9) How many 2/5 s can you get from 4/5?​

Answers

Answer 1

2/5 + 2/5 = 4/5

So, 2

Answer 2
“How many 2/5 are in 1?”

I love the easy ones!

The real math folks generally ignore them I guess because the easy ones are not worth their time, leaving said easy ones to dilettantes like me, who then look smarter-than-I-really-am to the noobies.

Love the easy ones.

So, to the question: How many two-fifths are in one?

Well now. How shall we handle this? Hmm…

I know! Let's count the fifths (just numbers, no booze), because it's probably as good a way of getting to an answer as any other way, the question is about fifths, and counting the fifths will at least give us a picture of what we're dealing with here.

Let's jump ahead, to see where we want to end up:

We want to end up with five fifths, also known as 5/5, because 5/5 is the same as 1. How do I know that 5/5 is the same as 1? Well, I know (you'll just have to trust me on this) because saying “5/5” is the same as saying “5 divided by 5”, and saying “1/2” is the same as saying “1 divided by 2", and so on. This is true for all fractions.

So: if 5/5 is the same as 5 divided by 5, then 5/5 equals 1. (You can see why, right? Any number divided into itself is equal to one; also, five goes into five exactly one time!).

And counting the fifths,

1/5 + 1/5 + 1/5 + 1/5 + 1/5 = 5/5 = 1

Or, to count them another way,

1/5 + 1/5 = 2/5

2/5 + 1/5 = 3/5

3/5 + 1/5 = 4/5

4/5 + 1/5 = 5/5

Now that we can see what's inside of that 5/5, let's count how many two-fifths are in five-fifths by adding 2/5 together until we get as close to 5/5 as possible without going over:

2/5 + 2/5 = 4/5

leaving just 1/5 remainder, meaning that there are two 2/5 in 5/5.

We can see that that is true and correct by looking at our little counting exercise above.

Now to make sure our reasoning is clear let's count our fifths again, this time slightly rearranging the way we write the numbers, and then taking things one step further:

(1/5 + 1/5) + (1/5 + 1/5) + 1/5 = 5/5

(2/5) + (2/5) + (1/5) = 5/5

And there it is: there are two 2/5 in 1!

So let's complete the addition for the sake of those like myself who need to see these things through to their furthest conclusion:

(2/5) + (2/5) + (1/5) = 5/5

4/5 + 1/5 = 5/5

5/5 = 5/5

5/5 = 1

1 = 1. And 2/5+2/5=4/5.

Related Questions

Can someone help me ASAP please. I'll give extra points if right fr

Answers

Answer:

y = -1/4x + -6

Step-by-step explanation:

~Extra ~ question ~ for ~ the ~ weebs ~ at ~ the ~ end.~
~Can someone help me out on this question?~
~ Which statement must be correct? ~
.
.
.
.
.
~Extra question: From the MHA boys, who is the best MHA character (Including Villains)~
~You can add stuff like:
Hotest boy: ???
Cutest Boy: ???
Toughest boy: ???
Craziest Boy: ???
Most Annoying Boy: ???
etc. you get the idea~

Answers

Answer:

hello~ is this how im sopoused to talk~

Step-by-step explanation:

good bye~

Answer:

Imma be truthful here

Hotest boy: Bakugo

Cutest boy: Deku (everyone can relate) and Mineta

Toughest boy: Todoroki (hes mentally still stable after all that trauma-)

Craziest boy: Shigakari

Most Annoying Boy: Twice

Now imma talk about the mineta thing

Mineta would be the perfect little guy in the series if he wasnt a perv. He's super smart, but lets his single pringle self get in the way. So really he is cute when hes not being a perv.

please help me! Which triangles are similar to



A

B

C

△ABCtriangle, A, B, C?


