Answers
Answer:
25 ( 5 width times 5 length)
Step-by-step explanation:
Related Questions
Geometry - Triangle d) In the given figure, BE = EC and CE is the bisector of ZACB. Prove that ZBEC = ZACD. E B D С
Answers
Answer:
Let m∠BCE = x
Then m∠ACE = x as well since CE is bisecting ∠ACB.
m∠ACD + x + x = 180° ⇒ m∠ACD = 180° - 2xConsider ΔBEC
Since BE = EC, the opposite angles are congruent:
∠BCE ≅ ∠CBEThen:
m∠CBE = m∠BCE = xFind the angle BEC:
m∠BEC = 180° - (x + x) = 180° - 2xComparing the above we see that:
m∠BEC = m∠ACDprovedUse a calculator to find the mean of the
data. {22.1, 23.8, 20, 23.3, 20.2, 24.2, 21.8, 22.7, 21.2, 21.3, 21.7, 23.2, 19.1, 22.3, 22.1, 20.9, 20.7, 20.2, 23.3, 19.6, 20.7,
24.5}
Answers
The mean of the data is 21.6.
What is mean?The mean refers to the average of a set of values. The mean can be computed in a number of ways, including the simple arithmetic mean (add up the numbers and divide the total by the number of observations).
Given data
{22.1, 23.8, 20, 23.3, 20.2, 24.2, 21.8, 22.7, 21.2, 21.3, 21.7, 23.2, 19.1, 22.3, 22.1, 20.9, 20.7, 20.2, 23.3, 19.6, 20.7, 24.5}
Sum of observations = 22.1 + 23.8 + 20 + 23.3 + 20.2 + 24.2 + 21.8 + 22.7 + 21.2 + 21.3 + 21.7 + 23.2 + 19.1 + 22.3 + 22.1 + 20.9 + 20.7 + 20.2 + 23.3 + 19.6 + 20.7 + 24.5 = 478.9
Number of observations = 22
Mean = [tex]\frac{Sum \ of \ observations}{Number \ of \ observations}[/tex]
Mean = [tex]\frac{478.9}{22}[/tex] = 21.6
The mean of the data is 21.6.
Find out more information about mean here
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I don’t know how to do this, please help! :) (10-12 or even just 10) I’m so tired and this is due in the morning pls help 25 points
Answers
Answer:
10) 3. 88 mi/hr11) 68. 57 mi/hrStep-by-step explanation:
10. RunningAverage speed formula: v= d/tgivens: 3 2/5 miles and 7/8 hour• change 3 2/5 to an improper fraction17/5• divide the givens by receprocating 7/8 and changing the sign to multiplication17/5 × 8/7= 136/35= 3. 88 mi/hr11. DrivingSpeed formula: s= d/tgivens: 120 miles and 1 3/4 hours• change 1 3/4 to an improper fraction7/4• divide the givens by receprocating 7/4 and changing the sign to multiplication120/1 × 4/7= 480/7= 68. 57 mi/hr[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]
If you buy 12 pounds of lettuce for $96 what is the rate which one pound of lettuce costs
Answers
96$ divided by 12 = 8
Thats how you would get the rate and maybe you can apply this method to other questions if there are any?
Answer:
$8
Step-by-step explanation:
$96 divided by 12
Find the value of x. Round to the nearest tenth
Answers
Step-by-step explanation:
use cos since we're given the adjacent and asked to find the hypothenus.
cos 33° = 6/x
cross multiply
xcos33° = 6
divide both sides by cos 33°
(cos 33 is approximately 0.8387)
then x = 7.15
Answer:
[tex]x \approx 7.2[/tex]
Step-by-step explanation:
The given triangle is a right triangle this is indicated by the box around one of its angles, signifying that the angle is a right angle. One of the properties of a right triangle is the right angle trigonometric ratios. these are a series of ratios that relate the sides and angles of a right triangle. Such ratios are as follows:
[tex]sin(\theta)=\frac{opposite}{hypotenuse}\\\\cos(\theta)=\frac{adjacent}{hypotenuse}\\\\tan(\theta)=\frac{opposite}{adjacent}[/tex]
Please note that the sides named ([tex]opposite[/tex]) and ([tex]adjacent[/tex]) Are subjective and change based on the angle by which one refers to. However the side ([tex]hypotenuse[/tex]) indicates the side opposite the right angle, this side does not change its name.
