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Lapatulllka [165]
3 years ago
15

What is x/-4 + 7 = 9​

Mathematics
1 answer:
lawyer [7]3 years ago
7 0

Answer:

x = 8

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

x  = 8

Hope it helps!

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14 more than 5 times a number is equal to 20. find the number
GuDViN [60]

Answer:

6/5

Step-by-step explanation:

5x + 14 = 20

Subtract 14 from 20

5x = 6

Divide both sides by 5

x = 6/5

4 0
2 years ago
HELP PLEASE 18 POINTS
ICE Princess25 [194]

Answer:

Step-by-step explanation:

line 1  m=y2-y1 / x2-x1  [formula for slope ]

m= 0 - (-3) / 8-(-4)

m= 3 /12      

m= 1/4  slope of line 1

line2  

m = 2-6 / 0-(-1)

m = -4 / 1

m = -4  slope of line 2

line 3

m = -4 - (-7)  / -3 -  6

m = 3 / -9

m = - 1/3  slope of line 3

lines 1 & 2   perpendicular b/c they are reciprocals with a sign change :)

lines 1 & 3     neither.. differet slopes and not reciprocals

lines 2 & 3  perpendicular  b/c they are reciprocals with a sign change :)

6 0
2 years ago
2+2?<br> I need help this is really hard helpppp
Andrews [41]
The answer is 4 . 2 + 2 = 4 . hope i helped uuuu lol
4 0
3 years ago
Read 2 more answers
Mrs. Reed collects shells. Each shell in her collection weighs about 4 ounces. Her collection weighs about 12 pounds in all. Abo
Mariana [72]

Answer:

There are about 48 shells in Mrs. Reeds collection.

Step-by-step explanation:

There are 16 ounces per 1 pound.

4 ounces per shell.

16 x 12 = 192 ounces

192 ounces divided by 4 = 48

8 0
2 years ago
Suppose that a police officer measured the speed of cars on a highway for an hour. The average speed of the cars was 72 and the
anygoal [31]
I got 4.14 because i multiplied the deviation which is 4.6 by 0.9 and got that answer
8 0
3 years ago
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