Y= # of pencils
z= # of pens
1y + 1.50z = 7
Total # of pencils and pens combined equals 6
4 pencils = $4
2 pens = $3
$4 + $3 = $7
4 pencils + 2 pens = 6 items total
Answer:
Answer: 170%
Step-by-step explanation:
From the de Moivre's we have,
<span>
(cosθ+isinθ)^n=cos(nθ)+isin(nθ)
</span><span>
Therefore,
</span><span>
R((cosθ+isinθ)^5)=cos(5θ)I((cosθ+isinθ)^5)=sin(5θ)
</span><span>
Simplifying,
</span><span>
cos^5(θ)−10(sin^2(θ))(cos^3(θ))+5(sin^4(θ))(cosθ)=cos(5θ) </span><span>
</span>
Answer:57/100
Step-by-step explanation:
First, convert 3/10 into hundreths to get a denominator equal to the other:
3/10 km = 30/100km
Add the numerators: 27+30=57
Place numerator over common denominator: 57/100
Decimal pt after 3 digits in first number so 3 digits in product.
