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oksano4ka [1.4K]
3 years ago
7

Plz help me. Im stuck on this question

Mathematics
1 answer:
vladimir1956 [14]3 years ago
6 0

Answer:

4b + 10c= T

Step-by-step explanation:

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Find the area of the yellow area shown here<br> a. 4x^2+2x+6<br> b.2x^2+4x+6<br> c.2x^2+2x+6
Airida [17]
The horizontal yellow are is : 2(x+3) = 2x + 6

The vertical yellow are is : x(x+2+x) = x(2x+2) = 2x² + 2x

Total area = 2x + 6 + 2x² + 2x = 2x² +4x + 6 (answer B)


5 0
3 years ago
apply the distributive property to write an esression that is equivalent to the above expression 2(3x-9)
Luba_88 [7]
2(3x) and 2(-9)
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6x-18
4 0
3 years ago
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Encuentra en cada producto notable el error o errores,enciérralo y escribe el resultado correcto.
lbvjy [14]

Given:

The equation is:

(2x+3y)(2x-3y)=4x^2+6y^2

To find:

The error in the given equation and correct it.

Solution:

We have,

(2x+3y)(2x-3y)=4x^2+6y^2

Taking left-hand side, we get

L.H.S.=(2x+3y)(2x-3y)

L.H.S.=(2x)^2-(3y)^2                 [\because a^2-b^2=(a-b)(a+b)]

L.H.S.=(2)^2(x)^2-(3)^2(y)^2       [\because (ab)^x=a^xb^x]

L.H.S.=4x^2-9y^2

It is not equal to right-hand side 4x^2+6y^2. In the right hand side, there must be a negative sign instead of positive sign.

Therefore, (2x+3y)(2x-3y)=4x^2-6y^2.

8 0
3 years ago
The diameter of a circle is 6 units what is the radius
krek1111 [17]

Answer:

r=3

Step-by-step explanation:

The diameter is double the radius. So, divide by 2.

6 0
3 years ago
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Simplify this expression<br> 4x(7x^2)<br> A 11x^2<br> B. 28x^2<br> C. 11x^3<br> D. 28x^3
slega [8]

Answer:

28 x^3

Step-by-step explanation:

4x(7x^2)

4 * x* 7* x*x

4*7   x*x*x

28 x^3

7 0
3 years ago
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