43

°

43°

86

°

86°

A

A

B

B

C

C

Choose 1 answer:

Choose 1 answer:


(Choice A)

A


86

°

86°

43

°

43°

E

E

D

D

F

F




D

E

F

△DEFtriangle, D, E, F only


(Choice B)

B


86

°

86°

51

°

51°

G

G

H

H

I

I




G

H

I

△GHItriangle, G, H, I only


(Choice C)

C

Both


(Choice D)

D

Neither

Answers

Answer:

Triangle ABC and triangle EDF

The similar triangles are Δ ABC ~ Δ EDF ~ Δ GHI, both the triangles are similar to Δ ABC.

What are similar triangles?

Triangles are similar when their corresponding sides are equal ratios and their corresponding angles are congruent.

Given are triangles, Δ ABC, Δ EDF and Δ GHI,

Since, in Δ ABC and Δ EDF, two angles are shown congruent therefore, both are similar.

Also,

In Δ GHI,

∠ G + ∠ I = 129°

∠ H = 180° - 129°

∠ H = 43°

Since, we get, two angles congruent in both triangles Δ EDF and Δ GHI

Therefore, both the triangles Δ EDF and Δ GHI are similar,

Now,

Since, Δ ABC ~ Δ EDF and Δ EDF ~ Δ GHI,

Therefore, Δ ABC ~ Δ EDF ~ Δ GHI,

Hence, the correct option is "Both"

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Pls Help!! Will mark Brainliest!!
Hopefully it will show the pic this time

Answers

Answer:

Question 7: Company A has a lower rate

Question 8: Caiden's vehicle gets more miles per gallon

Step-by-step explanation:

Question 7:

According to the table for Company B's rates, if you divide the total cost by the square footage in each row, you would get $2.75/ft² each time. Therefore, Company A would charge the Smiths a lower cost per square foot.

$2.25/ft² < $2.75/ft²

Company A < Company B

Question 8:

Using the given equation, we already know that Caiden's vehicle has a gas mileage of 16.2 miles/gallon The graph for Ethan's gas mileage can be figured out using slope. Taking the points (0, 0) and (2, 30) on the line, we can figure out the line's slope.

slope = rise/run,

where "rise" is how much you add or subtract to get from the first y-value to the second, and "run" is how much you add or subtract to get from the first x-value to the second.

slope = rise/run

slope = 30/2

slope = 15/1

The slope of the line is 15, so that means the line's equation is y = 15x. Therefore, Ethan's gas mileage is 15 miles/gallon.

16.2 mpg > 15 mpg

Caiden > Ethan

find QR. help please and thank you<3

Answers

Answer:

QR = 1.3

Step-by-step explanation:

Sides TQ and TS are congruent, thus Δ QST is isosceles.

RT is a perpendicular bisector, that is it bisects QS at right angles, thus

QR = RS = 1.3

The measure of length of QR is 1.3 units.

What is an isosceles triangle?

Isosceles triangles are those triangles that have at least two sides of equal measure and two base angles are equal.

In the given triangle TQS, QT=TS=4.7 units, so triangle TQS, isosceles triangle.

In isosceles triangle TQS, TR is the perpendicular bisector.

Then QR=RS= 1.3 units

Therefore, the measure of length of QR is 1.3 units.

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Select the correct answer.
The function fx) = 2x + 3x + 5, when evaluated, gives a value of 19. What is the function's input value?
OA 1
OB-1
О с 2
OD. -2
OE-3

Answers

It’s C but I’m not entirely sure

The input value that gives an output of 19 is not listed in the answer choices. None of the options are correct.

What are the factors?

A number or algebraic expression that evenly divides another number or expression—i.e., leaves no remainder—is referred to as a factor.

Here,
We can start by setting up the equation:

2x² + 3x + 5 = 19

Subtracting 19 from both sides:

2x² + 3x - 14 = 0

(2x - 7)(x + 2) = 0

Using the zero product property, we can solve for x:

2x - 7 = 0 or x + 2 = 0

2x = 7 or x = -2

x = 7/2 or x = -2

Therefore, the input value could be either 7/2 or -2.

