Answer:
B,b‒a is a positive.
Step-by-step explanation:
if a=‒x x=rational number
b=x
let's see these by examples
A,a‒b is a positive, ‒x‒x=‒2x (the answer is negative) so this is wrong
B,b‒a is a positive, x‒(‒x)=x+x=2x (the answer is positive)so this is correct answer
C,b+(‒a) is a negative,x+‒(‒x)=x‒(‒x)=x+x=2x(the answer is positive)so this is also wrong
i hope it helps you
Please Help the picture down below
show your reasoning for 20 point
Please help! I with give
There is no answer choices
Answer:
B=5
Step-by-step explanation:
25/5=5
I don´t know about scale factor so I will also say 5
Answers:
Scale factor = 1/5B = 5===========================================
Explanation:
Look at the left most sides of each figure. Dividing the smaller side over the larger leads to 7/35 = (1*7)/(5*7) = 1/5. This is the scale factor. It means the blue figure's side lengths are 1/5th of the orange figure's corresponding side lengths.
So that explains why your teacher put A = 20(1/5) = 4
Multiplying the orange side lengths by the scale factor gets you the blue side lengths.
Now focus your attention on the far right most side lengths of 25 and B
We can see that B = 25(1/5) = 5 feet.
Select all the rates that are unit rates.
1/1/3
2/3/1
2/3
3/1
1/9
Answer:
It is 2/3/1 and 3/1
So B and D
Step-by-step explanation:
Kevin bought 15 chicken wings for $31.50. How much would it cost for 7 wings?
Answer:
14.7
Step-by-step explanation:
14.7 Is the answer
If the measure of 6 8 is 28◦
, what is the measure of
6 5 ?
A 152◦
B 118◦
C 62◦
D 56◦
Answer:B 118
Step-by-step explanation:
Answer:
B 118◦
Step-by-step explanation:
Ellen filled the glasses shown below completely with water. The total amount of water that Ellen poured into the glasses is 200 cubic centimeters. What is the height of glass 1? Round your answer to the nearest hundredths. (Use π = 3.14.) Note that all measurements are in centimeters and images are not drawn to scale.
A cylinder with width 6.2 and height unknown is labeled glass 1, and a cone with height 7.3 and width 6.4 is labeled glass 2.
0.20 centimeters
4.04 centimeters
3.92 centimeters
5.64 centimeters
Answer=4.04
Volume in both glasses = Volume (glass 1) + Volume (glass 2)
Volume (glass 1) = πr²h
r= 6.2/2 = 3.1 cm
Volume (glass 1) = πr²h = (3.1)²πh= 9.61πh
Volume (glass 2) = (1/3)πR²H
R= 6.4/2 = 3.2 cm
H = 7.3 cm
Volume (glass 2) = (1/3)πR²H= (1/3)π(3.2)² * 7.3 = (74.752/3)π
Volume in both glasses = πr²h + (1/3)πR³H
200 = 9.61πh + (74.752/3)π
9.61πh= 200 - (74.752/3)π
h= (200 - (74.752/3)π)/(9.61π) ≈ 4.03 cm
Answer is h=4.04 cm.
Answer:
h=4.04 cm.
Step-by-step explanation:
Two weeks ago, Audrey earned $84 for 7 hours of work. This week, she earned $132 for 11 hours of work. Find the numerical value of the slope of the line that represents Audrey's earnings.
Answer:
The slope is (132-84)/(11-7)=48/4=$12 per hour
Step-by-step explanation:
What is 5 times 6 plus 8 divided by 3 time 6n<3 if n is 4
Answer:
0.528<3
Step-by-step explanation:
[tex] \frac{5 \times 6 + 8}{3 \times (6 \times n)} < 3[/tex]
[tex] \frac{5 \times 6 + 8}{3 \times (6 \times 4)} < 3 [/tex]
[tex] \frac{38}{72} < 3[/tex]
0.528<3
Answer:
you should use math-way it helps with math questions
Step-by-step explanation:
real quick question what's the solution to 0.5x - 5 = 0.4x - 2.75
Answer:
-2.25=.1x
-22.5=1x
Step-by-step explanation:
Answer:
-2.5
-1.1
Step-by-step explanation:
plz help and plz show work 10.
