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3 years ago

What is the answer to 1/3 ✖9

Mathematics

2 answers:

crimeas [40]3 years ago

7 0

I hope this helps you

1/3.3.3 divided 3s

3

nexus9112 [7]3 years ago

7 0

You can easily do that by doing cross multiplication.

So, any whole number can be a fraction by adding 1 over them, right?
Cross multiply 1/3 x 9/1.
You would cancel the denominator of 1/3, which is 3, to 1. Then cancel the numerator of 9/1, which is 9, to 3 because 9 divided by 3 is 3.
Now, you're left with 1/1 x 3/1. Simplify.
The answer is 3/1 or 3.
I hope this answer is helpful! :)

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Which of these is NOT a Pythagorean triangle?

KengaRu [80]

8, 24, 25

$8^2+24^2\neq 25^2$

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3 years ago

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Can anyone someone please help me:((

Masteriza [31]

Answer:

Therefore, the standard for will be:

$y=\frac{1}{4}x^{2}-x-4$

Step-by-step explanation:

The equation of a parabola written as vertical axes is given by:

$(x-h)^{2}=4p(y-k)$ (1)

The vertex of the parabola (h,k) is (2,-5).

The focus (h,k+p) is (2,-4)

Then we can find p knowing that:

h = 2

k = -5

k + p = -4 then p = -4+5 = 1

Putting all these values in equation (1) we will find the equation of the parabola:

$(x-2)^{2}=4(1)(y-(-5))$

$(x-2)^{2}=4(y+5)$ (2)

Now, we need to find the standard form of the equation of the parabola.

Let's recall that standard form is:

$y=ax^{2}+bx+c$

We just need to work out equation (2) to convert it to the standard form.

$(x-2)^{2}=4(y+5)$

$x^{2}-4x+4=4(y+5)$

$\frac{1}{4}x^{2}-x+1=y+5$

Therefore, the standard for will be:

$y=\frac{1}{4}x^{2}-x-4$

I hope it helps you!

6 0

3 years ago

There are 2 green marbles, 4 blue marbles, 1 red marble, and 8 yellow marbles in a bag. Once a marble is drawn, it is NOT replac

ELEN [110]

Answer:

P(a blue marble then a green marble) is 4/105 ⇒ 1st answer

Step-by-step explanation:

* Lets explain how to solve the problem

- There are 2 green marbles

- There are 4 blue marbles

- There are 1 red marble

- There are 8 yellow marbles

- Once a marble is drawn, it is <em>NOT</em> replaced

- We need to find P(a blue marble then a green marble)

* At first lets find the total number of marbles by adding all color

∵ There are 2 green , 4 blue , 1 red and 8 yellow

∴ The total number of marbles = 2 + 4 + 1 + 8 = 15

∴ There are 15 marbles in the bag

∵ Probability = number of events/number of all outcomes

∵ There are 4 blue marbles

∴ The probability of chosen a blue marble is P(blue) = 4/15

∵ Once a marble is drawn, it is <em>NOT</em> replaced

∴ The total number of marbles = 15 - 1 = 14 marbles

∵ The number of green marbles is 2

∴ The probability of chosen a green marble is P(green) = 2/14

∵ P(a blue marble then a green marble) = P(blue) . P(green)

∵ P(blue) = 4/15

∵ P(green) = 2/14

∴ P(a blue marble then a green marble) = (4/15)(2/14) = 4/105

* P(a blue marble then a green marble) is 4/105

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4 years ago

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steposvetlana [31]

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given
d=30
d/2=30/2=15=r

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perimiter=15pi+30
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perimiter=77.1239

total cost=cost per foot times feet
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total cost=713.396

it will cost $713.40

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4 years ago

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3³+1x9+12 answer please, I really think it's 48.

UNO [17]

Answer:

You are correct the answer is 48.

Step-by-step explanation:

To begin solving this question you would want to start simplifying it to make it more understandable.

3^3 is 27 which now gives you 27 + 1 x 9 +12 which makes it easier to solve.

Then you would take 1 x 9 = 9 (multiply left to right)

Now it is simple addition

27 + 9 + 12 = 48

Hopefully this helps.

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4 years ago

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