Step-by-step explanation:
Solution,
Area=38.5 cm²
by using the formula of are of a circle i.e, πr², we get
πr²= 38.5 cm², where π=22/7
r²=38.5 cm²/π
r²=12.25 cm²
r=√12.25 cm²
r=3.5 cm
Now, by using the formula of circumference of a circle i.e, 2πr, we get
2πr=2×π×3.5 cm, where π=22/7
=22 cm
So, the circumference of the circle is 22 cm.
I hope it helped U
stay safe stay happy
Answer:
The circumference is 21.9899977262 (22 if rounded).
Step-by-step explanation:
First, we need to multiply pi by the area of the circle (3.14 x 38.5). This gives us 120.89. Next, we need to find the square root of 120.89. Which gives us 10.9949988631. Now we need to mulitply 10.9949988631 b which gives us 21.9899977262. Now if you would like you can round the number. This gives us a final answer of 22.
Let me know if you have any questions.
You have to evaluate
3³+11-10÷2×4=w
Answer:
18
Brainliest, please!
Step-by-step explanation:
3^3 + 11 - 10 / 2 x 4 = w
27 + 11 - 10 / 2 x 4 = w
27 + 11 - 5 x 4 = w
27 + 11 - 20 = w
38 - 20 = w
w = 18
If f(n) = 3n+ 5 , find f(-3). soln, 3n+ 5
Answer: f(-3) = -4
Concept:
Here, we need to understand the idea of evaluation.
When encountering questions that gave you an expression with variables, then stated: "If x = a, y = b, z = c" (a, b, c are all constants), this means you should substitute the value given for each variable back to the expression.
Solve:
Given expression
f(n) = 3n + 5
Substitute values into the expression
f(-3) = 3(-3) + 5
Simplify by multiplication
f(-3) = -9 + 5
Simplify by addition
f(-3) = [tex]\boxed{-4}[/tex]
Hope this helps!! :)
Please let me know if you have any questions
Two students created a list of steps for the following construction. Which student has steps in the correct order, and which does not? Explain.
You are given and point C. Construct a line parallel to that passes through point C.
Student A Steps:
Student B Steps:
Draw a line that intersects points B and C.
Draw a line through point C and point G.
Keep the compass at the same width, and place it on point C.
Keeping the compass at the same width, place it on point F.
Mark the intersection of the two arcs as point G.
Open the compass to the width between points D and E.
Place the compass on point B, and swing an arc that crosses line AB and line BC. Label the points D and E.
Swing an arc that crosses line BC, and label the point F.
Swing an arc that intersects the arc created from line BC at point C.
Draw a line that intersects points B and C.
Place the compass on point B, and swing an arc that crosses line AB and line BC. Label the points D and E.
Keep the compass at the same width, and place it on point C.
Swing an arc that crosses line BC, and label the point F.
Open the compass to the width between points D and E.
Keeping the compass at the same width, place it on point F.
Swing an arc that intersects the arc created from line BC at point C.
Mark the intersection of the two arcs as point G.
Draw a line through point C and point G.
Answer:
Step-by-step explanation:
As it is impossible to understand who have done what ,
the correct construction should be :
You are given point A, point B and point C.
Construct a line parallel to that line AB passing through point C.
1) Place the compass on point B, and swing an arc that crosses line AB and line BC.
Label the points D and E.
2) Keep the compass at the same width, and place it on point C.
3) Swing an arc that crosses line BC, and label the point F outside the segment [BC] .
4) Open the compass to the width between points D and E.
Keeping the compass at the same width, place it on point F.
5) Swing an arc that intersects the arc created from line BC at point C.
6) Mark the intersection of the two arcs as point G.
7) Draw a line through point C and point G.
You just have to discover who has done that.
PLEASE HELP ME, I WILL CROWN BRIANLIEST FOR THE FIRST PERSON TO REPLY
The data set and some summary statistics are listed.
