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tankabanditka [31]
3 years ago
11

3 plus 27 divided (4 plus 5) 1/3 plus 2/5

Mathematics
2 answers:
Iteru [2.4K]3 years ago
5 0

Answer:

for q4 it 3 but q5 ibk.. .............

pshichka [43]3 years ago
5 0

Answer:

3 + 27 / (4 + 5) = 6

1/3 + 2/5 = 11/15

Step-by-step explanation:

(4 + 5) = 9

27/9 = 3

3 + 3 = 9

1 x 5 = 5

3 x 5 = 15

5/15

2 x 3 = 6

5 x 3 = 15

6/15

5/15 + 6/15 = 11/15

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\bf tan(\theta )=\cfrac{y}{x}\implies tan(\theta )=\cfrac{y}{15}\implies tan(\theta )=\cfrac{1}{15}\cdot y&#10;\\\\\\&#10;\stackrel{chain~rule}{sec^2(\theta )\cfrac{d\theta }{dt}}=\cfrac{1}{15}\cdot \cfrac{dy}{dt}\implies \cfrac{1}{cos^2(\theta )}\cdot\cfrac{d\theta }{dt}=\cfrac{1}{15}\cdot \cfrac{dy}{dt}&#10;\\\\\\&#10;\boxed{\cfrac{d\theta }{dt}=\cfrac{cos^2(\theta )\frac{dy}{dt}}{15}}\\\\&#10;-------------------------------\\\\&#10;

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