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Irina-Kira [14]

3 years ago

14

Determine the equation of the line passing through the midpoint of the segment (-1 , 3) and (2 , -4) and that is parallel to the

line 2x - 4y = 11

1 answer:

kifflom [539]3 years ago

8 0

Answer:

2+3+87+748+7467++57-65488=20 that is the answer

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-4(8h-5)= -16 round to the nearnest hundreth

bezimeni [28]

Answer:

h=9/8 or 1.125 but since yo said round it's 1.13

Step-by-step explanation:

8 0

3 years ago

Billy’s mother had five children. The first was named Lala, the second was named Lele, the third was named Lili, the fourth was

pantera1 [17]

Answer:

Billy

Step-by-step explanation:

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3 years ago

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the distance from school to Zoie's house is 3km469m. Jamie's house is 4km301m farther away from Zoie's. How far is it from Jamie

levacccp [35]

Hi there,

To travel from Jamies house to the school, you would have to travel is 7km770m.

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Dus4nR

3 0

4 years ago

34kurt

Answer:

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5 0

4 years ago

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After being treated with chemotherapy, the radius of the tumor decreased by 23%. What is the corresponding percentage decrease i

Crazy boy [7]

Answer:

The volume of the tumor experimented a decrease of 54.34 percent.

Step-by-step explanation:

Let suppose that tumor has an spherical geometry, whose volume ( $V$ ) is calculated by:

$V = \frac{4\pi}{3}\cdot R^{3}$

Where $R$ is the radius of the tumor.

The percentage decrease in the volume of the tumor ( $\%V$ ) is expressed by:

$\%V = \frac{\Delta V}{V_{o}} \times 100\,\%$

Where:

$\Delta V$ - Absolute decrease in the volume of the tumor.

$V_{o}$ - Initial volume of the tumor.

The absolute decrease in the volume of the tumor is:

$\Delta V = V_{o}-V_{f}$

$\Delta V = \frac{4\pi}{3}\cdot (R_{f}^{3}-R_{o}^{3})$

The percentage decrease is finally simplified:

$\%V = \left[1-\left(\frac{R_{f}}{R_{o}}\right)^{3} \right]\times 100\,\%$

Given that $R_{o} = R$ and $R_{f} = 0.77\cdot R$ , the percentage decrease in the volume of tumor is:

$\%V = \left[1-\left(\frac{0.77\cdot R}{R}\right)^{3} \right]\times 100\,\%$

$\%V = 54.34\,\%$

The volume of the tumor experimented a decrease of 54.34 percent.

5 0

3 years ago