[tex]2\dfrac{4}{9}=\dfrac{2\cdot9+4}{9}=\dfrac{18+4}{9}=\boxed{\frac{22}{9}}[/tex]
Rút gọn biểu thức sau
√3+2√2 - √5+2√6
Answer:
-6
Step-by-step explanation:
because it - + 18 + 17 + 19 + 20 answers
A maple tree shades an area of 7 1/2 m squared. In a scale drawing, the maple tree shades an area of 12 1/2 cm squared. In the scale drawing, how many square centimeters represent 1 m squared.
Possible answers:
A. 3/5
B. 5/3
C. 93 3/4
D 10,000
Answer:
b
Step-by-step explanation:
Answer:
the person above is incorrect
C is correct
Which is the function represented by the table? fix) 3 AB 1 1 Why O {x)=-2x + 1 O fx)= X-2 O AX)= X+4 O f(x)= 3x
PLEASE HELP
Answer:
The choose 1. f(x) = – 2x +1
Step-by-step explanation:
f(-1)=-2(-1)+1=2+1=3
f(0)=-2(0)+1=0+1=1
f(1)=-2(1)+1=-2+1=–1
f(2)= -2(2)+1= – 4+1= –3
I hope I helped you^_^
Write an integer for the situation.
11 mph above the speed limit
PLEASE HELP IM VERY CONFUSED
Answer:
me
Step-by-step explanation:
Pls help I’m really confused How are vertical
angles and adjacent
angles different?
What are
complimentary and
supplementary
angles?
Which of these is not a characteristic of a perpendicular bisector?
Answer:
The perpendicular bisector meets any line at an angle which is not 90°
Step-by-step explanation:
[tex].[/tex]
Answer:
the perpendicular bisector meets any line at an angle which is not 90°
E
Initial Knowledge Check
Question
Find the surface area of a cylinder with a height of 5 m and a base radius of 3 m.
Use the value 3.14 for it, and do not do any rounding.
Be sure to include the correct unit.
5 m
Í
3 m
1
Help me i need help ok try to explain and ok ok ok ok ok ok ok ok
Question 9
18, 28, 6, 54
Question 10
Correct Number: 5
Incorrect Number: 6
Answer:
ur image isnt loading on my screen
Step-by-step explanation:
10) On Monday, Dave drove exactly m miles. On Tuesday, he drove 112 fewer milder than he
drove on Monday. Write an expression that represents the total number of miles Dave drove on
both days?
Answer:
2m = 112
Step-by-step explanation:
monday = m
Tuesday = m - 112
therefore total = m + (m -112)
answer = 2m = 112
Which of the following uses scientific notation INCORRECTLY?
9.1 x 10 squared
4.23 x 10-2
75.3 x 102
O 8 x 10-6
Help what is -5 -10 =10
Answer:
-5-10 is not 10 it will be -15 ..
Step-by-step explanation:
mark me as brainliest ❤️
Which equation could be used to solve the question below?
Jaxon has s packs of 8 crazy straws. He divided the crazy straws into 2 equal bags. Now, he has 224 crazy straws in each bag. How many packs of crazy straws did Jaxon start with?
A.
s × 8 × 2 = 224
B.
s ÷ 8 ÷ 2 = 224
C.
s ÷ 8 × 2 = 224
D.
s × 8 ÷ 2 = 224
Answer:
I would say D
Step-by-step explanation:
Cus, in order to find total of crazy straw, is S x 8
After finding the total he divides it in 2
Solve 4x−9y=13 for y
Please help
Answer: i dont know
Step-by-step explanation: 4
Determine where the function is increasing, decreasing, and constant.
Increasing: (-4,0) Decreasing: (-00,-4) U (0, 0)
Constant: No where
Increasing: (-4,0) Decreasing: (-00,-7) (4,00)
Constant: No where
Increasing: (-00,-7) (4, 0) Decreasing:(-4,0)
Constant: No where
Increasing: (-7,4) Decreasing: (-00,-7) (0,00)
Constant: No where
Answer:
Increasing: (-4,0) Decreasing: (-00,-7) (4,00)
Constant: No where
Step-by-step explanation:
Profit is always calculated as revenue minus expenses. If a company's expenses were $10 million, write an equation that expresses profit, P, (in millions of dollars) in terms of revenue, R, (in millions of dollars). Then, determine the profit when revenue is $25 million.
a. P= 10-R; $15 million
b. P=R-10; $15 million
c. P=R-10; $35 million
d. P=10-R$35 million
Please select the best answer from the choices provided
Answer: B
Step-by-step explanation:
P=R-$10MM
P = ($25MM)-$10MM
P = $15MM
CPU is a ___computer.