In this case, one is given a (33) degree angle, and the measure of the side adjacent to is, (6). One is asked to find the measure of the hypotenuse (x). It would be most logical to use the ratio of cosine (cos). Substitute the given values in and solve for (x).
[tex]cos(\theta)=\frac{adjacent}{hypotenuse}[/tex]
[tex]cos(33)=\frac{6}{hypotenuse}[/tex]
Inverse operations,
[tex]cos(33)=\frac{6}{hypotenuse}[/tex]
[tex]hypotenuse=\frac{6}{cos(33)}[/tex]
[tex]hypotenuse \approx 7.15[/tex]
What are the solutions to the equation f(x)=g(x)?
A) x= -3, 4
B) x= -4, 2.5
C) x= -0.8, 2.5
D) x= 8, -8
Answers
Answer:
B
Step-by-step explanation:
The points where f(x) intersects g(x) are - 4 and 2.5. These points are the solution of the equation f(x)=g(x)
Answer:
(-4,8) and ( 2.5, -8)
Step-by-step explanation:
The solutions are where the two graphs intersect
They intersect at x = -4 and y = 8 and at x = 2.5 and y = -8
(-4,8) and ( 2.5, -8)
What is x+y
Explain your answer
Answers
Answer:
x + y = 0
Step-by-step explanation:
The problem states that variables x and y are the same distance away from 0 on the number line. Since x is at 4, it is 4 units away from 0. Assuming that x and y cannot be the same number, y would have to be at -4, because that is the only other number besides 4 that is 4 units away from 0.
If x and y can be the same number another possibility would be that y is also 4 making x + y = 8.
How to solve this question pls help asap
Answers
Answer:
answered by g a u t h m a t h
Step-by-step explanation:
PLZ HELP, GIVING BRAINLIEST!!!
Find the length of the intercepted arc.
pi/6, r = 2.5
Answers
Answer:
4pi
Step-by-step explanati
Solve the equation. The letters a, b, and c are constants and a≠0
ax-76 = 9c
i’m confused bc it doesn’t tell me what i’m solving for. please help! thank you!
Answers
Answer:
Step-by-step explanation:
Probably it's asking for x so you have to find x in term of a and c
ax = 9c+76
x = 9c+76/a
Answer:
Step-by-step explanation:
I can see your problem. That's one of those questions where the directions are part of the problem. I think you are supposed to solve for x.
ax-76 = 9c Add 76 to both sides
ax = 9x + 76 Divide by a
x = (9x + 76)/a
35. What is the point-slope form of the
equation for the line with a slope of
-2 that passes through (1,4)?
A. y + 1 = -2(x + 4)
B. y - 1 = -2(x - 4)
C. y + 4 = -2(x + 1)
D. y - 4 = -2(x - 1)
Answers
Answer:
D) y - 4 = -2 ( x - 1 )
Step-by-step explanation:
Point-slope form is y - y₁ = m ( x - x₁ )
so you just plug in your points, hope this helped
………………………….
Lauren wants to know how many students in her school plan to see the new science fiction movie opening this weekend. She surveyed every Fitch student as they left the school on Friday.
Population:_____________
Sample:__________________
Is this sample reprsentive? Explain.
______________________________
Answers
Helppp plssss help meeee
Answers
Answer:
C. $1,260
Step-by-step explanation:
80 × 14.5 = 1,160
2,500 × 0.04 = 100
Answer:
C. $1260
Step-by-step explanation:
If angle DCA measures 65 degrees, then angle ACB measures _____ degrees.
90
25
65
Answers
DCB form a right angle which is 90 degrees.
