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Leno4ka [110]
3 years ago
9

D=u^2/2a

Mathematics
1 answer:
marysya [2.9K]3 years ago
7 0

a)

30.65^2/(2*5.15)=91.2061

d=91.2061

b)i)90

ii) Mathswatch is critical of anything apart from it's system so I dont know what the answer is for this one

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If 25% of a number p is 19, what is 15 of p
larisa86 [58]

Answer:

19.7%

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP Which of the following expressions is equal to-4x^2-36? A:(-4x-9i)(x-4i) B:(-4x+9i)(x-4i) C:(-4x-12i)(x+3i) D:(-4x+1
Harrizon [31]

Answer:

C is equal to -4x^{2} - 36

Step-by-step explanation:

<h3></h3><h3>C: ( -4x -12) ( x + 3)</h3><h3>= multiply -4x × x = -4x^{2}</h3><h3>= multiply -4x × 3 = -12x</h3><h3>= multiply -12 × x = -12x</h3><h3>= multiply -12 × 3 = -36</h3><h3>= -4x^{2} -24x -36, simplified to (-4x^{2} - 36) </h3>
8 0
3 years ago
If ABCD is a parallelogram. BC=13 and AB=5, what is the perimeter of the parallelogram?
UkoKoshka [18]

Answer:

36

Step-by-step explanation:

In a Parallelogram , it is important to note that opposite sides are equal to each other.

We are given parallelogram ABCD.

We have sides: AB, BC, CD, AD.

Since opposite sides are equal then:

AB = CD

BC = AD

The perimeter of a parallelogram is the sum of all its sides.

In the question: BC=13 and AB=5

Hence,

AB = CD = 5

BC = AD = 13

Perimeter of Parallelogram ABCD = 5 + 5 + 13 + 13

= 36.

6 0
3 years ago
Claire is on a business trip. She’ll be traveling from Liverpool, England, to Melbourne, Australia. The latitude value of Liverp
Alekssandra [29.7K]

Answer:

The change in latitude, Δφ, from Liverpool to Melbourne is 91.22° south

The change in longitude, Δλ, from Liverpool to Melbourne is 147.95° East

Step-by-step explanation:

The parameters given are;

The latitude of Liverpool is 53.41°

The longitude of Liverpool is -2.99°

The latitude of Melbourne is -37.81°

The longitude of Melbourne is 144.96°

The change in latitude from Liverpool to Melbourne = Δφ

Δφ = 53.41° - (-37.81°) = 53.41° + 37.81° = 91.22°

The change in latitude, Δφ, from Liverpool to Melbourne = 91.22° south

The change in longitude from Liverpool to Melbourne = Δλ

Δλ = -2.99° - 144.96°  = -147.95°

Therefore the change in longitude from Liverpool to Melbourne = 147.95° East.

6 0
3 years ago
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