Answer:
[tex] \frac{1}{18} [/tex]
Step-by-step explanation:
[tex] \frac{1}{4} \times \ \frac{2}{9} \\ \frac{1}{18} [/tex]
Which relation is a function?
o {(4,0),(4,1),(4,2), (4,3)}
o {(7,4), (8,8), (10,8), (10,10)}
o {(-1,3), (-2,6),(0,0),(-2,-2)}
o {(2,2), (1,1),(0,0), (-2,-2)}
Given:
Different relations in the options.
To find:
The relation which is a function.
Solution:
A relation is a function if there exist unique output for each input value. In other words, there exist only one y-value for each x value.
In option A, [tex]y=0,1, 2, 3[/tex] for [tex]x=4[/tex]. So, this relation is not a function.
In option B, [tex]y=8, 10[/tex] for [tex]x=10[/tex]. So, this relation is not a function.
In option C, [tex]y=6, -2[/tex] for [tex]x=-2[/tex]. So, this relation is not a function.
In option D, all x-values are different. So, their exist unique output for each input value. It means this relation is a function.
Therefore, the correct option is D.
I’m confused.. please help me
Answer:
It's [tex]3x^4+22x^3+31x^2-6[/tex]
Step-by-step explanation:
Area is L times width
LW=H
and the length is [tex]3x^2+4x-1[/tex] times the width [tex]x^2+6x+3[/tex]
basically you multiply yhem togetheer and combine like terms and voila
The answer is 3x^4 + 24x^2 - 6
explanation:
A = l × w
= (3x^2+4x-2)(x^2+6x+3)
=(3x × x) + (4x×6x) + (-2×3)
= 3x^2 + 24x^2 - 6
How many t-shirts did the company purchase if their total cost was $100? Explain how you found your answer.
Please help me Thanks
Please help I need help
Answer:
x=10
Step-by-step explanation:
To solve for x, you need to draw an imaginary line connecting the right end of side x to the left side with length 15. This forms a triangle with side lengths 6 and 8, and hypotenuse x. Using the Pythagorean Theorem to solve for x, we get 6^2 + 8^2 = x^2, 36 + 64 = 100, [tex]\sqrt{100}[/tex] = 10.
Answer:
It's 10
Step-by-step explanation:
C^2=A^2+B^2blank
C=√(A^2+B^2)
If c is x and a and b are the side lengths the we can use Pythagoras's theorem to calculate the length of the line. A=6 B=8 and in the end when you calculate all that doohickey stuff you get x=10
Divide: 5 + 2i by 3 + 4i.
Answer:
1-2i
Step-by-step explanation:
Divide: 5 + 2i by 3 + 4i.
Given data
5 + 2i by 3 + 4i.
We have the expression as
(5 + 2i)/(3 + 4i)
Rationalize the denominator
(5 + 2i)/(3 + 4i)* (3 -4i)/(3 -4i)
=(5*3-20i+6i-8i^2)/9-12i-12i+16i^2
=15-14i+8/9-16
=7-14i/-7
=1-2i
Keisha has a rug in the shape of a rectangle that she wants to put in her bedroom. The rug has an area of 6 square meters. She wants to see if it will fit in the space she has in her bedroom. If the rug has a height of 2.5 meters, what is the base of the rug?
The rug has a base of ____ meters.
Answer:
2.4
6 divided by 2.5= 2.4
Step-by-step explanation:
Hope this is correct, if not feel free to let me know and I can fix it. I'm sorry in advance if it is incorrect.
Answer:
The answer is indeed 2.4:
Step-by-step explanation:
the function f(x) and g(x) are graphed of the set of aces below. for which value of x is f(x)≠g(x)
Answer:
[tex]f(x)\neq g(x)[/tex]
[tex]when ~x=3[/tex]
[tex]So, the ~third~ option~is ~your~ answer[/tex]
-----------------------hope it helps...have a great day!!I NEED HELP ASAP!!!!!Find the value of x in the triangle shown below. 9 8
Answer:
x = √17 exact answer
x ≈ 4.12 decimal approximation
Step-by-step explanation:
a² + b² = c²
x² + 8² = 9²
x² + 64 = 81
x² = 17
Take the square root of both sides
x = √17 exact answer
x ≈ 4.12 decimal approximation
SOMEONE HELP, I HAVENT BEEN PAYING ATTENTION TO CLASS
Answer:
A=4cm
ok to do this we do the formula
A=PiR^2
A=3.14*4^2
A=3.14*16
A=50.24
and the area of circle B is 4 times the area of a so
50.24*4=200.96
200.96=3.14*X^2
Since r is on the right side of the equation, switch the sides so it is on the left side of the equation. 3.14 ⋅ r 2 = 200.96 Divide each term by 3.14 and simplify.
