3 years ago

Which expression is equivalent to -6(3x-3)?

Mathematics

2 answers:

adell [148]3 years ago

8 0

-18x+4 is the correct answer

Komok [63]3 years ago

5 0

Your answer is right

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B2%7D%20%20%20%5Cdiv%202%20%2B%202%20%5Cdiv%20%20%5Csqrt%7B2%20%7D%20" id="TexForm

NeX [460]

Answer:

$\frac{3\sqrt{2} }{2}$

Step-by-step explanation:

Given

$\frac{\sqrt{2} }{2}$ + $\frac{2}{\sqrt{2} }$ ← rationalise the denominator by multiplying by $\frac{\sqrt{2} }{\sqrt{2} }$

= $\frac{\sqrt{2} }{2}$ + ( $\frac{2}{\sqrt{2} }$ × $\frac{\sqrt{2} }{\sqrt{2} }$ )

= $\frac{\sqrt{2} }{2}$ + $\frac{2\sqrt{2} }{2}$

= $\frac{3\sqrt{2} }{2}$

5 0

3 years ago

How can you determine if a number is a rational number?

FinnZ [79.3K]

A rational number is a number that can be written as a ratio. That means that it can be written as a fraction. The numerator and the denominator both need to be whole numbers for it to be rational. For example, 2 is a rational number because it can be written as the fraction 2/1.

8 0

3 years ago

A cat chases a mouse. The cat is originally 4 feet behind the mouse, which is running in the same direction along the same route

Verdich [7]

Step-by-step explanation:

The position of the mouse at time t is 4 + 12t.

The position of the cat at time t is 17t.

When the positions are equal:

4 + 12t = 17t

4 = 5t

t = 0.8

It takes 0.8 seconds.

8 0

3 years ago

I will mark as brainliest:)

labwork [276]

Hii I believe your option would be D. I hope it helps :)

8 0

3 years ago

Read 2 more answers

Doug collects baseball and football cards. He has 5 baseball cards in his collection for every 4 football cards. If Doug has 68

Andrej [43]

Answer: 85 baseball cards
Explanation: If Doug has 5 baseball cards for every four football cards, that means he has 125%, or 1.25x as many baseball cards as basketball cards at any given moment. If he has 68, we can multiply 68 by 1.25 and get 85 baseball cards

3 0

2 years ago