Divide 42 in a ratio of 1:2:3?

Answers

Answer 1
Ratio 1:2:3 means we have x, 2x and 3x as the three parts

x+2x+3x = 42
6x = 42
6x/6 = 42/6
x = 7

Since x = 7, this means 2x = 2*7 = 14 and 3x = 3*7 = 21

Dividing 42 into the ratio of 1:2:3 means we have 7:14:21 as the answer

If we divide all three parts of 7:14:21 by the GCF 7, we reduce it down to 1:2:3

As a check, 
7+14+21 = 21+21 = 42
so it works out

Related Questions

Please explain this math question to me!


6(4) ÷ 2 − 1 + 5

Answers

6 times 4 is 24, divided by 2 is 12, minus 1 is 11, plus 5 is 16.
Use your order of operations. Parentheses first. You don't have any exponents so you do multiplication and division next from left to right just don't do addition or subtraction yet. After the multiplying and dividing is complete add and subtract from left to right!!!

I need help solving this problem

Answers

to answer the question you will need another month

6% of 124 =
7.44
0.744
74.4
744
If you could explain would be great

Answers

To turn a percentage into a decimal, divide it by a hundred. So, 6% --> 6/100 which is 0.06.  To find a percentage of a number, multiply the number by the percent in decimal form. In this case, 124 x 0.06. The answer is 7.44. So 6% of 124 is 7.44

9. Simplify the expression. 8 – 5(12x + 8) A) 36x + 24 B) –60x – 32 C) –60x + 16 D) –60x + 48

Answers

8 - 5(12x + 8)

8 - 60x - 40 

-60x + (8 - 40)

-60x - 32

hope that helps, God bless!

Yuto left his house at 10 a. m. to go for a bike ride. By the time Yuto’s sister Riko left their house, Yuto was already 5.25 miles along the path they both took. If Yuto’s average speed was 0.25 miles per minute and Riko’s average speed was 0.35 miles per minute, over what time period in minutes, t, starting from when Riko left the house, will Riko be behind her brother? Riko will be behind Yuto when 0 ≤ t < minutes.

Answers

-- When Riko left the house, Yuto was 5.25 miles ahead of her.  

-- From the time she left the house, she gained (0.35 - 0.25) = 0.1 mile on Yuto 
every minute ... closing the gap at the rate of 0.1 mile per minute.

-- If she can keep it up, she'll close the gap in (5.25 / 0.1) = 52.5 minutes.

-- Riko is behind her brother when  0 ≤ t < 52.5 minutes .
 Riko left the house and Yuto was 5.25 miles ahead of her.  
From the time when she left the house, she gained 0.35 - 0.25 = 0.1 mile on Yuto for every minute at the rate of 0.1 mile per minute.
 If Riko can keep it up, she'll catch up to Yuto in 52.5 mins.
 5.25 / 0.1 = 52.5 minutes.
 Riko is behind her brother when 0 [tex] \leq [/tex] t < 52.5 minutes. 

Find all points on the curve x^2-y^2=1 passes through

Answers

Hello Graciewarren2396, the answer is : x=y2+1 or x=−y2+1

Maryam earns a salary of $35,000 a year. Her benefits are equal in value to 35 percent of her salary. What is the value of Mayam's benefits?

Answers

35% of $35,000 is $12,250

As per linear equation, the value of Mayam's benefits is $12250.

What is a linear equation?

A linear equation is an equation where there are one or multiple variables. However, the highest power of any variable is one.

Given, Maryam earns a salary of $35,000 a year.

Her benefits are equal in value to 35 percent of her salary.

Therefore, the value of Mayam's benefits is

[tex]=[/tex] $[tex]\frac{(35000)(35)}{100}[/tex]

[tex]=[/tex] $12250

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A 20 foot ladder is leaned against a wall. if the base of the ladder is 8 feet from the wall, how high up the wall will the ladder reach? Round to the nearest tenth.

