3 (4y + 1) + 2y what is the answer? ​

Answer:

Step-by-step explanation:

1:3

6:18

9:27

are all equivlent ratios

Final answer:

To choose 3 ratios in the simplest form, you must simplify the given ratios by dividing all the numbers by their greatest common divisor or the smallest among them. In genetics and chemistry, these simplified ratios are used to predict genetic outcomes and determine molecular compositions.

Explanation:

Choosing 3 ratios in the simplest form involves simplifying the given ratio. A ratio compares two quantities and can be written in various forms such as fractions, with a colon, or with the word 'to.' For example, 3:9, when simplified, becomes 1:3 as both numbers can be divided by 3. To express ratios as whole numbers or in the simplest form, divide all the numbers by the smallest number among them. For example, the ratio of 55:10:12 simplifies to 5.5:1:1.2, and when expressed as whole numbers, it becomes 5:1:1. In the subject of genetics, ratios such as 9:3:3:1 are used to predict outcomes based on genetic theory, and we can use data to test these ratios.

In chemistry, the mole ratio can be determined by dividing the molar amounts by the smallest molar amount. This is used to determine the ratio between different elements in a compound. For instance, if the molar amounts of elements in a compound were 0.03567 mol of Oxygen, 0.1070 mol of Carbon, and 0.2140 mol of Hydrogen, dividing each by the smallest molar amount of 0.03567 would give us a ratio that should then be expressed as whole numbers.

Answer:

V(m)=320 (1.005).

Step-by-step explanation:

Answer:

The answer is D

Step-by-step explanation:

Surface Area is the outside part of a shape. Opposite of Volume

To find the area of one side its L x H

So 7 x 7 = 49

Since all the sides of the cube are the same you don't need to figure out the area of the other sides

so 49 x 6 sides = 294

Answer:

SA =294 units^2

Step-by-step explanation:

The surface area of a cube is found by the following

SA = 6 s^2 where s is the side length

SA = 6* 7^2

SA = 6*49

SA =294 units^2

Answer:

Part A; 9

Part B; 14%

Step-by-step explanation:

Part A;

Knowing that pumpkin cupcake = 6

Total = add all the cupcake which is 2+1+5+6 = 14

Cross multiply

[tex]\frac{6}{14}=\frac{x}{21}[/tex]

6*21 = 126

126/14 = 9

Hence, Next 21 cupcakes sold, 9 cupcake will be pumpkin cupcake

-------------------------------------------------------------------------------------------------------------

Part B;

The probability of a chocolate cupcake being sold would be equal to the amount of chocolate cupcakes divided by the total number of cupcakes.

= 2/(2+1+5+6)

= 2/14

= 1/7.

We convert 1/7 to a percent.

When rounded to the nearest whole percent, we get the probability as 14%.

[RevyBreeze]

In the next 21 cupcakes sold, we would expect approximately 9 to be pumpkin cupcakes based on the past data. The probability of a chocolate cupcake being sold, based on this data, is approximately 14%.

The question is about predicting the expected number of pumpkin cupcakes sold based on past data and calculating the probability of a chocolate cupcake being sold.

Part A: In total, 2+1+5+6 = 14 cupcakes were sold. Out of these, 6 were pumpkin cupcakes which is approximately 43% of the total (6/14 = 0.43). If we project this percentage to the next 21 cupcakes, we would expect approximately 9 pumpkin cupcakes to be sold (0.43 * 21 = 9).

Part B: Out of the 14 cupcakes sold, 2 were chocolate. To find the probability of a chocolate cupcake being sold, you divide the number of chocolate cupcakes (2) by the total number of cupcakes (14) which is approximately 14%. So, the Probability (chocolate cupcakes) = 14 %.

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Answer:

What is the difference of the x-coordinates, (x2–x1)?

-6

What is the difference of the y-coordinates, (y2–y1)?

2

What is the distance from (–6, 2) to the origin?

6.32

The difference between the x-coordinates, (x2–x1) is -6, and (y2-y1)=2

and The distance from (–6, 2) to the origin is 6.32.

We have given a point,

[tex](x_1,y_1)=(0,0)[/tex]

x1=0 and y1=0,

[tex]\ (x_2,y_2)=(-6,2)\\\\[/tex]

x2=-6 and y2=2,

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

We have to find the difference of the x-coordinates, (x2–x1),

=-6-0

=-6

The difference of the y-coordinates, (y2–y1),

=2-0

=2

The distance from (–6, 2) to the origin,

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\d=\sqrt{(6)^2+(2)^2} \\d=\sqrt{36+4} \\d=\sqrt{40}[/tex]

[tex]d=\sqrt{40} \\d=6.32[/tex]

To learn more about the distance visit:

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Answer:

f(-8) = 104

Step-by-step explanation:

f(t) = t^2 - 5t

Let t=-8

f(-8) = (-8)^2  -5(-8)

       = 64 +40

       = 104

Pls mark Brainliest.

