Whoever answer this question with explanation gets marked the brainiest

Whoever Answer This Question With Explanation Gets Marked The Brainiest

Answers

Answer 1

Step-by-step explanation:

Classroom A has n students.

Since Classroom B has 4 less students, they have (n - 4) students.

Also Classroom C has double the students in B, so they have 2(n - 4) students.

We have A + B + C = 40.

=> n + (n - 4) + 2(n - 4) = 40

=> n + n - 4 + 2n - 8 = 40

=> 4n - 12 = 40

=> 4n = 52, n = 13.

Hence there are 13 students in Classroom A.


Related Questions

Question is in picture below

Answers

[tex]find \: lengh \: bc \: because \: find \: the \: base \: area \: \\ bc = ad \\ from \: ac = 15mm \\ ab = 12mm \\ from Pythagoras \: {c}^{2} = {a}^{2} + {b}^{2} \\ is \: {(ac)}^{2} = {(bc)}^{2} + {(ab)}^{2} \\ 15 ^{2} = {(bc)}^{2} + {12}^{2} \\ {(bc)}^{2} = 15^{2} - {12}^{2} \\ bc = \sqrt{{15}^{2} - {12}^{2} } \\ bc = \sqrt{225 - 144} \\ bc = \sqrt{81} \\ bc = 9 \: or \: - 9 \\ bc = 9 \\ base \: area \: = bc \: \times \: ab \\ = 9 \times 12 = 108 {mm}^{2} \\ volume \: pyramid \: = \: \frac{1}{3} \times base \: area \times hight \\ = \frac{1}{3} \times 108 {mm}^{2} \times 13mm \\ = 468 {mm}^{3} [/tex]

Choose which expression doesn’t belong? State your reasoning.

Answers

-79 because you should always take out the ones with no decimals or parenthesis your welcome

Answer:

Step-by-step explanation:

This warm-up prompts students to carefully analyze and compare quadratic expressions. In making comparisons, students need to look for common structure and have a reason to use language precisely (MP7, MP6). The activity also enables the teacher to hear the terminology students know and how they talk about characteristics of the different forms of expressions.

As students discuss in groups, listen for rationales that are based on the structure of the expressions. Select those students or groups to share their thinking during class discussion.

Launch

Arrange students in groups of 2–4. Display the expressions for all to see. Give students 1 minute of quiet think time and then time to share their thinking with their small group. In their small groups, ask each student to share their reasoning about why a particular item does not belong, and together find at least one reason each item doesn't belong.

Student Facing

Which one doesn’t belong?

A.

B.

C.

ΔΔΔ⇔∈㏒㏒∞⇅⊃⊂↓∵↔→∨∧±×∛√Фπ

PLEASE
What is the solution to the equation 4 ( b − 2 ) − 10 = 2b + 6 ?

Answers

Answer: 12

Step by step explanation:
First simplify both sides of the equation
( 4 )( b ) + ( 4 ) ( - 2 ) + -10 = 2b + 6 (distribute)
4b + -8 + -10 = 2b + 6
(4b) + (-8 + -10 ) = 2b + 6 (combine like terms)
4b + -18 = 2b + 6
4b - 18 = 2b + 6
Then subtract 2b from both sides
4b - 18 - 2b = 2b + 6 - 2b
2b - 18 = 6
After that you add 18 to both sides
2b - 18 + 18 = 6 + 18
2b = 24
2b/2 = 24/2
b = 12

the ratio of PHP 504.00to 14liters of gasoline​

Answers

Answer:

36:1

Step-by-step explanation:

Divide 504 by 14 to get the ratio

PLEASE HELP ME ILL GIVE BRAINLIEST

Answers

I  THINK you have it correct, but I'm not 100% sure.

Answer:

It’s correct

Can someone pleasee help or explain to me how u do this? I don’t really Understand ?

Answers

Reflection in the line y = x :
- meaning your line goes through quad 1 and quad 3

The rule for a reflection in the line y = x is :
( x, y ) —> ( y, x )
which in your case is:
( 4, 2 ) —> ( 2, 4 )

So the answer is (2,4)

i will give brainlist

Answers

I think is -4 ( y + 2) Srry if I’m wrong

The most important outcome of the Adams-Onis Treaty of 1821 was that Florida became a territory of the United States. Spain no longer had a US presence. Spain gave up rights to Alabama and Georgia. Florida became the twenty-seventh state to enter the Union.

Answers

Answer:

Florida became a territory of the United States.

Step-by-step explanation:

i got it right on Edge

The correct option for the given statement is Florida became a territory of the United States.

