3 years ago

Tools -

Mathematics

1 answer:

kifflom [539]3 years ago

5 0

Answer: yo no Abbas

Step-by-step explanation:

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Sound waves are emitted from a fishing boat. Some of the sound waves are reflected by fish and detected back at the boat.The sho

GuDViN [60]

Answer:

195 m.

Step-by-step explanation:

The time for the sound waves to reach the fish is 0.26/2 = 0.13 seconds.

Distance = speed * time

= 1500 * 0.13

= 195 m.

6 0

3 years ago

Please help. What is the product? 3x^5(2x^2+4x+1)

AleksandrR [38]

Answer:

Third option is the correct answer

Step-by-step explanation:

$3 {x}^{5} \bigg( 2 {x}^{2} + 4x + 1 \bigg) \\ \\ = 3 {x}^{5} \times 2 {x}^{2} + 3 {x}^{5} \times 4x + 3 {x}^{5} \times 1 \\ \\ = 3 \times 2 {x}^{5 + 2} + 3 \times 4 {x}^{5 + 1} + (3 \times 1) {x}^{5} \\ \\ \red{ \bold{= 6{x}^{7} + 12{x}^{6} +3 {x}^{5} }}$

8 0

3 years ago

A survey of 100 people found that 35 people exercise in the morning, 45 people exercise in the afternoon, and 20 people exercise

Mkey [24]

Answer:

Chicken is super yummy you should try it

4 0

3 years ago

19 times 8 in expanded form

andrew-mc [135]

10+9 x 8 = 100+50+2 (152)

3 0

3 years ago

If 5 , 3 = 28 9 , 1 = 810 8 , 7 = 115 6 , 2 = 48 then 7 , 5 = ?

Rom4ik [11]

Answer:

212

Step-by-step explanation:

Rule

Subtract the 2nd number from the first to obtain the first digit(s) of the answer.
Add the 2nd number to the 1st to obtain the last digit(s) of the answer.

5 - 3 = 2

5 + 3 = 8

Therefore: 28

9 - 1 = 8

9 + 1 = 10

Therefore: 810

8 - 7 = 1

8 + 7 = 15

Therefore: 115

6 - 2 = 4

6 + 2 = 8

Therefore: 48

7 - 5 = 2

7 + 5 = 12

Therefore: 212

6 0

2 years ago

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