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3 years ago

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Mathematics

2 answers:

Andrews [41]3 years ago

4 0

Answer:

y = 0

Step-by-step explanation:

We are given the following equation and we are to find the value of y when x equals to 28:

$x + 3y = 28$

Substituting the given value of x in the above equation:

$28 + 3y = 28$

$3y = 28 - 28$

$3y = 0$

$y = \frac{0}{3}$

$y = 0$

Therefore, y = 0 when x = 28.

Leno4ka [110]3 years ago

3 0

Answer:

y=0

Step-by-step explanation:

If x equals 28 then substitute it in the equation, 28+3y=28

Next, subtract 28 from both sides, 3y=0

Now that you have that its simple, y must equal 0

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Sneha went to a park 150m long and 80m wide. She took one complete round on its boundary. What is the distance covered by Sneha?

Blababa [14]

Answer:

460 m

Step-by-step explanation:

Boundary = perimeter

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= 2(150 + 80)

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the cost of plastering a wall of a room having length 8m and heights 4m at Rs 15 per m² is Rs 1560 . find the cost of carpeting

Effectus [21]

Step-by-step explanation:

here ,

length = 8m

height=4m

Rate of plastering 4 walls = 15/m^2

Cost of plastering 4 wall = Rs 1560

Area of floor = Cost of plastering / Rate of plastering

= 1560/15

= 104

again,

Area of four wall = 2h(l+b)

or, 104= 2×4(8+b)

or, 104 =8(8+b)

or, 104/8=8+ b

or,13 - 8= b

or, b= 5

again,

Area of floor= l×b

= 8×5

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again,

Rate of carpeting the floor= 300/ m^2

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cost of carpeting=Rate × Area

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3 years ago

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docker41 [41]

Answer:

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Step-by-step explanation:

If PR equals 34, to get PT divide 34 by 2 since it's half of PR.

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3 years ago

-6c< -12 what will the answear be

murzikaleks [220]

Answer:c>2

Step-by-step explanation:

-6c (divide) (-6) > -12 (divide) (-6)

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3 years ago

The value of πPhone stock has increased 9% each year for the past several years. In 2020, the stock was worth $75. What will the

Iteru [2.4K]

Answer:

2027 = $122.25

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Step-by-step explanation:

Find 1% of 75

75 / 100 = 0.75

multiply by 9

0.75 * 9 = 6.75

So that's $6.75 each year

Now, lets find our answers for 7 years.

6.75 * 7 = $47.25

75 + 47.25 = $122.25

The stock will be $122.25 in 2027

Now for 2016.

$6.75 * 4 = $27

$75 - $27 = $48

The stock was $48 in 2016

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2 years ago