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Evgen [1.6K]
3 years ago
9

Please answer these questions

Mathematics
1 answer:
NikAS [45]3 years ago
4 0

The Answer to the first one is -2 ≤ x ≤ 5

The Answer to the second question is k ≤ 3

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F(x) = x2<br> What is f(x) + f(x) + f(x)?
Yuliya22 [10]

Answer:

if you meant x squared the answer is 3x^2

Step-by-step explanation:

If f(x) is equal to 2x you can substitute x squared for f(x) and that would be x squared+x squared+x squared which is 3x^2

6 0
3 years ago
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Earl runs 90 meters in 60 seconds. How many meters does Earl run per second? Earl runs meters per second.
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1 1/2 meters

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2 years ago
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Find X and Y and show please show calculations
torisob [31]

Answer:

Y = 90

X = 52

Step-by-step explanation:

Y is on a straight line. The sum of the angles on a straight line is 180.

The only other angle (that is marked) on this straight line, is a 90 degree one. So, <y + 90 = 180.

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so, x = 52

6 0
3 years ago
The cost of buying a small piece of land in a remote village since the year 1990 is represented by the following table . Which m
Effectus [21]

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C(t)=30+3.5t

Step-by-step explanation:

Yeah this is the answer

5 0
3 years ago
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Simplify the following expression by combining liker terms: 4x +9 -6x +6
Oxana [17]

Answer:

its very simple you just need to collect like terms...

which is 4x-6x+6+9 which is

-2x+15.

This is my answer I hope it helps you.

6 0
3 years ago
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