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nikklg [1K]
3 years ago
8

7 + 10x - x + (-x) simplify the expression

Mathematics
2 answers:
zysi [14]3 years ago
5 0

Answer:

7 + 8x

Step-by-step explanation:

lara31 [8.8K]3 years ago
3 0
7 + 8x

Since you have 2 negative x’s you’ll subtract those from the 10x and you just bring the 7 down
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Find the first four terms of the sequence given by the following an=57-4(n-1),n=1,2,3
Crazy boy [7]

Answer:

57, 53, 49, 45

Step-by-step explanation:

Substitute for the n for n=1,2,3,4 so the first term is 57-4(1-1) so =57-4(0) so

a(1) = 57-0 = 57  so that is the 1st term

2nd term 57-4(2-1) so =57-4(1) so   a(2) = 57-4 = 53, etc.

4 0
3 years ago
Find the distance between the following pairs of points: C (1,6) .D (13.41).
worty [1.4K]
The person above is correct
8 0
3 years ago
12e^5 divide by 3e^3
Paladinen [302]

The answer would be <em>29.5562243957</em>.

5 0
3 years ago
Christian randomly selects students from his grade to rate a math test as easy, moderate, or difficult. Of the students he surve
Paraphin [41]

Answer:

C.

84

Step-by-step explanation:

This question is solved using proportions.

From the sample:

11 + 3 = 14 out of 13 + 11 + 3 = 27 would rate the test something other than easy.

Out of 162:

Applying the rule of three:

14 - 27

x - 162

Applying cross multiplication:

27x = 14*162

x = \frac{14*162}{27}

x = 84

Thus the correct answer is given by option C.

8 0
3 years ago
A group of friends are playing a trivia game. players spin a spinner 2 times to find the 2 categories of trivia questions they w
Delicious77 [7]

The probability that a player will be asked a math question and then a music question is 0.03125

<h3>How to determine the probability?</h3>

The size of the sections are given as:

Music = 0.5

Sport = 0.5

Others = 1

So, the total size is:

Total = 0.5 + 0.5 + 1 + 1 + 1

Evaluate

Total = 4

The probability of asking a math question is:

P(Math) = 1/4 = 0.25

The probability of asking a music question is:

P(Music) = 0.5/4 = 0.125

The required probability is:

P(Math and Music) = P(Math) * P(Music)

This gives

P(Math and Music) = 0.25 * 0.125

Evaluate

P(Math and Music) = 0.03125

Hence, the probability that a player will be asked a math question and then a music question is 0.03125

Read more about probability at:

brainly.com/question/25870256

#SPJ1

5 0
2 years ago
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