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Andre45 [30]
3 years ago
14

What is the answer to 7^3 x 7^-5? I need it for an important test that I can’t fail. Please help.

Mathematics
1 answer:
Vilka [71]3 years ago
4 0
The answer fir sure is 1/49
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What is the equation of the line that passes through the point (7,-3)(7,−3) and has an undefined slope?
Gala2k [10]

The two points given are the exact same, there wouldn't be an equation/expression to represent such.

6 0
3 years ago
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Algebraically, find all remaining zeros of f(x) = 8x^3 - 6x^2-36x +27 in simplest form.
viva [34]

Answer:

x=-\frac{3\sqrt{2}}{2},\frac{3}{4},\frac{3\sqrt{2} }{2}

Step-by-step explanation:

Given expression is,

f(x) = 8x³ - 6x² - 36x + 27

For zeros of the function,

f(x) = 0

8x³ - 6x² - 36x + 27 = 0

2x²(4x - 3) - 9(4x - 3) = 0

(2x² - 9)(4x - 3) = 0

(2x² - 9) = 0

x² = \frac{9}{2}

x = \pm\frac{3}{\sqrt{2}}

x = \pm \frac{3\sqrt{2}}{2}

Or (4x - 3) = 0

x = \frac{3}{4}

Therefore, all zeros of the given functions are  x=-\frac{3\sqrt{2}}{2},\frac{3}{4},\frac{3\sqrt{2} }{2}.

7 0
3 years ago
Combine these radicals. √27- √3
Alex73 [517]
Square root 27 is 3squer root 3 so the answer is 2 square root three
8 0
3 years ago
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Hi! I know this is super random but I'm genuinely confused
Ivan

Answer:

Well, usually tapeworms are usually found in the intestines. Male giraffes can have intenstines as long as 230 feet! Also, tapeworms are usually all bunched up, they aren't straight and stretched out in the intestines.

Hope this helped!

7 0
3 years ago
The average height of 8 adults is 1.8 m. What is the sum of their heights? How do I work this out without a calculator?
Katen [24]
Well, the average of a sum of number is found by adding each given number and dividing that number by the amount of given numbers. 
Example: 5+4+3+8=20 
                and 20/4 = 5, the average of the numbers
Multiply 1.8 by 8.0 using this format:

1.8
x8.0
--------


Hope this helped
5 0
3 years ago
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