Answers
Answer:
use theorem of Pythagoras
Related Questions
1. a circle has a circumfrance 88cm find its radius
2.a sector with angle 45 degrees has ab arc length 44cm find it radius and perimeter speratly
pls answer asap i will give u the brainliest
Answers
Step-by-step explanation:
Number 1
Circumference = 88cm
Circumference = 2πr
2πr = 88
πr = 88/2
πr = 44
22r/7 = 44
22r = (44 × 7)
r = (44 × 7)/22
r = 2 × 7
r = 14cm
Number 2
Length of arc = 44cm
Angle = 45°
L = ∅/360 × 2πr
44 = 45/360 × 2πr
44 = ⅛ × 2πr
44 = ¼ × πr
πr = 44 × 4
22r/7 = (44 × 4)
22r = (44 × 4 × 7)
r = (44 × 4 × 7)/22
r = 2 × 4 × 7
r = 2 × 28
r = 56cm
Perimeter = L + 2r
P = 44cm + 2(56cm)
P = 44cm + 112cm
P = 156cm
The amount y (in dollars) that you earn by working x hours is represented by the equation y = 9x. A) What is the slope? B) What does the slope mean? Interpret! C) How much money would you make if you worked 40 hours?
Answers
Answer:
360 dollars
Step-by-step explanation:
Equation;
y = 9x
A) What is the slope?
The slope in an equation is the coefficient of the x variable. In this question, the slope is 9.
B) What does the slope mean? Interpret!
The slope shows the relationship between the x and y values.
This means that for every single unit change of x, y changes by 9 times.
C) How much money would you make if you worked 40 hours?
x = working hours
y = Amount
y = 9 (40) = 360 dollars
What is the value of 5^-2?
Answers
Answer:
the answer is-25 according to me
Please mark as brainliest
need help on this picture
Answers
Answer:
The slope is -1/2
Answer:
-(1/2) or -0.5
Step-by-step explanation:
select two coordinates. for example, (2,2) and (4,1).
do (y2 - y1) ÷ (x2 - x1).
in this case, (1 - 2) ÷ (4 - 2). you should end up with -(1/2), or -0.5
The inverse of F(x) is a function.
F(X)
Answers
Answer:
THE ANSWER IS A: TRUE
Step-by-step explanation:
A
P
E
X
Which answer is correct?
9= 4 + 5 and 9 = 2 +7
9 = 5 + 5 and 9 = 6 + 4
9=6+3 and 9 = 7+1
9 = 5 + 3 and 9 = 6 +2
Answers
Answer:
9=4+5, 9=7+2, 9=6+3 are correct
Step-by-step explanation:
pamela and donna flew to arizona and bought a t-shirt for $12, scarf for $6.50, and belt for $16.75. In arizona, the sales tax rate is 8.25%. what is the total sales tax on the items?
Answers
Answer:
$38.16
Step-by-step explanation:
$12 + $6.50 + $16.75 =
35.25 US$
Sale Tax: 8.25% or $2.91
After Tax Price: $38.16
The diameter of a circle is 8 feet. What is the radius?
Answers
what is the exterior angle of #9 ?
Answers
Answer:
55
Step-by-step explanation:
3x-12=2x
+12
3x=2x +12
-2x
x=12
4(12)+ 9
48+9
=55
Grace, Chelsea, and Roan are simplifying the same polynomial expression. Which student’s work is correct and why?
Answers
Chelsea has an error in the first step (it has to be 6 - 3x - 12x + 16 bc minus multiply by minus is positive)
Roan also has an error in the first step (has to be 6 - 3x - 12x + 16)
Jonah has a piece of string that is 70 inches long. He cuts the string into 6 equal pleces. How many Inches long is each piece of string?
Answers
The wholesale price for a dozen pairs of socks is $4.30. The retail price for the same dozen pairs of socks is $9.25. What is the mark-up the retailer used? Write your answer as a complete sentence.
Answers
Answer:
the mark up used by the retailer is 115.12% of the wholesale price
Step-by-step explanation:
Mark-up is the percentage increase of the retail price over the wholesale price
Mark-up = (difference between retail and whole sale price / retail price ) x 100
difference between retail and whole sale price = $9.25 - $4.30 = $4.95
(4.95 / 4.3) x 100 = 115.12%.
The standard deviations of four data sets are shown in the table below. Which
of the data sets is the most spread out?
