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bija089 [108]
3 years ago
15

(ab² + b²a) - (-2b+a²) = ?​

Mathematics
1 answer:
nlexa [21]3 years ago
7 0

Answer:

Step-by-step explanation:

2AB² + 2B - A³

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City A has an elevation of 3447 feet above sea level while city B has an elevation of 86 feet below sea level. How much higher i
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Add both distances to find the total distance between them: 3447+86=3533 ft.
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2 years ago
Find the amount in an account where $500 is invested at 2.5% compounded continuously for period of 10 years
Alex17521 [72]

Hi

500 *1.025^10 ≈ 640.04

4 0
3 years ago
A pack of red pens can be divided into equal shares among 3, 5, 6 and 9 teachers with no pen left over?
Ugo [173]

Answer:

90 red pens

Step-by-step explanation:

we need to find the least common multiple of the numbers 3 , 5 , 6 , 9

6 = 2 × 3

9 = 3²

then

LCM(3,5,6,9) = 2×5×3² = 2×5×9 = 90

The number 90 can be divided into 3 ,5 ,6 ,9 with no remainder

Therefore the pack must have 90 pens or a multiple of 90

For example 180 , 270 ...

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2 years ago
a large aquarium 18 inches deep holds 30 gallons of water. a small aquarium with the same shape holds 20 gallons of water. how d
Alex17521 [72]
20 so -10 from 30 so the 18 is -10 right hope dis helped

8 0
3 years ago
Suppose A and B are independent events. If P(A)= 0.4 and P(B) = 0.85, what is P(A and B)?
dmitriy555 [2]

The value of the P(A∩B) is equal to 0.04.

We have given that,

P(A)= 0.4 and P(B) = 0.85.

We have to determine the  P(A and B)

<h3>What is the formula for Independent Events?</h3>

For Independent Events,

P(A) × P(B) = P(A∩B)

so we have, P(A∩B) = 0.4×0.1

P(A∩B) = 0.04

P(A') = 1 - 0.4 = 0.6

This information can be represented on a Venn diagram as shown below

P(A'∪B) means the union of everything that is not A with everything that is B

P(A'∪B) = 0.06 + 0.54 + 0.04

P(A'∪B) = 0.64

To learn more about the events visit:

brainly.com/question/25821071

#SPJ1

4 0
2 years ago
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