* URGENT * Given f(x) = 6(2-x), what is the value of f(-8)?
open ended question
Answer:
f(-8) = 60Step-by-step explanation:
When we are given a function in this format, we substitute the x value in the equation. F(x) is simply another way of saying y.
if x = -8
6 (2 - -8)
6(10)
60
f(-8) = 60The length of a rectangle is 2 cm more than
3 times its width. Its area is 85 cm?. Find the
dimensions of the rectangle.
Answer:
Width of rectangle = 5 cm
Length of rectangle = 17 cm
Step-by-step explanation:
Let the dimensions of rectangle:
Width of rectangle = x
Length of rectangle = 3x+2
Area of rectangle = 85 cm
We need to find dimensions of rectangle i.e length and width.
The formula used is: [tex]Area\:of\:rectangle=Length\times Width[/tex]
Putting values and finding dimensions
[tex]Area\:of\:rectangle=Length\times Width\\85=3x+2 \times x\\85=3x^2+2x\\The\;equation\:will\:be:\\3x^2+2x-85=0[/tex]
Now, finding value of x using quadratic formula:
[tex]x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]
We have, a =3, b =2 and c=-85
[tex]x=\frac{-2\pm \sqrt{(2)^2-4(3)(-85)}}{2(3)}\\x=\frac{-2\pm \sqrt{4+1020}}{6}\\x=\frac{-2\pm \sqrt{1024}}{6}\\x=\frac{-2\pm 32}{6}\\x=\frac{-2+ 32}{6}\:or\:x=\frac{-2- 32}{6}\\x=5\:or\:x=-5.6[/tex]
So, we get x = 5 and x = -5.6
But since the width of rectangle cannot be negative so, we would consider x = 5
Now, the dimensions of rectangle will be:
Width of rectangle = x = 5 cm
Length of rectangle = 3x+2 = 3(5) + 2 = 15+2 = 17 cm
Using ƒ(x) = 3x − 3 and g(x) = -x, find g(ƒ(x)).
Answer:
We conclude that:
g(f(x)) = -3x+3
Step-by-step explanation:
Given
f(x) = 3x-3g(x) = -xTo determine
g(f(x)) = ?In order to determine g(f(x)), first we need to substiute f(x) = 3x-3 in g(f(x)).
g(f(x)) = g(3x-3)
now substitute x = 3x-3 in g(x)
= -(3x-3)
= -3x+3
Therefore, we conclude that:
g(f(x)) = -3x+3
pls help me look at the screen shot below
Answer:
7241.25 mm squared
Step-by-step explanation:
The surface area of a cylinder is denoted by: , where r is the radius and h is the height.
Here, we know that the diameter is 39.2 mm, and since diameter is twice the radius, then r = d/2 = 39.2/2 = 19.6 mm. We also know that the height is 39.2 mm
using this formula for surface area of cyclinder: 2πrh+2π
diameter = 2r --> 39.2 = 2r
so r= 19.6
The answer is 7241.25 mm squared.
↓Practice Provided Below ↓
HELP ASAP‼️‼️ The price for 4 pounds of ribs is $28
what is the unit rate?
Answer:
$7 per pound
Step-by-step explanation:
28/4
Which of these best describes rt?
A) The square root of the area of a circle
B) The ratio of the radius of a circle to its diameter
C) The radius of a circle times 3.14
D) The ratio of the circumference of a circle to its diameter
Answer:
uhhhh... i thinks its D or A
Find the product
(4)(-11) =
Answer:
4 X -11
-44
plz mark as brainliest
Answer:
-44
Step-by-step explanation:
Basically It's like 4x11, but you put a negative sign.
How do the terms light, radiation, and waves relate to one another?
Can someone help me out
Answer:
C.
Step-by-step explanation:
Solve 7x - 9 = 28 + 4(x - 1).
A X = -11
B x = 11
C X = 3
D x=-3
Justin has $57.18 in his checking account. He deposits his paycheck of $256.79. He then buys $68.42 in groceries, $50.00 in gas, and 2 movies for $15.58 each. What is the new balance in Justin’s checking account?
Which fraction and decimal forms math the long division problem
Answer:
4/15 and 0.26
Step-by-step explanation:
Here, we want to write the fraction and decimal that matches the division problem
The division problem is simply 4/15 in fraction
In decimal, this is 0.2667
Julie made $29 washing cars. This is $11 less than twice the amount
Julie made. How much money did Julie make?
