Could you guys simplify this for me please.. i’m not that good at math so I might as a few more

Mathematics

2 answers:

asambeis [7]2 years ago

8 0

It’s b

when you’re multiplying with an exponent, you’re multiplying that number however many times the exponent says, against itself. For example, seven to the third, is 7×7×7. So if you add seven to the third power plus the seven to the fourth power. You should get seven to the seventh power.

Nataly [62]2 years ago

6 0

Answer:

Step-by-step explanation:

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In order for the parallelogram to be a rhombus x = ?

Zina [86]

Answer: x= 207.8873386

Step-by-step explanation:

expecting both 2x-15 and 3x are angles in radiant, let's draw a rhombus ABCD

∠ABC = 2x-15

∠ BCD = 3x

∠ABC + < BCD= π ( 180° in radiant)

2x - 15 + 3x = π

5x - 15 = π

x - 3 = 1/5π

= 3.628318531 = 207.8873386

2x−15°+3x=180

5x-15°=180

5x=195°

x=39°

7 0

2 years ago

The power generation plant of a ship is outfitted with two identical diesel-generator sets. One single set running stand-alone c

dem82 [27]

Answer:

probability of an electric power outage shipboard is 0.075 or 7.5 %

Step-by-step explanation:

Given the data in the question;

Probability of engine malfunction = 25% = 0.25

Probability of generator malfunction = 10% = 0.1

Probability of generator being repaired = 50% = 0.5

probability of an electric power outage shipboard = ?

To get the probability of an electric power outage shipboard, we use the expression;

probability of an electric power outage = 2 $_c_1$ × p( Probability of generator malfunction ) × p( Probability of generator being repaired ) × ( 1 - p( Probability of engine malfunction ) )