Consider the given line segment. If AC is 39cm long, answer the following questions:
A
B
9x+7
-3x+20
AB -
BC =
Is point B the midpoint? (yes or no)
The point which is equidistant from the endpoints of a line segment, hence, marking the middle point of the line is called the midpoint. Therefore, Point B is not the midpoint
AB + BC = AC
9x + 7 + (-3x + 20) = 39
9x + 7 - 3x + 20 = 39
6x + 27 = 39
6x = 39 - 27
6x = 12
x = 12 / 6
x = 2
9x + 7 = - 3x + 20
9(2) + 7 = - 3(2) + 20
25 = 15
Hence,
Since, AB ≠ BC, then B is not the midpoint
Learn more : https://brainly.com/question/18109354
David used the scale 1 centimeter equals 5 meters to build a model boat.
If the model boat is 8 centimeters long, how long is the full-size boat?
canal but no c me uhevrvr
A number times teo divided by four
Answer:
(x*10)/4
Step-by-step explanation:
I think "teo" means ten, so x times 10, divided by 4.
For each ordered pair in the table, how does the second number compare to the first number... can yall tell me I need to turn it in Tomorrow!!??
Answer:
The first number in each ordered pair tells how far across the X line is to move. The second number in each ordered pair tells how far up or down the Y line is to move. The point where the X and Y lines cross is marked “0” on the graph. It is called the “origin,” and is the starting point for plotting points.
If four points represent the vertices of a polygon. And the four side lengths are equal, then the polygon must be a square
The given polygon can be rhombus or square.
Polygon is a two-dimensional closed figure made of straight lines.
There are two polygons with four vertices and four equal sides:
Rhombus:
Four verticesFour equal side lengthsOpposites sides are parallelUnequal diagonalsOpposites angles are equalDiagonals bisect each other at a 90-degree angle.Square:
Four verticesFour equal side lengthsOpposites sides are parallelEqual diagonalsAll angles are equal to a 90-degreeDiagonals bisect each other at a 90-degree angleGiven:
A polygon with four points representing vertices and four equal lengths
To Find:
Whether given polygon is square or not
Solution:
According to the question polygon given has four vertices and four equal side lengths.
There are two different polygons with four vertices and four equal side lengths, rhombus, and square.
In the question, we are only given vertices and the side lengths of the polygon which simply indicates that the given polygon can be either rhombus or square. But in order to prove the polygon as square, we will need more information regarding the stated polygon.
So from this, we can conclude that the given polygon can be rhombus or square.
Learn more about polygons here:
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If the diameter of a sphere is halved , What effect does this have on its volume & its surfaces area ?
Answers:
The new volume is 1/8 of the old volume
The new surface area is 1/4 of the old surface area
======================================================
Explanation:
Volume:
Let's say the diameter is d = 60
That would make the radius r = d/2 = 60/2 = 30
The volume of the sphere is
V = (4/3)pi*r^3
V = (4/3)*pi*(30)^3
V = (4/3)*(30)^3*pi
V = 36000*pi
Now consider that d = 30 which is half of the original diameter.
So r = d/2 = 30/2 = 15
And also,
V = (4/3)pi*r^3
V = (4/3)*pi*(15)^3
V = (4/3)*(15)^3*pi
V = 4500*pi
The old volume was 36000pi and the new volume is 4500pi
Comparing the two volumes, we see that the reduction factor is
(new volume)/(old volume) = (4500pi)/(36000pi) = 1/8
The new volume is 1/8 of the old volume
smaller volume = (1/8)*(larger volume)
This is equivalent to saying the larger volume is 8 times that of the smaller volume.
------------------------------------------------------
Surface Area:
We'll use the same d and r values from earlier.
The diameter d = 60 leads to r = 30. We'll use this to find the surface area
SA = 4pi*r^2
SA = 4*pi*30^2
SA = 3600pi
For the smaller sphere (d = 30 and r = 15), we have
SA = 4pi*r^2
SA = 4*pi*15^2
SA = 900pi
The reduction factor is (900pi)/(3600pi) = 1/4
The smaller sphere has its surface area 1/4 that of the larger sphere.
smaller surface area= (1/4)*(larger surface area)
This is equivalent to saying the larger surface area is 4 times that of the smaller surface area.
Please help!!!!!!!!!!!!!!!!!!!!
