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Sergeu [11.5K]
3 years ago
15

Which expressions are equivalent to 9+h+ (j+k)? Check all that apply.

Mathematics
1 answer:
GaryK [48]3 years ago
5 0

Answer:3

the 3rd one

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Write an expression equivalent to the expression -1/2(-3/2x+6x+1)-3x
stiv31 [10]

Answer:

-21/4x-1/2

Step-by-step explanation:

-1/2(-3/2x+6x+1)-3x

3/4x-3x-1/2-3x

3/4x-3x-3x-1/2

3/4x-6x-1/2

3/4x-24/4x-1/2

-21/4x-1/2

4 0
3 years ago
Simplify the expression c+5+10
Darina [25.2K]

Answer:

c+15

Step-by-step explanation:

add the numbers c+15

c+15 is your answer.

5 0
3 years ago
A line is parallel to y= 4x-2 and intersects the point (5,-11). what is the equation of this parallel line?
mina [271]

The equation of line parallel to given line is: y=4x-31

Step-by-step explanation:

Given equation of line is:

The equation of line is in slope-intercept form so the co-efficient of x is the slope of the line.

Let m1 be the slope of the given line

then

m1 = 4

Let m2 be the line that is parallel to given line

As we know that the slopes of parallel lines is equal so

m1=m2 = 4

The slope-intercept form of equation of line is:

Putting the value of slope

to find the value of b, putting (5,-11) in the equation

Putting the value of b

Hence,

The equation of line parallel to given line is: y=4x-31

Keywords: Equation of line, slope

5 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE, THANKS! :)
maxonik [38]

Answer:

Assume that Sk is valid for n=k and prove that Sn is valid for n= k+ 1

Step-by-step explanation:

This is Principle of Mathematical Induction ---PMI

Step 1: Verify that Sn is valid for n =1

Step 2:Assume that Sk is valid for n=k and prove that Sn is valid for n= k+ 1

6 0
3 years ago
An inequality is a mathematical statement that ________________the relative values of two expressions.
Natali [406]

Answer:

An inequality is a mathematical statement that EXPLAINS the relative values of two expressions.

8 0
3 years ago
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