Help me plz do not put anything ( not being rude)

Mathematics

1 answer:

Mrrafil [7]3 years ago

7 0

I hope this helps you

when x=20 y=30

x=40 y=60

y=40.3/2

y=x.3/2

y=3/2.x

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Plz help<br> and no guessing

Pani-rosa [81]

Multiply 1st equation by 5
-5x + 10y = -20

now you have
-5x + 10y = -20
5x - 10y = 20
---------------------add
0 + 0 = 0
0 = 0

answer
C. the system has infinitely many solutions

6 0

3 years ago

Read 2 more answers

A section in a stained glass window is shaped like a trapezoid. The top base is 2 centimeters and the bottom base is 4.5 centime

Elza [17]

Answer:

2.8 cm

Step-by-step explanation:

The area of a trapezoid is calculated using the formula:

$A=\frac{(B+b)h}{2}$

where

B is the length of the major base

b is the length of the minor base

h is the height of the trapezoid

In this problem, the glass window has the shape of a trapezoid. We know that:

B = 2 cm is the length of the top base

b = 4.5 cm is the length of the bottom base

$A=9.1 cm^2$ is the area of the trapezoid

Solving for h, we can find the height of the stained glass window:

$h=\frac{2A}{B+b}=\frac{2(9.1)}{2+4.5}=2.8 cm$

8 0

2 years ago

What is the prime factorization of 2,800

11111nata11111 [884]

$2800|2\\1400|2\\.\ 700|2\\.\ 350|2\\.\ 175|5\\.\ \ 35|5\\.\ \ \ 7|7\\.\ \ \ 1|\\\\\boxed{2800=2\times2\times2\times2\times5\times5\times7=2^4\times5^2\times7}$