Answers

Use the Pythagorean theorem.

a^2 + b^2 = c^2

8^2 + y^2 = 20^2

64 + y^2 = 400

y^2 = 336

y = √336 = 4√21 ≈ 18.33

A $100 bill, Two $20 bills,three $10 bills, and four $5 bills are placed in the bag. If a bill is chosen at random and you have to pay $15 to play the game. what is the expected value for the game?

Answers

Final answer:

The expected value for the game is $4, which means on average a player would expect to gain $4 before the entry fee. However, after subtracting the cost to play ($15), the net expected value is -$11, indicating a loss on average for each play.

Explanation:

To determine the expected value of the game mentioned, we first identify the possible outcomes and their corresponding probabilities. Next, we multiply each outcome value by its probability, and sum up these products. Finally, we deduct the cost of the game ($15) from the sum to find the expected net gain or loss.

Probability of picking a $5 bill = 4/10

The expected value (EV) calculation would be:

EV = (1/10 * $100) + (2/10 * $20) + (3/10 * $10) + (4/10 * $5) - $15

EV = ($10) + ($4) + ($3) + ($2) - $15

EV = $19 - $15

EV = $4

Therefore, the expected value for the game is $4. This means on average you would expect to gain $4 per game before considering the entry fee. Since you pay $15 to play, you need to subtract this from the $4 gain to obtain the net expected value, which would be -$11, indicating a loss in the long run.

A tree is standing next to a 40-foot high building. the tree has an 18-foot shadow, while the building has a 16-foot shadow. how tall is the tree, rounded to the nearest foot?

Answers

the tree should be 45 feet tall.

The height of the tree will be 45 feet.

What are ratio and proportion?

A ratio is an ordered set of integers a and b expressed as a/b, with b never equaling 0. A proportional is a mathematical expression in which two things are equal.

A tree is standing next to a 40-foot-high building. the tree has an 18-foot shadow, while the building has a 16-foot shadow.

Let x be the height of a tree. Then we have

x / 18 = 40 / 16

x = 45 feet

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The united states exports over 200 billion pounds of coal how many tons does the united states export

Answers

I think that would be 100 million pounds of coal.

Answer:100,000,000 tons

word form: one hundred million tons

Step-by-step explanation:

A sample of n = 9 scores has a variance of s2 = 144. what is the standard deviation for this sample?​

Answers

The relationship between variance and standard deviation is simply:

s = standard deviation

s^2 = variance

 

s = sqrt (s^2)

 

Therefore calculating for s:

s = sqrt (144)

s = 12

 

So we get the standard deviation is simply 12 scores.

Solve for x.

14+x>18



Enter your answer, as an inequality, in the box.

Answers

x is greater than or equal to 5

Write the expression in complete factored form. q^2(u-9)+c (u-9)

Answers

q²(u-9) + c(u-9)
= (u-9)(q²+c)  ←  complete factored form

It takes Lee's cat about 20 days to finish a five pound bag of cat food. Which is the best estimate of the number of pounds of cat food Lee's cat eats In one year

Answers

Lee's cat eats roughly 70 to 75 pounds of cat food a year.
Final answer:

Based on the daily consumption calculated from the given data, Lee's cat eats approximately 91.25 pounds of cat food in a year.

Explanation:

The question is asking for the estimated number of pounds of food that Lee's cat eats in one year. Lee's cat consumes a five-pound bag of food in 20 days. So, let's first determine how much he eats in 1 day. If 5 pounds is consumed in 20 days, then in 1 day, the cat eats 5/20, or 0.25 pounds.

Since there are approximately 365 days in a year, we multiply this daily consumption by 365. So, 0.25 pounds/day * 365 days/year = 91.25 pounds/year.

So, the best estimate for the amount of cat food that Lee's cat eats in one year would be approximately 91.25 pounds.