r 2 = 64
r=8
CIRLCE A=50.24
CIRLCE B=8
Which cone has a volume of 24 x cm?
Answer:
cone a is the correct answer
the third choice is the cirrect answer.
the cone with a 4.5 cm height and a 8cm diameter
hope this helps :)
Help
!!!!!!!!!!!!!!!!!!!
Answer:
[tex] \frac{1}{5} \times \frac{1}{5} \times \frac{1}{5} = \frac{1}{125} [/tex]
Round off 2/3 correct to 2 significane figures
=====================================================
Explanation:
Use of a calculator will show that
2/3 = 0.6666...
where the 6's go on forever. Your teacher only wants 2 significant figures though. That means you'll round to the nearest hundredth to get 0.67
The 0 to the left of the decimal point is not a significant figure. The reason being is because we can rewrite 0.67 into 6.7*10^(-1); we can see the coefficient 6.7 having two sig figs.
Un hombre compra un caballo por 50 dolares. Vende el caballo por 70 dolares. Despues vuelve a compar el caballo por 80 dolares. Y vuelve a venderlo de nuevo por 90 dolares. Al final, ¿cuanto obtuvo de ganancia?
Answer:
30 dólares es la ganancia neta.
Step-by-step explanation:
En la primera transacción, el hombre está perdiendo 50 dólares:
1. -50 dólares
En la segunda transacción, el hombre gana 70 dólares:
2. -50 + 70 = +20 dólares
En la tercera transacción pierde 80 dólares:
3. 20 - 80 dólares = -60 dólares
Y en la última transacción, la ganancia es de 90 dólares. Así, la ganancia neta es:
4. -60 dólares + 90 dólares =
30 dólares es la ganancia netahelp please asap I NEED THE WORKING TOO!!!!!!!
Answer:
9/7 =a
Step-by-step explanation:
9 / -a + 15 = 8
Subtract 15 from each side
9 / -a + 15 -15 = 8-15
9 / -a = -7
Multiply each side by -a
9/-a * -a = -7 * -a
9 =7a
Divide each side by 7
9/7 = 7a/7
9/7 =a
Answer:
9 / 7 = a
Step-by-step explanation:
9 / - a + 15 = 8
Determined the defined range
9 / ( - a ) + 15 = 8 , a ≠ 0
subtract 15 from each side
9 / - a + 15 - 15 = 8 - 15
calculate the difference
9 / - a = - 7
multiply both side of equation by - a
9 / - a × - a = - 7 × - a
9 = 7 a
divide each side by of equation by 7
9 / 7 = 7 a / 7
9 / 7 = a
I’m very confused with questions and I need help
Both equations represent straight lines
The first line has slope of 2 and y-intercept at -3
The second line gas slope of 2 and y-interceot at +3
you may now try to plot these two lines on the paper
I could use some help on this
Answer: B: 1/8
Step-by-step explanation: the formula for volume of a cube is a^3, so I 1/2^3 = 1/8
your answer is B: 1/8
the diameter of a circle is 18 centimeters. What is the area? Give the exact answer in simplest form
Answer:
254.47
Step-by-step explanation:
Formula is pi r^2
the radius is 9 which is half of the diameter
pi 9^2
Factor completely. x2−6x+8 Enter your answer in the boxes. x2−6x+8= ( )( )
plzzzzzzzzzzzzzz helpppppppppppppppppppppppp
Answer:
(x - 4)(x - 2)
Step-by-step explanation:
x² - 6x + 8
x² - 2x - 4x + 8
x(x - 2) - 4(x - 2)
(x - 4)(x - 2)
Step-by-step explanation:
(x-4)(x-2)=0
x2-2x-4x+8=0
x2-6x+8=0
Explain how to find the percent for a fraction that does not have a denominator which is a factor of 100
Answer: Use division to convert the fraction to a decimal: 1/4 = 1 ÷ 4 = 0.25.