The two inside angles need to equal 90
ACB = 90-65 = 25
Answer: 25
Answer:
25
Step-by-step explanation:
its correct
Jun made a round tablecloth for his kitchen table. The tablecloth is 4.5 feet in diameter. Approximately how much fabric did Jun use for the tablecloth?
Answers
Answer:
the correct answer is 16ft^2
8m-12-6m+4m help I suck at math
Answers
2m - 12 + 4m =
6m - 12
8m+4m-6m-12
12m-6m-12
12m-6m
-6m
According to the graph, is f even, odd, or neither?
Choose 1 answer:
a. Even
b. Odd
c. Neither
Answers
Answer:
a
Step-by-step explanation:
an even function is symmetrical about the y- axis
This graph has symmetry about the y- axis and so is Even
isjdhshsbwhjaa
The card you pick from a normal pack is from a red suit
Answers
Answer:
1/2
Step-by-step explanation:
Total number of cards in a normal pack = 52
Red cards in a pack = 26
Probability of getting a red card = 26/52
or 1/2 (simplest form)
Find the value of x and y from the following figure.
plzz help
Answers
WILL GIVE BRAINLIEST
[tex]\frac{x^2+10x+25}{8x+40}[/tex]
What is an equivalent expression in the lowest terms?
Answers
The final answer is (x+5)/8
Hope this helps please brainliest.
an obtuse angle is an angle which is _______
Answers
Answer:
an obtuse angle is an angle that is more than 90 degrees
Step-by-step explanation:
hi im back pls help me :) i'll give brainliest
Answers
Answer:
b
Step-by-step explanation:
y + 6 = -2(x - 4)
Step-by-step explanation:
We’re going to start off simple so we’re not going to write the graph in point-slope form yet, but let’s practice how to write it in slope-intercept form.
Thus, the question is already giving us a slope, which is something needed.
Slope-Intercept Form: y = mx + b where m = slope
Now solve for b which it means for y-intercept.
The y-intercept is always located at the y-axis when x = 0. In this case, b = 2
Now let’s place the dimensions of what we have so far
y = -2x + 2
Then we’re going to use the point for point-slope form.
Point-Slope Form: y - y1 = m(x - x1)
To write the graph in point-slope form, use the Slope-intercept form to fill out the dimensions.
Slope-Intercept Form: y = -2x + 2
With the point: (4, -6)
“That means 4 = x1 and -6 = y1)
Point-Slope Form: y + 6 = -2(x - 4)
•••••••••••••••••••••••••••••••••••••••••
Answered by: doomdabomb
*All brainliest answers are appreciated and would mean a lot to me*
The library has 2,730 books. If each shelf can hold 30 books, how many shelves will the library need to hold all of its books?
Answers
Answer:
2730÷30=91
Step-by-step explanation:
take the number of books and divide it by the number of books each shelve can hold and ull get ur answer
plz helppppp it's a constructed response!!!? :(
Answers
Step-by-step explanation:
the measure of the segment YZ
[tex] \sin(30) = \frac{yz}{50} \\ yz = 50 \times \sin(30) = 25[/tex]
YZ= 25 m
6. Solve for x!! please help!
Answers
x/2 = -7
=> x = -7 × 2
=> x = -14
Answer:
x=-14
Step-by-step explanation:
[tex]\frac{x}{2} =-7\\\\x=-14\\[/tex]
I WILL GIVE BRAINLIEST!! NO LINKS PLZ
Simplify.
Answers
Answer:
[tex] \large{ \tt{❃ \: S \: O \: L \: U \: T \: I \: O \: N \:❃ }}[/tex]
[tex] \large{ \tt{❊ \: S \: T \: E \: P \: S \: ❊}}[/tex]
[tex] \huge{ \tt{ \: \frac{4 \sqrt{6} }{5 \sqrt{3} } = \frac{4 \: \cancel{ \sqrt{6}} \: ^{\sqrt{2}} }{5 \: \cancel{\sqrt{3} }} }} = \: \boxed{\frac{4 \sqrt{2} }{5} }[/tex]
[tex] \large{ \boxed{ \boxed{ \tt{⤻ \: OUR \: FINAL \: ANSWER : \boxed{ \tt{ \frac{4 \sqrt{2} }{5}}}}}}} [/tex]
Note : In the second step , I divided √6 by √3 as a result of it , I got √2- Hope this helps! Let me know if you have any questions regarding my answer and don't hesitate to reach out to me if you need any other help! :)
HELP ASAP ILL GIVE BRAINLIST
The probability of a red candy being selected from a bowl is 0.9, and the probability of a pink frosted animal cookie being taken out of a different bowl is 0.4. What is the probability of getting both a red candy and a pink cookie?
