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just olya [345]
3 years ago
12

What is 25 - √125

]{125} " alt="25 - \sqrt[3]{125} " align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
6 0

Answer:

13.8196601125

Step-by-step explanation:

i think i just did the math

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Lizabeth says that (-12)^3 equals a positive number because the product if two negative integers is a positive integer. Do you a
Alika [10]

Lizabeth's reasoning is faulty because in this expression, it's not multiplying 2 negative integers, its multiplying 3 negative integers. And while the product of 2 negative integers equals a positive, the positive product multiplied by another negative will equal a negative.

6 0
3 years ago
Consider the ellipse 25xsquared plus 4y squared equals 1 in the​ xy-plane. a. If this ellipse is revolved about the​ x-axis, wha
BaLLatris [955]

Answer:

  • about x: 25x² +4y² + 4z² = 1
  • about y: 25x² +4y² +25z² = 1

Step-by-step explanation:

When the figure is revolved around the x-axis, its extent in the z-direction will match its extent in the y-direction. So, the z-term will have the same coefficient as the y-term. 25x² +4y² +4z² = 1

Similarly, when the figure is revolved around the y-axis, its extent in the z-direction will match its extent in the x-direction. Then the z-term will have the same coefficient as the x-term. 25x² +4y² +25z² = 1

5 0
3 years ago
A weather station on the top of a mountain reports that the temperature is currently 0 ∘ C and has been falling at a constant ra
LuckyWell [14K]

Answer:

After 2 hours: -6°C.

After 5 hours: -15°C.

After \frac{1}{2} hours: -1.5°C

1 hour ago: 3°C.

3 hours ago: 9°C.

4.5 hours ago: 13.5°C.

To find these values, you simply need to multiply the hours elapsed by 3°C. Subtract from 0°C for future temperatures, and ADD to 0°C for the past.

Let's say you are solving for the temperature in 5 hours. All you need to do is:

3°C× 5= 15°C. 0°C-15°C= -15°C

For the temperature 3 hours AGO, what you will need to do instead is:

3°C×3= 9°C. 0°C+ 9°C= 9°C.

8 0
3 years ago
If x = 3 and y = 7 , evaluate the following expression: 20 − ( 3 y − 4 x )
xenn [34]

Answer:

20-3(7)-4(3)

20-21-12

-13

6 0
2 years ago
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Joe has 16 pounds of fertilizer for his three gardens. He uses 8/3 of the fertilizer in his first garden and 1/4 of the fertiliz
Natasha2012 [34]

Answer:

3/8

Step-by-step explanation:

3 0
3 years ago
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