2 years ago

Rectangle ABCD is graphed on a coordinate plane. The following vertices of the rectangle:

Mathematics

1 answer:

BartSMP [9]2 years ago

5 0

Answer:

126

Step-by-step explanation:

The difference of Y in terms of D - A = 7 + 2 = 9

The difference of X in terms of D - C = 7 + 7 = 14

Area = 9 × 14 = 126

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Prove that f(x)=x+3/2 and g(x)=2x-3are inverse

goldfiish [28.3K]

Answer:

Proofs

Step-by-step explanation:

$f(x) = x + \frac{3}{2}$

$y = x + \frac{3}{2}$

$x = y + \frac{3}{2}$

$x - \frac{3}{2} = y$

${f}^{ - 1} (x) = x - \frac{3}{2}$

They are not inverse because f^-1(x) = x - 3/2 is not the inverse to g(x) = 2x - 3.

5 0

3 years ago

Let x represent one number and let y represent the other number. The sum of two numbers is negative 6. If one number is subtract

GalinKa [24]

Answer:

x=7 and y=-1

Step-by-step explanation:

X+Y=6 OR X=6-Y ...(1)

X-Y=8 ...(2)

substitue X=6-Y in (2)

(6-Y)-Y=8

6-2Y=8

-2Y=8-6

-2Y=2

Y=2/-2\Y=-1 ANS.

for x, substitute Y=-1 in (1) above

X-(-1)=8

X=8-1

X=7 ANS.

7 0

3 years ago

One cold night the temperature was 0 degrees at 8 p.m. The temperature dropped at a constant rate from 8 p.m. to midnight. At mi

Elena L [17]

-16.8 = m(4)

-16.8 / 4 = -4.2

So the constant rate is -4.2.

Hope this Helps!!

4 0

3 years ago

Please help this is due tomorrow.<br><br> 1/2 of 20?

Mars2501 [29]

1/2 of 20 is 20/2 which is 10.

All you really need to do here is to divide 20 by 2 to get 10.

6 0

3 years ago

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XY is the diameter of a semicircle. XY is of length 10.2cm.

Sergeu [11.5K]

easy, u have to do

10.2 cm - 5.9 cm

and that will equal 4.3

hope that helped! :]

5 0

3 years ago

Read 2 more answers