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Nastasia [14]
3 years ago
12

Can someone answer this

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
5 0

Answer:

  the appropriate choice is the last one

Step-by-step explanation:

7^{\frac{4}{5}}=(7^4)^{\frac{1}{5}}=\sqrt[5]{7^4}

This is equivalent to b^(pq) with b=7, p=4, q=1/5. Here, q is a rational number, as suggested by the last answer choice.

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Point P is the incenter of triangle ABC, PZ = 7 units, and PA = 12 units.
OLga [1]
The image of the triangle and the corresponding lines is needed in order to answer this question properly. That image is attached.

We are told that point P is the incenter of the triangle, and is the center point of the incircle of the triangle. The incircle is the largest circle that can be made in a triangle and is tangent to each side of the triangle. The radius of the circle is going to be a perpendicular line from point P to any side of the triangle. In the triangle shown, PZ = PY = PX, and each value is equal to the radius of the circle.

Therefore, no further calculations are required for this problem since we already know that PZ = 7 units making the radius, r = 7 units.

6 0
3 years ago
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cestrela7 [59]

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You can solve this problem by using the Gauss method. The Gauss method is a method where you can add the first and last numbers together, and then multiply by how many times that appears. Here, the sum of the first and last number is -11. In this sequence, it would appear ten times (since there are ten terms and the terms are used twice in every eleven). -11 * 5 is -55, so that means the answer to this question is -55. 
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Step-by-step explanation:

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