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Stella [2.4K]
4 years ago
12

Please help me with these questions

Mathematics
1 answer:
Gnoma [55]4 years ago
7 0

1. -(6)^-1 = -1/6

2. -4.7^0 = 1

3. -1/p^-6 = -p^6

4. 4^6 × 4³ = 4^9

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I'LL GIVE BRAINLIEST
stira [4]
$10,440.13
Hope this helps ! :)
3 0
3 years ago
The ball bearing have volumes of 1.6cm cube and 5.4cm cube . Find the ratio of their surface area.
Korvikt [17]

Answer:

  4/9

Step-by-step explanation:

The scale factor for the linear dimensions of the ball bearings will be the cube root of the volume scale factor:

  k = ∛(1.6/5.4) = 2/3

Then the scale factor for the areas will be the square of this scale factor:

  ratio of surface area = (2/3)² = 4/9

_____

The area is the product of two linear dimensions, so its scale factor is the product of the linear dimension scale factors. That is, the scale factor for area is the square of the linear dimension scale factor.

Similarly, volume is the product of three linear dimensions, so its scale factor is the cube of the linear dimension scale factor.

8 0
3 years ago
Find the LCM (least common multiple) of 13 and 52.<br><br> LCM =
photoshop1234 [79]

52,  because 52 is a multiple of 13 (13*4 = 52)

4 0
4 years ago
Read 2 more answers
How many hours of sleep did you get last night? What fraction of the day is that? What is the decimal equivalent (use your calcu
zzz [600]

Step-by-step explanation:

I got about 9 hours of sleep last night that is 9/24 of the day or 37.5% of the day of 0.375 of the day sleeping

thanks for asking

6 0
3 years ago
You’re piloting an airplane to prepare for landing you change the planes altitude from a meters to c meters.
soldier1979 [14.2K]

Answer:

|a-c| meters

Step-by-step explanation:

If I am piloting an airplane to prepare for landing, I change the plane's altitude from a meters to c meters, then the expression that represents the distance between two altitudes is given by |a-c| meters, not by |a+c|.

For, example if the altitude of the plane changes from 1000 meters to 500 meters for preparing for landing then the distance between those two altitudes is |1000 - 500| = 500 meters. (Answer)

But using the expression |a+c|, I will get the wrong answer as |1000 + 500| = 1500 meters.

8 0
4 years ago
Read 2 more answers
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