Answer:
I need more info to answer the question.
Step-by-step explanation:
I will give you brainliest and points like 100.
5 of the students in Lena's class have been in ballet and 9 have been in a play. 2 students have been both in ballet and in a play. How many students have been in ballet but not in a play?
Answer:
3 have only been in ballet
Step-by-step explanation:
If
5 have been in ballet
9 have been in play
2 have been in both ballet and a play
Then
3 have only been in ballet
7 have only been in a play
Answer:
4 students
Step-by-step explanation:
add 2 + 5 = 7
add 9 + 2 = 11
subtract 11 - 7 = 4
there was 2 students added to the 5 students, there was 2 students added to the 9 students/ Sorry if incorrect, i worked it out 4 times.
Express the ratio 1/2:2/3as a decimal
Answer:
0.5 : 0.75
Step-by-step explanation:
because 1/2 is .5 in decimal form and 2/3 is .75 in decimal form
PLEASE HELP I WILL MARK BRAINILEST
It is the first option
Step-by-step explanation:
please mark me as brainilest
can someone find the domain and range in this graph i’m having trouble
To find the domain of graph, we notice at the point on the left and the right.
Domain is the set of all x-values, so we perceive in a horizontal line or x-axis.
The first point on left is at x = -1 and the second point on the right is at x = 1.
Since the points are opened and therefore, the Inequality signs can only be > or <.
Therefore, the domain is -1 < x < 1
To find the range, similar to domain but we perceive vertical line or y-axis. Range is the set of all y-values.
We notice that the minimum point is -1 or y = - 1 and maximum point at 1 or y = 1.
Therefore, the range is -1 < y < 1
help!!!! Will give Brainly
B is the answer for this question due to the value of root and that's is root under 20
Answer:
Point B represents the location of
[tex] \sqrt{20} [/tex]
Step-by-step explanation:
As the value of under root 16 is 4 and the value of under root 25 is 5
So the location of under root 20 will be in between 4 and 5 on the number line
.
.
.
Hope it helps
Help, please!!!
A grocery store sign indicates that bananas are 3 for $1.50, and a sign by the oranges indicates that they are 5 for $3.00. Find the total cost of buying 2 bananas and 4 oranges.
(Screen shot question number 2 "How many laps can he swim in 6 minutes?")
3.40 and 15
Step-by-step explanation:
3 for 1.50 means 1 is 50 cents each.
5 oranges for 3 dollars mean each one is 60 cents.
So this equation is 4(.60)+2(.50)
=3.40
For the swimming problem,
divide the 2 and 5 and you should get 2.5.
Multiply 2.5 by 6 to get 15.
Here are the answers for the missing blanks
(2.5, 1) (5, 2) (7.5, 3) (10, 4) (12.5, 5)
PLZ I NEED HELP !!!! PROBABILITY The table shows the outcome of rolling a number cube. Determine whether the function that models the outcome of each roll is discrete, continuous, or neither discrete nor continuous. Then state the domain and range of the function, Roll Outcome 1 2 3 domain: AWOWA 4 5 range: 6 Price $45 14. AMUSEMENT PARK The table shows the price of tickets to an amusement park based on the number of people in the group. Determine whether the function that models the price of tickets is discrete, continuous, or neither discrete nor continuous. Then state the domain and range of the function, Group Size up to 15 people 16-50 people 51-100 people 101 or more people $38 $30 $26
From the functions, we have the following results:
The roll of number cubes is a discrete function; the domain and the range are [1,6] and [4,6] respectively.The amusement park function is a continuous function; the domain and the range are [0,[tex]\infty[/tex]) and [26,45], respectivelyI've added as an attachment, the table of the functions
1. Roll of number cube
From the table of the number cubes, we have:
[tex]Rolls = \{1,2,3,4,5,6\}[/tex]
[tex]Outcome= \{4,3,6,3,5,4\}[/tex]
Notice that
The number of rolls is finite i.e, 1 to 6.The outcome is also finite; i.e. 4 to 6This means that:
The function is discreteThe domain is: [1,6]The range is [4,6]2. Amusement park
From the table of the number cubes, we have:
[tex]Size = \{0-15,15-50,50-100,100-\infty\}[/tex]
[tex]Price= \{45,38,30,26\}[/tex]
Notice that
The group size is infinite i.e, 0 to infinity.The price is finite; i.e. 26 to 45This means that:
The function is continuous, because the group size infiniteThe domain is: [0.[tex]\infty[/tex])The range is [26,45]Read more about domain and range at:
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