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mariarad [96]
2 years ago
14

Help please :( I tried working on this for a while and haven’t got near anything close to the answer D:

Mathematics
1 answer:
valina [46]2 years ago
4 0

Answer:

a) 11x

b) x=14

Step-by-step explanation:

So we know that there are 2 shapes

a triangle and a rectangle

The area for a triangle is b*h/2

The area for a rectangle is L*W

Now we know the height and the base for the triangle and we know the length and width of the rectangle

So lets do the triangle first

So we know the height is 6 and the base is x.

Now 6*x is 6x.

And 6x/2 is 3x.

now we know that the triangle angle is equal to 3x

now the rectangle is 8*x

which is 8x

now we know the rectangle (8x)

now we add them up since it’s asking for the total area

Now its 11x

So thats part A, 11x is the expression

A expression is Without a equal sign and it’s used as a basic formula for he unknown variable

The equation now for part b is

11x=154

now that is the equation becuase we sole for x and we an use the previous expression becuase now we know what the area is.

now solve for x and you’ll get x=14.

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Answer:

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Step-by-step explanation:

7 0
3 years ago
Which statement is true about the factorization of 30x2+40xy+51y2
icang [17]
The complete question is
Which statement is true about the factorization of 30x² + 40xy + 51y²<span>?

A. The factorization of the polynomial is 10(3x2 + 4xy + 5y2).
B. The polynomial can be rewritten as the product of a trinomial and xy.
C. The greatest common factor of the polynomial is 51x2y2.
D. The polynomial is prime, and the greatest common factor of the terms is 1.

we know that

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case B) is not right because the original polynomial is already a trinomial
case C) is not right because the terms do not contain 51x^2y^2
<span>case D) is right 
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</span><span>Factors of 30 are-----> 1,2,3,5,6,10,15,30
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<span>so
</span><span>The "Greatest Common Factor" is the largest of the common factors
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therefore

the answer is the option
</span>D. The polynomial is prime, and the greatest common factor of the terms is 1<span>



</span>
8 0
3 years ago
P2 + 14p + 40 written as a binomial
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= p² + 10p + 4p + 40
= p(p+10) + 4(p+10)
= (p+10)(p+4)


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irina1246 [14]

Answer:

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Product of the roots of ax^2 + bx + c = c/a.

Thus the product of the roots of this equation = -41/15.

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