11.5, 12.3, 13.5, 15.6, 16.7, 17.2, 18.4, 19, 19.5, 21.5
Mean: 16.52
Median: 16.95
Standard Deviation: 3.11
IQR:5.5
How does adding 5 to each of the values in the data set impact the measures of variability?
Answer:
see below:
Step-by-step explanation:
the median will become a larger, different number. The mean will also become a larger number, since it will still be dividing by the same amount of numbers in the equation, only the quantity will become larger. Same with standard deviation. The IQR will change, because the amount of the two numbers you'll be subtracting will end up greater than before.
(this is just what mine said, i hope this helped at least a little bit!! Sorry if our websites are different, have a nice day!) :)
After a price increase of 20% the cost of entry to a museum rose to $25.80. Find the original
entry fee
Hi
Let call X the origninal price.
if it rose of 20 % , it's mean that it' be multiplicate by 1.20
so :
X*1,2 = 25.8
1.2X=25.8
As math is all about method and training, I let you have a try and resolve the equation. If you do not know how, ask in comments section.
for f(x)=x^2-2, find the rate of change on the interval [-2,4]
Answer:
2
Step-by-step explanation:
steps are in picture.Ignore hand writing
the ground line is 12 cm and width is 10 cm find out the area of the ground and parameter of the ground
Answer:
2(x+6) + 2(x) =40
2x +12+2x=40
4x+12=40
4x=28
x=7
Now to find area it is LxW
7x13=91
So the area of the rectangle is 91 meters squared
Step-by-step explanation:
Answer:
Area=120[tex]cm^{2}[/tex]
Perimeter =44[tex]cm^{2}[/tex]
Step-by-step explanation:
area=length(l)*width(w)
=12*10
=120[tex]cm^{2}[/tex]
perimeter=2(length+width)
=2(12+10)
=2*22
=44[tex]cm^{2}[/tex]
How can I work this problem in adding integers with counters 5 + (-7)
[tex]\\ \rm\longmapsto 5+(-7)[/tex]
[tex]\\ \rm\longmapsto 5-7[/tex]
[tex]\\ \rm\longmapsto -2[/tex]
Note:-
(-)(-)=(+)(+)(-)=(-)(-)(+)=(-)(+)(+)=(-)Answer:
is -2
Step-by-step explanation:
because we have (-)+(+) is - so our answer is in minus
Which of the following describes 977.834? Select all the that apply
[tex]\boxed{\underline{\bf \: ANSWER}}[/tex]
977.834 can be defined as a rational number. Why? Well, 977.834 is not a non-terminating non-recurring/recurring number. Of it was, then it would have been an irrational number. Now, it can be a real number also because real numbers include all sorts of numbers whether it be fractions, decimals, roots, cubes etc. It's not an integer because integers don't include decimals or fractions numbers. So, the answers or options that are correct are
[tex] \sf \hookrightarrow \boxed{\sf\: rational \: number \: \: and \: real \: number}[/tex]
________
Hope it helps.
▅ ▆ ▇ █ RainbowSalt2222 █ ▇ ▆ ▅
Hey guys answer for points!
Question: 7 = x + 2x - 5 - 5x
Please include your steps and make sure it is accurate! Brainiest for correct answer/good answer!
Answer:
please mark me brainliest
Step-by-step explanation:
7=3x-5-5x
7=3x-5x-5
7=-2x-5
7+5=-2x
12=-2x
x=12/-2
×=-6
Answer:
-6 = x
Step-by-step explanation:
7 = x + 2x - 5 - 5x
~Combine like terms
7 = -2x - 5
~Add 5 to both sides
12 = -2x
~Divide -2 to both sides
-6 = x
Best of Luck!
Supplementary angles are two angles that add up to 180 degrees! * Angles A and Care supplementary. Find the measure of angle C.HELPP
Answer:
106
Step-by-step explanation:
a=74
c=?
180-74=106
============================================================
Explanation:
As the hint states at the top, supplementary angles add to 180 degrees
If we glued the angles together, then we'd form a straight line.
angleA+angleC = 180
74+C = 180
C = 180-74
C = 106 degrees
Help me with number 23 plsssssss
The Answer is:
p=15
5x3=15
So that must mean 15/5=3
Hi! I'm happy to help!
