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3 years ago

Which is likely to have a mass close to 3 kilograms

Mathematics

2 answers:

olga55 [171]3 years ago

6 0

3 kilograms equals about 6.6 pounds

So B. a five-year-old cat would have a mass close to 3 kilograms

:)))

tatyana61 [14]3 years ago

3 0

The answer would be choice B. "Five-year-old cat."

3 kilograms is about 6 pounds, which is reasonable for a cat of that age. It is reasonable to come to the conclusion that 6 pounds is too heavy for a peach or a small feather. Also, that would be far too light to be the weight of a grown elephant, given that they usually weigh a few tons.

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Find BC<br>AC = 7<br>BD = 7.5<br>DE = 1.5<br>AE = 11

tatuchka [14]

CE=AE-AC=4

CD=CE-DE=4-1.5=2.5

BC=BD-CD=7.5-2.5=5

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3 years ago

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3 years ago

Read 2 more answers

given that sin theta= 1/4, 0 is less than theta but less than pi/2, what is the exact value of cos theta

lapo4ka [179]

Answer:

$\cos{\theta} = \frac{\sqrt{15}}{4}$

Step-by-step explanation:

For any angle $\theta$ , we have that:

$(\sin{\theta})^{2} + (\cos{\theta})^{2} = 1$

Quadrant:

$0 \leq \theta \leq \frac{\pi}{2}$ means that $\theta$ is in the first quadrant. This means that both the sine and the cosine have positive values.

Find the cosine:

$(\sin{\theta})^{2} + (\cos{\theta})^{2} = 1$

$(\frac{1}{4})^{2} + (\cos{\theta})^{2} = 1$

$\frac{1}{16} + (\cos{\theta})^{2} = 1$

$(\cos{\theta})^{2} = 1 - \frac{1}{16}$

$(\cos{\theta})^{2} = \frac{16-1}{16}$

$(\cos{\theta})^{2} = \frac{15}{16}$

$\cos{\theta} = \pm \sqrt{\frac{15}{16}}$

Since the angle is in the first quadrant, the cosine is positive.

$\cos{\theta} = \frac{\sqrt{15}}{4}$

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3 years ago

Convert 7/66 to a decimal equivalent

wlad13 [49]

$\frac{7}{66}$ = 0.10606

Step-by-step explanation:

$\frac{7}{66}$

Since we have only one digit in the numerator and the denominator has 2 digits, we have to 0 along with 7, so that it becomes 70, 1 time 66 is 66, 70 - 66 = 4 is the remainder, so the quotient is 0.1, then along with 4 we have to add one 0 , so it becomes 40 which is lesser than 66 so one more 0 is added and then it becomes 400, 6 times 66 is 396, 400 - 396 = 4 again the process going on. The quotient is 0.10606...

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aleksandr82 [10.1K]

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