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GalinKa [24]
2 years ago
12

Which of the following is not an expression?

Mathematics
2 answers:
GREYUIT [131]2 years ago
7 0

Answer:

3x + 4 = 7

Step-by-step explanation:

Equations contain an equal sign, but expressions only contain numbers and variables.

miskamm [114]2 years ago
4 0

\huge \bf༆ Answer ༄

The Correct choice among them is ~ B

\large \boxed{3x + 4 = 7}

because it's a equation !

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PLEASE HELP!!!!!!!!!!!!
Igoryamba
<h3>Answer:  21x+14  (choice A)</h3>

Explanation:

Use the distribution rule to multiply the outer 7 by each term inside

  • 7 times 3x = 21x
  • 7 times 2 = 14

We go from 7(3x+2) to 21x+14

3 0
2 years ago
Read 2 more answers
Solve the system of equations using the substitution method.
Katena32 [7]
        4x+5y=7
         y=3x+9

1)      4x+5(3x+9)=7                 2)        y=3(-2)+9
                                                             y= -6 +9 
         4x+15x+45=7                               y=3                                                     
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          19x= -38
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x is -2 and y is 3
3 0
3 years ago
NEED HELP ASAP PLEASS AND THANK YOU ​
Ghella [55]

Answer:

Using points ( 2 , - 4) and ( 0 , 2)

Slope = 2+4/0-2 = 6/-2 = - 3

Since the lines are parallel their slope will be the same

So the slope of the line parallel to the one in the picture is - 3

That's option A.

Hope this helps.

7 0
3 years ago
Read 2 more answers
Write the inverse of y=pi/2+ sin x
Nostrana [21]

Answer:

Step-by-step explanation:

f-1(x)=arcsin x- (x/2)

Do the -1 small on top of f in the left hand side

   

6 0
3 years ago
Find the measure of angle b. PLZ HELP AND SHOW WORK
Whitepunk [10]

Answer:

1) A because of vertical angle theorem (VAT), which means that b=37 degrees

2) C because a right angle is= to 90 degrees. Take away 23, you get 67 degrees

3) B because the image shows a full angle, which is equal to 360 degrees. Take away 207 and 58, you get 95 degrees

4) D because a right angle is= to 90 degrees. Take away 44, you get 46 degrees

5) A because a right angle is=to 90 degrees. Take away 58, you get 32 degrees

7 0
3 years ago
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