Answer:
uhhhh 19$
Step-by-step explanation:cuz
Answer:
$20
Step-by-step explanation:
29 + 11 = 40
40 ÷ 2 = 20
Extending answer to be able to send.
How many expressions can you find using and that have a value of 12 a=6 b=4 c=-2
Answer:
Step-by-step explanation:
Some of the expressions that can be derived that have the values of 12 are:
i. 2a = 2 x 6
= 12
ii. 3b = 3 x 4
= 12
iii. (b + c) x a = (4 - 2) x 6
= 2 x 6
= 12
iv. 2b + [tex]c^{2}[/tex] = (2 x 4) + (-2 x -2)
= 8 + 4
= 12
v. [tex]b^{2}[/tex] - [tex]c^{2}[/tex] = (4 x 4) - (-2 x -2)
= 16 - 4
= 12
vi. [tex]c^{4}[/tex] - b = (-2 x -2 x -2 x -2) + 4
= 16 - 4
= 12
what is 3 1/8 x 2 3/5
Answer:
[tex]8\frac{1}{8}[/tex]
Step-by-step explanation:
[tex]3\frac{1}{8} \times 2 \frac{3}{5}[/tex]
[tex]=\frac{25}{8} \times \frac{13}{5}[/tex]
[tex]=\frac{25\times13}{8\times5}[/tex]
[tex]=\frac{325}{40}[/tex]
[tex]=\frac{325/5}{40/5}[/tex]
[tex]=\frac{65}{8}[/tex]
[tex]=8\frac{1}{8}[/tex]
Hope this helps :)
Determine the zeros of f(x) = 3x^2 – 10x – 8. (List them in
order from least to greatest, separated by commas. Enter any
fractions as a/b.)
Answer: The zeroes are -2/3 and 4
Step-by-step explanation: The factored form you get from this is (3x+2) and (x-4), set these equal to 0. x-4=0 and 3x+2=0.
The zeroes of the function in the order from least to greatest will be - 2/3 and 4.
What is the solution to the equation?The distribution of weights to the variables involved that establishes the equilibrium in the calculation is referred to as a result.
It is a method for dividing a polynomial into pieces that will be multiplied together. At this moment, the polynomial's value will be zero.
The equation is given below.
f(x) = 3x² – 10x – 8
Then the zeroes of the function are given as,
f(x) = 0
3x² – 10x – 8 = 0
3x² – 12x + 2x – 8 = 0
3x(x – 4) + 2(x – 4) = 0
(x – 4)(3x + 2) = 0
x = 4, - 2/3
The zeroes of the function in the order from least to greatest will be - 2/3 and 4.
More about the solution of the equation link is given below.
https://brainly.com/question/545403
#SPJ2
A furniture store is getting ready for a big sale and marking all their prices down by 45%. If one of their items is regularlly priced at $375, what is the sale price?
Answer:
$206.25
Step-by-step explanation:
Regular price of item = R= $375
Price after 45% off = (1-0.45) x 375
=$ 206.25
What is 3 divide by 148 but it’s LONG DIVISION. Please
Answer:
49 r. 3
[tex]3 \div 148 \\ 3 \div 14 = 4 \\ 3 \div 28 = 9 \\ \\[/tex]
the answer is 49 but since three can go into 148 evenly the remainder is 3
The slope formula can be used to find the slope, m, of a line with points (L1, y1) and (22, 42).
Y2 - Yi
22 - 21
m
Which is an equivalent equation?
O Y1 = -m (22 – x1) + y2
yı = -m (x2 – 21) – Y2
Oyı = m (22 – 21) + y2
Oyı = m (22 – 21) – Y2
Answer: [tex](y-y_1)=m(x-x_1)\ or \ (y-y_2)=m(y-y_2)[/tex]
Step-by-step explanation:
Point slope form: [tex](y-b)=n(x-a)[/tex] , where n=slope , (a,b) is the point through which line passes.
If slope of the line = m and line passes through [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex] :-
[tex](y-y_1)=m(x-x_1)\ or \ (y-y_2)=m(y-y_2)[/tex]
So, the equivalent equations are :
[tex](y-y_1)=m(x-x_1)\ or \ (y-y_2)=m(y-y_2)[/tex]
Which option for college funding can parents start when children are still very young? College savings account scholarship work-study student loan
Answer:
Your answer would be A: "college savings account."
Step-by-step explanation:
Got it right on edge.
College savings account is the option for college funding can parents start when children are still very young
What is College funding?College financial aid pays for the difference between what a school costs to attend and the amount a family will pay from their own money.