Answer: The answer is x=4
Step-by-step explanation:
1/2x+15=5+3x
subtract 5 from both sides and now you have 1/2x+10=3x
Subtract 1/2x from both sides, leaving you with 10=2.5x
then divide 2.5 from both sides. That leaves 4=x or x=4
Shirts are on sale for 20%.You buy 2 of them. As you pay, the cashier says, “20% off of each shirt means 40%off the total price.” Do you agree or disagree? Please explain thoroughly.
Answer:
disagree
Step-by-step explanation:
you don't go to a store that has shirts on sale for 20 percent off and buy 2 shirts and get 40 percent off you get 20 percent off of your total
58+0=58 is the property of what?
why do we learn properties of real numbers?
answer quick :D
Answer:
The properties of the Real Number System will prove useful when working with equations, functions and formulas in Algebra, as they allow for the creation of equivalent expressions which will often aid in solving problems. In addition, they can be used to help explain or justify solutions.
Can some one Help me please!!!
Answer:
5. Yes. They are the same size and have the same perimeter
6. No. They are not the same size and dont have the same perimeter.
Step-by-step explanation:
its pretty obvious
PLEASE PUT THE REAL ANSWER!!!!!! FOR BRAINLIEST TOO
Answer:
When you do 68,000/6.8 you get 10,000.
Answer:
10,000
Step-by-step explanation:
You have the empty box clicked in the problem. It says "now divide 68,000 by 6.8." It gives you that hint so you know what to do. Let's do what it tells us.
68,000 / 6.8 = 10,000
Best of Luck!
please answer this one
Answer:
Store 2 has a better deal do u want an explanation
Step-by-step explanation:
okay so my explanation is if they both are selling for the same price then look at how many they are selling if store 1 is selling 12 for 3.50 and Store 2 is selling 15 then Store 2 has the better price. Hint if you ever have a problem lie this then you first look at the price if the price is the same then you look at how many they are selling if one of them is selling more than that is the better price
Find the value of [tex]\frac{a^{2} }{a^{4}+a^{2}+1}[/tex] if [tex]\frac{a}{a^{2}+a+1}[/tex] = [tex]\frac{1}{6}[/tex]. Please show all work.
Answer:
1/36
Step-by-step explanation:
notice the first equation is the second equation squared.
For instance, look at the numerator: a squared is a^2
Look at the denominator: a^2 squared is a^4 and so on.
So if the second equation is 1/6, then you need to square it to have it equal the second equation: (1/6)^2 = 1/36
plz help me and plz show work
help?
-1/3(9-24x)= 2x +3
a x=-1
b x=3/10
c x=-1
d x=-3/10
Answer:
First, you have to distribute the 1/3. To do this, you can either multiply everything in the parentheses by 1/3 or you can divide it all by 3. I will use the division method, so 24x/3 is 8x and -9/3 is -3, so now the expres
Adam can eat 3/8 of a pizza in 1/16 of a muinite complete the unit rate by setting up a complex fraction and simplifying Answers A) 1 pizza per minute B) 3 Pizza per minute C) 6 Pizza per minute D) 9 Pizza per minute Answer correctly and i will give away a giftcard
Erion plans to tile the floor of his kitchen. The kitchen is 11 feet by 15 feet. The tiles he will be using are square, measuring 8 inches on each side, and are sold in boxes that contain enough tile to cover 25 square feet. How many boxes of tiles must he order to complete the job?
Answer:
First, find the area for the kitchen floor: 16.5*15=247.5 squared feet
Then find the area for one tile: 0.5*0.5=0.25 squared feet
Finally, divide the mayor area between the minor: 247.5/0.25= 990 tiles.
Also you can do it in this another way:
First, divide length of the kitchen floor between the length of one tile: 16.5/0.5=33
Then, do the same for the height: 15/0.5=30
Finally multyply both results: 33*30= 990 tiles.
Step-by-step explanation:
or just 990
A case of 11 dozen place mats costs $23.76. What is the cost for one place mat?
$0.02
$0.18
$0.22
$2.16
Answer:
$2.16
Step-by-step explanation:
There are 11 mats. The question is asking for the price of 1 mat. You know that 11 mats cost $23.76. You devide $23.76 with the number of mats which is 7 and you get $2.16.