The answer choices do not include 7/2, but we can check both input values to see which one gives an output of 19:

f(7/2) = 2(7/2)^²+ 3(7/2) + 5 = 19.25

f(-2) = 2(-2)² + 3(-2) + 5 = 3

Thus, the input value that gives an output of 19 is not listed in the answer choices.

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can someone 10points!!!!

Answers

Answer:

it would be 19/15k

Step-by-step explanation:

Answer:

Hi! I think it's 15/8t and 19/15k

What is the measure of the missing angle?

Answers

23.3 is the exact answer

What is the mean of the data set? 300, 222, 285, 310, 345. Round to the nearest tenth.

Answers

Answer:

292.4

Step-by-step explanation:

Answer:

292.4

Step-by-step explanation:

Use the mean formula: sum of elements / number of elements

Plug in the numbers:

(300 + 222 + 285 + 310 + 345) / 5

1462 / 5

= 292.4

So, the mean is 292.4

Do it please..............h

Answers

Answer:

False

Step-by-step explanation:

-x^2+x is the same as x-x^2.

Only difference is the way it's written.

false , if it was opposite the signs would have switched

At a swimming pool the ratio of those wearing sunscreen to those not wearing sunscreen was 7 to 5. If the number of people not wearing sunscreen was 30, then how many people were wearing sunscreen?

Answers

Answer:

42 people are wearing sunscreen

Step-by-step explanation:

Step one:

given data

We are given that the ratio of those wearing sunscreen to those not wearing sunscreen was 7 to 5.

i.e 7:5

number of people not wearing sunscreen is 30

let us use part to part method to solve this problem

let the number of people wearing sunscreen be x

so,

7/5= x/30

cross multiply we have

5x=210

divide both sides by 5

x= 210/5

x=42 people are wearing sunscreen

Answer:

I think the answer is 42 to 30. 42 kids wearing sunscreen and 30 kids were not. 30 divided by 5 is 6. 6 x 5 is 30. so 6 x 7 is 42. Hence 42 to 30. :)

–7 y = –28


Answer:
y = ?

Answer the ? Mark pls

Answers

Answer:

y=4

Step-by-step explanation:

-28 divided by -7 equals to 4

Hope this helps!!

Answer: y = 4

Step-by-step explanation:

-7y/-7 = -28/-7 So, Both the -7's cancel out and your left with y= you divide -28 by -7. When you divide both of the numbers you get a positive 4.

what is the equation for the line in the slope intercept form enter your answer in the box ​

Answers

Answer:

i belive it is y=-4x+5

Step-by-step explanation:

i just did the test

Answer: Y-4+5 Is the answer

Step-by-step explanation:

The following set of coordinates represents which figure? (1,1), (5,3), (7,7), (3,5)

Answers

Answer:

1×1÷11. 5×3=15. 7×7=49 3×5=15 I'm not really sure but is there's anything else

The measures of the angles of a triangle are shown in the figure below. Solve for x.
(6x+20)
105
(7-10)

Answers

Answer:

x=5

Step-by-step explanation:

Angles in a triangle adds up to 180 degrees

so 105 + (6x+20) + (7x-10) = 180

simplify

115+13x=180

subtract 115 to each side

13x=65

divide by 13

x=5

check work

105 + (6(5) + 20) + (7(5) -10)

105 + (30 +20) +(35 - 10)

105 + 50 + 25 = 180

solve for x enter the number that belongs in the green box

(you will have to right-click on the image and open it in a new tab to be able to see it)

Answers

Answer:

fwufuhwwhfwfweofwefwef

Step-by-step explanation:

Please Help ASAP!!!!!!!!!!!!

Answers

Answer:

1. 5b-3

2. 6-b

3. 7-5b

4. 6+4b

The volumes of two cylindrical cans of the same shape vary directly as the cubes of their radii. If a can with a six-inch radius holds 1½ pints, how many gallons will a similar can with a 24-inch radius hold?

