How to subtract 4/5 and 3/10 in simplest form

Answers

Answer 1
First you must find a common denominator. In this case 10 will work. You then multiply the top number by whatever you multiplied the bottom number by. This is shown below:
4/5- 3/10 = 8/10- 3/10 
You can now solve this to get 5/10. This answer can then be reduced to 1/2. 
Answer 2
1- find a common denominator of 5 and 10. Their least common denominator is 10 so convert 4/5 to a fraction with a denominator of 10 ( 8/10). Now subtract 3/10 from 8/10 to get 5/10.

Related Questions

determine whether the ordered pair (12, -5) is a solution to the equation 3x-3y=21

Answers

Hi there!

No, it is not the solution to the equation 3x - 3y = 21

They give us (12, -5). Twelve represents x and -5 represents y.

So, all we have to do is plug them in.

3(12) - 3(-5) = 21
36 + 15 = 21
51 = 21

See... they are not equal because (12, -5) is not the solution of the equation.

Best of luck with your studies!

Please let me know if you have additional questions about my answer.

a root beer factory produces 132 554 cases in 100 days. About how many cases does the factory produce in 1 day? round your answer to the nearest tenth of a case. Show yohr thinking on the number line.

Answers

The robot beer company produces [tex]\fbox{\bf1325.5}[/tex] cases in one day.

Further explanation:

Given:

There is a robot beer factory that produces 132554 cases in 100 days.

Calculation:

As it is know that m objects produces [tex]x[/tex] cases in [tex]n[/tex] days, then [tex]m[/tex] objects produces cases in 1 day is [tex]\dfrac{x}{n}[/tex].

As it is given that the robot beer factory that produces 132554 cases in 100 days.

That means robot factory has total 132554 case which is produced by the worker of this company in 100 days.

Then the robot beer factory produces [tex]x[/tex] cases in 50 days is,

[tex]\begin{aligned}x&=132554\times\frac{{50}}{{100}}\\&=66277\\\end{aligned}[/tex]

That means if the robot beer company works for 50 days then the company produces 66277 cases which is the half of the 132554 cases as the number of days reduces to half.

The robot beer factory produces [tex]x[/tex] cases in 1 days is,

[tex]\begin{aligned}x&=132554\times\frac{1}{{100}}\\&=1325.54\\\end{aligned}[/tex]

That means if the robot beer company works for 1 days then the company produces 1325.54 cases which is the one hundredth of the 132554 cases as the number of days reduces to hundred times.

Since, we have to round the cases up to one decimal, the robot beer company produces [tex]\fbox{\bf1325.5}[/tex] cases in one day.

The robot beer company produces [tex]\fbox{\bf1325.5}[/tex] cases in one day.

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Answer detail:

Grade:Middle school

Subject:Mathematic

Chapter: Time and Work

Keywords:robot, factory, beer, 132554, cases, 100, days, 1, time, work, ratio, multiplication, division, 1325.54, 1325.5, produces.

Factory produces 1325.5 cases to the nearest tenth in 1 day.

What is an expression?

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now it is given that,

Number of cases produced by factory = 132,554

Number of days = 100 days

Thus, Number of cases produce in 1 day = Number of cases produced / Number of days

Number of cases produce in 1 day =  132,554/100

Number of cases produce in 1 day =  1325.54

Round to nearest tenth, We look at the second decimal place which is 4

that is less than 5 so we leave the tenth place alone

⇒ Number of cases produce in 1 day =  1325.5

Thus, Factory produces 1325.5 cases to the nearest tenth in 1 day.

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What is K/13 =0.6/0.5

Answers

k/13 = 0.6 / 0.5
Multiply both sides by 13
k = 7.8 / 0.5
Simplify
k = 78/5

Have an awesome day! :)
k/13 = 0.6 / 0.5
13(k/13) = (13)0.6/0.5
k =7.8/ 0.5
Simplify:
I got k=78/5

How do solve -1.3m=3.12

Answers

u divide 3.12 ÷ -1.3 and get m= -2.4 just look at my pic I send

Which is a better buy

5 for $1.00
Or
12 for $3:00

I really need help ASAP

Answers

5 for $1.00 because if you buy three sets for $1.00 getting 5 you will have 15 for $3.00 vs 12 for $3.000.
5= 1$
10= 2$
15= 3$
20= 4$
25= 5$
30= 6$
35 = 7$


12= 3$
24= 6$
36= 9$

5= 1.00 is better

Farmer bob has a lot of chickens and pigs. If the pigs and chickens had the total of 17 heads and 46 legs, how much of each animal does farmer bob have?