Relate a vertical line test to understanding functions.
a.
Each horizontal line drawn through the graph will intersect a function in only one location
c.
Each vertical line drawn through the graph will intersect a relation in only one location
b.
Each vertical line drawn through the graph will intersect a function in many locations
d.
Each vertical line drawn through the graph will intersect a function in only one location
Please select the best answer from the choices provided
A
B
C
D
Answer: Choice D
Each vertical line drawn through the graph will intersect a function in only one location.
This is another way of saying that for any input x, there is exactly one output y. If you had a vertical line cross through a curve at multiple points, then this would mean that x input produces multiple y outputs, and we won't have a function. A function must produce one output whatever the input is (assuming the input is in the domain of course).
Which two city parks have equivalent ratios of planted maple trees to the total number of trees in the park?
City Parks---------------------Maple trees planted-------------------Total trees planted
Eastern------------------------------------14--------------------------------------126---------------
West end---------------------------------23-------------------------------------207--------------
South side-------------------------------24--------------------------------------214--------------
North ridge------------------------------18---------------------------------------158---------------
Answer:
Eastern and west end
Step-by-step explanation:
divide by nine
Answer: eastern, west end
Part A: The sun produces 3.9 ⋅ 1033 ergs of radiant energy per second. How many ergs of radiant energy does the sun produce in 1.55 ⋅ 107 seconds? (5 points)
Part B: Which is the more reasonable measurement of the diameter of a human hair:
1.8 ⋅ 10−2 mm or 1.8 ⋅ 102 mm? Justify your answer. (5 points)
Using the multiplication operation, the Number of ergs produced in [tex]1.55 \times 10^{7} [/tex] is [tex] 6.045 \times 10^{40} \: ergs [/tex]
Eggs produced per second = [tex]3.9 \times 10^{33} [/tex] Number of seconds = [tex]1.55 \times 10^{7} [/tex]Total number of ergs produced can be calculated thus :
Ergs per second × number of seconds[tex]3.9 \times 10^{33} \times 1.55 \times 10^{7} = 6.045 \times 10^{33+7} = 6.045 \times 10^{40} \: ergs [/tex]
Therefore, the Number of ergs produced in [tex]1.55 \times 10^{7} [/tex] is [tex] 6.045 \times 10^{40} \: ergs [/tex]
B.)
Due to the very small measure of the diameter of the human hair, a measure of [tex]1.8 \times 10^{2} mm[/tex] would be too large, Hence, the value [tex]1.8 \times 10^{-2} mm[/tex] would be more appropriate
Learn more :https://brainly.com/question/18796573
Please help meeeee I'll give 9 points. Describe a sequence of translations, rotations, and reflections that take the lower left triangle to the upper right triangle.
Answer:
A rotation or a reflection and a translation
Step-by-step explanation:
Ik I'm 2 years late but still.
The required angle of rotation is 180° and reflection along the diagonal of the composite figure of a rectangular flag will shift the lower left triangle to the upper right.
Given that,
To describe a sequence of translations, rotations, and reflections that take the lower left triangle to the upper right triangle.
Incongruent geometry, the shapes that are so identical. can be superimposed to themselves.
Here,
To shift the lower left triangle to the upper right,
First It must rotate by an angle of rotation of 180° around the center of the geometry, Or it must reflect to the left diagonal.
Thus, the required angle of rotation is 180°, and reflection along the diagonal of the composite figure of a rectangular flag will shift the lower left triangle to the upper right.
Learn more about congruent geometry here. https://brainly.com/question/12413243
#SPJ2
what is the slope of the line passing through the points (0, −5) and (4, 2)?
Answer:
1.75
Step-by-step explanation:
Which expression has an estimated product of 60?
(29.5) (1.7)
(13.2) (4.5)
(4.67) (9.8)
(7.3) (8.52)
Answer:
(13.2)(4.5)
Step-by-step explanation:
This is correct because you know that you could round one up, and one down. You know that 12*5 = 60, so you could estimate that these would have a product of 60.
Answer:
i think it is (13.2)(4.5)
Step-by-step explanation:
hope it helps
Please help me. Im not having a great day but this would make me feel better :)
Answer:
B.
Step-by-step explanation:
i think
answer both quickly with work or explaination. will give brainliest!