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Vlad [161]
3 years ago
15

In the figure, the ratio of the perimeter of rectangle ABDE to the perimeter of triangle BCD is 2/3 1 3/2 2 . The area of polygo

n ABCDE is 18 22 24 28 square units.
Mathematics
1 answer:
adelina 88 [10]3 years ago
6 0
It would b 2/3 and the other one 2/4

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Length of x <br> A.6 <br> B.10<br> C.6.2<br> D.8
Bad White [126]
X/7 = 6/4.2

4.2x = 42

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Solve for a = ____.<br><br> 1. 6<br> 2. 4<br> 3. 9
garik1379 [7]
The answer is 3, or 9
8 0
2 years ago
Timed help asap free 30 points after if correct find the value of the polynomial x^2-3xy+1/2 y^2 if x=3,y-2
BARSIC [14]

Answer:

Ans: 29

Step-by-step explanation:

soln:

Given,

x=3 and y=-2

Now,

x^2-3xy+1/2y^2

= 3^2-3×3×(-2) +1/2(-2)^2

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7 0
2 years ago
Plz help me -1/8(-2x-1)
baherus [9]

Answer:

1/4x+1/8

Step-by-step explanation:

-1/8(-2x-1)

=1/4x+1/8

6 0
3 years ago
Read 2 more answers
The altitude of an object, d, can be modeled using the equation below. d=-16t^2+vh+h.where v is the initial velocity and h is th
finlep [7]

Answer:

The stone will be in flight for 3 seconds

Step-by-step explanation:

Given the equation;

d = -16t^2 + vt + h

Where;

v = the initial velocity

h = the initial height

Given;

v = 48 ft/s

h = 0

Substituting into function d;

d = -16t^2 + 48t + 0

d = -16t^2 + 48t

At the point of launch and the point of landing d = 0.

We need to calculate the values of t for d to be equal to zero.

d = -16t^2 + 48t = 0

-16t^2 + 48t = 0

Factorising, we have;

16(-t+3)t = 0

So,

t = 0 or -t+3 = 0

t= 0 or t =3

Change in t is;

∆t = t2 - t1 = 3 - 0

∆t = 3 seconds.

The stone will be in flight for 3 seconds.

6 0
3 years ago
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