It deals with the size of geometry, region, and density of the different forms both 2D and 3D.
If the line a is parallel to the line b, then the slope of the line a and b will be same.
The line b is perpendicular to the line y, then the line a will also perpendicular to the line y.
Then the correct option is B.
The diagram is given below.
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I need help ASAP !?!?!?!?!!?!?!!??!
Answer:
First, do 15/12 then take that and divide by 500!
Step-by-step explanation:
Which of the following is the equation for the graph shown
Step-by-step explanation:
if the area of each face of a cubical solid is 1764 CM square find its length