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3 years ago

Hey I need help on finding where this girl messed up and can you tell me where she did?

Mathematics

1 answer:

joja [24]3 years ago

8 0

Step 4 because where did she get the 2 there was no two hope this helps hope i am brainliest

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Please help me with this Algebra I question.

horrorfan [7]

Answer:

$-\dfrac{b^2}{16a^4}$

Step-by-step explanation:

Given expression:

$\dfrac{(2a)^{-2}b^5}{-4a^2b^3}$

$\textsf{Apply the exponent rule}\quad (ab)^c=a^c \cdot b^c:$

$\implies \dfrac{2^{-2}a^{-2}b^5}{-4a^2b^3}$

Separate the variables:

$\implies \dfrac{2^{-2}}{-4}\cdot \dfrac{a^{-2}}{a^2}\cdot \dfrac{b^5}{b^3}$

$\textsf{Apply the exponent rule} \quad \dfrac{a^b}{a^c}=a^{b-c}:$

$\implies \dfrac{2^{-2}}{-4}\cdot a^{-2-2}\cdot b^{5-3}$

$\implies \dfrac{2^{-2}}{-4}\cdot a^{-4}\cdot b^{2}$

$\textsf{Apply the exponent rule}\quad a^{-n}=\dfrac{1}{a^n}:$

$\implies \dfrac{1}{-4(2^2)}\cdot \dfrac{1}{a^4}\cdot b^{2}$

$\implies -\dfrac{1}{16}\cdot \dfrac{1}{a^4}\cdot b^{2}$

Simplify:

$\implies -\dfrac{b^2}{16a^4}$

5 0

2 years ago

Classify Angle 1 & Angle 2 by choosing the correct term from the choices below.

Elena L [17]

Answer:

complementary

Step-by-step explanation

Im not positive but theres a high chance its B

8 0

2 years ago

Give an example of thailands abundance of animal life

LenKa [72]

Deer hunters like killing them so they die

7 0

3 years ago

Select the term that describes the constant portion in this quadratic equation.

Goryan [66]

Answer: 16

Step-by-step explanation:

A quadratic function is a function of the form f(x) = ax2 +bx+c, where a, b, and c are constants and a = 0. The term ax2 is called the quadratic term (hence the name given to the function), the term bx is called the linear term, and the term c is called the constant term.

Therefore, the constant term in the equation is 16.

3 0

3 years ago

2. Lines BC and DE are both vertical. What is the length of AD?

MrMuchimi

Answer:

A) 4.5

Step-by-step explanation:

you can set up a ratio comparing AB/CB to (AB + BD)/5

3/2 = 3 + BD/5

cross-multiply to get 15 = 2(3 + BD)

15 = 6 + 2BD

9 = 2BD

9/2 = BD

5 0

3 years ago