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antoniya [11.8K]
2 years ago
10

3. (6a? - 8a +9) + (5a3 – 12a? - 1)

Mathematics
1 answer:
irina1246 [14]2 years ago
3 0

Answer:

Simplify the expression 3: 5 a ^3 − 6 a ? − 8 a + 8

Simplify the expression 4: 10 y ^2 − 11 y − 25

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Complex Numbers
seropon [69]

Answer:

±10

Step-by-step explanation:

sqrt(-4) * sqrt(-25).

We know that the sqrt(a) sqrt(b) = sqrt(ab)

sqrt(-4*-25)

sqrt(100)

±10

4 0
3 years ago
Swimming pool depth: Which is deeper? 1.4m 4ft
vazorg [7]
There are approximately 3.3 feet in a meter.

To find the number of feet, multiply 1.4 and 3.3

1.4 × 3.3 = 4.62

4.62 is greater than 4.
The swimming pool that is 1.4 meters deep is deeper.

Hope this helps!


7 0
3 years ago
Problemas de proporcion calidad inversa
Nata [24]

Answer:

A)the answer is 21

B)the answer is 22 days

C)the answer is 71 hours

3 0
3 years ago
I need help on this problem really I would be grateful
leonid [27]

Answer:

Step-by-step explanation:

The answer is A

4 0
3 years ago
Martin builds a model car from a drawing that uses the scale of 3 cm: 22 cm. What would be the length of the model if the length
gulaghasi [49]
44 cm
Explanation: scale is 3 cm: 22cm if the drawing is two times that which would be 6 it means you would have to times 22cm by 2 22x2=44
7 0
2 years ago
Read 2 more answers
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