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Zanzabum
3 years ago
14

- ( - 7x + 8)" alt="( - 9x + 1) - ( - 7x + 8)" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
son4ous [18]3 years ago
7 0

Step-by-step explanation:

=(-9x+1+7x-8)

=(-2x-7)

kenny6666 [7]3 years ago
7 0

Answer:

Step-by-step explanation:

=(-9x+1+7x-8)

=(-2x-7)

Step-by-step explanation:

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3 years ago
What is the mean of the data set? {21, 23, 25, 25, 26, 28, 28, 28, 31, 33} 26.8 27 27.8 28
Lerok [7]
In mathematics, mean average means to take the sum of all the numbers and divide the sum by the number of elements in the set.

Add up the numbers.

<span>21 + 23 + 25 + 25 + 26 + 28 + 28 + 28 + 31 + 33 = 268

Divide by the number of elements in the set. Which is 10.

268 / 10 = 26.8

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8 0
3 years ago
Read 2 more answers
A valid license plate in Xanadu consists of two capital letters followed by three digits. How many valid license plates are poss
tatiyna

The  valid license plates are possible = 676,000 possibilities

<h3>What is permutation and combination?</h3>

In mathematics, there are two alternative methods for dividing up a collection of components into subsets: combination and permutation. The subset's components can be arranged in any sequence when used together. The subset's components are given in a permutation in a certain order.

<h3>According to the given information:</h3>

There is no prohibition on using the same letters or numbers more than once, therefore all 26 letters of the alphabet and all 10 numerals are permissible choices.

There are 26 options if the initial answer is A:

AA, AB, AC,AD,AE ...................................... AW, AX, AY, AZ.

There are 26 options if the initial answer is B:

BA, BB, BC, BD, BE .........................................BW, BX,BY,BZ

So,

The first letter can be one of 26 options, and the second letter can be one of 26 options. There are a variety of 2 letter combinations, including:

26 x 26 = 676

For the three digits, the same holds true.

The first, second, and third options each have ten options available:

10  × 10 × 10 = 1000

Thus, there are several options for a license plate with two letters and three digits:

26 x 26 x 10  × 10 × 10 =  676,000 possibilities.

The  valid license plates are possible = 676,000 possibilities.

To know more about permutation and combination visit:

brainly.com/question/13387529

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8 0
1 year ago
Natalie had 64 beads. She used 24 beads to make a bracelet. She used 7/8 of the remaining beads to make a necklace. How many bea
Eddi Din [679]

Answer:

Natalie have left with 5 beads.

Step-by-step explanation:

Given:

Natalie had 64 beads. She used 24 beads to make a bracelet. She used 7/8 of the remaining beads to make a necklace.

Now, to find the beads does Natalie have left.

<em>Total beads Natalie had = 64 beads.</em>

<em>And beads she used to make a bracelet = 24 beads</em>.

So, the remaining beads are = 64-24=40\ beads.

Now,<em> the beads she used to make a necklace</em> = 40 of \frac{7}{8}

                                                                             = 40\times \frac{7}{8}

                                                                             = \frac{280}{8}

                                                                             = 35\ beads  

Hence, the beads Natalie have left = remaining beads - beads used to make necklace.

The\ beads\ Natalie\ have\ left\ =\ 40-35

The\ beads\ Natalie\ have\ left\ =\ 5\ beads.

Therefore, Natalie have left with 5 beads.

8 0
3 years ago
At a border inspection station, vehicles arrive at the rate of 10 per hour in a Poisson distribution. For simplicity in this pro
7nadin3 [17]

Answer:

no❤️Step-by-step explanation:

8 0
3 years ago
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