Answers

11 chicken and 6 pigs is the answer

2 x 11 + 4 x 6 = 46 legs

11 + 6 = 17 heads

R=5(CA−0.3) solve for c

Answers

Final answer:

To solve the equation R=5(CA−0.3) for C, divide both sides by 5, add 0.3 to both sides and then divide by A.

Explanation:

To solve the equation R = 5(CA - 0.3) for C, you would first divide both sides of the equation by 5 to isolate the (CA - 0.3) term on one side:

R / 5 = CA - 0.3

Next, you would add 0.3 to both sides of the equation to get CA by itself:

(R / 5) + 0.3 = CA

Finally, to solve for C, you would divide the entire equation by A, assuming A is not zero:

C = [(R / 5) + 0.3] / A

I'll give you brainliest answer... please help! Thank you.

Answers

first lets find the area of the circle: Pi*r^2

3.14*16

50.24

now lets find the rectangle: l*w

3*2=6

subtract 6 from 50.24 to get 44.24

the area shaded is 44.24
First, you need to find the area of the entire circle which would be 16π when ou use the area of a circle formula: a= πr^2. Then you find the area of the rectangle which is 6. To find the area of the shaded region you subtract 6 from 16π, making your answer: 16π-6

For what value of x does g(x)=0 ?

Answers

the answer is 6 but it crossed on the X axis 

Answer:

6 Because it crossed the X-Axis.

Step-by-step explanation:

what is the slope of this line −4x+7=2y−3

Answers

First, change this equation to y-intercept form:
-4x+7=2y-3
2y = -4x+10
y= -2x + 5
The slope is -2, which is the coefficient for x in y-intercept form.
Final answer:

The slope of the line −4x + 7 = 2y − 3 is 2.

Explanation:

To find the slope of the line, we need to rewrite the equation in the form y = mx + b, where m represents the slope.

Start by rearranging the given equation:

−4x + 7 = 2y − 3

Add 4x to both sides:

7 = 2y − 4x − 3

Combine like terms:

7 = 2y − 4x − 3

Now, isolate the y variable:

2y = 4x + 10

Divide both sides of the equation by 2:

y = 2x + 5

The equation is now in the form y = mx + b.

So, the slope of the line is 2.

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Can Anybody teach me how to do this problem step by step?

Answers

Find the LCD of the two denominators.
It is 6.
Now multiply both sides of the equation by 6.

6 * (k - 4)/2 - 6 * (k + 6)/3 = 6 * 5

3(k - 4) - 2(k + 6) = 30

3k - 12 - 2k - 12 = 30

k - 24 = 30

k = 54

A block of wood has a mass of 120g and a volume of 200cm3. What is the density of the wood?

Please provide an explanation!

Answers

density=mass/volume
given mass=120g and volume=200cm3
density=[tex]\frac{120g}{200cm^3}=\frac{3}{5} \space\ \frac{g}{cm^3}[/tex] or abot 0.6


the density is [tex] 0.6 \space\ \frac{g}{cm^3}[/tex]

Answer: [tex]0.6\ g/cm^3[/tex]

Step-by-step explanation:

We know that the formula to find density is given by :_

[tex]\text{Density}=\dfrac{\text{Mass}}{\text{Volume}}[/tex]

Given : Mass of block of wood = 120 g

Volume = [tex]200\ cm^3[/tex]

Then, the density of wood is given by :_

[tex]\text{Density}=\dfrac{120}{200}=0.6\ g/cm^3[/tex]

Hence, the density of wood = [tex]0.6\ g/cm^3[/tex]

Angle MNO is rotated 90 degrees counterclockwise about the origin to form angle M'N'O'. Which statement shows the measure of angle M'N'O'?

m∠ M'N'O' = 90 degrees
m∠ M'N'O'= 180 degrees
m∠ M'N'O' = 2 ⋅ m∠MNO
m∠ M'N'O' = m∠MNO

Answers

The answer is "m∠ M'N'O' = m∠MNO"

Answer:

The answer is m∠ M'N'O' = m∠MNO

Step-by-step explanation:

If the Angle MNO is rotated 90 degrees counterclockwise about the origin. The new angle formed by ' will be the same as the rotation doesn't alter neither the shape or size of the figure. Therefore, we can conclude that MNO and M'N'O' are congruent (Same lenght and angle).

We want to partition 100 mL into 10 equal parts. How many milliliters should we pour in each cup?

Answers

10 mililiters per cup

0.009 is 1/10 of which decimal

Answers

the answer would be 0.09
It will be 0.09 hope this helps!❣️

What is the y-intercept of the graph that is shown below?



