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3 years ago

Which of the following ratios is not equivalent to the other three 2/3 4to6 8to12 4/5

Mathematics

1 answer:

balu736 [363]3 years ago

7 0

Answer:

The non-equivalent ratio is 4:5.

Step-by-step explanation:

2/3 4/6 and 8/12 are equivalent because they are all multiples of each other.

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PLEASE HELP ME WITH THIS ONE QUESTION

gavmur [86]

Given:

$n=4$ and $r=3$ .

To find:

The combinations without repetition are possible if $n=4$ and $r=3$ .

Solution:

Combination of selecting r item from total n items is:

$^nC_r=\dfrac{n!}{r!(n-r)!}$

We have $n=4$ and $r=3$ . By using the above formula, we get

$^4C_3=\dfrac{4!}{3!(4-3)!}$

$^4C_3=\dfrac{4\times 3!}{3!1!}$

$^4C_3=4$

Therefore, the correct option is D.

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Emily is training for a 10K race. On day one, she runs for 20 minutes. On day two, she runs for 30 minutes. On day three, she ru

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Answer:

130

Step-by-step explanation:

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Roses produced asexually from cuttings are genetically identical to the parent. Roses grown from sexually produced seeds may loo

Ksju [112]

The correct answer would be B. Sexual reproduction does infact create more variation in plants.

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3 years ago

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30% of the 600 students at Mayberry Middle School have PE this semester. How many students have PE?

ella [17]

Answer:

180 students

Step-by-step explanation:

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3 years ago

Given f(x)= square root x and g(x) = lxl, which is the graph of (fog)(x)

marin [14]

Answer:

drawing the graph of $f(g(x))=\sqrt{|x|}$

The graph is attached in the images below.

Option A is correct option.

Step-by-step explanation:

We are given:

$f(x)=\sqrt{x}$ and $g(x)=|x|$

We need to find graph of (fog)(x)

We know that (fog)(x)= f(g(x))

Placing x=g(x) i,e x=|x|

$(fog)(x)= f(g(x))\\f(g(x))=\sqrt{|x|}$

Now, drawing the graph of $f(g(x))=\sqrt{|x|}$

The graph is attached in the images below.

Option A is correct option.

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