Answer:

f(-8) = 104

Step-by-step explanation:

f(-8) = (-8)^2 - 5(-8)

f(-8) = 64 + 40

f(-8) = 104

The slope of line a is -5, the slope of line b is 2.

Step-by-step explanation:

Answer:

Line A: -5

Line B: 2

Step-by-step explanation:

Hello!

Slope-Intercept Form: [tex]y = mx + b[/tex]

The slope of this is the "m" value, so that would mean it would be -5.

The slope of this would be 2, as it is the "m" value in the equation.

Answer:

$12.17

Step-by-step explanation:

15($0.75)=$11.25

8.25%--> 0.0825

$11.25(0.0825)= 92cents

$11.25 + $0.92= $12.17

Answer:

18x^2 - 45x + 28 , ( r + 4 )( r + 3 )

Step-by-step explanation:

Heres your answers :)

Answer:

The students would be expected to choose rock be 80 or students choose hip hop be 160 or choose to country be 120.

Step-by-step explanation:

Given:

In a survey of 90 students 20 choose rock, 40 choose hip hop and 30 choose country.

Now, to find the students expected to choose hip hop or rock or country in a school of 360 students.

Let the number of students expected to choose rock be [tex]x.[/tex]

Let the number of students expected to choose hip hop be [tex]y.[/tex]

Let the number of students expected to choose country be [tex]z.[/tex]

Total number of students = 360.

Now, to get the number of students choosing hip hop or rock or country by using cross multiplication method:

In a survey of 90 students 20 choose rock.

So, 90 is equivalent to 20.

Thus, 360 is equivalent to [tex]x[/tex].

[tex]\frac{90}{20} =\frac{360}{x} \\\\By\ cross\ multiplying\ we\ get:\\\\90x=7200\\\\Dividing\ both\ sides\ by\ 90\ we\ get:\\\\x=80.[/tex]

Thus, the number of students expected to choose rock is 80.

Now,

In a survey of 90 students 40 choose hip hop.

So, 90 is equivalent to 40.

Thus, 360 is equivalent to [tex]y.[/tex]

[tex]\frac{90}{40} =\frac{360}{y} \\\\By\ cross\ multiplying\ we\ get:\\\\90y=14400\\\\Dividing\ both\ sides\ by\ 90\ we\ get:\\\\y=160.[/tex]

Therefore, 160 students expected to choose hip hop.

And,

In a survey of 90 students 30 choose country.

So, 90 is equivalent to 30.

Thus, 360 is equivalent to [tex]y.[/tex]

[tex]\frac{90}{30} =\frac{360}{z} \\\\By\ cross\ multiplying\ we\ get:\\\\90x=10800\\\\Dividing\ both\ sides\ by\ 90\ we\ get:\\\\x=120.[/tex]

Hence, 120 students expected to choose country.

Therefore, the students would be expected to choose rock be 80 or students choose hip hop be 160 or choose to country be 120.

Answer:

Using a deduction theorem of 1.01%, we can use a punnet square to help. Being that both sides of an dissociates triage is always equal to the third we can punch in the calculations and conclude that the answer is... 1 - 1 = 0

Step-by-step explanation:

Answer:

It is not linear because it isn't a straight line.It isn't exponential because it doesn't have a constant rate of change. It isn't a quadratic equation because it can't be made into a simple form.

Hope this helps:)

Answer:

y = 5x + 180

Step-by-step explanation:

The question is incomplete. The complete question is stated below:

Alani wants to buy a $360 bicycle. She is considering two payment

options. The image shows Option A, which consists of making an initial down payment then smaller, equal-sized weekly payments. Option B consists of making 6 equal payments over 6 weeks.

A) What factors should Alani take into consideration before deciding

between Option A and Option B?

B) Suppose Alani could modify Option A and still pay off the bike in 5 weeks. Describe the relationship between the down payment and the weekly payments.

The image would be sent as an attachment.

SOLUTION:

We would only be providing answer to question B as it corresponds to the question being asked in brainly.com.

To solve this question, we would apply slope intercept form to get a linear equation:

y = mx + c

m = slope, c= constant

Option A initially involves making an initial down payment together with smaller, equal-sized weekly payments.

Modification of Option A: weekly payment would be done in 5weeks while down payment amount would be assumed to be half of total payment. Also it is assumed there is 0% interest rate.