(–2, 0)
(–1, 2)
(0, 4)
(4, 0)

Answers

Answer:

The correct answer is C- (0,4)

Step-by-step explanation:

edge 2021

The y-intercept of the given graph is (0,4).

What is  y-intercept?

The y-intercept is the point where the graph intersects the y-axis.

Given a graph, where a straight line is intersecting x-axis at -2 and y-axis at 4.

So, x-intercept = (-2,0)

y-intercept = (0,4)

Hence, The y-intercept of the given graph is (0,4).

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a cube has a volume of 8 cubic inches what is the length of each edge of the cubes

Answers

The answer should be 2. 2x2x2=8

The length of each edge of the cube is 2 in.

Given:

Volume of cube = [tex]8 in.^{3}[/tex]

*image of a cube is shown in the attachment.

Recall:

Formula for volume of a cube is given as:

[tex]V = a^{3}[/tex]

where,

[tex]a =[/tex] length of each edge of the cube

[tex]V = 8[/tex]

Plug in the value into the formula to find a.

[tex]8 = a^{3}\\\sqrt[3]{8} = \sqrt[3]{a^{3} } \\2 = a\\a = 2[/tex]

Therefore, the length of each edge of the cubes is 2 inches.

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find 1/9 as many as 3 divided divided by 5

Answers

1/9 as many 3 divided by 5 is (3 divided by 5) divided by 9

A culture of 1.08×1015 bacteria is in petri dish A. A culture of 2.7×1011 bacteria is in petri dish B.

How many times greater is the number of bacteria in petri dish A than petri dish B?

PLEASE ANSWER QUICKLY

Answers

 1.08×10^15
------------------ = 0.4 x 10^4 = 4000
 2.7×10^11

answer
4000 times greater

Answer:The number of bacteria in petri dish A is 4000 times greater than petri dish B.


Step-by-step explanation:

Culture of bacteria in petri dish A=[tex]1.08\times10^{15}[/tex]

Culture of bacteria in petri dish B=[tex]2.7\times10^{11}[/tex]

Dividing culture of bacteria in petri dish A bu culturebacteria in petri dish B ,we get

[tex]\frac{1.08\times10^{15}}{2.7\times10^{11}}=\frac{108\times10^{15-11}}{270}\\\\=\frac{108}{270}\times10^{4}=0.4\times10^4=4000[/tex]

Therefore, the number of bacteria in petri dish A is 4000 times greater than petri dish B.

Margie draws a rectangle and colors 3/5 of it blue. She then draw red stripes over 1/2 of the colored parts. How much is the stripes of the rectangle

Answers

she drew stripes on 1/2 of the 3/5 colored art

1/2 * 3/5 = 3/10 of the rectangle is striped

donovan. and three friends go to a fair they each spend 1/2 of their money on rides. then, they each spend $3 on food. at the end of the day, donovan and his friends have a total of $8 remaining how much money did each person spend

Answers

Answer:

Each person spent $10.

Step-by-step explanation:

Let the money spent by each friend = $x

Number of persons including Donovan = 4

Total amount spent by all friends all together = $4x

Since each spent half of their money on rides so amount spent on rides = [tex]\frac{4x}{2}[/tex] = $2x

Then they each spent $3 on food so total money spent = $(2x + 12)

Remaining money = $8

Now the equation will be

$4x - $(2x + 12) = $8

4x - 2x - 12 = 8

2x - 12 = 8

2x = 12 + 8

x = $10

Therefore, each friend spent $10.

Final answer:

To find out how much each person spent, we formulate a math equation representing each person's spending and savings, solve for the initial amount, and then subtract the remaining money.

Explanation:

Let's start by stating the problem clearly. Donovan and three friends go to a fair. They each spend 1/2 of their money on rides. Then, each spends $3 on food. At the end of the day, they have a total of $8 remaining. To find out how much they each spent, we need to first work out the total amount of money they started with. Let's denote each friend's initial amount of money as X.

They each spend X/2 on rides and $3 on food. So at the end of the day, each has X - X/2 - 3 left. Sum this for Donovan and three friends and set this equal to $8. Therefore 4(X - X/2 -3) = $8. This equation can be used to solve for X, thus letting us know how much money each of them started with. See how much each spent by subtracting the remaining $2 (because $8 total remaining ÷ 4 = $2 per person) from this amount.