Multiply by 100 to get percent value: 0.25 × 100 = 25%
Step-by-step explanation:
⚠️❗️⚠️❗️⚠️❗️10 POINTS, PLEASE HELP ASAP. I NEED THE ANSWER TO THE PROBLEM ANSWERED BELOW ⚠️❗️⚠️❗️⚠️❗️
What is the area❓ No links or troll answers you’ll be reported
Answer:
103
Step-by-step explanation:
Find the area of the rectangle on the top
A = 7*13 = 91
Now find the area of the rectangle on the bottom
13 - (5+5) = 3
11-7 = 4
The dimensions of the bottom rectangle are 3 by 4
A = 3*4 = 12
The total area is 91+12 = 103
PLEASE HELP!!! DUE IN A FEW MINUTES!!!
write the coordinates of the shape after a reflection over the purple line.
Answer
V (-15,5)
S (-9,2)
T(-14,2)
U (-20,5)
your welcome:)
please help me I have to send at 5 o clock to my teacher please I can't answer it please
Answer:
5. [tex]\frac{-19}{1}[/tex], [tex]\frac{27}{1}[/tex], [tex]\frac{71}{1}[/tex], [tex]\frac{-101}{1}[/tex]
6. [tex]\frac{1000}{99999}[/tex]
7. [tex]\frac{7}{4}, 0[/tex] [tex]\frac{-5}{7} ,\frac{-12}{5}, \frac{-13}{9}, \frac{-18}{7} ,\frac{-95}{116}, \frac{-1}{9}[/tex]
8. (ii) [tex]\frac{9}{8}[/tex]
9. (iv) [tex]\frac{-115}{-197}[/tex]
10. (i) true, (ii) true, (iii) false
Step-by-step explanation:
Check all that apply: Which similarity statements are true?
Answer:
B and C
Step-by-step explanation:
Which functions are even?
Answer:
Step-by-step explanation:
First function: even, because both exponents are even; graph is symmetric about the x-axis
Second function: mixture of even and odd exponents: not even
Third function: This is the square root of x - 2; not even
Fourth function: |x| is even; graph is symmetric about the x-axis
quinn and randy both opened savings accounts with $50. Quinn deposited $25 each week for 4 weeks . randy deposited more than $25 each week for 4 weeks
which graph could represent randy’s total savings during 4 weeks ?
A
B
C
D
Which expression is equivalent to -10x + 5?
Find the total area for the composite figure below
Area of triangle + rectangle
= 1/2× 9×4 + 9×6
= 18+ 54
= 72
Answer:
72 units²
Step-by-step explanation:
A(Triangle) = 1/2(9)(4) = 18 units²
A(Rectangle) = 9(6) = 54 units²
A(Figure) = 18 + 54 = 72 units²
A quantity with an initial value of 670 decays continuously at a rate of 25% per hour.
What is the value of the quantity after 7 hours, to the nearest hundredth?
Answer:
89.43
Step-by-step explanation:
a = 670 * (1 * .25)^7
a = 670 * (.75)^7
a = 89.43
Construct the 95% confidence interval estimate of the mean VAS score for patients given the magnet treatment. Find the Standard error and critical value. construct the 95% confidence interval estimate of the mean VAS score for patients given the sham treatment. You may do the shortcut.
Answer:
(3.442 ; 6.558)
Step-by-step explanation:
Given :
Mean score after patient is given the magnet treatment :
Mean score, xbar = 5
Standard deviation, s = 2.4
Sample size, n = 20
The confidence interval :
Mean ± margin of error
Margin of Error = Tcritical * standard error
The critical value at 95%, df = 20 - 1 = 19
Tcritical = 2.093 (T-student distribution)
The standard error = s/√n = 2.4 / √20 = 0.5367
The margin of error = 2.903 * 0.5367 = 1.558
The confidence interval :
Xbar ± Margin of error
5 ± 1.558
(3.442 ; 6.558)
