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bogdanovich [222]
3 years ago
9

If f(x)= 2x2+1 what is f(x) when x=3?

Mathematics
1 answer:
omeli [17]3 years ago
5 0
The correct answer is 13
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I need help with this question ASAP some plz help me
madam [21]

cube root on both sides then subtract 7

answer would be (cube rooted)A-7=Z if that makes sense

4 0
3 years ago
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Which absolute value expression represents the distance between 1.7 and -1/2
aleksley [76]

Answer: None of the above

Step-by-step explanation: Because none of them will equal the solution which is 0.5,

1.7 + (-1.2) = 0.5

3 0
3 years ago
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What is the approximate radius of a sphere of volume 528 m³? round the answer to hundreth
makvit [3.9K]

\\ \sf\longmapsto V=\dfrac{4}{3}πr^3

\\ \sf\longmapsto 528=\dfrac{4}{3}πr^3

\\ \sf\longmapsto \pi r^3=528\times \dfrac{3}{4}

\\ \sf\longmapsto πr^3=32(3)

\\ \sf\longmapsto \pi r^3=96

\\ \sf\longmapsto 3.14r^3=96

\\ \sf\longmapsto r^3=\dfrac{96}{3.14}

\\ \sf\longmapsto r^3=30.57

\\ \sf\longmapsto r=3.09m=3.1m

5 0
2 years ago
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Their are two boxes at the bottom that I couldn’t fit in, but the answer would go in those two boxes.
valkas [14]

Answer:

3x+8=68 degrees

6x-8= 112 degrees

Step-by-step explanation:

3x+8+6x-8=180

9x=180

x=20

3*20+8=68

6*20-8=112

8 0
3 years ago
Describe the process of rounding a number to the nearest thousand
I am Lyosha [343]
Say you have the number:

3,347

You can round it to the nearest thousand by figuring out whether 347 turns out to be closer to 0 or 1,000. If it's closer to 0, you round to the nearest thousand by producing the result 3,000. Since 347 is closer to 0, it would be incorrect to round the number 3,347 to the nearest thousand by producing the result 4,000.

In this case you round to the nearest thousand by producing the result 3,000.
4 0
3 years ago
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