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Help with number 2 please

Best answer I will mark as brainliest

Answers

If Lea has given 23 surveys and has to give twice that then 2*23 = 46 which is the total amount needed. Therefore if she has already done 23 out of those 46, then 46-23 is the amount she still has to do. 46-23=23... Lea needs to do 23 more
23 because twice it would be 46 and she already did 23 so another 23 would be left

I don't get this I need help

Answers

We notice from the choices, that the problem is solved using the Pythagorean theorem somehow. How?

If ABC was a right triangle, the hypotenuse would be BC (the largest side), so the right angle would be A.

In that case we would have 54 squared (which equals 2916) equal to the sum of the squares of 22 and 51 (which equals 3085).

If the triangle was a right triangle, [tex]22^2+51^2[/tex] would be exactly equal to [tex]54^2[/tex], but it is larger. This means that a right angle is not large enough to 'enclose' [tex]22^2+51^2[/tex]. Thus angle A must be opened more that 90°.

Thus the answer is D:
 an obtuse triangle because  [tex]22^2+51^2>54^2[/tex]

What is the $25 fee Maria’s mother paid when Maria visited the doctor

Answers

the fee is known as a co pay.

Eli need to save $235 to earn money he plans to mow lawn’s and charged $21 for each write two estimate you like you to determine the number of lawns he need to mow decide which estimate you think is the better one Eli to use explain your reasoning

Answers

An estimate is that he needs to mow 22 lawns to save enought money.

What is the greatest 3 digit number you can subtract from 426 so that you would need to regroup?

Answers

Do you want me to explain it?

Answer:

419

Step-by-step explanation:

Regrouping in subtraction: If we borrow from one group (tens group) and give to another (Once group) so that the operation can be completed, then this process is called regroup.

For example: We need to find the value of 52-39

[tex]52=50+2[/tex]

[tex]39=30+9[/tex]

We can not subtract 9 from 2. So we will borrow 10 from 50 and give to 2.

[tex]52=40+12[/tex]

Now,

[tex]52-39=(40+12)-(30+9)[/tex]

[tex]52-39=(40-30)+(12-9)[/tex]

[tex]52-39=(10)+(3)[/tex]

[tex]52-39=13[/tex]

We need to find the greatest 3 digit number that can subtract from 426 so that we need to regroup.

To use regroup, the once digit must be more that 6. So, maximum value for once place is 9.

Therefore, the greatest 3 digit number that can subtract from 426 by using regroup is 419.

You are heating liquid in a chemistry lab. Four minutes ago, the temperature of the liquid was -4 degrees Celsius. Since then, it has been going up at a steady rate of 2 degrees per minute.
A. Write an equation that tells you the relationship between temperature and time at any given time. Designate the current time as 0.
B.Use your equation to predict the temperature of the liquid 15 minutes from now.

Answers

The rate of temperature rise is 2 degrees/minute.

The relation between temperature and time is of the form
y = 2x + b
where
x = time, minutes,
y = temperature, Celsius

When x = -4 min, y = - 4°C because the temperature was - 4°C 4 minutes ago. Currently, x = 0.
Therefore
-4 = 2(-4) + b
-4 = - 8 + b
4 = b

Part A
The relation is y = 2x + 4

Part B
When x = 15 (15 minutes from now), the temperature will be
y = 2(15) + 4 = 34°C

Answer: 34°C

A game normally cost $53.00, but Isabel used a coupon and got the game for $37.10. The coupon was for what percent off.

Answers

We could use the numbers and the difference of the original cost - the end price in a equation.

53 × x/100 = 15.9

Cross multiply 100 × 15.9.

53x=1590

Divide both sides by 53.

x=30

The coupon was 30%
i think it is 30 because if you take 37.90 from 53.00 you get 15.90 and you calculate it like this:
                                          15.90×100≈1590÷53≈30%

How do you write " Five less than the product of a number n and 26 is at least 8"

Answers

Final answer:

To write 'Five less than the product of a number n and 26 is at least 8', we can use an inequality to represent the given information.

Explanation:

To write "Five less than the product of a number n and 26 is at least 8", we can use an inequality to represent the given information. The word "less than" suggests the use of the less than symbol '<'. 'Product' means multiplication, so we have n * 26. The word 'is' indicates the use of the equal sign '=', and 'at least' means greater than or equal to, so we use the greater than or equal to symbol '>='. Combining all the information, the equation becomes:

n * 26 - 5 >= 8

Using this equation, you can find the value of n that satisfies the inequality.

Jane will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $55 and costs an additional $0.20 per mile driven. The second plan has no initial fee but costs $0.70 per mile driven. How many miles would Jane need to drive for the two plans to cost the same?

Answers

She will need to drive 110 miles to be the same
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