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____ [38]
2 years ago
15

Using the graph , determine the coordinates of the vertex of the parabola

Mathematics
1 answer:
aivan3 [116]2 years ago
3 0

Answer:

(-4,-4)

Step-by-step explanation:

Delta math

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If the perimeter of vectangle wall is 360 cm and its breath is 60cm. Find its length and also find the totalt cost of painting t
alexdok [17]

Answer:

<u>Rs. 72</u>

Step-by-step explanation:

We have 2 values here,

  • Perimeter of the rectangle = 360 cm
  • Breadth of the rectangle (b) = 60 cm.

Firstly, we must find the length of the rectangle (l).

So, according to the formula,

Perimeter = 2 (b + l)

360 = 2 (60 + l)

360 = 120 + 2l

360 - 120 = 2l

240 = 2l

120 cm = l

Now, we need to find the area of the rectangular wall & then convert it from cm² to m² as the cost of painting is given in m².

So,

Area = lb

Area = 120 × 60

Area = 7,200 cm²

Let's convert it to m² now,

7200/1000

= 7.2 m²

Given, cost of painting per m² = Rs. 10

So, the cost of painting the wall is,

10 × 7.2

= <u>Rs. 72</u>

<u>________________________________</u>

Hope it helps!

\mathfrak{Lucazz}

3 0
2 years ago
The top of a table is in the shape of a trapezoid. It has a height 1.5 feet and the two parallel bases measure 3 feet and 5 feet
Kobotan [32]

The area of a trapezoid if found using the formula

A = (base1 + base2)/2 x height

Area = (3+5)/2 x 1.5

Area = 8/2 x 1.5

Area = 4 x 1.5

Area = 6 square feet.

3 0
3 years ago
Read 2 more answers
Which ratio is equivalent to 12:20?<br>a) 3:5<br>b) 20:12<br>c) 3:10<br>d) 2:3​
disa [49]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
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If x-3 is a factor of x3+4x2+kx-30.Find the value of k.​
Bogdan [553]

Answer:

k=-11

Step-by-step explanation:

x^{3}+4x^{2}+kx-30

if x-3 is a factor,

(3)^{3}+4(3)^{2}+k(3)-30=0\\27+4*9+3k-30=0\\27+36+3k-30=0\\33+3k=0\\3k=-33\\k=-11

3 0
3 years ago
How many milligrams os7 grams​
kirza4 [7]

Answer:

7000 milligrams

Step-by-step explanation:

1 gram is 1000 milligra

4 0
3 years ago
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