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Nataly_w [17]
3 years ago
10

Given the function f(x) = 7x^2 − 2x + 5. Calculate the following values:

Mathematics
1 answer:
seropon [69]3 years ago
5 0
F(3)=16 i saw this problem before so it should be the answer in the end
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Which of the following statements is false? -(-5) = 5 |-5| = -5 -|-5| = -5 -|5| = -5
TiliK225 [7]

Your question has been heard loud and clear.

Well -(-5)=5

5/-5/= -5

/-5/5= -5

So basically , the statement is false because   -5(-5) not equal to -5/-5/

Thank you

3 0
3 years ago
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To make his famous chocolate cake, a baker uses chocolate that is 75% cocoa.
Masja [62]

The baker needs to use 100/3 pounds of 90% chocolate to make the cake.

<h3>Equation </h3>

An equation is an expression used to show the relationship between two or more numbers and variables.

Let x represent the amount of 90% chocolate. Using equation:

100 * 70% + x * 90% = (x + 100) * 75%

100 * 0.7 + 0.9 * x = (x + 100) * 0.75

70 + 0.9x = 0.75x + 75

x = 100/3

The baker needs to use 100/3 pounds of 90% chocolate to make the cake.

Find out more on Equation  at: brainly.com/question/22688504

8 0
2 years ago
Tell whether the given value is a solution of the inequality.<br><br> x − 2 ≥ −1.6 ; x = 0.8
Finger [1]

Answer:

No, it' snot a solution

Step-by-step explanation:

x − 2 ≥ −1.6

x - 2 + 2 ≥ -1.6 + 2

x ≥ 0.4

7 0
3 years ago
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