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3 years ago

Pepper jackie has 12 picks 1 out of every 4 picks is orange the rest are green how many picks are orange

Mathematics

2 answers:

inessss [21]3 years ago

6 0

3 picks will be orange. 12/4 = 3

Len [333]3 years ago

3 0

Answer:

Step-by-step explanation:

Pepper Jackie has 12 picks, 1 out of every 4 pick is orange and the rest are green.

So there could be three groups of 4 each and in each group there is 1 orange.

There are 3 groups of 4 each that makes 12 ( $3 \times 4=12$ )

Now, in each group there is 1 orange, so in three groups there will be

$1+1+1=3$ orange.

1 for each group.

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If x = a sin α, cos β, y = b sin α.sin β and z = c cos α then (x²/a²) + (y²/b²) + (z²/c²) = ?

Oduvanchick [21]

$\large\underline{\sf{Solution-}}$

Given:

$\rm \longmapsto x = a \sin \alpha \cos \beta$

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Therefore:

$\rm \longmapsto \dfrac{x}{a} = \sin \alpha \cos \beta$

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Now:

$\rm = \dfrac{ {x}^{2} }{ {a}^{2}} + \dfrac{ {y}^{2} }{ {b}^{2} } + \dfrac{ {z}^{2} }{ {c}^{2} }$

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$\rm = { \sin}^{2} \alpha (\cos^{2} \beta + \sin^{2} \beta )+ { \cos}^{2} \alpha$

$\rm = { \sin}^{2} \alpha \cdot1+ { \cos}^{2} \alpha$

$\rm = { \sin}^{2} \alpha + { \cos}^{2} \alpha$

$\rm = 1$

Therefore:

$\rm \longmapsto\dfrac{ {x}^{2} }{ {a}^{2}} + \dfrac{ {y}^{2} }{ {b}^{2} } + \dfrac{ {z}^{2} }{ {c}^{2} } = 1$

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Martin burns 360 calories running for 30 minutes. Paul burns 165 calories for every 15 minute he runs. If Kara runs for 20 minut

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Needs to burn between 11 and 12 calories/min, so we'll calculate the range:

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