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saveliy_v [14]
2 years ago
11

Please help. Given the sides of triangle GHI are as follows: GH is 4 cm; HI is 6 cm; and GI is 8 cm. The sides of another triang

le JKL are as follows: JK is 8 cm; KL is 12 cm; and LJ 14 cm.
Is triangle GHI similar to triangle JKL? Justify your reasoning with work.
Mathematics
1 answer:
My name is Ann [436]2 years ago
7 0

Answer:

4444444444445555555555

Step-by-step explanation:

I am mad don't know

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Consider the following polynomial functions.<br> f(a) = (2a - 7 + a?) and g(a) = (5 – a).
mote1985 [20]

Answer:

1 false

2 true

3 true

4 false

5 true

Step-by-step explanation:

f(a) = (2a - 7 + a^2) and g(a) = (5 – a).

1 false f(a) is a second degree polynomial and g(a) is a first degree polynomial

When added together, they will be a second degree polynomial

2. true  When we add and subtract polynomials, we still get a polynomial, so it is closed under addition and subtraction

3.  true  f(a) + g(a) = (2a - 7 + a^2) + (5 – a)

Combining like terms = a^2 +a -2

4.  false   f(a) - g(a) = (2a - 7 + a^2) - (5 – a)

Distributing the minus sign (2a - 7 + a^2) - 5 + a

Combining like terms  a^2 +3a -12

5.  true  f(a)* g(a)  = (2a - 7 + a^2)  (5 – a).

Distribute

                       (2a - 7 + a^2)  (5)  – (2a - 7 + a^2)  (a)

                        10a -35a +5a^2 -2a^2 -7a +a^3

Combining like term

-a^3 + 3 a^2 + 17 a - 35

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2 years ago
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2x +(3y+8z)=(2x+3y)+8z an example of which property?
lyudmila [28]
C. Associative Property
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