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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How to solve this problem

S_A_V [24]

Step One
Solve for y
Cos(A) = adjacent / hypotenuse
Cos(A) = y / 8
y = 8 * cos(A)
y = 8 * cos(73)
y = 8 * 0.2924
y = 2.339

Step Two
Solve for x
Sin(A) = opposite / hypotenuse
Sin(73) = x / 8
x = 8 * sin(73)
x = 8 * 0.9563
x = 7.550

Check
x^2 + y^2 =? 8^2
2.339^2 + 7.55^2 =? 8^2
5.471 + 58.53 =? 64
64.000921 = 64 which is close enough.

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3 years ago