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3 years ago

Help please i’ll give extra points & brainlist:)!

Mathematics

1 answer:

vodomira [7]3 years ago

6 0

A south pole of one magnet can approach the north pole of another. The magnetic fields are aligned. This makes an attractive force between the two magnets. The farther apart they are, the higher their potential energy.

hope this helped :)

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(b) Factorise fully 2 a²b + 6ab2

den301095 [7]

Answer:

Step-by-step explanation:

$2 {a}^{2} b + 6a {b}^{2}$

Factor out common term : 2ab

$2 {a}^{2}b \div 2a = a \\ 6a {b}^{2} \div 2ab = 3b \\ 2ab(a + 3b)$

6 0

2 years ago

Read 2 more answers

Helpp ill mark u as brain list

sleet_krkn [62]

The answer would be 6.4

3 0

3 years ago

A streaming service charge $10 plus $1.25 per movie downloaded. You have

ch4aika [34]

Answer:

Step-by-step explanation:

30-10=20

20 divided by 1.25 = 16

8 0

2 years ago

If a seed is planted, it has a 80% chance of growing into a healthy plant.

AlladinOne [14]

Answer:

0.336

Step-by-step explanation:

Use binomial probability:

P = nCr p^r q^(n-r)

where n is the number of trials,

r is the number of successes,

p is the probability of success,

and q is the probability of failure (1-p).

Here, n = 8, r = 7, p = 0.8, and q = 0.2.

P = ₈C₇ (0.8)⁷ (0.2)⁸⁻⁷

P = 0.336

3 0

3 years ago

A small explanation would be really appreciated

shutvik [7]

Step-by-step explanation:

the 2 angles marked with orange and green are equal becos the question said that the indicated angles are congruent meaning same deg. so 180 - that given angle = the 2 marked angles (based on the rule known as angles on a str line are supplementary)

since the 2 marked angles are same, you can say that d and k are parallel due to the rule of alternate angles

Topic: angle properties

If you like to venture further, feel free to check out my insta (learntionary). It would be best if you could give it a follow. I'll be constantly posting math tips and notes! Thanks!

7 0

3 years ago