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mestny [16]
2 years ago
6

The next number in the sequence -5, -2, 4, 13 is 25. Is this conjecture true or false?

Mathematics
1 answer:
steposvetlana [31]2 years ago
7 0

Answer:

False

Step-by-step explanation:

The sequence seems to be increasing by 3+3(-5+3=-2, -2+3+3=4, so on). By 13, the sequence is increasing by 11, making the next number 24.

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A number subtracted from 11 is the quotient of -20 and -2. Find the number.
Troyanec [42]

Answer:

1

Step-by-step explanation:

-20 divided by -2 is the same as 20 divided by 2, which is 10. 11-10=1 so the answer is 1.

8 0
3 years ago
Sarah hiked a path that took her from 34 feet below sea level to 52 feet above sea level . What was the change in her elevation?
Ugo [173]

Answer:

86 ft

Step-by-step explanation:

<em>First method: Logical thinking</em>

Think of the position 34 ft below sea level as -34.

The position above sea level is 52.

You need to find the distance between -34 and 52.

You go from 34 ft below sea level, -34 to 0. That is 34 ft.

Then you go from sea level, 0 ft, to 52 ft above sea level. That is 52 ft.

The total is 34 ft + 52 ft = 86 ft

Answer: 86 ft

<em>Second method: Calculate a distance in math</em>

The distance between two points on a number line is the absolute value of the difference of their coordinates. The coordinates are -34 and 52. Subtract the numbers in either order, and take the absolute value of the difference.

|-34 - 52| = |-86| = 86

If you did it in the other order, you'd get the same answer.

|52 - (-34)| = |52 + 34| = |86| = 86

Answer: 86 ft

4 0
2 years ago
What is the surface area of a cube with a side length of 8 mm
Tcecarenko [31]
S=6a²
a=8mm
S = 6 * 8² = 6 * 64 = 384 mm²
7 0
3 years ago
Read 2 more answers
For the right triangle with side of lengths 5 12 and 13, find the length of the radius of the inscribed circle
I am Lyosha [343]
Hi,
r*(5+12+13)=5*12\\\\&#10;&#10;r= \dfrac{60}{30} \\&#10;&#10;\boxed{r=2}
3 0
3 years ago
What is π is it a rational or irrational​
zalisa [80]

Answer:

π ≈ 3.14

Irrational

Step-by-step explanation:

π is a never ending decimal. Therefore, it is an irrational number.

4 0
3 years ago
Read 2 more answers
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