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Luden [163]
3 years ago
15

Use the function rule f(x)=x^2 Find f(2.5)__

Mathematics
2 answers:
AysviL [449]3 years ago
7 0

Answer:

6.25

Step-by-step explanation:

f(x)=x^2

f(2.5) = (2.5)^2

        =6.25

slega [8]3 years ago
6 0

Answer: 6.25

Step-by-step explanation: Notice that <em>f</em> is a function of <em>x</em>.

So we want to find f(2.5).

We find f(2.5) by plugging 2.5 in for <em>x</em>

everywhere that <em>x</em> appears in the function.

So we have f(2.5) = (2.5)².

(2.5)² is 6.25.

So our answer is 6.25.

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kiruha [24]
Not really, If you use the Pythagorean theorem on all problems related to distance.. You won't always be able to solve it. It depends on the numbers.

So, false.
5 0
3 years ago
A store sells the basic model of a phone for $60 and the upgraded model for $200. It costs the store $10 to buy each basic model
ivolga24 [154]

Answer:

6

Step-by-step explanation:

(6*200)+(10*60)=1800

(6*50)+(10*10)=400

5 0
2 years ago
The difference of two numbers is 7 7. two times the smaller is 6 6 more than the larger. find the two numbers.
Alina [70]
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4 0
3 years ago
What is the value of the expression 4⁴?​
Ghella [55]

Answer:

256 is the answer

Step-by-step explanation:

4×4×4×4=256.

3 0
3 years ago
X = 16 - 4y<br> 3x + 4y =8 <br> substitution method
8_murik_8 [283]

Answer:

i think x = -4, y = 5

Step-by-step explanation:

x = 16 - 4y

3x + 4y = 8

3(16 - 4y)+4y = 8

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48-8y = 8

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so

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5 0
2 years ago
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