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kifflom [539]
3 years ago
6

Please explain how to simplify it.

Mathematics
2 answers:
denpristay [2]3 years ago
8 0
Which question do u want me to answer?
Korolek [52]3 years ago
5 0

Answer:

See answers below :)

Step-by-step explanation:

2a + 4(7 + 5a) =

14a + 10a² + 28 + 20a =

34a + 10a² + 28

4(3x + 2) - 5(7x + 5) =

12x + 8 - 35x - 25 =

-23x - 17

x(x + 5) =

x² + 5x

(2x + x)(x + 6) =

2x² + 12x + x² + 6x =

3x² + 18x

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Quick!!!!!!!!!!!!!!!
Degger [83]

Answer: discrete.

Step-by-step explanation:

Discrete variable

It is a variable whose value is evaluated by counting.

Example: Number of books published in a month.

Continuous variable

It is a variable whose value is evaluated by measuring ( not countable).

Example: Distance: 1.52 m

Since the number of dental visits a randomly chosen person had for the past 5 years is a countable.

here, Variable: Let X =number of dental visits a randomly chosen person had for the past 5 years

So, the random variable described is discrete.

7 0
3 years ago
Can someone pls answer:(
Yuliya22 [10]

Answer:

1. m=2x b=1     2. m=5/8x b= -1     3. m=7/8x b= -3/4      4. m=3/4x b=4

Step-by-step explanation:

7 0
3 years ago
Tomas rides his bike at a steady rate of 4 miles every 6 minutes. Find the unit rate of this proportional relationship
ddd [48]

4 miles every 6 minutes
So proportional relationship is 4:6
Simplified its 2:4
6 0
3 years ago
"why does the value of a converging alternating series with terms that are nonincreasing in magnitude lie between any two consec
Sergio039 [100]

The objective is to state why the value of converging alternating seies with terms that are non increasing in magnitude lie between any two consecutive terms of partial sums.

Let alternating series

<span>Sn = partial sum of the series up to  n terms</span>

{S2k} = sequence of partial sum of even terms

{S2k+1} = sequence of partial sum of odd terms

 

As the magnitude of the terms in the alternating series are non-increasing in magnitude, sequence {S2k} is bounded above by S1 and sequence {S2k+1} is bounded by S2. So, l lies between S1 and S2.

In the similar war, if first two terms of the series are deleted, then l lies in between S3 and S4 and so on.

Hence, the value of converging alternating series with terms that are non-increasing in magnitude lies between any two consecutive terms of partial sums. So, the remainder Rn = S – Sn alternating sign

<span> </span>

4 0
4 years ago
What is the value of x? 4x=5x–12
NISA [10]
4x = 5x -12
4x - 5x = 5x - 5x - 12
-x = -12
x = 12
3 0
3 years ago
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