3 years ago

What is this answerSimplify to create an equivalent expression. \qquad{8k-5(-5k+3)}8k−5(−5k+3)

Mathematics

2 answers:

Licemer1 [7]3 years ago

6 0

Answer:

33k - 15

Step-by-step explanation:

Given expression,

$\qquad{8k-5(-5k+3)}$

By the distributive property,

$=8k-5(-5k) - 5(3)$

$=8k+25k-15$

By combining like terms,

$=33k-15$

∵ Further simplification is not possible,

Hence, the required simplified form of the given expression is,

$33k-15$

marissa [1.9K]3 years ago

3 0

Answer:

33k-15

Step-by-step explanation:

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Read 2 more answers

NEED HELP ASAP<br><br> Question A.) k=5<br> Question B.) ????

andrezito [222]

Answer:

b) $f^{-1}(x) = \frac{4x+5}{3}$

Step-by-step explanation:

b) To find the inverse function, switch the $x$ and $y$ variables and solve for $y$ :

$f(x) = \frac{3x-5}{4}\\y = \frac{3x-5}{4}\\x = \frac{3y-5}{4}\\4x = 3y-5\\4x+5 = 3y\\\frac{4x+5}{3} = y\\f^{-1}(x) = \frac{4x+5}{3}$

Verify Answer:

$f(1) = \frac{3(1)-5}{4} = -0.5\\f^{-1}(-0.5) = \frac{4(-0.5)+5}{3} = 1$

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