Answers
Answer:
0.36
Step-by-step explanation:
To find the probability, just multiply.
probability of red candy * probability of pink cookie
0.9*0.4=0.36
I hope this helps!
Each employee in a company is either right-handed or left-handed.
32 of the 54 employees are female.
18 of the 41 right-handed employees are male.
Complete the frequency tree for this information.
right-handed
female
left-handed
54
000
right-handed
male
left-handed
Total marks: 3
Answers
Answer:
32 female - 23 right-handed || 9 left-handed
22 male - 18 right handed || 4 left handed
Step-by-step explanation:
I find it easiest to write all the information out and fill the gaps.
From what we're given, 32 employees are female, that means 22 are male, as 54 - 32 = 22.
We are also given that there are 41 right-handed employees, which means there is 13 left-handed employees by subtraction.
If 18 of the right-handed employees are male, then 23 of them are female, and 4 are left-handed males.
If 23 of the female employees are right-handed, then 9 female employees are left-handed.
It's quite simple if you write everything out :D
Which models show 60%? Check all that apply.
Answers
Answer:
OPTION A AND B.
AS OPTION A IS 3/5=6/10=60%
Option C=60/100=60%
Answer:
the first and the last option
Step-by-step explanation:
In the first option 3/5 of the rectangle are filled in. if you divide 3 by 5, you will get 0.6, which when converted in to percent is equal to 60%
3/5 = 0.6
0.6 = 60%
*to convert decimals into percent, you just have to move the decimal point 2 places to the right and add the present sign*
in the second option 5 out of the 10 rectangles inside the square are filled in. that means that 5/10 of the square are filled in, the model shows 50%
5/10 = 1/2 = 0.5 = 50%
in the third model 6 out of the 10 rows in the square are filled in. that means that 6/10 of the square are filled in which is equal to 60%
6/10 = 0.6 = 60%
hope this helps! if you have any questions, let me know!
if a+1/a=3
What is the answer? a⁵+1/a⁵
Answers
Answer:
123
Step-by-step explanation:
We can square and cube the equation, then multiply the results together.
(a + [tex]\frac{1}{a}[/tex]) = 3 ← square both sides
a² + 2 + [tex]\frac{1}{a^2}[/tex] = 9 ( subtract 2 from both sides )
a² + [tex]\frac{1}{a^2}[/tex] = 7 → (1)
-----------------------
Now cube both sides
a³ + [tex]\frac{1}{a^3}[/tex] + 3(a + [tex]\frac{1}{a}[/tex]) = 27
a³ + [tex]\frac{1}{a^3}[/tex] + 3(3) = 27
a³ + [tex]\frac{1}{a^3}[/tex] + 9 = 27 ( subtract 9 from both sides )
a³ + [tex]\frac{1}{a^3}[/tex] = 18 → (2)
------------------------------
Multiply (1) and (2)
(a² + [tex]\frac{1}{a^2}[/tex] )(a³ + [tex]\frac{1}{a^3}[/tex] ) = 7(18)
[tex]a^{5}[/tex] + ( [tex]\frac{1}{a}[/tex] + a) + [tex]\frac{1}{a^5}[/tex] = 126
[tex]a^{5}[/tex] + 3 + [tex]\frac{1}{a^5}[/tex] = 126 ( subtract 3 from both sides )
[tex]a^{5}[/tex] + [tex]\frac{1}{a^5}[/tex] = 123
