Sheena made a scale drawing of her classroom using a scale of 1 inch = 10 feet. One wall of the classroom in the drawing is 4 inches long. Which proportion can be used to find x, the length of the actual wall, in feet?

Answer:

i don't know if this is what you're asking but here you go

Step-by-step explanation:

90 + 3x + 2x = 180

90 + 5x = 180

- 90           - 90

5x = 90

/ 5     / 5

x = 18

Answer:

The approximate diameter of the larger tank is 8.10 meters

Step-by-step explanation:

Here, we want to calculate the diameter of the larger tank

The volume of a sphere

V = 4/3 * π * r^3

Let us calculate the volume of the standard model

That will be;

Since diameter is 6 and r = d/2

r = 6/2 = 3 meters

V = 4/3 * π * 3^3 = 36 π m^3

Now, the volume of the larger tank is 2.5 times of this;

The volume of the larger tank is 2.5 * 36 π = 90 π m^3

So we can calculate the radius of this before we calculate its diameter

4/3 * π * r^3 = 90 π

4r^3/3 = 90

r^3 = 270/4

r^3 = 67.5

r = 3x√(67.5)

r = 4.07 m

Diameter here is 2 times this

= 4.07 * 2 = 8.14

Answer:

8.1

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

linear is a straight line and non linear is something that isnt a straight line

Answer:

There is no phone...so i dont know what the numbers are....

Step-by-step explanation:

Answer: 320x + 55

Step-by-step explanation:

The statements about this situation that are true include:

Since the number of times the website was visited had a net change of +55 and during each subsequent month, starting in the next year, the number of visits increased by 320. The expression to solve this will be:

= 320(x) + 55

= 320x + 55

where, x = number of months.

Read related link on:

https://brainly.com/question/19737487

Answer:

1.84

Step-by-step explanation:

Answer:

You answer would be 1.84

Step-by-step explanation:

Answer:

3284.01, brainliest if correct pls

Step-by-step explanation:

Answer:

3282 cubic inches.

Step-by-step explanation: Just times 14 times 14 since its in radius form then times by 16 then by 3.14 last divide by 3.

Answer:

150

Step-by-step explanation:

Please let me know if you still need help!

Answer:

150 students would be wearing school colors

Step-by-step explanation:

Pretty sure because you divide 350 by 7 (which gives 50), then multiply 50 by 3 to get 150, which would be 3/7 of the student population

Answer:

861 (approx)

Step-by-step explanation:

It is given that there is a note of 20 dirham. The 20 dirham note is 13 cm long. And we have to place the 20 dirham notes to cover a length of 112 m without overlapping the notes.

We know that :

100 cm = 1 m

∴ 13 cm = 0.13 m

In order to cover a length of 112 m, we have to divide 112 by 0.13, i.e.

[tex]$=\frac{112}{0.13}$[/tex]

[tex]$=\frac{11200}{13}$[/tex]

= 861 (approx)

Answer:

Step-by-step explanation:

2 1/2 divided by 3 3/4

2.5 divided by 3.75=  2/3 or 0.6

Answer:

2/3 or .66666666666666666

Step-by-step explanation:

2 1/2 = 5/2

3 3/4 = 15/4

Then you get a common denominator:

10/4 divided by 15/4

flip 15/4

10/4 divided by 4/15

then multiply

40/60

then simplify

2/3

D IS THE CORRECT ONE Step-by-step explanation:

Answer:

N165.53°E

Step-by-step explanation:

Given the following vector points

Vx = -43.0units

Vy = 11.1 units

The direction of the vector is expressed using the formula:

θ = tan^-1(Vy/Vx)

θ = tan^-1(11.1/-43.0)

θ = tan^-1(0.2581)

θ = -14.47°

Since tan is negative in the second quadrant, hence the required direction will be θ = 180-14.47

θ = 165.53°

Hence the direction is N165.53°E

Answer:

(-4, 3)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define Systems

6x + 8y = 0

-7x + y = 31

Step 2: Rewrite Systems

-7x + y = 31

Step 3: Redefine Systems

6x + 8y = 0

y = 7x + 31

Step 4: Solve for x

Substitution

Step 4: Solve for y

Answer:

the answer is 7.

Step-by-step explanation:

here's why......if u place the 3 where a is it will become multiplication so that would be 2 times 3 minus b now but if u place -1 the minus becomes addition so it will be 6+1 which is 7.

Answer:

The value of expression when a=3 and b=-1 is 7

Step-by-step explanation:

Given expression is:

2a - b

Also given that

a = 3

b = -1

In order to find the value of the expression, we have to put 3 in place of a and -1 in place of b in the expression

So putting the values

[tex]=2(3)-(-1)\\=6+1\\=7[/tex]

Hence,

The value of expression when a=3 and b=-1 is 7

Answer:

Step-by-step explanation:

Answer:

Linear:

y = 2x + 1

5x = 6 + 3y

y/2 = 3 − x

Nonlinear:

x2+y2 = 1.

x2 + 12xy + y2 = 0.

x2+x+2 = 25

Step-by-step explanation:

Step-by-step explanation:

(Ax² + Bx + C)²

= (Ax² + Bx + C)(Ax² + Bx + C)

= Ax⁴ + 2ABx³ + 2ACx² + 2BCx + C².

By Comparing Coefficients, we have:

A = 1

2AB = 6

2AC = 7

2BC = a

C² = b

Solving them we get A = 1, B = 3 and C = 3.5.

Therefore a = 2BC = 2(3)(3.5) = 21,

b = C² = (3.5)² = 12.25.

Answer:

(g+5)x(g-3)

Step-by-step explanation:

Edmentum/PLATO answer:

Rewrite the expression:

g+1/g^2+5g-3g-15 + g+3/g+5

Factor out g from expression:

g+1/gx(g+5)-3g-15 + g+3/g+5

Factor out g+5:

g+1/(g+5)x(g-3) + g+3/g+5

Least common denominator: (g+5)x(g-3)

Numbers divisible by 5 from 2 to 50 is 10 and numbers divisible by 8 from 2 to 50 is 6 ,therefore 6+ 10 =16 making 16/50 =8/25

Answer:

The graph of a non-proportional linear relationship is a straight line that does not pass through the origin.

The formula is y=mx+b

:D

Answer:

540

Step-by-step explanation:

3% of 6000 is 180. Multiply that by 3 years and you have your result.

Answer:

x = 31

Step-by-step explanation:

93 ÷ 3 = 31

so that means x equals 31

Answer:

C) 3: 9

Step-by-step explanation:

27: 81

Ratios are same as fractions, that is why 27:81 = 27 / 81

Now that we go this fraction, let's make it an equivalent fraction:

(27 / 9) / (81/9)

=> 3/9

=> 3 : 9

If my answer helped, kindly mark me as the brainliest!  

Thanks!!

Answer:

n = [tex]\frac{9v - 4f}{k}[/tex]

Step-by-step explanation:

kn + 4f = 9v

kn = 9v - 4f

[tex]\frac{kn}{k}[/tex] = [tex]\frac{9v - 4f}{k}[/tex]

n = [tex]\frac{9v - 4f}{k}[/tex]