Answers

Answer:

The second similar can with a radius of 24-inch radius will hold 12 gallons

Step-by-step explanation:

The given parameters are;

The volumes of the cylindrical can ∝ (The radius of the cans)³

The volume of first can, V₁ = 1¹/₂ pints

The radius of the first can, r₁ = 6-inch

The radius of the second can, r₂ = 24-inch

Therefore, we have;

V ∝ r³

V = k × r³

∴ 1¹/₂ pints ∝ (6 in.)³

1¹/₂ pints = 43.3125 in³

∴ 43.3125 in³ = k × 216 in.³

The constant of proportionality, k = 43.3125/216 = 0.2005208333

Therefore, we have for the second can, we have;

V₂ = k × r₂³ = 43.3125/216 × (24 in.)³ = 2772 in.³

The volume of the second can = 2772 in.³

1 in.³ = 0.004329 gallons

∴ 2772 in.³ = 2772 × 0.004329 gallons = 12 gallons

Therefore, the volume the second similar can with a 24-inch radius will hold = 12 gallons.

HELP PLEASE!!! 100 POINTS

Answers

Answer:

3,400

Step-by-step explanation:

Answer: 10.5882353 I think I DO NOT PROMISE THIS IS RIGHT

Step-by-step explanation:

plz answer asap I rlly need help​

Answers

Answer:

-8/10, -3/16, 3/16

Step-by-step explanation:

Find
The value of x pls I need help

Answers

Answer:

x= 30

Step-by-step explanation:

this is an equilateral triangle so each of the 3 sides are equal to 2x

3*(2x) = 180°
6x=180

180/6=x
x=30

complete the addition equation that represents the associative property

Answers

1). 7....12
9....11
2). 8....9
3....9
That should be correct try that

isaac walks 6/10 of a mile in 1/5 of an hour. if his rate remains constant what is the walking rate in mph?

Answers

Answer A. 3 mph

A. 3 mph

please help!
"a line intercepts the point (3, -4) and has a slope of 17. what is the slope-intercept equation for this line?"
then it has the partially filled out equation:
y=17x+__

Answers

Answer:

-55 = b

Step-by-step explanation:

If you fill in the x and the y with the equation you have below, you would get:

-4 = 17(3)+b

Multiply 17 and 3

-4 = 51 + b

-55 = b

Answer:

y=17x-55

Step-by-step explanation:

4 = 17(3)+b

-4 = 51 + b Subtract 51 both sides

-55 = b

Hope this helps :)

Consider the line y = - 4x +3,
Find the equation of the line that is parallel to this line and passes through the point (2, -3).

Answers

Answer:

        y = -4x + 5     {slope-intercept form}

Step-by-step explanation:

y=m₁x+b₁   ║   y=m₂x+b₂   ⇔    m₁ = m₂

{Two lines are parallel if  their slopes are equal}

y = - 4x + 3    ⇒   m₁ = -4    ⇒    m₂ = -4

The point-slope form of the equation of a line it's y - y₁ = m(x - x₁), where m is the slope and (x₁, y₁) is the point the line passing through.

m = -4

(2, -3)   ⇒   x₁ = 2,  y₁ = -3

point-slope form:

y - (-3) = -4(x - 2)

y + 3 = -4x + 8             {subtact 3 from both sides}

y = -4x + 5        ←    slope-intercept form

whats 43.6 rouded to the nest tenth

Answers

Answer:

43.6

Rounded to the nearest 0.1 or

the Tenths Place.

The area of the triangle is 119 square feet. Find the base and the height.
(x + 3) ft.
(x + 6) ft.

Answers

Answer:

14 and 17

Step-by-step explanation:

(X+3)(x+6)0.5=119

x^2+9x+18=238

x=11

11+3=14

11+6=17

My friend needs help plz answer

Answers

Answer:

Order the data from least to greatest.