Data set
Standard deviation
Data set A
6.06
Data set B
4.88
Data set C
5.21
Data set D
3.39
A. Data set B
B. Data set D
C. Data set C
D. Data set A
Answers
Answer: Data set A
Step-by-step explanation: It has the most
The largest deviation for this case is from the dataset C so then the answer would be Data set C.
How is standard deviation calculated?Suppose that the considered data set is
Then, its standard deviation is the positive square root of the variance of this data set.
A variance of data set is the sum of squared differences of the data values from its mean to the total count of data values.
Thus, we get:
[tex]\sigma = \sqrt{\dfrac{1}{n} \sum_{i=1}^{n} (x_i-\overline{x})^2[/tex]
And for this case we have the deviations for each dataset are given by:
[tex]s_a = 5.21\\\\s_b =4.88\\\\s_c = 6.06\\\\s_d = 3.39\\[/tex]
We need to remember that the deviation is a measure of dispersion.
For this case, if the deviation is larger then we have more spread out the distribution of interest.
And largest deviation for this case is from the dataset C so then the answer would be:
Thus, the correct answer is D. Data set C.
Learn more about standard deviation;
https://brainly.com/question/16300950
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Nathan and his children went into a grocery store and he bought $12 worth of apples and bananas. Each apple costs $1.50 and each banana costs $0.60. He bought a total of 11 apples and bananas altogether. By following the steps below, determine the number of apples, x,x, and the number of bananas, y,y, that Nathan bought.
Determine three ways to have a total of 11 apples and bananas:
Answers
Step-by-step explanation:
X= apple y=banana 1 apple cost $1.50 and a1 banana cost $0.60 nathan buy 11banana and apple 1.50×11 = 16.5 0.60×11= 6.6. 16.5 +6.6 =23.1
Anthony got a shipment of various box sets of albums, but
he doesn't have enough room on his shelves for all of
them. The box sets measure 1 inch, 0.5 inch,
1 inch, 0.5 inch, ž inch, 1
inch, and 1.5 inches. He can only display box sets that
are less than Şinch.
Answers
Answer:
ccccccc
Step-by-step explanation:
help pleaseeeeeeeeeee
Answers
Answer:
I don't help ppl who just takes points from ppl with out helping :) Look at the past answers from her.
Step-by-step explanation:
Answer:
4, 7, 9, 12, 18, 32
Step-by-step explanation:
The sign shows that any number that is equal to, or more than, 36 is a valid answer. It can't be 3 because 3 x 9 is 27, and 27 is less than 36, so that wouldn't be true. 4 x 9 is 36, and 36 = 36, so that would be true, and obvoiusly all the other numbers that are over 4, when multiplied by 9, will equal more than 36, so they are all correct, except for the 3 and none answers. I hope this helps you out :)
(Urgent help please answer) Halims hardware store created flyers to advertise a sale on a certain type of carpet. (Please show work and how answer was made)
Answers
Answer:
945 dollars
Step-by-step explanation:
find 10 percent of 750 and subtract it from 750. then you divide by 5 to get how much it would cost for 100 and then multiply that by 7 to get 700 square feet being 945 dollars
Erica forgot how much she gets paid per hour, but she knows that when she babysits for 3.5 hours and is paid $28. How much does she make an hour? pls help.
Answers
28/3.5 will give you your answer
Answer:
8
Step-by-step explanation:
$28 / by 3.5= 8
what is the square root of 87 (round to the tenths place)
Answers
Answer:
I think it is 9.33 because the full answer is 9.327 so rounded it would be 9.33??
Find an nth-degree polynomial function with real coefficients satisfying the given conditions. If you are using a graphing utility, use it to graph the function and verify the real zeros and the given function value.