To make this equation easier, we can use the inverse operation, multiplication (instead of division).
p÷5=3
3×5=p
Doing this will give you the same answer, it just makes it easier. 3 times 5 is 15, so p=15
We can double check our answer by putting in 15 for p.
p÷5=3
15÷5=3, this is true, so our answer is correct.
I hope this was helpful, keep learning! :D
Choose each correct statement.
1. Sin A = b/c
2. Cos A = b/c
3. Tan A = b/8
4. M
5. m
6. Sin B= 8/c
7. Cos B = b/c
8. Tan B = b/8
9. Sin A = 8/c
10. Tan A =8/b
11. Sin B = b/c
12. Sin A = Cos A
13. Sin A = Cos B
Answer:
Step-by-step explanation:
Sin(A) = 8/c Not correct.Cos(A) = b / c CorrectTan(A) = b / 8 Correct and Makes no sense to meSin(B)= b/c CorrectCos(B) = 8/c Not correctTan(B) = b/8 CorrectSee (A) Not CorrectTan(A) See 3 Not CorrectSee 6Sin(A)=Cos(A) Not correctSin(A) =Cos(B) Correct2,3,5,6, 8,11,13 Are correct.
14) A blizzard produced 9 - inches of snow. The
sun came out for three days and melted 7 - inches
How much snow remains after the three days?
Answer:
2 3/8 in.
Step-by-step explanation:
[tex]9\frac{1}{2}-7\frac{1}{8}\\\\9\frac{4}{8}-7\frac{1}{8}\\\\2\frac{3}{8}[/tex]
What is the correct domain and range in set notation?
DOMAIN: [0, +6)
RANGE: (-2.5, +2.5)
REMEMBER THAT THE DOMAIN IS SET ACCORDING TO THE GRAPH’S RELATION TO THE X-AXIS (-X, +X).
REMEMBER THAT THE RANGE IS ISET ACCORDING TO THE GRAPH’S REALTION TO THE Y-AXIS (-Y, +Y).
REMEMBER THAT THE BEST WAY TO APPRECIATE THIS AID TO YOUR LEARNING TO MARK “BRAINLIEST”.
which number line best shows the position of square root of 3
HURRRYYY PLEASE
Answer:
I think no 4 shows the best position for 3
How do you solve
ca=dr, for a
Answer:
a = dr/c
Step-by-step explanation:
ca = dr
Divide both sides by c. This gets a by itself on the left side.
a = dr/c
“Find the measure of angle 1 if angle CUB=78. Name the special pair of angles formed.”
[tex]\\ \rm\longmapsto <CUB=<CUS+<BUS[/tex]
[tex]\\ \rm\longmapsto <1+48=78[/tex]
[tex]\\ \rm\longmapsto <1=78-48[/tex]
[tex]\\ \rm\longmapsto <1=30[/tex]
Help ASAP I'm in school need help
Answer:
B
Step-by-step explanation:
this is the answer to this question
Which two lines are parallel?
Which line is the transversal? How do you know
please help,its a grade
Answer: The 2 red lines are parallel and the blue line is transversal
Step-by-step explanation:
The 2 red lines are parallel (align with each other)
The blue line goes thru the other 2 lines meaning its transversal.
Bài 12: Cho đa thức M(x) = 4x + 2x -x2 - x + 2x2–x+1−3x
a) Sắp xếp đa thức trên theo lý thừa giảm dần của biến
b) Tính M(-1) và M(1) .
c) Chứng tỏ đa thức trên không có nghiệm
A(x) = -4x -x + 4x" +5x+7+4x – 6x?
Answer:
what?
