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3 years ago

Simplify the expression. 6x + 1/2(6x+8) 9x + 4 9 + 4x 12x + 8 9x + 8

Mathematics

1 answer:

Helga [31]3 years ago

3 0

Answer:

its b

Step-by-step explanation:

i did the test already

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In a right triangle ABC, C is the right angle. What does cosB equal?

Montano1993 [528]

Given that,

ABC is a right angle triangle, C is the right angle.

To find,

cosB = ?

Solution,

The sum of angle of a triangle is equal to 180 degrees. So,

∠A + ∠B + ∠C = 180°

Put ∠C = 90°

∠A + ∠B + 90° = 180°

∠A + ∠B = 90°

Taking cos with each term.

cosA+cosB = cos (90)

cosA+cosB = 0

cosB=-sinA

Hence, cosB = sinA.

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3 years ago

An ice chest contains 3 types of drinks: 10 apple juries 15 grape juices and 15 bottles of water what is the probability of gett

Anna [14]

Answer: $\dfrac{3}{8}$

Step-by-step explanation:

Given: An ice chest contains 3 types of drinks: 10 apple juries 15 grape juices and 15 bottles of water.

Total drinks= 10+15+15 = 40 (Total outcomes)

Number of drink that does not contain fruit juice = Number of bottles of water = 15 (Favorable outcomes)

The probability of getting a drink that does not contain fruit juice = $\dfrac{Favorable\ outxcomes}{Total\ outcomes}$

$=\dfrac{15}{40}\\\\=\dfrac{3}{8}$

So, the required probability = $\dfrac{3}{8}$ .

7 0

3 years ago

Vanyuwa [196]

Step-by-step explanation:

4(2x-1)+3(2x+5)

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8x+6x-4+15

14x+11

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3 years ago

Read 2 more answers

I need help. I'm failing math

Alexxandr [17]

Answer:

B i believe

Step-by-step explanation:

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3 years ago

Is there anyone that can help me with this problem ???

zepelin [54]

Answer: if u a math person shouldn't u know how to do it?

Step-by-step explanation:

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4 years ago