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The set of possible values of m is {5,7,9}. What is the set of possible values of k if 2k=m+3

Answers

when m = 5:

2k = 5+3

2k = 8

k = 8/2

k=4


when m = 7

2k = 7+3

2k =10

k = 10/2

k = 5


when m = 9

2k = 9+3

2k = 12

k = 12/2

k = 6

k = {4,5,6}

The point (1, −1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of θ? plz show me how u got the answer

Answers

We can model the problem using a right angle triangle. 

The two sides, AB and BC are equal
By Pythagoras, we find the length of AC = [tex] \sqrt{1^+1^} [/tex] = [tex] \sqrt{2} [/tex]

Using the sin ratio ⇒ sin θ = opposite/hypotenuse, we have
[tex]sin(45)= \frac{1}{ \sqrt{2} }= \frac{ \sqrt{2} }{2} [/tex]

Using the cos ratio ⇒ cos θ = adjective/hypotenuse, we have
[tex]cos(45)= \frac{1}{ \sqrt{2} }= \frac{ \sqrt{2} }{2} [/tex]

Using the tan ratio ⇒ tan θ = opposite/adjective, we have
[tex]tan(45)= \frac{1}{1}=1 [/tex]

The values of sine, cosine, and tangent for angle θ, where (1, -1) is on its terminal side, are sin(θ) = -1, cos(θ) = 1, and tan(θ) = -1, knowing that the point lies in the fourth quadrant.

To find the values of the sine, cosine, and tangent of an angle θ where the point (1, -1) is on its terminal side, we first recognize that this point lies in the fourth quadrant of the coordinate system. In this quadrant, cosine is positive, and sine and tangent are negative.

The point (1, -1) gives us the x and y coordinates on the Cartesian plane, which correspond to the lengths of the adjacent side and the opposite side of the right-angle triangle formed by the radius (hypotenuse) from the origin to the point, and the axes. Assuming we're dealing with a unit circle (which has a radius of 1), we can directly use the coordinates (1, -1) to find the cosine and sine:

cos(θ) = x = 1sin(θ) = y = -1tangent (θ) =  y/x = -1/1 = -1

Hence, for angle θ, cos(θ) is 1, sin(θ) is -1, and tan(θ) is -1.

A parcel of air, with less than 100% relative humidity, that is rising because of heat energy derived from the surface is ______ stable. unstable. conditionally unstable.

Answers

A parcel of air, with less than 100% relative humidity, that is rising because of heat energy derived from the surface is unstable.

Find the value of x for the rectangle

perimeter=26 meters
rectangle one the bottom is (x+3) m
on the right side of the rectangle (2x-6)m

Answers

(x+3)(2x-6)=26

2x(to the second power)-18=26

2x(to the second power) -18-26=26-26

2x(to the second power)-44 = 0

x=square root of 22,x= negative square root of 22

decimal form : x = 4.69042,x= -4.69042

Is this table represents function or not?

Answers

It is because you only have one output for every input

Answer: Yes

Step-by-step explanation: This table does represent a function. A function is where each input has exactly one output. Since none of the x-values repeat, this would represent a function.

The daily rainfall during two week period in april weeks was:1, 0.5, 0.3, 0, 0,0, 1.2, 3, 0, 1.1, 0.7, 2, 1.3, 2 inches. what was the mode during this two week peroid

Answers

Answer:

0

Step-by-step explanation:

The mode of the data is 2 which occurs more frequently during these two weeks.

What is the mode?

Mode is the number that appears most frequently in the given set of data. The Median represents the middle value of the given data when arranged in a particular order.

The daily rainfall during two week period in april weeks given as;

1, 0.5, 0.3, 0, 0,0, 1.2, 3, 0, 1.1, 0.7, 2, 1.3, 2 inches.

Calculation of the mode:

First, we Rearrange the data from the lowest to the highest value.

0, 0, 0, 0, 0.3, 0.5, 0.7, 1, 1.1, 1.2, 1.3, 2, 2, 3

Since there is an even number of data, find the mode in the middle;

0, 0, 0, 0, 0.3, 0.5, 0.7, 1, 1.1, 1.2, 1.3, 2, 2, 3

Therefore, the mode of the data is 2 which occurs more frequently during this two-week peroid.

