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Luba_88 [7]
3 years ago
15

Which expression is prime? A) x2 - 9 B) 1 - 9x2 C) 2a2 - 25 D) 4x2 - 9

Mathematics
2 answers:
mel-nik [20]3 years ago
4 0
I think the right anser would be (a)

Luden [163]3 years ago
3 0

Answer:

its c 2a2-25


Step-by-step explanation:


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At sunrise the temperature in Anchorage was -4°F. By 2pm the
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The answer is 19 degrees F.

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3 years ago
Jeremiah plans on building a 5 meter long garden walkway that is paved with square stones that measure " $ meter on each side. T
larisa86 [58]

Complete question :

Jeremiah plans on building a 5 meter long garden walkway that is paved with square stones that measure " 5/6 meter on each side. There will be no spaces between the stones. How many stones will be needed to complete the garden walkway?

Answer:

12

Step-by-step explanation:

Given that:

Length of square block to be used = 5/6 meters

Length of garden. Walkway = 5 m

Since length of walkway is the same on both sides, then the Total length = 5m + 5m = 10 meters

Number of square stones required :

Total length of walkway / side length of stones to be used

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8 0
3 years ago
The length of a side of a regular hexagon is 6.8 cm, correct to one decimal place. Find the smallest possible perimeter of the l
marysya [2.9K]

Answer: 40.8cm

Step-by-step explanation:

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Since the length of a side of a regular hexagon is 6.8 cm, the perimeter will be:

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= 40.8cm

7 0
3 years ago
Can someone just check this to make sure it is correct and please be honest because my grade depends on this
Anarel [89]

Answer:

Your answers are right

5 0
3 years ago
Is 3.14 a terminating decimal?
vlada-n [284]

Answer:

Pi is not a terminating decimal

Step-by-step explanation:

1234567890

8 0
3 years ago
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