Adams-Onís TREATY:-

The Adams-Onís Treaty between the United States and Spain was negotiated by Secretary of State John Quincy Adams and the Spanish Minister to the United States, Don Luis de Onís, and signed in February 1819.

The principal elements in the treaty were the acquisition of Florida by the United States and the establishment of a boundary line between Spanish territory and the United States.

After the Louisiana Purchase in 1803, Pres. Thomas Jefferson argued that Florida was included in Louisiana. In 1810 and 1812 the United States annexed sections of West Florida.

In the treaty Spain gave East and West Florida to the United States, and the United States agreed to assume claims by citizens of the United States against Spain.

Hence, the answer is Florida became a territory of the United States.

For more references on Adams-Onís TREATY, click;

https://brainly.com/question/2556815

#SPJ5

Find the percent of change. Round to the nearest tenth, if necessary.

During the winter, the grill was marked at $85. In June, the price was changed to $110.50.

PLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLEASE ANSWER

Answers

About 33 percent of change

What is the exact value of cos theta?

Answers

Answer:

C

Step-by-step explanation:

A company has offices in 3 different cities and a rotal of 480 workers there are 90 workers in newyork and 130 workers in denver the rest of the workers are in san diego

Answers

Answer:

Workers in San Diego = 260 workers

Step-by-step explanation:

Total workers = 480

Number of offices = 3

In each office in different cities

New york = 90 workers

Denver = 130 workers

San Diego = x workers

Find x

Total number of workers = workers in New York + workers in Denver + workers in San Diego

480 = 90 + 130 + x

480 = 220 + x

480 - 220 = x

260 = x

x = 260 workers

Workers in San Diego = 260 workers

Answer:

Step-by-step explanation:

250

help plz plz plz plz

Answers

Answer:

2.8 In is the answer to the question

Step-by-step explanation:

Nw+WD=ND

What’s the answer plz hurry!

Answers

Answer:

its c

ududhsihsisbishsusbusvsusbusbduusususuuusueuieieiejejdhebteybybeybsbysyneybdyndybbydbyeynydnnydndyjdyj8ggnxr

Step-by-step explanation:

fhjfjjgcmhmhcxmgkhfkhffhkhfkgfoyfkyftfutdutxjtxoyf

Benjamin is going to drive from his house to City A without stopping. An equation that determines Benjamin's distance from City A tt hours after leaving his house is D=260-65t.D=260−65t. What is the slope of the equation and what is its interpretation in the context of the problem?

Answers

Given:

The Benjamin's distance from City A, t hours after leaving his house is

[tex]D=260-65t[/tex]

To find:

The slope of the equation and what is its interpretation in the context of the problem?

Solution:

The slope intercept form of a line is

[tex]y=mx+b[/tex]

where, m (coefficient of variable x) is slope and b is y-intercept.

We have, the equation

[tex]D=260-65t[/tex]

It is a linear equation and the coefficient of variable t is -65. So, the slope of the equation -65.

It means, the Benjamin's distance from City A is decreases at the rate of 65 units per hour or we can say the speed of Benjamin is 65 units per hour.

Therefore, slope of the equation -65. It means, Benjamin's distance from City A is decreases at the rate of 65 units per hour.

Answer:

The slope of the function is -65 which reveals the average speed that Benjamin travels, in miles per hour.

Step-by-step explanation:

The slope shows how much the distance to City A decreases each hour, implying that Benjamin is driving an average speed of 65 miles per hour.

Have a good day :)

I NEED HELP PLEASE HELP

Answers

Answer:

66.) 1.) M=-9/7

2.) Y-INTERCEPT (9)

3.) X-INTERCEPT (7).

Answer:

Step-by-step explanation:

I don’t really know, don’t answer falsely on my answer, I literally have a f^cking quiz

AB formed by (2, 3) and (-1, 4)

CD formed by (-5, 3) and (-4, 6)

Answers

Wow that’s nice what the question huh

What is the sum of (-10)+(-7)=

Answers

Answer:

-17

Step-by-step explanation:

Answer:

-17

Step-by-step explanation:

[tex](-10)+(-7)= - 10 - 7 = - 17[/tex]

What is m∠P? There is a five sided polygon PQRST in which the measure of angle PQR is 132 degrees, the measure of angle QRS is (4x-10) degrees, the measure of angle RST is (5x-11) degrees, the measure of angle STP is 128 degrees and the measure of angle TPQ is (4x+2) degrees.

Answers

Answer:

94°

Step-by-step explanation:

There is a five sided polygon PQRST in which the measure of angle PQR is 132 degrees, the measure of angle QRS is (4x-10) degrees, the measure of angle RST is (5x-11) degrees, the measure of angle STP is 128 degrees and the measure of angle TPQ is (4x+2) degrees.

