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3 years ago

2) 3) Х у 시 Lカー -10 O -7 4 5 13

Mathematics

1 answer:

max2010maxim [7]3 years ago

8 0

Answer:

I agree sir

Step-by-step explanation:

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Tell whether the sequence is arithmetic if it is identify the common difference. -7, -3, 1, 5

Oxana [17]

Step-by-step explanation:

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.

d=-7+3=-3-1=1-5=-4

so it is an arithmetic sequence

hope it helps

7 0

3 years ago

A bag contains 20 marbles. These marbles are identical, except they are labeled with the integers 1 through 20. Five marbles are

faust18 [17]

Answer:

a. The probability of getting an specific sequence would be

$(1/20)*(1/19)*(1/18)*(1/17)*(1/16)$

b. The probability of having an specific sequence would be.

$5/20 = 1/4$

Step-by-step explanation:

a. If you draw 5 marbles without replacement, the probability of getting an specific sequence would be

$(1/20)*(1/19)*(1/18)*(1/17)*(1/16)$

b. If you draw 5 marbles all at once without replacement, the probability of having an specific sequence would be.

$5/20 = 1/4$

7 0

4 years ago

Explain why -11 is less than -7 , but |-11| is greater than |-7 | .

babunello [35]

Here's the Reason, -11 is taking away more while -7 is taking away less and heres the next one, |-11| is greater BUT if you take the bars away its less same for |-7|

6 0

3 years ago

What is 1/3 times (20-2)

AlexFokin [52]

Answer:

Step-by-step explanation:

According to PEMDAS, the Parentheses comes first so we have to solve what is in the Parentheses first.

(20 - 2) = 18

$\frac{1}{3}$ (18)

So now we divide 18 by $\frac{1}{3}$ = 6

7 0

3 years ago

Read 2 more answers

5x-102=13 ( can i please be taught how to do it bc there is a lot more questions like this)

ehidna [41]

Answer:

5*-102=13

step1 pulling out like term:1.1

pull out like factors:5x-115=5(x-23)

equation at the end of step 1 : step 2:

equation which are never true: 2.1 solve:5=0.

solve:x-23=0 solving a single variable equation

:2.2 solve :x-23=0 add 23 to both sides of the equation:x=23

5 0

3 years ago