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Kobotan [32]
4 years ago
10

It is about solving equations by substitution. if you can help plzzz

Mathematics
1 answer:
Lyrx [107]4 years ago
6 0
Message me, and i can help more:)
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Polygon ABCD is a rectangle what is the area
Andre45 [30]

Solution:

As, You have Written Polygon ABCD is a rectangle.

It is a Four sided Polygon , having all it's interior angles equal to 90°.As well as Opposite sides are equal(AB=CD,AD=BC), equal diagonals(AC=B D).

Join any of the diagonal of Rectangle either AC or B D.

In Right Δ ABC , Right angled at B

{\text{Area (Right triangle ABC)}} =\frac{1}{2}\times AB \times BC---(1)

In Right  Δ ADC  , Right angled at D      

{\text{Area (Right triangle ABC)}} =\frac{1}{2}\times AD \times DC---(2)

Adding (1) and (2) that is LHS to LHS and RHS to RHS

Ar( Δ ABC) +Ar( Δ ADC)=\frac{1}{2}\times[ AB \times BC+ AD \times DC]\\\\=\frac{1}{2}[2 \times AB \times BC][\text{As, AB=CD, and BC=AD}]\\\\ = AB \times BC

So, Area of Rectangle= Product of any two Adjacent Sides

7 0
4 years ago
Please help! it’s for 20 points
goldfiish [28.3K]
Function A isn't linear because it doesn't have a pattern on the y and Function B is a function because it has a pattern of .75 on the y or output

8 0
4 years ago
Does anyone know the correct answer?
Art [367]

Answer:

c

Step-by-step explanation:

got you g

4 0
3 years ago
A company produces a 4.56×10 to the third power lightbulbs each week running in scientific notation which is the best estimate o
stepladder [879]

Answer:Production rate  = 4.56 x 10³ bulbs/week

Production time = 9.36 x 10² weeks

Number of bulbs produced is

Answer: 4.27 x 10⁶ bulbs

Step-by-step explanation:

5 0
3 years ago
I need help ill mark brainliest if you do them all
notsponge [240]

<u>onthe question were it says 2 that is B.</u>

<u>on the question </u>

<u>with no number that is D</u>

<u>and number 4 is....... um maybe C or A but im not sure</u>

<u></u>

<u></u>

<u></u>

<u></u>

<u></u>

<u></u>

<u>Goodluck!</u>

7 0
3 years ago
Read 2 more answers
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