3 years ago

Which expression is equivalent to 5(3 + 4k ) + 3(4 +k )?

2 answers:

8 0

Its gonna be C you need to multiply 5•3=15and then 5•4k=20k and then multiple 3•4=12 and 3•k= 3k and then you want to combine like terms being add the k's and the regular numbers making it 27+23k

mylen [45]3 years ago

3 0

Answer:

27+23K

Step-by-step explanation:

Use distributive property

15+20k+12+3K

Now combine like terms

23K+27

thats your answer

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3 years ago

Read 2 more answers

Simplify the following expression to an answer with only positive exponents.

yulyashka [42]

Answer:

The correct answer is (edit: b).

Step-by-step explanation:

$\frac{(2x^5y^7)(-5x^4z^{-5})}{y^{12}z^6}\\\\\frac{-10x^9y^7z^{-5}}{y^{12}z^6}\\\\\frac{-10x^9}{y^5z^{11}}$

3 0

3 years ago

Determine the values of k and p so that the solution is "All Reals" when solving for y:

Angelina_Jolie [31]

Answer:

The value of k is $\pm 9$ and The value of p is - 23

Step-by-step explanation:

Given equation as :

81 y - 17 = k² y + 6 + p

The equation has real solution ,

Now for real solution the equation have no solution

∵ The equation has no solution the ,

The coefficient of y must be equal

I.e 81 = k²

Or, k = $\sqrt{81}$

∴ k = $\pm 9$

Again , If the coefficient of y is same then the equation is written as

6 + p = - 17

or, p = - 17 - 6

or, p = - 23

Hence The value of k is $\pm 9$ and The value of p is - 23 Answer

6 0

3 years ago