3 years ago

X

Mathematics

1 answer:

galina1969 [7]3 years ago

8 0

Answer:

2 angles that meet at an endpoint

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Answer:

B) Observing how probability works with real items

Step-by-step explanation:

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3 years ago

X is less than or equal to-86

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x≤-86

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A group of adults and children decided to go to the movies. Tickets to the movie cost 4 dollars for children and 9 dollars for a

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3 years ago

One of the factors of x³ - 27 is x - 3. What is the other factor?

Oksi-84 [34.3K]

Answer:

We know that, a³ - b³ = (a - b)(a² + ab + b²)

Now,

x³ - 27
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3 years ago

I WILL GIVE BRAINLIEST IF YOUR ANSWER IS CORRECT

telo118 [61]

Answer:

1. 4.5 g

2. 56.25 g

Step-by-step explanation:

3 % substance solution means :

3 g of dry substance is present in 100 g of solution.

By unitary method:

The weight of dry substance in 1 g of solution = $\frac{3}{100}$

The weight of dry substance in 150 g of solution = $\frac{3}{100}\times150=4.5\ g$

Let the weight of solution be w.

8 % solution contains 8 g dry substance in 100 g.

We have to find the weight of the solution(w) which contains 4.5 g of dry substance.

⇒ $\frac{8}{100}\times w=4.5\\w=\frac{450}{8}=56.25\ g.$

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