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Lena [83]
3 years ago
9

There are 172 South American animals in the Springdale Zoo. That is 45 more than half the number of African animals in the zoo.

Write an equation you could use to find n, the number of African animals in the zoo. Tip - Use two step equation.
Mathematics
1 answer:
stiv31 [10]3 years ago
8 0
A = the number of African animals 45 more than half the number of African animals in the zoo. 45 + 1/2a = 172. 45 + (1/2•254) = 172. A = 254
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raketka [301]

Answer:

x=2

Step-by-step explanation:

So we have the equation:

5^x+5^{x+1}=150

First, separate the second term:

5^x+(5\cdot5^x)=150

Let u equal 5ˣ. So:

u+5u=150

Combine like terms:

6u=150

Divide both sides by 6:

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Substitute back u:

5^x=25

Take the base 5 logarithm of both sides:

\log_5(5^x)=\log_5(25)

The left cancels:

x=\log_5(25)

Evaluate the right:

x=2

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And we're done!

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mel-nik [20]

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Can someone help me with this
VladimirAG [237]

Answer:

  A) 24 ft³

Step-by-step explanation:

The area of the right triangle base is ...

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The volume of the triangular prism is the product of the area of its base (6 ft²) and its height (4 ft).

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_____

<em>Comment on the triangle</em>

You know the 3-4-5 triangle is a right triangle, because you have seen those numbers many times in relation to the Pythagorean theorem. If you don't know that, then you can check to see by using the Pythagorean theorem:

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In any event, there are other means for finding the area of the triangle based on the lengths of its sides. You will get the same area result.

Using Heron's formula, s = (a+b+c)/2 = (3+4+5)/2 = 6.

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8 0
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ASHA 777 [7]

Answer:

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