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Vlad1618 [11]
2 years ago
6

9a+8+1b−3a+2b−9 Pls solve this for me i been at it for hours

Mathematics
2 answers:
Stolb23 [73]2 years ago
6 0

Answer:

Step-by-step explanation:

-18

Lady bird [3.3K]2 years ago
3 0

Answer:

6a−1+3b

explanations:

1) simply 1 x b to b

9a+8+b−3a+2b−9

2)collect like terms

(9a−3a)+(8−9)+(b+2b)

then simplify: 6a−1+3b

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Faucet A flows at a rate of 100 liters per 5 minutes and Faucet B flows at a rate of 100 liters per 4 minutes into an empty pool
Dmitriy789 [7]

Answer:

It will take both faucets 200 minutes to fill a pool with 9,000 liters of water

Step-by-step explanation:

Here, we want to know the time it will take for both faucets to fill a pool with 9,000 liters of water

What we need here is to have a joint rate for both faucets;

For the first faucet, we have a rate of 100 liters per 5 minutes so this means in a minute;

100/5 = 20 liters per minute

For the second faucet, the per minute rate will be 100/4 = 25 liters per minute

So therefore, the joint rate will be;

25 liters per minute + 20 liters per minute = 45 liters per minute

So the time needed to fill 9,000 liters of water in a pool will be ;

9000 liters/ 45 liters per minute = 200 minutes

8 0
3 years ago
A survey was conducted from a random sample of 8225 Americans, and one variable that was recorded for each participant was their
solniwko [45]

Answer:

d. skewed right

Step-by-step explanation:

The shape of the given distribution is rightly skewed. For a symmetric distribution mean and median are equal and if mean is greater than median then the distribution is rightly skewed and if mean is less than median then the distribution is skewed left.

In the given distribution mean is greater than median and so the given distribution is skewed right.

8 0
3 years ago
IM having a bad day help pleaseeeee
Lisa [10]

Answer:

"i forgot"

Step-by-step explanation:

6 0
3 years ago
Write an inequality with a solution of x < -7 that you solve in 2 or more steps.
Ainat [17]
Example: 2x + 6 < -8

There's 2 steps to solve this one.
2x + 6 < -8
Subtract 6 from both sides
2x < -14
Divide both sides by 2
x< -7
4 0
3 years ago
Helppp !!!
Dmitry_Shevchenko [17]

Answer: 2 3/4

Step-by-step explanation: 1/4 + 3/4 is 1 whole plus 1/4+1/4 would equal the 1/2 you need.

So we are up to 3/4 already. 1 3/4 + 3/4 = 2 1/2

We need to add 2 more to get to 4 1/2

So the answer would be 2 3/4

2 3/4 + 1 3/4 = 4 1/2

4 0
2 years ago
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