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3 years ago

12 more than twice Jenny's score

Mathematics

1 answer:

Vitek1552 [10]3 years ago

5 0

Answer:

12 + 2j

Step-by-step explanation:

Step 1: Convert words into an expression

12 more than twice Jenny's score

12 + 2j

Answer: 12 + 2j

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chegg tell whether each sequence is arithmetic. if the sequence os arithmetic, identify the common difference and find the indic

spin [16.1K]

No, the given sequence is not an arithmetic sequence.

What is Arithmetic Sequence ?

An arithmetic sequence is a list of numbers with a definite pattern. If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.

In the above question,

The sequence is 3,5/2,3/2,-3/2,...

Take the 2nd term and minus the 1st term.

Now take the 3rd term and minus the 2nd term.

We can clearly notice that the differences are not same. Hence there is no common difference and therefore it's not an arithmetic sequence

To read about arithmetic sequence click here :

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2 years ago

Quick!! using y= 5x + 12 find the slope of a parallel line

icang [17]

Answer:

y=5x-10

Step-by-step explanation:

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3 years ago

Read 2 more answers

Workers have been down the street installing two blinking red lights in front of the fire station. The two lights are always tur

daser333 [38]

Answer:

After 88 seconds, they will blink together.

Step-by-step explanation:

Time after which the first light blinks = 8 seconds

Time after which the second light blinks = 22 seconds

Initially, both the lights blink together.

To find:

The time at which they will blink together again.

Solution:

Let us have a look at the time after which each light will blink.

First light will blink after:

8 s, 16 s, 24 s, 32 s, 40 s, 48 s, 56 s, 64 s, 72 s, 80 s, 88 s, 96 s, 104 s, ......

Second light will blink after:

22 s, 44 s, 66 s, 88 s, 110 s, .....

It can be seen that common time is 88 second, at which the both will blink together.

So, the answer is 88 s.

This answer can also be computed by taking the LCM (Least Common Multiple) of both the numbers i.e. 8 and 22.

Using the factorization method:

$8=\underline{2}\times 2\times 2$

$22=\underline{2}\times 11$

Common is 2.

Therefore the LCM will be:

$2\times 2\times2\times 11 = \bold{88}$

So, the answer is 88 s.

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3 years ago

Which expression is equivalent to-3(m+5)

krek1111 [17]

Answer:

The expression equivalent to -3( m + 5) is

c) - 3m - 15

Step-by-step explanation:

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3 years ago

Suppose the sample space for a continuous random variable is 0 to 80. If the area under the density curve for the variable from

nikklg [1K]

Hello,

Area under the curve is 1.

So p(x>5)=1-p(x<5)=1-0.0625=0.9375

Answer A

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3 years ago