n=3
4 and 4i are zeros;
f(-1)=85
F(x) = ________
Answers
Givem that at n = 3: 4 and 4i are zero;
Then;
[tex](x - 4)(x - 4i)(x + 4i) \: (x - 4)( {x}^{2} - ( {4i)}^{2} \\ (x - 4)(x - 4i)(x + 4i) \: (x - 4)( {x}^{2} + 16) \\ (x - 4)(x - 4i)(x + 4i) \: {x}^{3} + 16x - {4x}^{2} - 64 \\ (x - 4)(x - 4i)(x + 4i) \: {x}^{3} - {4x}^{2} + 16x - 64[/tex]
Hence the function is:
[tex]f = {x}^{3} - {4x}^{2} + 16x - 64[/tex]
Identify the solution set 2(-x -9) = -2x + 8
A) infinitely many solutions
B) Only one solution
C) No solution
D) impossible
Answers
Answer:
D) impossible
Step-by-step explanation:
y = (x2 - 2x + 1)
y = (x - 1)(x - 1)
Prove that the following functions are equivalent through algebraic and numerical proof
Answers
Answer:
see below
Step-by-step explanation:
y = (x² - 2x + 1)
y = (x - 1)(x - 1)
First, recognize that the first equation is fully simplified/expanded already.
Now, we should solve for the second equation.
FOIL the expressions: first–outer–inner–last
(x - 1)(x - 1)
F: x²
O: -x
I: -x
L: 1
Combine these terms.
x² - x - x + 1
x² - 2x + 1
Notice that this equation is identical to our first equation. Therefore, the functions are equivalent.
Hope this helps!
y = (x^2 - 2x + 1)
y = (x - 1)(x - 1)
Algebraic Proof
FOIL y = (x - 1)(x - 1)
y = (x - 1) (x -1 ) = x^2 -2x + 1
Done.
Numeric Proof
Let x = 1
y = x^2 - 2x + 1
y = (1)^2 - 2(1) + 1
y = 1 - 2 + 1
y = 2 + 2
y = 0
Let x be 1 again.
y = (x - 1)(x - 1)
y = (1 - 1)(1 - 1)
y = 0
There you have it. Both equations are the same.
Use the distributive property to simplify the expression 6(9+x)
Answers
Answer:
54+6x
Step-by-step explanation:
6(9+x)
Distribute the 6 to each term inside the parentheses
6*9 + 6*x
54+6x
Answer:
54(6x)
Step-by-step explanation:
6 times 9
6 times x
the two lines above multiplied by each other
Elizabeth decided to invest $800 in a mutual fund that promises her a 12% return each year what is the sequence multiplier
write an equation to find the value y after x years.
find the value of the investment after 4 years
Answers
Answer:
the correct answer is 384
Step-by-step explanation:
Trust me plz
ill mark brainlist pllsss helpp
Answers
Answer:
54mi.
Step-by-step explanation:
multiply 84 x 9 = 756
divide 756/14 = 54
Answer:
It is the second option
Step-by-step explanation:
Click on the photo for explanation
HELLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPPP
Answers
Answer:
35
Step-by-step explanation:
180-(100+45)= 35
GIVING BRAINLIEST! 20pt ⇢Please help... Linear functions- i misclicked on an exam :(
Part A: Describe two types of transformations that can be used to transform f(x) to g(x). (2 points)
Part B: Solve for k in each type of transformation. (4 points)
Part C: Write an equation for each type of transformation that can be used to transform f(x) to g(x). (4 points)
Answers
To Find : two types of transformations that can be used to transform f(x) to g(x).
Solution:
f(x) = x/5 + y/(-10) = 1
=> 2x - y = 10
g(x) = x/(-3) + y/6 = 1
=> 2x - y = - 6
Transformations :
g(x) = f(x) + 16
g(x) = f(x + 8)
If you could answer both, it’ll be very appreciated (15 points if answered)
Answers
Answer: 1) 2x + 1 = 3
2) 8 + x = 7
Step-by-step explanation:
1) x would be equal to 1
2) x would be equal to -1
please give me brainliest or at least a ty!
20/10 + 12/100
helpppppppppppppppppppp
Answers
Answer:
212/100
Step-by-step explanation:
Answer:
2.12 (im so sorry if its wrong)
Graph the linear equation. Can someone give me a helping hand I’m not sure how to answer this? I will mark as Brainliest
Answers
Answer:
Step-by-step explanation:
[tex]y = \frac{1}{3}x+6\\\\[/tex]
When x = 0 , y = 0 + 6 = 6
(0 , 6)
When x = 3,
[tex]y = \frac{1}{3}*3 + 6 = 1 + 6 = 7[/tex]
(3, 7)
When x = -3
[tex]y =\frac{1}{3}*(-3)+6=-1 + 6 = 5[/tex]
(-3, 5)
Plot (0,6) ; (3, 7) and (-3, 5) in the graph and join the points.