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3xy=27 linear or not

Answers

Yes it is linear, because the final one is y=1/3x+9

The given function 3xy = 27 is not a linear function.

What are functions?

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

What is a linear function?

A linear function is defined as when the function has the highest degree of expression is 1, such as y = mx + c.

here,
Given function,
3xy = 27,


Simplifying the function,
3xy = 27
xy = 27/3
y = 9/x

Since, from the definition of the function, the given function is 9 reciprocal of x and is said to be a reciprocal function.

Thus, the given function 3xy = 27 is not a linear function.

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Add the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending powers of x. Find the sum of 4x3 + 2x2 - 4x + 3 and 7x3 -4x2 + 7x + 8.

Answers

4x^3 + 2x^2 - 4x + 3 + 7x^3 - 4x^2 + 7x + 8 =
11x^3 - 2x^2 + 3x + 11 <==

** its just a matter of combining like terms

Answer:

11x^3 - 2x^2 + 3x + 11

Step-by-step explanation:

we need to find the sum of 4x^3 + 2x^2 - 4x + 3 and 7x^3 -4x^2 + 7x + 8

To find the sum we add both the polynomials

4x^3 + 2x^2 - 4x + 3 + 7x^3 -4x^2 + 7x + 8

To add the polynomials we combine like terms

4x^3 + 7x^3 = 11x^3

2x^2 - 4x^2 = -2x^2

-4x+7x= 3x

3+8 = 11

So final expression is 11x^3 -2x^2 +3x+11

Payton created a presentation for his parents showing how his grades have improved over the past six months. what is an alternative data display that would better convey the information?

Answers

I believe that aside from the bar graph, the line graph would actually best suits to convey this information. Because just like the bar graph, we can actually see the peaks of the grades. And through the peaks, we can easily compare the grades one by one.

 

Answer:

line graph

(-7/10+0.15) ÷ (-0.125)

Answers

You can rewrite this as (-0.7+0.15) divided by (-0.125). That can be simplified to 0.8 divided by negative 0.125. Keep in mind that 0.125 is equal to one eighth. Using that knowledge, we can rewrite it as 0.8 times negative one-eighth. We take the reciprocal of 1/8 which is 8. 

0.8 times negative 8 is negative 6.4

The sum of the number x and 13 is 62

Answers

x + 13 = 62

x + 13 (-13) = 62 (-13)

x = 62 - 13

x = 49

hope this helps

HELP ASAP!!!
Is the line through points P(-3, -2) and Q(2, 3) perpendicular to the line through points R(10, -1) and S(15, -6)? Explain.
a. No, their slopes are not opposite reciprocals.
b. No; their slopes are not equal.
c. Yes; their slopes have product -1.
d. Yes; their slopes are equal.

Answers

line through points P(-3, -2) and Q(2, 3) 
slope = (3 + 2)/(2 + 3) = 5/5 = 1

line through points R(10, -1) and S(15, -6)
slope = (-6 + 1)/(15 - 10) = -5/5 = -1

perpendicular lines, slope is opposite and reciprocals
slope of line PQ = 1 and slope of line RS = -1
So they are perpendicular

answer
c. Yes; their slopes have product -1.

How to know whether to use sin or cos in physics?

Answers

Sine and cosine (and trigonometric functions in general) are used extensively in physics, and neither really has priority - it depends on the particular problem you're working on. Is there a particular problem that prompted your question?

Solve:
r/5 - 6 = -1

A) r = 1
B) r = 5
C) r = 10
D) r = 25

Answers

r/5 - 6 = -1

add 6 to both sides

r/5 = 5

multiply both sides by 5

r = 5 *5 = 25

r = 25

i believe its c?????

Each of the 25 students in Mr. McDonald's class sold 16 raffle tickets. If each ticket costs $15, how much money did Mr. McDonald's students raise?

Answers

25 x 16=400
400 x 15 = 6000$
Answer is 6000
240 dollars I think as 16*15 is 240
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