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LekaFEV [45]
3 years ago
8

Please help PLEASE I really need help with this question

Mathematics
1 answer:
Semenov [28]3 years ago
4 0

Answer:

f(-4) = 9

Step-by-step explanation:

To find which expression to use, see which one x = -4 fits in. That is <em>x² - 5</em>, since -4 < 3.

Then, plug in the number: (-4)² - 5

Square: 16 - 5

Subtract: 9

f(-4) = 9

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A camper attaches a rope from the top of her tent, 4 feet above the ground, to give it more support. If the rope is 8 feet long,
irina [24]
Using the Pythagorean theorem  4 would be the height and 8 would be the hypotenuse, you need to find the base

4^2 + X^2 = 8^2

16 x x^2 = 64

x^2 = 64-16
x^2 = 48

x = sqrt(48) = 6.92 feet ( round answer as needed )
6 0
3 years ago
A repeating pattern of figures that completely covers a plane, without gaps or overlaps, is called a _____ conjecture. transform
KonstantinChe [14]

Answer:A repeating pattern of figures that completely covers a plane, without gaps or overlaps, is called a<u> tessellation</u>.

Step-by-step explanation:

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Therefore, A repeating pattern of figures that completely covers a plane, without gaps or overlaps, is called a<u> tessellation</u>.

3 0
2 years ago
Zoey solved the calculation 5 + 3.89 using a decimal number line. The decimal number line shows how Zoey calculated the answer.
IceJOKER [234]
Start at the point 0
Then move 5 points right because 5 is positive
The another 3.89 points right because your adding a positive number
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Hope this helps :D
4 0
3 years ago
PLZ HELP ITS DUE TODAY!!!!
coldgirl [10]

Answer:

2.69827 × 10⁹

Step-by-step explanation:

any questions?

7 0
2 years ago
What is 45% of 649926391​
MArishka [77]

Answer:

292,466,875.95

Step-by-step explanation:

6 0
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