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julsineya [31]
3 years ago
13

Translate into algebraic expression and simplify: ''Ten times the sum of a number and three'' b) nine substracted from twice a n

umber''
Mathematics
1 answer:
hichkok12 [17]3 years ago
4 0

Step-by-step explanation:

a)\\n-\text{the number}\\\\\text{Ten times the sum of a number and three:}\\\\\boxed{10\times(n+3)=10(n+3)}\\\\b)\\n-\text{the number}\\\\\text{Nine substracted from twice a number}:\\\\\boxed{2n-9}

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How to round o.175 thousands
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It has a bunch of zeroes after the five so it is rounded unless you want to go to .18
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One of the tables shows a proportional relationship. Graph the line representing the proportional relationship from this table i
Mkey [24]

Answer:

Table C

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

Find the value of the constant of proportionality in each table

Table A

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-3 ------>k=-3/-1=3  

This table has different values of k

therefore

the table A does not represent a proportional relationship

Table B

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-2 ------>k=-2/-1=2  

For x=1, y=3 ------>k=3/1=3  

This table has different values of k

therefore

the table B does not represent a proportional relationship

Table C

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-2 ------>k=-2/-1=2  

For x=1, y=2 ------>k=2/1=2  

For x=2, y=4 ------>k=4/2=2  

This table has the same value of k

therefore

the table C  represent a proportional relationship

Table D

For x=-2, y=-4 ------>k=-4/-2=2  

For x=-1, y=-2 ------>k=-2/-1=2  

For x=1, y=2 ------>k=2/1=2  

For x=2, y=6 ------>k=6/2=3  

This table has different values of k

therefore

the table D does not represent a proportional relationship

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3 years ago
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Question is in the image​
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Answer:

4.

Step-by-step explanation:

y = -2x + 3

-1 = -2(2) + 3

-1 = -4 + 3

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y = x - 3

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3 years ago
Help please!!! WILL GIVE BRAINLIEST!!!!!!!!!!
telo118 [61]

Answer:

640

Step-by-step explanation:

8^2 = 64

10*64 = 640

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