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alina1380 [7]
4 years ago
12

NEED HELP PLEASE!!! Explain the answer! Will give brainliest!

Mathematics
1 answer:
Mrac [35]4 years ago
4 0
A= 8.55 X 10/-5 and B= 8.55 x 10/6
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What is the area of a rectangle that is 4 x 4 1/2?
Vladimir79 [104]
The area of the rectangle is 18 , I didn't understand the equation fully so I did (4*4.5=18) because (1/2=.5) .
 
Hope this helps
6 0
3 years ago
Factor this expression. x2 + 9x + 16
Alexxandr [17]

Answer:

Read below.

Step-by-step explanation:

Hey there, grab your solution:

x²+9x+16=0

Sqrt(D)=sqrt(17)

So x is:

(-9+sqrt(17))/2

And (-9-sqrt(17))/2

3 0
3 years ago
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
Square root of 17.083
Eddi Din [679]

Answer:

About 4.1331586

Step-by-step explanation:

\sqrt[]{17.083} ≈ 4.1331586

8 0
3 years ago
Read 2 more answers
If y = -x and x + 6y = 30, what is the<br> value of x?
jekas [21]

Answer:

x = -6

Step-by-step explanation:

y = -x  equation 1

x + 6y = 30   equation 2

using equation 1 in equation 2 we have:

x + 6(-x) = 30

x - 6x =30

-5x = 30

x= -30/5

x= -6

8 0
3 years ago
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