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4 years ago

The smallest hummingbird is the Bee hummingbird. It has a mass of about 1

Mathematics

1 answer:

Zanzabum4 years ago

5 0

Answer

Assuming that the

mass of the smallest humming bird is = 4 g

Mass of the larger humming bird = 5 times mass of Bee hummingbird.

Mass of larger humming bird = 5 x 4 g

= 20 g

Hence, mass of the larger humming bird is equal to 20g.

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What % of 1 meter is 70 meter

Marrrta [24]

well, let's say 1 meter is the 100%, now, if we know that 1 is 100%, what percentage is 70?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 1&100\\ 70&x \end{array}\implies \cfrac{1}{70}=\cfrac{100}{x}\implies x =7000$

5 0

4 years ago

Which is the same as dividing a number by 10?

Firlakuza [10]

Answer:

A is the answer

Step-by-step explanation:

Anytime a number is being divided by 10 it moves to the left creating a decimal.Example : 5÷10 = 0.5 , 500÷10 = 50

Anytime a number is being multiplied by 10 the number increases with a 0. Example : 5 × 10 =50

I hope this helped

6 0

3 years ago

Read 2 more answers

A store donated 2 1/4 cases of crayons to a daycare center. Each case holds 24 boxes of crayons; each box holds 8 crayons. How m

Maslowich

Answer:

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Step-by-step explanation:

4 0

4 years ago

If 3x^2 + y^2 = 7 then evaluate d^2y/dx^2 when x = 1 and y = 2. Round your answer to 2 decimal places. Use the hyphen symbol, -,

S_A_V [24]

Taking $y=y(x)$ and differentiating both sides with respect to $x$ yields

$\dfrac{\mathrm d}{\mathrm dx}\bigg[3x^2+y^2\bigg]=\dfrac{\mathrm d}{\mathrm dx}\bigg[7\bigg]\implies 6x+2y\dfrac{\mathrm dy}{\mathrm dx}=0$

Solving for the first derivative, we have

$\dfrac{\mathrm dy}{\mathrm dx}=-\dfrac{3x}y$

Differentiating again gives

$\dfrac{\mathrm d}{\mathrm dx}\bigg[6x+2y\dfrac{\mathrm dy}{\mathrm dx}\bigg]=\dfrac{\mathrm d}{\mathrm dx}\bigg[0\bigg]\implies 6+2\left(\dfrac{\mathrm dy}{\mathrm dx}\right)^2+2y\dfrac{\mathrm d^2y}{\mathrm dx^2}=0$

Solving for the second derivative, we have

$\dfrac{\mathrm d^2y}{\mathrm dx^2}=-\dfrac{3+\left(\frac{\mathrm dy}{\mathrm dx}\right)^2}y=-\dfrac{3+\frac{9x^2}{y^2}}y=-\dfrac{3y^2+9x^2}{y^3}$

Now, when $x=1$ and $y=2$ , we have

$\dfrac{\mathrm d^2y}{\mathrm dx^2}\bigg|_{x=1,y=2}=-\dfrac{3\cdot2^2+9\cdot1^2}{2^3}=\dfrac{21}8\approx2.63$

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3 years ago

The answer to this question <br> Volume =9,145.33 pi in^3<br> Diameter =38

katovenus [111]

Answer: $diameter=38\ in$