As it is constant, Let the initial down payment = c

c = 1/2 * total payment

c = 1/2 * $360 = $180

m = 5weeks

y = total amount to be paid for the bike

y = $360

x = amount to be paid weekly after the down payment.

Relationship between down payment and weekly payment:

y = mx + c

mx = y-c

x = (y - c)/ m

y = 5x + c

y = 5x + 180

The relationship between a down payment and weekly payments during any sort of payment plan, including for a bike purchase, is an inverse one. If a down payment is introduced, it can either lower the amount of each weekly payment (with same total payment duration), or reduce the duration of the payments (with same weekly payment rate).

The question posed pertains to the relationship between a down payment and weekly payments when purchasing an item, in this instance, a bike. This is a concept of financial mathematics. Though the information provided in the references talking about burger and bus ticket purchases, it doesn't directly pertain to the student's question. So, let's illustrate with a different example.

Let's consider that the total price of the bike is $500. If Alani's weekly payments total up to $100, considering no down payment, she can indeed pay off the bike in 5 weeks. However, if a down payment is introduced, the total amount remains the same ($500) but it's divided differently. If Alani puts down $200 initially as a down payment, she still has $300 to pay off. Therefore, if she continues with her original plan of $100 weekly payment, she would be able to pay off the remaining amount in 3 weeks, not 5. However, if she still wishes to extend her payments to 5 weeks, she would need to pay less weekly. With the remaining $300 divided over 5 weeks, her weekly payments would reduce to $60.

The key take-away is that the introduction of a down payment reduces the amount payoff balance, and thus can reduce weekly payments if the payoff time remains constant. Alternatively, it can reduce the payoff period with unchanged weekly payments. This illustrates the inverse relationship between a down payment and the subsequent weekly payments.

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Answer:

nonstatistical, statistical, nonstatistical, statistical

Step-by-step explanation:

Its Correct!

Answer:

nonstatistical, statistical, nonstatistical, statistical

Step-by-step explanation:

The person above right

Final answer:

A function is characterized by having every input paired with exactly one output and by its graph passing the vertical line test. The graph being a straight line or overlapping itself are not definitive characteristics of a function.

Explanation:

The following statements best describe a function:

Not all functions have graphs that are straight lines, nor do their graphs necessarily overlap themselves. A graph can be a function even when it's not a straight line, and overlapping itself would violate the definition of a function where each input must have a unique output.

Answer:

Alma is correct because the probability of getting a five or a one is 1/9 compared to Blanca's which is 1/36

Step-by-step explanation:

Please refer to the attached image for explanations

Answer:

-Blanca is correct.

Step-by-step explanation:

Khan Academy

Given:

Given that Mr. McBride asks students to find the volume of the triangular pyramid.

The two students wrote the expression for the value of B, the area of the base of the pyramid which is attached in the picture below.

We need to determine the student who correctly wrote the value of B.

Expression for value of B:

The area of the base of the triangular prism can be determined using the formula,

[tex]B=\frac{1}{2}bh[/tex]

where b is the base of the triangle and h is the height of the triangle.

From the figure, the base of the triangle is 9 inches and the height of the triangle is 12 inches.

Substituting in the above formula, we get;

[tex]B=\frac{1}{2}(9 \cdot 12)[/tex]

Thus, the correct expression for the area of the base is [tex]B=\frac{1}{2}(9 \cdot 12)[/tex]

Hence, the expression wrote by MAE is correct.

Answer:

B)non contact force

Step-by-step explanation:

Answer:

Non contract force

Step-by-step explanation:

Im sure its correct Good luck!

Answer:

a

Step-by-step explanation:

Answer:

A.y=5/4x

Step-by-step explanation:

The correct option is b) 1/3. Billy's probability of rolling a 5 or higher on a six-sided die is 0.333 or 33.33%.

Probability of Rolling a 5 or Higher

Billy needs to roll a 5 or higher on a six-sided die (with faces numbered 1 through 6) to win the game. Let's calculate the probability.

→ The possible outcomes that satisfy Billy's condition are 5 and 6. Therefore, there are 2 favorable outcomes.

The total number of possible outcomes when rolling a six-sided die is 6.

Calculation

→ Number of favorable outcomes: 2 (rolling a 5 or a 6)

Total possible outcomes: 6

→ Probability (P) = (Number of favorable outcomes) / (Total possible outcomes)

→ P(E) = 2 / 6

          = 1 / 3

          ≈ 0.333

Therefore, the probability that Billy will roll a 5 or higher to win the game is approximately 0.333 or 1/3.