Find the median.

Calculate the median of both the lower and upper half of the data.

Ask me if you need more help!

Step-by-step explanation:

Answer:

31.5

Step-by-step explanation:

Select all numbers that have an absolute value of 0.75.
Choose all answers that apply:
7
5
B
7.5
-0.75
D
0.75

Answers

Answer:

d

Step-by-step explanation:

because it's the same number

The absolute value of the number 0.75 is 0.75 .

What is an absolute value?

Absolute value of a number is the distance value from zero without considering sign of a number. It is also represented as |x|, where x is any number.

Absolute value of a positive number is that same positive value. Distance of a positive number from zero is that positive number.

So absolute value of 0.75;

|0.75| = 0.75

Therefore, the absolute value of the number 0.75 is 0.75 .

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1 of 10
Factorise
C2 – 49
1

Answers

Answer:

The factorization of the given expression is [tex](c - 7)(c+7)[/tex].

Step-by-step explanation:

Consider the provided information.

[tex]c^2-49[/tex]

Use the formula of the difference of the square in order to factorize the given expression: [tex]a^2-b^2=(a+b)(a-b)[/tex]

[tex]c^2-49=c^2 - 7^2[/tex]

[tex]c^2-49=(c - 7)(c+7)[/tex]

Hence, the factorization of the given expression is [tex](c - 7)(c+7)[/tex].

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plz help me i beg of you? Read It!Researchers Charles Buffum and Craig Harger say that the destruction of the USS Revenge changed the course ofhistory. After the ship sank, the Navy demoted Oliver Perry, the ship's commander. Because of this demotion,Perry was denied another high seas command. Instead, he was assigned to the Great Lakes during the War of1812. Perry assembled and commanded a small American naval force. In the 1813 Battle of Lake Erie, with twobattleships and 500 men, he defeated the British and retained control of the Great Lakes. After the battle, Perrywas promoted to captain and awarded a medal by Congress. Buffum and Harger assert that ultimately theshipwreck of the USS Revenge played a direct role in shaping U.S. history and Perry's career.Do It!The wreck of the USS Revenge proved to beA deliberateBfaultlessCinevitableD advantageous Will award Brainliest Find the factors of 200m2 - 800n2. AGREE OR DISAGREE: All light can be seen. MARKING BRAINLIEST PLZ HELP! You are given the following five lines: Line 1: y=-2x + 9 Line 2: y= 1/2x + 1 Line 3: y= 2x + 2 Line 4: 6x - 3y = 6 Line 5: 4x + 2y = 4 Part A: Which two lines could be used to create a system of equations that has no solution? Explain your answer Part B: Which two lines could be used to create a system of equations that has many solutions? Explain your answer Part C: Which two lines could be used to create a system of equations that has one solution? Explain your answer C is clicked but I'm not sure if that is the answer I just clicked one. I need the answer to both. List two causes of the French revolution (cite) The freezing point of a mixture of water and salt isA. higher than that of pure waterB. the same as that of pure waterC. lower than that of pure waterD. none of the above please help will give brain What has allowed homosapiens to survive in different biomes? Paige has scored 12 soccer goals after playing 5 games. How many games will it take for her to score 72 soccer goals? I need the answer and dont put a random wrong answer just because you need points i really need to know this answer Please help answer asap. Find x could you elp me with this i need this now!!!!Elements of content are the feelings your artwork has and gives off.TrueFalseplease help me !!! [tex]\frac{1}{2 } + (-3)[/tex] HELP ANYONE CARE TO HELP ME?? Wendy bought a drill at a 10%-off sale. The same price was $75.60. Find the original price p please hurry!!!4. What happened to prisoners captured by the Egyptians in wars?They were made slaves.They married into the royal bloodline to keep it strong.They were sacrificed to the Egyptian gods.They were traded back to the enemy.