I need your help plz I don’t know this

12 inches, 180/30 is 6 and 2x6 is 12

Given:

y is proportional to x.

y=10 and x=8.

To find:

The constant of proportionality and the equation for the proportional relationship.

Solution:

y is proportional to x.

[tex]y\propto x[/tex]

[tex]y=kx[/tex]               ...(i)

Where, k is the constant of proportionality.

Putting y=10 and x=8, we get

[tex]10=k(8)[/tex]

[tex]\dfrac{10}{8}=k[/tex]

[tex]\dfrac{5}{4}=k[/tex]

Putting [tex]k=\dfrac{5}{4}[/tex] in (i), we get

[tex]y=\dfrac{5}{4}x[/tex]

Therefore, the contestant of proportionality is [tex]k=\dfrac{5}{4}[/tex] and the equation for the proportional relationship is  [tex]y=\dfrac{5}{4}x[/tex].

Answer:

?__________*_*__________?

Answer:

£1560

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 6%/100 = 0.06 per year,

then, solving our equation

I = 1200 × 0.06 × 5 = 360

I = £ 360.00

The simple interest accumulated

on a principal of £ 1,200.00

at a rate of 6% per year

for 5 years is £ 360.00.

Answer:

oop

Step-by-step explanation:

Answer:

who?

Step-by-step explanation:

Answer:

X=20

Step-by-step explanation:

360/18=20

Answer:

x=20

Step-by-step explanation:

18x=360

divide both sides by 18x

[tex]\frac{18x}{18}[/tex]=[tex]\frac{360}{18}[/tex]

simplify

x=20

hope this helps :) have a nice day !!

Answer: x  =  1  ,  y  =  0

Step-by-step explanation:

hope this helps :)

Answer:

I need brainliest please

Step-by-step explanation:

Answer:

2x-3= -6

Step-by-step explanation:

have a great day!

Answer:

The expression of how Susan solved 99 × 47 is;

99 × 47 = 100 × 47 - 47

The evaluation of the expression is;

99 × 47 = 4653

Step-by-step explanation:

The question relates to the simplification of the multiplication of two numbers by the use of a combination multiplication of one of the numbers, 'x', with the nearest 10s or 100s of the other number, 'y', followed by the subtraction or addition operation of the product between the number 'x' and the difference between the specified 10s or 100s and 'y';

The given information on how Susan solved the equation 99 × 47 can be presented as follows;

99 × 47 = (100 - 1) × 47 = 100 × 47 - 47

The expression of how Susan solved 99 × 47 is therefore presented as follows;

99 × 47 = 100 × 47 - 47

The evaluation of the expression is therefore given as follows;

100 × 47 - 47 = 4700 - 47 = 4653.

Answer:

n = -11

Step-by-step explanation:

3n - 17 = -50

⇒ 3n = -33

⇒ n = -11

Answer:

n = -11

Step-by-step explanation:

3n - 17 + 17 = -50 + 17

3n = -33

3n/3=-33/3

n = -11

Answer:

4.5

Step-by-step explanation:

Answer:0.75757575757

Answer:

Fraction Form

25/33

Decimal Form

0.75

Step-by-step explanation:

First, convert the mixed fraction into an improper fraction, so it would look like:

-5/3 / (-11/5)

Next, divide. Remember, when multiplying fractions all you do is flip the one in parantheses and make both of them positive, so it would look like:

5/3 x 5/11

Finally, multiply so you do the two top numbers which is 5 x 5= 25 and the two bottom numbers so 11 x 3 is 33. Then your final answer is 25/33

Answer:

6(4c-1z)

Step-by-step explanation:

Given:

Jake bought 3 drawing pens for $8.07.

Each pen costs the same amount.

To find:

How much did he spend for one pen?

Solution:

Let x be the cost of each pen. Then

Cost of three pens = 3x

Jake bought 3 drawing pens for $8.07.

[tex]3x=8.07[/tex]

Divide both sides by 3.

[tex]x=\dfrac{8.07}{3}[/tex]

[tex]x=2.69[/tex]

Therefore, he spend $2.69 for one pen.

Answer:

Y=2x-2

2x is the slope

-2 is the y intercept

Step-by-step explanation:

Answer:

x = 40

Step-by-step explanation:

∠D = ∠ADB + ∠BDC

    = 30 + 40

    = 70°

In ΔBDC,

BD = CD

∠DBC = ∠DCB  {angles opposite to equal sides are equal}

∠DBC + ∠DCB + ∠BDC = 180  {Angle sum property}

2∠DCB + 40 = 180

             2∠DCB = 180 -40

             2∠DCB = 140

    ∠DCB= 140/2

∠DCB = 70°

In ΔADC,

x + ∠D + ∠C = 180

x + 70 + 70 = 180

x + 140 = 180

x = 180 - 140

x = 40°

Answer:

0 because she spent it all

Step-by-step explanation:

35.41-35.41= 0

and why are songs $35.41

Given:

The area model.

The area of the shape is 82 square units.

To find:

The correct equation for the given situation.

Solution:

We know that, area of a rectangle is

[tex]Area=Length \times Width[/tex]

The figure is divided into 3 rectangles. Using this formula, the area of each rectangle is

[tex]A_1=(x)\times (3x)=3x^2[/tex]

[tex]A_2=(x)\times (4)=4x[/tex]

[tex]A_3=(3)\times (3x)=9x[/tex]

Now, the total area is equation to 82 square units.

[tex]A_1+A_2+A_3=82[/tex]

[tex]3x^2+4x+9x=82[/tex]

[tex]3x^2+13x=82[/tex]

Since the required equation is [tex]3x^2+13x=82[/tex], therefore, the correct option is C.

Answer:

8 hours

Step-by-step explanation:

let number of hours it takes to finish the cup be t,

we know that we have 80 cups, and we know we can finish 10 cups per hour so,

10t = 80 which is 10 times t = 80

Solve for t,

10t/10 = 80/10

t = 8

Answer:

90<150

Step-by-step explanation:

add 80 and 10 put it in front of 150

Answer:

The worth of the TV after 3 years is £809.90208

Step-by-step explanation:

The answer to given question can be found from the anual depreciation formula and solving for the Future Value (F. V.) of the machine

The given parameters of the TV are;

The amount at which Collin buys the TV, P = £720

The rate at which the TV depreciates at, R = 4%

The number of years the depreciation is applied, T = 3 years

The amount the TV is worth after three years, 'A', is given as follows;

[tex]A = P \cdot \left(1 + \dfrac{R}{100} \right )^T[/tex]

By plugging in the known values, we have;

[tex]A = 720 \cdot \left(1 + \dfrac{4}{100} \right )^3 = 809.90208[/tex]

The amount the TV is worth after three years, A = £809.90208

Answer:

If a spinach pie is cut into 10 equal pieces, the fraction form of it is 1/10 and the decimal form is 0.1

Step-by-step explanation:

10 pieces

10/10 total

1 slice: 1/10

1 = whole pie

split into 10 equal peices =

0.1

$10.50

Explanation:

Let x be the cost of the individual books. Then 24.81=3x−6.69

3x= 24.81+ 6.69 =31.50

x=31.50/3=10.50

Answer:

D

Step-by-step explanation:

4⅜ hope that helps............

Answer:

$94.12

Step-by-step explanation:

($94.11 + $52.75) + (-$25.20 + -$22.04 + -$8.50) =

($146. 86) - (-$55.74) =

$94.12

$94.12 is the account balance at the end of the month.