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Eduardwww [97]
2 years ago
11

Evaluate F(x)=2x^2+5x-16 for x=4

Mathematics
1 answer:
Ratling [72]2 years ago
5 0

Answer:

36

Step-by-step explanation:

F(x)=2x^2+5x-16 for x=4

2(4)^2+5(4)-16  \\ 2 \times 16 + 20 - 16 \\ 32 + 4 = 36

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4 0
3 years ago
3x = 21, then x = ? please help i dont really understand and te answer choices are 7, 18, 6
Anna [14]

Answer:7

Step-by-step explanation:

Because 3x7=21.

6 0
3 years ago
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lozanna [386]

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5 0
3 years ago
What's three equivalent ratios for 6/9
vaieri [72.5K]

Answer:

Three equivalents ratios for 6/9 could be 2/3, 12/18 and 18/27

Step-by-step explanation:

An equivalent ratio refers to the same number but written differently. For example, for the ratio 6/9, we could obtain the following equivalent ratios.

First equivalent ratio

You can divide the numerator and denominator by 3. You get 2/3

\frac{6\div 3}{9\div 3}=\frac{2}{3}

Second equivalent ratio

You can multiply the numerator and denominator by 2. You get 12/18

\frac{6\times 2}{9\times 2}=\frac{12}{18}

Third equivalent ratio

You can multiply the numerator and denominator by 3. You get 18/27

\frac{6\times 3}{9\times 3}=\frac{18}{27}

Thus, three equivalents ratios for 6/9 could be 2/3, 12/18 and 18/27

4 0
3 years ago
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xeze [42]
I’m pretty sure it’s A
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