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choli [55]
2 years ago
5

15 dollars for a book and 40 percent off

Mathematics
1 answer:
monitta2 years ago
6 0

Answer:

9

Step-by-step explanation:

15-40%=9

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15 liters of water flow
Mariana [72]

Answer:

Step-by-step explanation:

Since 15 liters of water flow through a water pipe and enter a tank within 4.5 minutes, the same amount of water would flow through a similar pipe at the same time. Therefore, if two similar water pipes are used, the volume of water that would flow into the tank in 4.5 minutes is 15 × 2 = 30 liters

Therefore, the time it will take to pump 727.5 liters of water into a water tank using 2 similar water pipes is

(727.5 × 4.5)/30 = 109.125 minutes

5 0
3 years ago
Questions<br> 25/(4+1) .<br> 3+(6-1)
Elanso [62]

Answer:

Step-by-step explanation:

1)  \frac{25}{(4 + 1)}=\frac{25}{5}=5\\\\2) 3 + (6-1) = 3 + 5 = 8

6 0
2 years ago
A 8-kg load stretches an elastic belt 0.02 m. How much will a 12-kg load stretch the belt?
vazorg [7]

Answer:

A 12-kg load stretches an elastic the belt 0.03m

Step-by-step explanation:

we know A 8-kg load stretches an elastic belt 0.02 m.

=> 0.02 / 8 = 0.0025

so A 1-kg load can stretch an elastic belt 0.02 m.

=> 12 * 0.0025 = 0.03 m

A 12-kg load stretches an elastic the belt 0.03m

8 0
3 years ago
I need to know how to form an equation for this question. Thanks!
Reika [66]
I think it would be y=2(4x+200)
2 being it doubled and x would be to insert the twelve in to solve, and you add the 200 bacteria you already have.
8 0
3 years ago
Which of the following steps are applied to ABCD to obtain A'B'C'D
lisov135 [29]

Answer:

A

Step-by-step explanation:

take the black triangle's point A, move that towards the red triangle's point A'. It's 4 units left, 3 up

yw~

4 0
2 years ago
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