3 years ago

How wouldn't you do this

1 answer:

8 0

I wouldn't put it on Brainly. I would read the book and work it out by myself instead. That way, if I was lucky, I might learn something.

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The discount price of a pair of pants is $42. What is the regular price?

maks197457 [2]

What is the discount percentage

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3 years ago

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The ratio of the number of boys to the number of girls at school is 4:5. what fraction of the students are boys?

Arisa [49]

Boys to girls is 4:5.......added = 9

so 4/9 are boys and 5/9 are girls

5 0

3 years ago

Simplify (square root 2)( square root of 2^3)

steposvetlana [31]

Answer:

$\large\boxed{(\sqrt2)(\sqrt{2^3})=4}$

Step-by-step explanation:

$(\sqrt2)(\sqrt{2^3})\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{2\cdot2^3}\qquad\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{2^{1+3}}=\sqrt{2^4}\\\\(1)=\sqrt{2^{2\cdot2}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt{(2^2)^2}\qquad\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=2^2=4\\\\(2)=\sqrt{2\cdot2\cdot2\cdot2}=\sqrt{16}=6\ \text{because}\ 4^2=16$

8 0

3 years ago

What is the expression 42+13+9 in factored form

NeX [460]

Answer:

Step-by-step explanation:

7 0

2 years ago

It's number 6?its really hard me and my friends have tried but we just don't know.

Elden [556K]

Let n be the amount of points earned in round 5

the goal of the game is to get zero when you add up the point value from all the rounds.

this means
-9 +3 + (-8)+ 2 +n =0

add up all the given numbers, then see which number(n) is required in order to get zero

any questions?

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2 years ago