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Vitek1552 [10]
3 years ago
7

Simplify if possible За2 + ба +2b2

Mathematics
2 answers:
OlgaM077 [116]3 years ago
5 0
Is this the question??
vredina [299]3 years ago
3 0
9a + 2b + 4 bc your adding like terms which is 3a+6a and 2+2 is 4. Since there’s only one 2b it stays the same
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A certain gecko measured 3.5 inches as a hatchling, and then grows at a steady rate of 1.2 inches per month for the first 12 mon
gregori [183]

Answer:

21.1 inches

Step-by-step explanation:

The gecko is 3.5 inches to start with.

If it grows at a rate of 1.2 inches per month for the first 12 months, after 12 months the gecko will be 14.4 inches larger. (Because 12 times 1.2 is 14.4)

So, after 12 months the gecko will be 17.9 inches.

Since the gecko grows at 0.4 inches per month for the next 16 months, and the gecko has grown for 20 months, all we need to do is subtract 12 from 20 (since we already calculated how long it will be after 12 months) and multiply that by 0.4.

Since 20 - 12 is 8, we just multiply 8 by 0.4 to get 3.2. We now add 3.2 to 17.9 to get 21.1 inches.

Hope this helps!

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3 years ago
Two complementary angles are congruent. Which equation gives the measure in degrees, dd, of each angle?
tamaranim1 [39]

Answer:

d+d=90

Step-by-step explanation:

A complementary angle is equal to 90 degrees.  If it is made up of two triangles (d and d) when you add them, they're total will be 90.

8 0
3 years ago
PLEASE HELP ONCE YOU ANSWER I WILL GIVE TWO MORE
oee [108]

Answer:

43

Step-by-step explanation:

All the angles in a triangle add up to 180. Then you find the supplement of 93 so thats 87. Then you add 87 to 50 and subtract that from 180. 43

8 0
3 years ago
Please help me in this question❤!!
makvit [3.9K]
I think it is 42/12=3.5
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7. You earn $7.80 an hour working as a dog sitter. You work 12.5 hours
labwork [276]

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