Step-by-step explanation:
please help me will mark braniliest
Answer:
The correct answer is option A. Line DB
Step-by-step explanation:
When you write that M is a line, the sign for this would be a line with arrows on both of its end like this : <------------>
Now, due to the fact that lines look like this <------------>, we can cross out option C and D as they both aren't lines but points. Points go like this: ---->
Option B says, "line EB", this can't be true because E corresponds with the letter F, it can't become a line with B hence why the only option true here is choice A.
One cookie recipe calls for 23cups of sugar. Another recipe calls for 114cups of sugar. How many cups of sugar are needed in both recipes?
Answer:
does the sugar levels matter just bake the da*n cookies man
Which best describes a compass tool?
a. a plastic straightedge with equidistant units in inches or centimeters
b. a long wooden tool with a ruler on one side and a sliding holder on the other
c. a metal instrument with two legs-one with a point and one for a pencil
d. a curved plastic tool in the shape of the letter D with markings on the face
Answer:
I believe its c
Step-by-step explanation:
just for reference I can't guarantee
The best described compass tool is a metal instrument with two legs-one with a point and one for a pencil option (c) a metal instrument with two legs-one with a point and one for a pencil.
What is a magnetic field?The magnetic field is defined as the field the magnetic materials generate or when an electric charge moves in a field region that generates the magnetic field.
It is given that:
A tool is a compass tool which is an indicating the north direction.
As we know,
The magnetic field is defined as the field the magnetic materials generate.
A metal object with two legs, one for a pencil and one with a tip.
Thus, the best describes compass tool is a metal instrument with two legs-one with a point and one for a pencil option (c) a metal instrument with two legs-one with a point and one for a pencil.
Learn more about the magnetic field here:
brainly.com/question/14848188
#SPJ2
10-7+12 dived (2^3-6) May you answer hope this will help
Answer:
7.5
Step-by-step explanation:
SEE THE IMAGE FOR SOLUTION
HOPE IT HELPS
HAVE A GREAT DAY
please beging help me thanks
Answer:
1)[tex]\frac{7}{12}[/tex] 2)[tex]\frac{1}{4}[/tex] 3)[tex]\frac{2}{12}[/tex] 4)Rs.36 000
Step-by-step explanation:
1)1/3+1/4=4/12+3/12
=7/12
2)remaining=12/12-7/12
=5/12
other expenses=5/12*3/5
=1/4
3)total=7/12+1/4
=7/12+3/12
=10/12
=5/6
remaining=6/6-5/6
=1/6
fraction of the salary=1/6*2
=2/12
4)1/6=rs.6000
6/6=rs,36 000
6.
Evaluate the function rule for the given value.
f(x)= 3× for x= -4
A. –12
B. 1/81
C. –64
D. 1/243
Answer:
B. 1/81
Step-by-step explanation:
f(-4) = 3(-4)
f(-4) = -12
Hope that helps.
-12,1/243,-64 or 1/81
1/81 would be the correct answer to the equation hope this helps
evaluate the function rule for the given value.
f(x)=3^x for x=-4
-----
f(-4) = 3^(-4)
---
f(-4) = (1/3)^4
---
f(-4) = 1/81
find the simple interest of rupees 12000 invested at 8% per year is rs 6720 find the no of years
[tex] \large \mathfrak{Solution : }[/tex]
According to formula :
[tex] \boxed{ \boxed{simple \: \: interest = \frac{p \times r \times t}{100} }}[/tex]
[tex]6720 = \dfrac{12000 \times 8 \times t}{100} [/tex][tex]6720 = 120 \times 8 \times t[/tex][tex]t = \dfrac{6720}{120 \times 8} [/tex][tex]t = 7\: \: years[/tex]Best Buy has a store brand TV for $700. This is $250 more than 1 of the cost of a deluxe model 4 that they also carry. What is the price of the deluxe model that Best Buy has in their store? Write out the equation.
Answer:
$950
Step-by-step explanation:
$700 + $250 = $950
What is each number in scientific notation?
Drag the answer into the box to match each number.
0.0000855 -------
855,000 --------
A.8.55 * 10^-6, B.8.55 * 10^-5, C.8.55 * 10^5, D.8.55 * 10^6