Sum of angles in a pentagon = 540°

Hence:

PQR + QRS + RST +STP + TPQ = 540 °

132 + (4x-10)° + (5x-11)° + 128° + (4x+2) degrees = 540°

132 + 4x - 10 + 5x - 11 + 128 + 4x + 2 = 540

132 - 10 - 11 + 128 + 2 + 4x + 5x +4x = 540°

241 +13x = 540

13x = 540 - 241

13x = 299

x = 299/13

x = 23

What is m∠P?

m∠P in Pentagon PQRST = TPQ

TPQ = 4x + 2

= 4 × 23 + 2

= 94°

what is 3856 times 4656 equal

Answers

(4656) (3856) = 17,953,536

f(n) = 4n +3
g(n) = 3n²+2
Find f(n) - g(n)
help lol

Answers

Answer:

[tex](4n + 3) - (3 {n}^{2} + 2) \\ = 4n + 3 - 3 {n}^{2} - 2 \\ = - 3 {n }^{2} + 4n + 1 \\ ( - 3 {n}^{2} - 3n) - (1n + 1) \\ - 3n(n + 1) - 1(n + 1) \\ (n + 1)( - 3n - 1) \\ n = - 1 \\ n= \frac{1}{ - 3} [/tex]

Answer:

[tex]f(n) - g(n) = (4n + 3) - (3 {n}^{2} + 2) \\ = 4n + 3 - 3 {n}^{2} - 2 \\ = \boxed{4n - 3 {n}^{2} + 1}[/tex]

(4n²-3n+1) is the right answer.

Graph y = 2x - 7
Im doing this on Khan and I always get it wrong





Answers

Answer:

Use points (0,-7) and (1,-5)

please see below if you would like a graph.

Step-by-step explanation:

The equation is y=2x-7

we need two points.

The equation is in y=mx+b form, where m is the slope and b is the y intercept

In that case we already know a point, since -7 is in the place of b. The y intercept as a point is (0,b). Therefore, our first point is (0,-7)

We also know the slope of the line, which is 2. The formula for slope is rise/run That means that the next point would be to go right one, and up 2, (both indicate a positive direction), or to the left one, and down 2(both indicate a negative direction.) Let's use the positive way.

going to the right 1=+1 on x. (1, y)

Going up 2=+2=-7+2=-5

Point is (1,-5)

use points (0,-7), and (1,-5)

please see below for a graph to compare.

hope this helps!

helpppppppppppppppppppppppppppppppppppppppppppp​

Answers

Answer:

I can help

Step-by-step explanation:

Answer:

Step-by-step explanation:

the first one- 40

the second one- 2.5

This should be correct if I did my math correctly

1. A group of friends share a large popcorn at the movies. It costs $4.95 to buy the first bag and $0.65 for each refill.
If they spent $6.90, how many times did the group of friends refill their popcorn?

Answers

$6.90-$4.95= $1.95
% .65
ANSWER- 3 times

PLEASE HELP FAST !!!

What is the equation of the line in slope-intercept form?

Answers

Answer:

y =  4/3x + 4

Step-by-step explanation:

What is the distance between the points (4,5) and (8,6)?

Answers

The answer is 4. 123106, I hope this helps!

All flour from five bags with 3/8
lbs of flour in each was divided
into equal parts to make 7 loaves of bread. How can you
calculate the amount of flour used for each loaf? Select all that
apply.
(A) 3/8·7/5 (B) 3/8·5/7(C) 3/8÷7· 5(D) 3/8· 7÷5 (E) 3/8÷5· 7 (F) 3/8· 5÷7

Answers

Answer:

B, C and F

Step-by-step explanation:

answer this. please.

Answers

Answer:

D

Step-by-step explanation:

I would say D because youre trying to find red and blue so green and brown dont matter to the problem. If 12÷6= 2 then. do 60÷2=30 so they can be drawn about 30 times

please help me my brain is to small for dis I need da right answer

Answers

Answer:

it is in its simpliest form there are no equivalent expressions because all factors are odd numbers

Step-by-step explanation:

pls give me brainliest

PLZ HELP WILL MARK BRAINLEST work out both

Answers

Answer:

3*6+5= 23

Step-by-step explanation:

1.) 3•6+5
18+5
23

2.) 7^2-18/3
49-6
43

Pls help ASAP. Help pls

Answers

Answer:

x = 16

Explanation:

Replace x with 16
Divide 16 with 2 and u get 8
8 + 17 = 25

Answer:

8

Step-by-step explanation:

x=25-17

x=8

don't forget to collect like terms

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