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3 years ago

There are 15 purple marbles, 3 pink marbles and 12 gray marbles. What is the ratio of purple marbles to all marbles?

Mathematics

2 answers:

Radda [10]3 years ago

5 0

I think that it’s 15:30

frosja888 [35]3 years ago

4 0

The answer is 15:30 which can be simplified to 1:2

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Aloiza [94]

Answer:

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Step-by-step explanation:

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3 years ago

I need the answer I will mark u brainalist

pashok25 [27]

Answer:

x= 1

Step-by-step explanation:

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3 years ago

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motikmotik

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3 years ago

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DanielleElmas [232]

Answer:

do 49 x 49 which equals 2,401 then check it

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3 years ago

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What is the value of log(x exponent 2 y exponent 3 divided by z) when given the following:

Gekata [30.6K]

Answer:

B. 13

Explanation:

$\sf\:Given\:expression: log(\dfrac{x^2 y^3}{z} )$

Logarithm rules:

$\sf (i) \ \sf log(ab) = log(a) + log(b)\\ \\ (ii) \ log(a/b) = log(a) - log(b)\\\\ (iii) \ log(a^n) = n log(a)$

Breakdown of the expression:

$\rightarrow \sf log\left(\dfrac{x^2y^3}{z}\right)$

$\rightarrow \sf log\left(x^2\right) + log\left(y^3\right) - log(z)$

$\rightarrow \sf 2\log\left(x\right)+3\log \left(y\right)-\log \left(z\right)$

insert given values

$\rightarrow \sf 2(3)+3(2)-(-1)$

$\rightarrow \sf 13$

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2 years ago