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3 years ago

Is this a polygon or trapezoid?

Mathematics

2 answers:

eimsori [14]3 years ago

7 0

Answer:

polygon

Step-by-step explanation:

A polygon describes any shape, a trapazoid describes a specific shape with 2 parallel sides and 2 non-parallel sides (like the image below)

as we see your image does not look like the image below, so it would just be a normal old polygon

hope this helps!

dexar [7]3 years ago

3 0

Answer: No

The reason why is because this is actually a pentagon since it has 5 sides. A trapezoid must have 4 sides (making it a quadrilateral), and exactly one pair of opposite sides are parallel. The other pair of opposite sides are not parallel.

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Suppose xy=−2 and dy/dt=−4. Find dx/dt when x=−1.

Nikitich [7]

Answer:

-2

Step-by-step explanation:

Dividing the given equation by x, we find y to be ...

y = -2/x

Then ...

dy/dx = 2/x^2

and ...

dy/dt = (2/x^2)dx/dt

dx/dt = (x^2/2)dy/dt

When dy/dt = -4 and x=-1, this is ...

dx/dt = (-1)^2/2(-4) = (1/2)(-4)

dx/dt = -2

8 0

3 years ago

9x+6x simplify how to

saul85 [17]

Answer:

15x

Step-by-step explanation:

Combine like terms.

9+6=15

9x+6x=15x

6 0

3 years ago

Read 2 more answers

Please someone help me answer this ASAP

Vsevolod [243]

Answer:

0.28 represents the growth factor

Step-by-step explanation:

Given

$f(x) = 5719(0.28)^x$

Required

What does 0.28 represents

In a function:

$y = ab^x$

b represents the growth factor.

By comparison:

$b = 0.28$

So, this implies that: 0.28 represents the growth factor

5 0

3 years ago

Lionel is planning a one-day outing.

pychu [463]

Answer:

Option B - $y=5x+40$ and $y=3x+60$

Step-by-step explanation:

Given : The Thrill amusement park charges an entry fee of $40 and an additional $5 per ride, x. The Splash water park charges an entry fee of $60 and an additional $3 per ride, x.

To find : Which system of equations could be used to determine the solution where the cost per ride of the two amusement parks, y, is the same?

Solution :

Let x be the number of rides and

y be the cost per ride.

According to question,

The Thrill amusement park charges an entry fee of $40 and an additional $5 per ride.

The equation form is $y=40+5x$

The Splash water park charges an entry fee of $60 and an additional $3 per ride.

The equation form is $y=60+3x$

Therefore, The required system of equations form are

$y=5x+40$ and $y=3x+60$

So,Option B is correct.

6 0

4 years ago

Read 2 more answers

A collection of 30 coins worth $5.50 consists of nickels, dimes, and quarters. There are twice as many dimes as nickels. How man

defon

Three unknowns requires three equations to solve . . .

1) n + d + q = 30
2) d = 2n
3) (0.05)n + (0.10)d + (0.25)q = 5.50

* plug 2) into 1) and solve for q

n + 2n + q = 30

3n + q = 30

q = 30 - 3n

* now we have variables d and q expressed in terms of n, so we plug those equations into 3) and solve for n . . .

0.05n + 0.10(2n) + 0.25(30 - 3n) = 5.50

0.05n + 0.20n + 7.50 - 0.75n = 5.50

(0.05 + 0.20 - 0.75)n + 7.50 = 5.50

-0.50n + 7.50 = 5.50

-0.50n = 5.50 - 7.50

-0.50n = -2.00

n = -2.00/-0.50 = 4

d = 2n = 2(4) = 8

q = 30 - 3n = 30 - 3(4) = 30 - 12 = 18

The answer is . . .

n = 4 nickels
d = 8 dimes
q = 18 quarters

. . . for a total of (4 + 8 + 18) = 30 coins
. . . 8 dimes is twice 4 nickels
. . . $0.05(4) + $0.10(8) + $0.25(18) = $5.50

3 0

3 years ago