3 years ago

What is 20% of 55?

Mathematics

1 answer:

KengaRu [80]3 years ago

8 0

Answer:

12.1 is the answer

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Jude buys a book on sale for 30% off it’s original price b what expression represents the sale price of the book

fgiga [73]

Answer: .7(b)

Step-by-step explanation:

.7(b)

8 0

3 years ago

1- The acceleration of a particle is defined by the relation a = 6 ft/s 2. Knowing

TiliK225 [7]

Answer:

The initial velocity of the particle is

v' = -6 - 6.2 = -18 ft/s

at t = 5s, the velocity is v = -18 + 6.5 = 12 ft/s

the position is

$x = - 32 - 18 \times 5 + \frac{1}{2} \times 6 \times 5 {}^{2} = - 47 \: ft$

the total distance traveled is

$s = | \frac{12 {}^{2} - 18 {}^{2} }{2 \times 6} | = 15 \: ft$

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3 years ago

15. The floor plan of the basement of a shopping centre is drawn to a scale of 1:400.

maks197457 [2]

Answer:

4 hectares

Step-by-step explanation:

<u>The scale factor is:</u>

k = 1/400

Applied to the area we consider k² as the area is the product of two dimensions.

<u>Find the actual area:</u>

0.25 m² : (1/400)² =
0.25 m² * 160000 =
40000 m² =
40000 * 1/10000 hectares =
4 hectares

6 0

3 years ago

Red bird's flight path can be modeled by the quadratic equation y=-x^2+12x-11. What is the vertex? What is the axis of symmetry?

seraphim [82]

Answer:

Step-by-step explanation:

brainly.com/question/1366658

3 0

3 years ago

PLZ HELP!! WILL MAKE BRAINLIEST!!!

guapka [62]

Answer:

formula is 6a²= surface area

but since one side is not being painted it is

5a²= surface area

5(3.2)²

=51.2cm

8 0

3 years ago