We need to find Which option for college funding can parents start when children are still very young.
Among the two options we have to choose College savings account.
Through this savings plan, you can contribute more than a traditional savings plan and take out the money to pay for college-related expenses without any penalty or tax.
Hence College savings account option for college funding can parents start when children are still very young
To learn more on College funding click:
https://brainly.com/question/18614442
#SPJ6
I have a square with a side of 5.25 in. There is a circle inside this square that is big enough to touch all four sides. What is the area that is not inside the circle?
Answer:
5.9125in^2
Step-by-step explanation:
Step one:
Given data
Dimension of square= 5.25 in
Area of sqaure= 5.25^2= 27.5625 in^2
We are told that the sides of the circle touch the sides of the square
hence the diameter of the circle is 5.25in
radius= 5.25/2= 2.625 in
Area of circle= πr^2
Area of circle = 3.142*2.625^2
Area of circle=3.142*6.890625
Area of circle= 21.65 in^2
Step two:
The area that is not inside the circle
=Area of square-Area of circle
=27.5625- 21.65
=5.9125in^2
Could you please explain how you got your answer
Answer:
2) 44°Step-by-step explanation:
CA and CB are perpendicular to OA and OB, so the angles A and B are right angles.
Angles AOB and ACB sum to 180°
3x + 10 + 38 = 1803x = 180 - 483x = 132x = 132/3x = 44Correct option is 2) 44°
To visit the top of the Empire State Buidling, a ticket
cost $20.00 in 2009. In 2020, the price rose to $50.00. What was the percent increase?
Answer:
Step-by-step explanation:
the percent increase is
(50-20/20)*100=(30/20)*100=150
150% increase
Determine which quadrilaterals match the figure parallelogram, rhombus, rectangle, or square? Select all
that apply.
X
W
Z
Given: m 2WXY = 130°,m XWZ = 50°, ZWZY = 130°
A
parallelogram
B.
rectangle
C
square
D
rhombus
Answer:
(A) Parallelogram is the right answer.
Help me with this thing thanks anoarefi
Answer:
1. 8
2. 16
Step-by-step explanation:
8/4=2
64/4=16
Answer:
The answers are
1. x=8
2. x=16
someone help pls asap
Answer:
[tex](g - f)(x) = log(x-3)- \sqrt[3]{12x +1} + 2[/tex]
Step-by-step explanation:
Given
[tex]f(x) = \sqrt[3]{12x +1} + 4[/tex]
[tex]g(x) = log(x-3)+6[/tex]
Required
Determine (g - f)(x)
In functions:
[tex](g - f)(x) = g(x) - f(x)[/tex]
So, we have:
[tex](g - f)(x) = log(x-3)+6 - (\sqrt[3]{12x +1} + 4)[/tex]
Open bracket
[tex](g - f)(x) = log(x-3)+6 - \sqrt[3]{12x +1} - 4[/tex]
Collect Like Terms
[tex](g - f)(x) = log(x-3)- \sqrt[3]{12x +1} - 4+6[/tex]
[tex](g - f)(x) = log(x-3)- \sqrt[3]{12x +1} + 2[/tex]
Answer:
[tex]→(g - f)(x) = g(x) - f(x) \\ → (log(x - 3) + 6) - (\sqrt[3]{12x + 1} + 4) \\→ log(x - 3) + 6 - \sqrt[3]{12x + 1} - 4 \\→\boxed{ log(x - 3) - \sqrt[3]{12x + 1} + 2}✓[/tex]
D. is the right answer.helpppppppppppp...plsss
Answer:
c=72
Step-by-step explanation:
8
=
9
8
⋅
8
=
8
⋅
9
Answer:
91
Step-by-step explanation:
For questions like these, you multiply the denominator times what it equals
Like in this case you do 8x9
I hope this helps!
PLEASEEEEE HELP MEE will give brainliest
I'm not sure if it's correct...........
A new tablet was originally $180. It was on sale for 10% off the original price. The amount of the tablet after 10%
Answer:
$162
Step-by-step explanation:
10% of 180 is 18
180-18=162
Identify the correct Triangle Congruence Theorem that describes the figure below.
A. SSS
B. SAS
C. AAS
D. HL
E. ASA
[tex]\tt{PQ=TS }[/tex]
[tex]\tt{ PW=TW }[/tex]
[tex]\tt{ QW=SW }[/tex]
SO,
it is S-S-S
side-side-side