The complete question is:

Billy and Tommy are playing a dice game with a six-sided die. Billy needs to roll a 5 or higher to win the game. What is the probability that Billy will roll a 5 or higher?

a) 1/2

b) 1/3

c) 2/3

d) 1/6

Answer:

Her change is $14.25

Step-by-step explanation:

To work this out you would first multiply 3 by 4.75, which comes to  14.25. This is because you are finding the total for the balls of yarn. Then you would multiply 5.75 by 2, which comes to 11.5. Then you would add 14.25 and 11.5, which comes to 25.75. This is because you are now working out how much the total for the purchase is. Then you would multiply 20 by 2, which comes to 40. Then you would minus 25.75 from 40, which comes to 14.25.

1) Multiply 3 by 4.75.

[tex]3*4.75=14.25[/tex]

2) Multiply 5.75 by 2.

[tex]5.75*2=11.5[/tex]

3) Add 14.25 to 11.5.

[tex]14.25+11.5=25.75[/tex]

4) Multiply 20 by 2.

[tex]20*2=40[/tex]

5) Minus 25.75 from 40.

[tex]40-25.75=$14.25[/tex]

Final answer:

To determine Laurel's change, multiply the quantity of each item by its price, add them together, and subtract this total from the amount paid with two 20-dollar bills. The change is $14.25.

Explanation:

The student is asking how to calculate the total cost of items purchased and the change due from a transaction. To find out Laurel's change, we need to multiply the number of each item by its price and then add those amounts together. Subsequently, we subtract the total cost from the amount Laurel pays with.

First, calculate the cost for the balls of yarn. There are 3 balls at $4.75 each:

3 balls times $4.75 per ball = $14.25

Now, calculate the cost for the pairs of knitting needles. There are 2 pairs at $5.75 each:

2 pairs times $5.75 per pair = $11.50

Add the cost of the yarn and knitting needles to get the total:

$14.25 (yarn) + $11.50 (needles) = $25.75

Laurel pays with two 20-dollar bills, which is $40.00 in total. Subtract the total purchase amount from this:

$40.00 - $25.75 = $14.25 change

Answer:

3/8.

Step-by-step explanation:

You didn't give the graph but I just took that test and got it right.

Answer:

B 3/8

Step-by-step explanation:

Final answer:

A study by the Annenberg Foundation shows a stark lack of knowledge about the Legislative, Executive, and Judicial branches of the U.S. government. Educational resources can help improve public understanding of these branches, which are pivotal for civic engagement and democratic processes.

Explanation:

The Annenberg Foundation study highlights a concerning lack of knowledge among the U.S. adult population regarding the basic structure of their government. Despite the importance of understanding the three branches of the U.S. government, which include the Legislative, Executive, and Judicial branches, a majority of adults struggle to identify all three.

The Legislative branch is responsible for making laws and is embodied in Congress, which is divided into the House of Representatives and the Senate. The Executive branch, headed by the President, is tasked with implementing and executing the laws passed by Congress. The Judicial branch, represented by the Supreme Court and other federal courts, interprets the laws and adjudicates legal disputes under the law.

Understanding these branches and their functions is critical for civic engagement and informed participation in democratic processes. Educational resources such as videos, games, and government websites can help improve civic knowledge and awareness of the structure and roles of government.

Answer:

x=14

Step-by-step explanation:

Hope that helped

Answer: 14 days

Step-by-step explanation:

2.5x + 6 = 41

       -6.       -6

2.5x = 41

——————

        2.5

x = 14

Answer:

28°

Step-by-step explanation:

Angle on the circumference is half the angle at the centre

c = ½(56)

c = 28°

Answer:

We are meant to round down fractions of persons to the nearest whole number possible

Step-by-step explanation:

Here we have the question with regards the result of a fraction of a person to a solution of a statistic question.

Where the result is a fraction, the format is, since most solutions to questions in statistics with regards to people pertain to the maximum amount of persons that fit a class, and since it is not technically feasible to account for the next half of the person after getting your result, we have to put down only the number of whole people possible which means as a rule we always round down the decimal or fractions  to the nearest whole number of person

Therefore, you are correct, only that we can put 2 instead of 2.5 as your answer.

The statement does not make sense because the expected value of 2.5 represents the average number

of boys for all the families with five children. In a​ five-child family, half the children are expected to be​ boys, so the expected value of 2.5 is consistent.

Final answer:

Toby will have £4867.20 in his savings account.

Explanation:

To determine how much Toby will have in his savings account after 2 years with a 4% per annum compound interest rate, we can use the formula for compound interest:

A = P(1 + r)ⁿ

Where:

Given:

Using these values in the formula:

A = £4500(1 + 0.04)²

A = £4500(1.04)²

A = £4500(1.0816)

A = £4867.20

Therefore, Toby will have £4867.20 in his savings account after 2 years.

Answer:

105, because 50% means it is half or in the middle of the box graph